bluuebunny/crossref_metadata_2025 huggingface dataset:
57 2- (3)-Cylinder Concepts for High Output Motorcycles and Commuter
Authors: Laimboeck Franz J. , Spanner Christian , Mair Andreas
Published: June 2024

Four new 2-cylinder 4-stroke concepts are displayed as design and fitted in vehicles.

These four different concepts comprise

a Modular Concept V2- and W3-cylinder

a MotoGP / Superbike concept with 2 and 3 cylinders,

a narrow angle V-engine and

a Building Block System Commuter CVT engine.

Each engine concept is designed to meet the different requirements of the four segments. Specific analysis and simulation concerning 1D thermodynamics, vehicle simulation and delivered performance and tractive force was done for each concept.

The concepts are compared in the aspects of uniform rotation, inertia forces and moments, and the effect on performance by the pulse effects of the manifolded intake and exhaust systems.

The Modular Concept contains an OHC engine with a wide range of displacements and commonality of many parts. Good versatility is obtained as the concepts can be applied for sport- or custom bikes. Also an advanced EMS with additional features is applied and a heated 3-way catalyst and air/fuel sensors are integrated to fulfill the most stringent emission regulations after the year 2006.

The MotoGP / Superbike Concept has an advanced transmission position, which allows to design a very compact motorcycle size comparable to much smaller displacement bikes. The application of a pneumatic valve train allows for aggressive valve timing and high engine output. The concept is compared to engines with higher number of cylinders in terms of race competitiveness.

The narrow-angle V-engine is a sportive and compact engine with newly developed mass balancing.

The Commuter is a medium output design with a continuously variable transmission, featuring an extremely space-saving design
67 Analysis of Mixture Conditions in a Small Two Stroke Engine Using a Gas Sampling Valve
Authors: Gegg Tim , Jäger Andreas , Tribulowski Jan , Mugele Matthias , Spicher Ulrich , Rosskamp Heiko
Published: June 2024

The quality of mixture formation and the combustion process is of significant importance for reducing the hydrocarbon emissions of small two stroke engines. The scope of this work was to investigate the mixture conditions after the exhaust closes and after the end of combustion depending on various engine operating points. For this experimental investigation a Gas Sampling Valve (GSV) was combined with a flame ionisation detector (FID) and a CO2-analyser. Using this technique, it was possible to measure the hydrocarbon concentration after end of combustion. Furthermore the local residual gas concentration after exhaust closes was determined.

To allow for a comparison of the experimental results with calculations with CFD codes, in cylinder pressure measurement and exhaust gas measurements are done additionally.
70 Prediction of the Dynamic Characteristics in Valve Train Design of a Diesel Engine
Authors: IRITANI Takashi , SHOZAKI Akira , SHENG Bencheng , SUGIMOTO Masahiko , OKAZAKI Tadao , AKETA Masahiro
Published: June 2024

In designing new valve train system, it is useful to predict the complicated dynamic characteristics correctly by CAE simulation at the initial stage. In this paper, a modeling technique of mechanical system simulation and the simulation results about the dynamic characteristics of the diesel engine valve train are shown. From the measured results, it is found that the valve spring plays an important role in the dynamic characteristics of valve train. Based on the results, we propose a new model which use beam coupled the displacement and shearing stress and gap elements to express the valve spring. The model is proved very well to express not only the same-pitch valve spring but also the different-pitch valve spring. As a result, the prediction of the dynamic characteristics of the valve train provides a lot of effective data and hint for the developing valve train design of a newly designed diesel engine.
72 Investigation of low emission two-stroke cycle engine chainsaw
Authors: Ohtsuji Takamasa , Kobayashi Buhei
Published: June 2024

This paper presents some experimental and theoretical results of a low emission two-stroke cycle spark ignition engine for chainsaws, applied a stratified scavenging method to reduce Total Hydrocarbon (THC) emission caused by air/fuel mixture short-circuiting during the scavenging process. Stratified scavenging methods are applied reed valves to control air sucked into transfer ports for stratified scavenging during sucking process. The new chainsaw engine, however, is applied piston valves instead of the reed valves to keep the same size and to be simple structure as conventional Schnurle scavenging engine chainsaws. The piston has grooves built with both sides. The grooves connect an air inlet to transfer ports to suck air into the transfer ports during the sucking process. The new chainsaw, having the same power as conventional chainsaws, is reduced THC emission to about 1/3 of conventional one and can meet to EPA Phase II regulation on and after 2005 without catalyst.
SCIP : a New Simplified Camless IAPAC Direct Injection for Low Emission Small Two-Stroke Engines
Authors: DABADIE Jean-Charles , DURET Pierre L. , VENTURI Stéphane
Published: June 2024

The IAPAC Direct fuel Injection (DI) system, developed by IFP, has already well proven its capability to reduce pollutants emissions and fuel consumption of 2-stroke engine. This crankcase Compressed Air Assisted Fuel Injection Process allowing the introduction of the fuel separately from the scavenging air, minimizes the fuel short-circuiting.

In earlier works, results of the implementation of the IAPAC system on cylinder displacement from 125 cc to 400 cc have been presented in various papers. These first prototypes were all using a camshaft to drive the IAPAC DI poppet valve, which was considered as a limitation for applying this system to small displacement 2-stroke engines.

The new SCIP system is no more using a camshaft. The IAPAC poppet valve used for low pressure air assisted fuel atomization and in-cylinder injection, is here actuated by a diaphragm and the lift of the valve is controlled by pressures from the engine. This system doesn't require any cam or driveshaft, or any electric power supply to drive the DI air assisted injection valve. Its camless air assisted injector unit can be easily bolt on existing 2-stroke cylinder heads with minimum engine intrusion and almost no engine design modifications.

The first development tests have been carried out on a 125 cc 2-stroke scooter engine and have shown a significant reduction of pollutants emissions and fuel consumption, demonstrating the SCIP capability to meet the marine outboard US EPA 2006 emissions legislation. Endurance testing was also performed to confirm the durability characteristics of this new system.

More recent results obtained on a 50 cc demonstration scooter vehicle, have shown the capability of this new system to meet the European 1999 Stage 1 emissions regulation without catalyst, and Stage 2 with a small oxidation catalyst, while maintaining typical 50 cc scooter driveability and performance characteristics with engine speeds up to about 10000 RPM.

Therefore the SCIP system appears as a simple, highly efficient and easy way to reduce pollutants emissions and fuel consumption of small 2-stroke engines of cylinder displacement from 20 to more than 150 cc.
Vibration Control of a Diesel Auto-Riksha using Low-cost Passive Engine-Mounts
Authors: Ambardekar M. N. , Patil A. B. , Jahagirdar A. P.
Published: June 2024

High idling vibrations of a single cylinder Diesel engine proved to be a cause of discomfort for passengers of an Auto-Riksha (3-wheeler). Extensive vibration measurements identified rolling resonance of the engine-mount system.

This paper presents mathematical and experimental work to seek directions of the vibration control with low cost passive engine mounts. The work covered study of

1)
use of softer rubber mounts at the engine-base

2)
placing stiff rubber mounts closer to the Principal Roll-Axis of the engine

3)
separate use of a Tie-Rod and Hydraulic Dampers between the engine and chassis

4)
limitations of a Decoupled engine-mount configuration.

Overall assessment of these methods was carried out by Eigen Analysis of a Lumped Mass Model of the engine-mount system as well as by measurement of the vehicle vibrations over a wide speed range. It was revealed that requirements of the vibration isolation in both low & high frequency range and that of fatigue life of the rubber isolators imposed a limit on the performance extracted from the passive engine-mounts.
Development of Single Cylinder Power Trim and Tilt Device For Outboard Motors
Authors: Nakamura Daisuke
Published: June 2024

Larger outboard motors are usually equipped with “power trim and tilt” mechanism (referred to as “FIT”). The mechanism plays an important role to attain good performance and proper function of the craft. (See Fig. 1)

Basically, PTT has not been evolved out of its original configuration for 15 years or so. It consists of three hydraulic cylinders positioned in parallel; one of them is used for tilting, and other two for trimming. In recent years, however, the outboard motor market had a strong demand for PTT on mid and small size outboard motors. Such, demand necessitated a new type of PTT that is more compact and less expensive than conventional PTT, and still retains equivalent function and performance.

This paper describes first-in-industry coaxial double cylinder PTT (referred to as SPTT; abbreviation of Single-cylinder Power Trim and Tilt), especially focusing on its unique design and layout. SPTT was developed to meet the strong demand in the market, and currently applied in our mid-size outboard motors.

Fig. 1Power Trim and Tilt Operation
Internal Combustion Engine Valve Construction and Manufacturing Mean Using the Alloys Based on Titanium
Authors: Panin Valery I. , Burakov Yuri V. , Volkov Anatoly E. , Chainov Nikolai D. , Miagkov Leonid L. , Lukin Dmitry B.
Published: June 2024

This paper presents the results of R&D work for design and manufacturing of lightweight (mass reduction up to 50 %) valve for internal combustion engine using the Ti-alloys. The valve design is compound: valve stem is made of exact rolled high strength Titanium alloy and valve head is made of γ/α2 Titanium Aluminides. Valve shaping was made using new procedure: Pulse Volumetric Die Forging (PVDF). Patent on composite Ti-alloy valves in pending.
Combustion and exhaust emissions of a SI engine fueled with methanol reformed gas and hydrogen
Authors: MAEDA Masami , YAMATO Tadao , SHIOMI Yasuaki , SUGAHARA Kouichi
Published: June 2024

This paper studied suitable methods to use reformed gas (H2 67% and CO 33% mixed), hydrogen as alternative fuels for an internal combustion engine. Both the internal mixture formation and the external mixture formation were studied. PIMGI (Port and Intake Manifold Gas Injection) engine of the external mixture formation was equipped with two electro-magnetic injectors per cylinder. One injector was installed in the intake manifold for the homogeneous mixture and the other was installed near intake port for stratified charge. The fuel pressure for PIMGI was 0.8 MPa. In GDIC (Gas Direct Injection into Cylinder) engine of the internal mixture formation, the gas injector driven by the hydraulic pressure was installed in the cylinder head. The fuel pressure for GDIC was 5.0 MPa. In the GDIC, the fuel was injected early after intake valve was closed because the gas pressure was relatively low for direct injection. Brake mean effective pressure of GDIC was 20 % higher than that of PIMGI, because the volumetric efficiency of GDIC was higher than that of PIMGI. However, the brake thermal efficiency of GDIC was lower than that of PIMGI entirely in case of using the same fuel The break thermal efficiency of the H2 engine was about 2% higher than the reformed gas engine. NOX emissions of MRG and H2 engines were approximately under 10 ppm at a lean burn process with excess air ratio λ >2.2. Both reformed and H2 gas engines realized high thermal efficiency and low NOX emissions under a fuel-lean condition.
THERMODYNAMICAL AND OPTICAL ANALYSES OF CONTROLLED AUTO-IGNITION COMBUSTION IN TWO STROKE ENGINES
Authors: Eric Esterlingot , Philippe Guibert , Jacques Lavy , Stéphane Raux
Published: June 2024

One of the main drawback of the two stroke engine is the unstable running especially at light load which involves high emission of unburned hydrocarbons. In this case, the scavenging process has a low efficiency and the high quantity of residual gas in cylinder leads to incomplete combustion in certain cycles.

The use of controlled auto-ignition combustion or ATAC, which is initiated by auto-ignition instead of a spark plug, provides a consistent increase of the thermal efficiency and a lower ignition of the fresh charge. Its main characteristic is a great cyclic stability. The experimental work described in this paper is focused on the analyses of the auto-ignition phenomenon.

A FORCE outboard engine 1230 cc three cylinders is used in this research work with extra special throttles in the tranfer duct. Large windows are mounted in the cylinder head and allow us a complete chamber visualization in firing conditions at many crankangle position. The engine is entirely instrumented (pressure, exhaust gas analysis, cylinder gas analysis by a sampling valve …).

The parametric study and its interpretation reveal that the change of combustion process can be explained in term of aerodynamic and of the enthalpy of the residual gas fraction. Control of the combustion process diminishes knocking apparition and allows us a wide range of auto-ignition running conditions. Response of energy release has been studied and shows a cycle regulation of the start of ignition and combustion speed. To complete the parametric study, images obtained in the two modes are presented and reveal important differences as for example a random ignition location for auto ignition combustion. A video film comparing the two combustion modes has been realised.
2 Stroke Fuel Injected Outboard Motor with Oxygen Sensor Feedback Control System
Authors: Sogawa Masafumi , Kato Masahiko , Nonaka Kimihiro
Published: June 2024

This paper describes new 2 stroke fuel injected spark ignition outboard motor equipped with unique oxygen sensor feed back control system to assure constantly optimized air/fuel ratio.

First, the general concept and the engineering target of commercial model are explained, and then the design and arrangement of oxygen sensor feedback fuel injection control system are described. Common automotive oxygen sensor is utilized in this system, and it is devised to overcome the problems inherent in 2-stroke engines.

This paper also describes the controlled combustion system that enhances consistent and stable performance, and improves fuel efficiency.

Applying these technologies, 40% less fuel consumption in cruise range was demonstrated by the comparative test with conventional fuel injected 2-stroke model.
Analysis of Dual-Charging Two Stroke Engine
Authors: Saxena Mukesh
Published: June 2024

A Dual-charging approach to reduce scavenged-through fuel losses have been studied and practical systems for two and three wheeler applications have been developed. In this paper the analysis of dual-charging approach have been made based on experimental results, and theoretical calculations of cylinder charging and scavenging.

The distinguishing feature of dual-charging is the incorporation of an additional intake which supplies either air alone or a portion of exhaust gases. The other intake supplies air-fuel mixture. This results in cylinder charging taking place in phases: initially air or a portion of recirculated exhaust, and later air-fuel mixture.

The analysis of experimental results have been made for the fuel and air trapping efficiencies alongwith the exhaust emissions. Based on theoretical calculations the concept of dual-charging has been analysed for the relative loss, and the loss-contribution of each phase of cylinder charging towards the total fuel loss into the exhaust. For both the cases the improvements in trapping efficiency and reductions in HC emissions have been predicted and compared with experimental results.
Accelerated Motorcycle Testing Using Laboratory Simulation Methods
Authors: Stewart Gary , Gunness Peter
Published: June 2024

Laboratory simulation methods have been used for many years in the automotive industry to accelerate durability testing of vehicle chassis and suspension members. Laboratory simulation technology is now being applied successfully to motorcycle development programs. Laboratory simulation methods and technologies provide several advantages over conventional proving grounds test methods. Typically, laboratory testing reduces testing time and cost, provides more repeatable tests, reduces maintenance and eliminates weather delays, does not require a running engine or drivetrain, and generally has fewer uncontrolled variables. Usage data is recorded in the form of suspension reaction forces, moments, or motions as an input to the simulation process. These inputs are simulated, and this data can be readily fed back to the design team to help refine FEA models for design improvements. Vehicle and rider dynamics can be safely observed as suspension parameters and adjusted in a repeatable laboratory setting. Dynamic analysis can be used to animate various running modes on the simulator, and noise, vibration, and harshness (NVH) problems can be isolated as being engine & drivetrain induced or road induced vibrations. Due to these factors, laboratory simulation testing is helping motorcycle manufacturers reduce their product development cycle time and improve overall quality in the process.
Catalytic Converter Development for Motorcycle Emission Control
Authors: Hwang H. S. , Dettling J. C. , Mooney J. J.
Published: June 2024

Catalytic control of motorcycle vehicle emissions requires that the catalytic element be carefully integrated into the exhaust system. The catalyst element physical parameters are optimized to achieve specific exhaust tuning requirements. Since the converter is located inside the muffler, the peak temperatures can severely stress both the catalytic active washcoat materials and the currently used metal monolith structure under some operating conditions. This paper addresses the development of an alternative ceramic monolithic catalyst that can be used for 2 and 4-stroke motorcycle applications.

A new mounting technique was developed to contain the ceramic catalytic unit within a holder or converter shell with sufficient strength and durability to withstand the severe environment of 2-stroke engine exhaust. The catalytic layer, which utilizes the segregated washcoat technology, was specifically designed for high temperature thermal resistance, low temperature performance and oil ash resistance. The new mounting technique and the catalyst formulations had proved to provide stable performance in laboratory reactor, engine dynamometer and on-road testing. The results of this work provide a new freedom for matching specific engineered washcoats to either ceramic or metal monolith catalysts to meet the specific requirements of a particular application.
Effects of aeration and centrifugation conditions on omega-3 fatty acid production by the mixotrophic dinoflagellate Gymnodinium smaydae in a semi-continuous cultivation system on a pilot scale
Authors: You Ji Hyun , Jeong Hae Jin , Park Sang Ah , Eom Se Hee , Kang Hee Chang , Ok Jin Hee
Published: June 2024

High production and efficient harvesting of microalgae containing high omega-3 levels are critical concerns for industrial use. Aeration can elevate production of some microalgae by providing CO2 and O2. However, it may lower the production of others by generating shear stress, causing severe cell damage. The mixotrophic dinoflagellate Gymnodinium smaydae is a new, promising microalga for omega-3 fatty acid production owing to its high docosahexaenoic acid content, and determining optimal conditions and methods for high omega-3 fatty acid production and efficient harvest using G. smaydae is crucial for its commercial utilization. Therefore, to determine whether continuous aeration is required, we measured densities of G. smaydae and the dinoflagellate prey Heterocapsa rotundata in a 100-L semi-continuous cultivation system under no aeration and continuous aeration conditions daily for 9 days. Furthermore, to determine the optimal conditions for harvesting through centrifugation, different rotational speeds of the continuous centrifuge and different flow rates of the pump injecting G. smaydae + H. rotundata cells into the centrifuge were tested. Under continuous aeration, G. smaydaeproduction gradually decreased; however, without aeration, the production remained stable. Harvesting efficiency and the dry weights of omega-3 fatty acids of G. smaydae + H. rotundata cells at a rotational speed of 16,000 rpm were significantly higher than those at 2,000–8,000 rpm. However, these parameters did not significantly differ at injection pump flow rates of 1.0–4.0 L min-1. The results of the present study provide a basis for optimized production and harvest conditions for G. smaydae and other microalgae.
A note on certain multiplicative arithmetic functions
Authors: Sivaraman R. , López-Bonilla J.
Published: June 2024

We use the Apostol-Robbins theorem to determine for several arithmetic functions of interest in number theory
Möbius transformation and the Riemann sphere
Authors: Bulnes J.D. , Caicedo-Ortiz H.E. , López-Bonilla J.
Published: June 2024

We exhibit that the 3-rotations and Lorentz mappings generate Möbius transformations in the complex plane.
Analisis Kinerja Petugas Pasasi dalam Menangani Spesial Passenger (Whelchair) di PT Gapura Angkasa Bandar Udara Internasional Zainuddin Abdul Madjid Lombok
Authors: Firnawati Firnawati , Rahimudin Rahimudin
Published: June 2024

Banyak kasus penumpang yang memiliki kondisi khusus disebabkan karena sakit, disabilitas, lanjut usia, wanita hamil, cacat, tunanetra dan anak-anak mereka tidak bisa melakukannya sendiri, untuk itu mereka membutuhkan pelayanan khusus yaitu berupa pengguna Wheelchair untuk membantu perjalanan mereka selama di bandara. Penelitian dengan menggunakan jenis penelitian kualitatif, Dalam penelitian ini sumber data diperoleh melalui data primer dan data sekunder. Pengumpulan data dalam melakukan penelitian ini menggunakan observasi, wawancara dan dokumentasi. Serta Teknik analisis data yang digunakan dalam penelitian meliputi: Reduksi Data, Display Data, Kesimpulan/verifikasi
Hasil penelitian ini meliputi, kinerja unit Pasasi dalam Menangani Spesial Passengger (Wheelchair) di PT. Gapura Angkasa Bandar Udara Internasional Zainuddin Abdul Majid Lombok, sudah sangat baik di lihat dari aspek kualitas kerja, kuantitas kerja, tanggung jawab, kerjasama, dan inisiatif yang semua aspek sudah sangat baik dilakukan oleh petugas unit Pasasi dalam menangani spesial passenger. petugas pastinya mengalami kendala, kendala disini seperti Wheelchair yang dipakai kurang layak pakai seperti roda wheelchair berbunyi, Penumpang wheelchair tidak memiliki pendamping dalam melakukan penerbangan, dan penumpang Wheelchair tidak membawa surat pernyataan dan lain-lain kendala-kendala tersebut kerap terjadi dialami oleh petugas pasasi.
PRODUCTION OF Pinus durangensis Mart. UNDER DIFFERENT SUBSTRATE AND MYCORRHIZAL INOCULATION CONDITIONS IN NURSERY
Authors: Martínez-Casas Ricardo , García-Rodríguez José Leonardo , Salcido-Ruiz Silvia , Goche-Télles José Rodolfo , Prieto-Ruíz José Angel
Published: June 2024

Substrate and mycorrhization are important aspects when producing plants. The objective of the study was to determine the effect of three substrates inoculated with ectomycorrhizal fungal spores on the morphological characteristics of nursery-grown Pinus durangensis as well as the inherent costs of the substrate. A randomized block experimental design with a 3 x 3 factorial arrangement was used. The substrates evaluated were: 1) peat, vermiculite, and perlite (50:25:25) [PVP]; 2) peat, composted bark, and raw sawdust (50:25:25) [PBS]; and 3) peat and bark (50:50) [PB]. The mycorrhizal inoculants were: 1) Pisolithus tinctorius; 2) Laccaria laccata; and 3) control. The plant was produced in black polyethylene tubes (160 mL) and evaluated at 13 months. The substrate factor presented statistical differences (p ≤ 0.05) in the variables evaluated, with higher values in PVP, followed by PBS and PB, the latter being similar to each other. The mycorrhizal inoculation factor showed differences (p ≤ 0.05) in root and total biomass, Dickson’s quality index, and mycorrhizal colonization, obtaining higher values when P. tinctorius was inoculated, except in the last variable, where the application of L. laccata stood out. In the substrate-mycorrhizal inoculation interaction, the most favorable combination was PVP and P. tinctorius. The PVP substrate was 28.4 and 34.6 % more expensive than PB and PBS, respectively. The combined effect of PVP and P. tinctorius produced the best growth, although the substrate was more expensive.
Manajemen Pendidikan Dasar dan Pengembangannya di SD Negeri 015 Muara Kaman
Authors: Aripin Muhammad , Subaidah Siti , Prihanto Agus , Warman Warman
Published: June 2024

Management of basic education Improving the quality of administration in basic education institutions is crucial for the growth of elementary schools. One of the most important parts of education that contributes to better education is development. Institutional advancement is greatly aided by the improvement of basic education administration. Furthermore, the administration of basic education, which is integral to the school improvement procedure, is the purview of school development. Methods for gathering information in this descriptive qualitative study include interviews, observations, and written records. Findings from the study on basic education management now underway at SDN 015 Muara Kaman with the aim of raising the standard of education there, namely in two areas: first, the creation of curricula, and second, the implementation of those curricula.
Digitális közszolgáltatások, e-egészségügy Magyarországon
Authors: Pákozdyné Bőcz Ildikó
Published: June 2024

Jelen cikkben a hazai digitális gazdaság, digitális közszolgáltatási dimenziójának e-egészségügyi aldimenziója kerül bemutatásra – ezen belül is az Elektronikus Egészségügyi Szolgáltatási Tér (EESZT) bevezetésére és továbbfejlesztéseire fókuszálva, kitérve az e-egészségügy és mesterséges intelligencia lehetséges találkozási pontjaira is. Természetesen, sosem elég egy (elektronikus) rendszert bevezetni és fejleszteni – használni is kell, lehetőség szerint jól és hatékonyan. Az automatizált eszközök és a technológia adta lehetőségeket lehető legszélesebb körben kihasználó rendszerben minden világos és érthető kell legyen annak érdekében, hogy valamennyi (minél több) felhasználó megtalálja és értse benne a helyét, illetőleg éljen a rendszer nyújtotta lehetőségekkel. Az EESZT-t a fentiekkel összefüggésben a bevezetése utáni egy-két évben számos kritika érte, cikkemben ezekre is kitérek, illetőleg vizsgálom a lakosság oldaláról a „fel nem használás” lehetséges okait: életkor, iskolai végzettség és település típus, mint a leginkább meghatározó tényezők alapján.
DIALECTICS OF THE DEVELOPMENT OF THE THEORY OF CULTURAL AND HISTORICAL TYPES IN THE TEACHINGS OF K.N. LEONTIEV
Authors: Kamaletdinova Alfiya Ya.
Published: June 2024

We continue to publish materials on the problem of civilization. In the recommendations, higher school teachers are invited to consider the teachings of N.Y. Danilevsky and K.N. Leontiev. In previously published articles, different approaches to the problem of civilization in world and domestic thought were considered. In the proposed article, we tried to see the dynamics of development from the disclosure of the essence of the theory of cultural and historical types to the hypothesis of secondary and near-death mixing of cultural types.
ON THE ONTOLOGICAL PURPOSE OF MAN
Authors: Dimitrova Svetlana V. , Didenko Olga N.
Published: June 2024

The position is substantiated that the possibility of overcoming chaos in the value sphere and the infinity of the processes of “revaluation of values” is associated with the search and acquisition of a person’s existential purpose. If in religious teachings the processes of transcendence, movement towards the “super-rational” and “supernatural” act as a condition for the formation of absolute values, then in philosophy different types of transcendence are considered. In the modern situation, in the conditions of the “struggle against metaphysics,” it becomes relevant not only to determine meaning and significance, but also to substantiate the right to the existence of the transcendent. At the same time, it is shown that the contradictions of the rapidly developing, high-tech world are the basis for searching for ways to reach the transcendent. The concept of the transcendent is explicated in the process of considering eternal philosophical problems, such as: the search for the integrity of the world; defining the boundaries of knowledge and transformation of reality; man’s acquisition of his own existence. It is shown that the fight against various kinds of “centrisms” leads to the formation of a new integrity, the basis of which is permanent variability and multidirectionality. The success of goal-oriented rational activity ultimately leads to the formation of such problems, the overcoming of which is possible only if one goes beyond the limits of empirical reality. The value of thought lies not in the fact that it reflects the objective world, but in the possibility of a person introducing personal, original things into the world he describes. Consequently, both in religion and in philosophy, a person is endowed with an “ontological purpose”, and the question of gaining/giving up the search for being is in the horizon of his (man’s) decisions. It is concluded that without access to the transcendental, the search for personal existence, value foundations, and cognitive truths is impossible, since all forms of activity carried out within the phenomenal world will lead to stagnation. The transition from phenomenal to noumenal being is necessary in order to set a different hierarchy, form other evaluation criteria and methods of systematization.
SOCIETY’S NEED FOR PRESERVING WORKS OF ART
Authors: Efimenko Victoria P.
Published: June 2024

The article is devoted to the problem of preservation of artistic values in culture and generalization of the most famous philosophical theories on this problem. The role of experts in classifying works of art as cultural values is clarified and the connection of biochemical processes in the nervous system of the human body with the cultural intention of preserving works of art is emphasized. The research task is to focus attention on the process of materialization of spiritual values as a means of defining and strengthening a person in space and time. The difference in the attitude of people to collecting works of art is indicated. The subject of discussion is the ambiguous understanding of beauty in the modern world, as well as the current criteria for attributing works of art to artistic values. This material is intended to expand readers’ understanding of the relevance of the protection of cultural heritage.
THE IMAGE OF AN IDEAL RULER IN ANTIQUE PHILOSOPHY
Authors: Milyaeva Ekaterina G. , Sosnovskikh Elena G.
Published: June 2024

The article examines the ideas of ancient philosophers about the image of an ideal ruler. The specifics of the stages of development of ancient political thought are briefly presented. The images of the ideal ruler and the corresponding political systems are considered in the works of Pythagoras, Heraclitus, Plato, Aristotle, Cicero, Plutarch and Seneca. The evolution of philosophical concepts of antiquity indicates a transition from the primacy of religious and philosophical concepts (for example, Pythagoras) to philosophical and political concepts (for example, Democritus). The personal traits of the image of an ideal ruler, which have become a guideline in political behavior from Antiquity to the present day, are generalized.
RECURSIVE NEURAL NETWORK AS A HIGH-SPEED PLATE COLLISION EMULATOR
Authors: Pogorelko V.V. , Mayer A.E. , Fedorov E.V.
Published: June 2024

Based on a database obtained using a high-speed plate impact model that relates impact parameters and material model parameters to the free surface velocity profile, the study compares the learning process and accuracy of a feedforward artificial neural network and a recursive neural network. A recursive neural network provides a significantly greater accuracy and requires less training time. Using a recursive neural network as a fast model emulator and Bayesian calibration can make it possible to solve the inverse problem of determining the substance model parameters from the free surface velocity profile with a greater accuracy.
COMPOSITIONS OF FRACTIONAL DERIVATIVES AS DZHRBASHYAN - NERSESYAN DERIVATIVE
Authors: Izhberdeeva E.M.
Published: June 2024

The issues of unique solvability for a special initial value problem to two classes of a linear inhomogeneous equation with a derivative of Dzhrbashyan - Nersesyan are investigated. In one of the classes, the operator at the unknown function is bounded, in the other it is sectorial. The representation of the composition of any number of Gerasimov - Caputo and/or Riemann - Liouville differential operators in the form of a Dzhrbashyan - Nersesyan derivative is also proved.
Deconstructing Racial Paradigms in Criminology: Towards an Inclusive and Critical Approach
Authors: Wang Suyi
Published: June 2024

This paper critiques the conventional frameworks in criminological research regarding race and racism. It identifies the limitations of data-driven methods that often perpetuate racial stereotypes due to biased and incomplete data. The study argues that criminology has historically minimized the role of race, treating it as a mere variable and neglecting the broader socio-political contexts. This oversight leads to color-blind racism, which ignores systemic inequalities and fails to account for the lived experiences of minority communities. Furthermore, the paper highlights the emerging issue of racial biases embedded in artificial intelligence tools used in criminology, which can exacerbate discrimination. The author advocates for a reorientation of criminological research to incorporate minority perspectives and analyze data within both historical and contemporary contexts. This approach aims to provide a more nuanced understanding of the interplay between race and criminal behavior, thereby promoting a more inclusive and equitable criminological practice.
Alk: A Formal-Methods-based Educational Platform for Enhancing Algorithmic Thinking
Authors: Lungu Alexandru-Ioan , Teodorescu Vlad , Zaborilă Andrei , Andrei Oana , Lucanu Dorel
Published: June 2024

Algorithm design courses are fundamental to computer science curricula, but fostering algorithmic thinking in students is challenging due to the diverse skills and creativity required. Dedicated teaching support tools can help both course instructors and students in this effort. We have developed the Alk platform to promote algorithmic thinking, leveraging the theoretical foundations of Matching Logic. Alk features an intuitive algorithm language that provides a flexible computational model suitable for analysis, symbolic execution, and checking properties of algorithms. In this paper, we present an overview of the Alk platform tool and demonstrate, through use cases, how it fosters various algorithmic thinking skills. We conclude that the Alk platform is a valuable tool for learning and teaching algorithms, effectively enhancing students’ understanding and skills. Future work will extend its capabilities of supporting symbolic execution, probabilistic algorithms, as well as estimation of execution time, further broadening its impact on computer science education.
Exploring the Issues and Scenarios among Malaysia’s Real Estate Valuers Community Related to Smart City Concepts
Authors: Noor Noorsidi Aizuddin Mat , Eshamuddin Muhammad Nur Ezzat , Yusoff Nurul Syakima Mohd , Deris Farhana Diana , Ishak Mohd Hafızal , Mohktar Afizan
Published: June 2024

The rise of smart city concept is fundamental because it is more integrated in the fast-growing urbanisation nowadays and the primary objective is to solve the social problems that are associated with the urban cities. Though the outcomes of these programs may vary based on the level of participation of the real estate valuers community and its acceptance of them. In the light of it, the aim for this study would be to show the problems and scenarios personally proven as obstacles for real estate valuers while the acceptance of smart city concept is in Malaysia. This will lead to the community being able to familiarize themselves with the smart city technologies and the process of valuation. This study has been carried out throughout the entire process of development of smart city ecosystem. The purpose of this study is to be able to distinguish the issues and scenarios among real estate valuers community related to smart city concepts. Thus, this study could help us understand on how to stimulate more involvement and participation of real estate valuers community in the urban areas that are under the category of smart city. It can be used in educating political leaders on inclusive policies, involving citizens in designing and operating technologies that people want and let the communities play a role in planning how they will design the city. Conclusively, thi study intended to lay the foundation for the sustainability and equality of smart cities, which are vital aspects of national development.
Consumer Preferences of Accommodation Facilities’ Promotional Tool in Solano, Nueva Vizcaya
Authors: Emmanuel C. Calao, Paolo , Leigh F Caro, Khate Darlene , Anjelo E Castillo, Zymone , Tafael J. Gregorio, Jerome , Christian A. Quinto, Eugene , Joshua C. Tanglao, Paul , Michael C. Ibarra, John
Published: June 2024

At various levels, the Philippine government has considered tourism one of its top development priorities to ensure its economic sustainability. Tourism industries are composed of restaurants, hotels, hospitality, any related to travel, tourist destinations, and transportation industries, and much of it revolves around keeping tourists happy and satisfied with their tourism activities. This research emphasizes consumer preferences for accommodation facilities and promotional tools in first-class municipalities. The study determined the effectiveness of the accommodation establishment’s promotional material among tourists through a quantitative analysis. The data was ga there dusing survey questionnaires, which included 60 respondents who stayed in the two selected accommodation facilities. The findings revealed that there is an equal number of male and female respondents in the two selected accommodation facilities in Solano, Nueva Vizcaya, most of whom earn a salary of Php.10,000-20,000 a month, single, frequent hotel guests coming from outside the province, and checking in for vacation. The findings also revealed that the respondents prefer price, packages desired, differentiation, and timing of packages offered to accessibility and something new. The study recommends that accommodation facilities differentiate their offerings by focusing on complimentary meals & loyalty programs.
The 5% Fallacy: How Fee Caps Impede Business Rescue for Financially Distressed Companies in Zambia
Authors: Mwape Victor
Published: June 2024

This study examines the potential drawbacks of the 5% net asset cap on business rescue practitioner (BRP) fees enshrined in Zambia’s Corporate Insolvency Act (Act No. 9 of 2017). We argue that this “one-size-fits-all” approach disregards the inherent complexities and unpredictable costs associated with business rescue proceedings. The research analyses the limitations of the fee cap through the lens of minimal net assets in financially distressed companies, the challenges of unforeseen expenses and disbursements, and the inflexibility in accommodating exceptional circumstances. Our findings suggest that the capped fee structure discourages qualified BRPs from undertaking high-risk cases, ultimately hindering the rehabilitation of financially distressed companies and potentially increasing company liquidation rates. The paper concludes by proposing alternative approaches, such as success-based fees, capped hourly rates, and a pre-approval process for exceeding the cap in exceptional cases. These alternatives aim to ensure fair compensation for BRPs while safeguarding against excessive fees, fostering a more effective business rescue ecosystem in Zambia.
Factors of Foreign Direct Investment Inflows: A Study on Korean Investment in the EPZs of Bangladesh
Authors: Nusrat Sanjida , Biswas Mohona , Chowdhury Dr. Mohammad Mizanur Rahman , Alam Dr. Zahurul , Akhter Dr. Shelina
Published: June 2024

This paper tries to explore the factors that influence foreign direct investment in the EPZs of Bangladesh. The researchers have collected data from a sample of 40 foreign companies that are functioning their factories in the EPZs of Bangladesh. Both primary and secondary data were used. Primary data were collected by interviewing the respondents using the structured questionnaire using the convenience sampling technique. Statistical Tools “Factor Analysis” (Principal Component Analysis and Confirmatory Factor Analysis) is used for data analysis. The result of the study is 12 constructs that influence the foreign direct investment in EPZs of Bangladesh. The findings of the present research will help the companies of the developed world to evaluate their investment strategies in Bangladesh. The results show some factors which can influence the FDI in EPZs of the country. The limitations of the study are the samples and the apathy of the respondents. The present research presents some modest suggestions for overcoming the hindrances and boosting the inflow of Korean investment in EPZs.
DESAFIOS NA EFETIVAÇÃO DO TRATAMENTO DE IDOSOS PORTADORES DE HIPERTENSÃO E DIABETES: UMA ANÁLISE SOBRE AS LIMITAÇÕES DO PROGRAMA HIPERDIA NO CONTEXTO DA ATENÇÃO BÁSICA
Authors: De Oliveira Maia Anny Gessyca
Published: June 2024

A diabetes mellitus e a hipertensão arterial são doenças crônicas prevalentes em idosos, demandando monitoramento contínuo. O objetivo deste trabalho é relatar os desafios na efetivação do tratamento de idosos portadores de hipertensão e diabetes, observando quais as limitações do programa hiperdia no contexto da atenção básica. Este estudo investiga os desafios no tratamento dessas condições, especificamente no contexto do programa Hiperdia na atenção básica. Realizada como uma revisão integrativa, a pesquisa analisou 16 artigos da Biblioteca Virtual em Saúde, abordando o período de 2019 a 2023. Os resultados revelaram questões como a ausência de uma abordagem metodológica adequada por parte dos profissionais de saúde e o uso frequente do programa apenas para renovação de receitas. Embora o Hiperdia tenha sido concebido para monitorar e promover a saúde da população idosa com diabetes e hipertensão, esses achados indicam que há espaço para melhorias significativas. O programa precisa ser reavaliado para garantir que esteja cumprindo sua função integral de atendimento aos pacientes idosos, indo além da mera prescrição de medicamentos. Uma abordagem mais abrangente e centrada no paciente, com foco na prevenção, monitoramento e tratamento eficaz, pode ajudar a melhorar os resultados de saúde e a qualidade de vida dos idosos afetados por essas condições crônicas. A atenção primária desempenha um papel fundamental nesse processo, sendo crucial para a implementação bem-sucedida de intervenções direcionadas a essa população vulnerável.
A Sustainable Restoration Plan for Gaza
Authors: Tal Alon , Cohen Galit
Published: June 2024

Purpose:  Since the outbreak of the Gaza war, innumerable discussions for resolving the conflict have emerged considering governance, security, equity and feasibility. Any discussion involving the aftermath of the fighting in this embattled area must also include a focus on sustainability.  The article highlights the primary environmental challenges associated with post-war ecological restoration.
Methodology: This article represents an historical analysis, reporting the results of a desk study, based on academic sources, reports of internation agencies, civil society and government data.
Findings: In recent decades, Gaza’s environment increasingly reflects the adverse impacts of mounting demographic density, resource exploitation, poor management and significant contamination. Degraded ground water quality, sewage contamination of coastal waters and debris from inadequate solid waste infrastructure, traditionally, have been the primary environmental hazards. The ongoing military conflict has only exacerbated these acute problems, adding additional risks from airborne particles from the massive damage sustained by local buildings, especially when structures contain asbestos. 
Unique Contribution to Theory, Practice and Policy: The article offers a brief historic review of Gaza’s natural resources, the drivers of the acute environmental degradation and priority action items for a sustainable strategy for Gaza and its residents’ future.
Use of Big Data for Textile Fashion and Garment Industry
Authors: Tarafder Nemailal
Published: June 2024

Big data is such type of data which requires a different processing approach. The feature of data science is to drive the fashion and textile industry forward. Among the revolutionary technologies big data is the most useful tool for industries. One of the most basic questions in research is how block chain empowered by big data can be handled and utilized to manage traceable and information sharing more perfect through global supply chains. At present the number of applications of big data technology in textile manufacturing sections in organized manner is limited. In fashion apparel businesses there are numerous benefits of retail analytics. Data related to style designs is the information about the components and standards of plan, which joined together, give the plan of a design item. Big data can allow fashion industry to examine popular patterns at a granular level to allow them understand about who is buying and why.
Entre el olvido y el reto
Authors: Teixeira Livia Solana Pfuetzenreiter de Lima , Garbellini Filho Luiz Henrique
Published: June 2024

El Anteproyecto de la Ley Orgánica Integral contra la Trata y la explotación de seres humanos representa el esfuerzo más reciente del Estado español para avanzar en la lucha contra esas graves formas de violación de derechos humanos. Uno de los elementos innovadores de la reciente propuesta de normativa radica en ir más allá de la respuesta penal e incorporar la diligencia debida en materia de derechos humanos (DDDH), que configura a los actores empresariales como agentes responsables en el enfrentamiento a dichos fenómenos en los contextos productivos. Este trabajo tiene como objetivo el análisis crítico de cómo el Anteproyecto integra la DDHH, buscando identificar sus fallos y sus características que pueden limitar la efectividad de los objetivos de dicho instituto. Para esto, se expone, primeramente, cómo los grandes actores económicos del sistema productivo hegemónico se aprovechan de la vulnerabilidad de los seres humanos. En seguida, se revisan algunos de los principales instrumentos de regulación jurídica internacional y europea que recogen orientaciones a las empresas relativas a la lucha contra la esclavitud y la protección de los derechos humanos en el campo laboral. Se concluye que el instituto de la DDDH trasladó de una situación de olvido en función de la omisión del Estado español en incluirlo en la legislación nacional a una situación de reto regulatorio, una vez que las deficiencias en su previsión pueden amenazar la garantía de un enfrentamiento integral, completo y holístico de dichos fenómenos.