bluuebunny/crossref_metadata_2025 huggingface dataset:
Indicators of the processes of combustion and soot content in the cylinder of a car diesel engine of 4CH 11,0/12,5 when working on an alcohol-fuel emulsion
Authors: Likhanov V A , Rossokhin A V , Devetyarov R R
Published: May 2020

The paper presents the results of the influence of the use of ethanol-fuel emulsion as a fuel on the performance of the combustion process and the soot formation processes of a 4CH 11,0/12,5 automotive diesel engine with a combustion chamber of the CNIDI type. The influence of the installation angle of advance of fuel injection on the maximum pressure and maximum temperature of the gases in the cylinder, as well as the mass concentration of soot particles in the nominal operating mode, is considered. Alternative fuel has a great influence on the content of soot particles in the combustion products, and their quantity, in turn, has a significant effect on the emissivity of the flame. And the thermal tension of the details of the cylinder-piston group depends on these indicators.
Plastic bending of the waveguide tubes with rectangular cross-section
Authors: Kudryavtsev I V , Brungardt M V , Novikov E S , Rastovtsev P A , Mityaev A E
Published: May 2020

This paper focuses on a new mathematical model of plastic bending of waveguide tubes with rectangular cross-section. The analysis of the known approaches and decisions is carried out, their shortcomings are shown and a new model of a thin-walled waveguide on the basis of the theory of plates and shells is offered. The solution is obtained by combining the semi-inverse Saint-Venant method and Airy functions. The received solution allows to generalize the available private solutions and have good agreement with known private empirical dependences for a plastic bending of tubes with rectangular cross-section.
Subminiature eddy-current transducer for studying defects in weld joints of high-strength steel
Authors: Ishkov A V , Dmitriev S F , Katasonov A O , Malikov V N
Published: May 2020

The article describes the design of a hardware-software system intended for studying the properties of high-strength steels. Within the scope of the study, defects in the welds of the transformer tanks made of high strength 08G2B steel were being located. Such materials belong to ultra-low-carbon steels, and thus, it is possible to study their properties applying the eddy-current method. In the course of the work, a subminiature eddy-current transducer with three coils wound on a core made of 80NM3 ferrite was designed and optimized. In the work, samples with model continuity defects (cracks and holes) were examined, and a study was conducted in order to simulate weld corrosion defects.
Quantity and quality assessment of multilayer coating adhesion strength
Authors: Mingazhev A D , Kuzeev I R , Gafarova V A
Published: May 2020

Development and improvement of modern machinery, increasing its performance efficiency are closely related to operation conditions of its main parts, units and devices becoming rougher. Various aggressive and force factors impact on machines and devices resulted in development of special protection and strengthening coatings including multilayer ones. Shifting from simple coatings to more complicated ones set he task to control their quality parameters.
Improving the efficiency of a hydraulic drive with a closed-loop hydraulic circuit
Authors: Emelyanov R T , Klimov A S , Kravtsov K S , Olenev I B , Turysheva E S
Published: May 2020

While developing the Arctic territories, the use of mechanical equipment, adapted to work at low temperatures, is required. The power element of hydraulic machines is a hydraulic fluid, which, under different ambient conditions, changes the viscosity-temperature properties. With decreasing temperature, the viscosity increases. The hydraulic fluid lubricity of the rubbing surfaces of the hydraulic drive elements is declining. On rubbing surfaces, the oil film strength decreases, which leads to its rupture. A hydraulic circuit of the hydraulic drive is proposed, containing an additional adjustable throttle. When throttling the working fluid, the thermal energy releases. The process of throttling the working fluid is described by differential equations. To simulate the proposed system, a dynamic closed-loop hydraulic model was compiled using MATLAB&Simulink. Modeling the hydraulic drive made it possible to obtain the time dependences of the working fluid pressure as it leaves the throttle. The obtained dependences by mathematical modeling made it possible to determine the effect of the differential pressure on the throttle on the fluid flow rate, as well as the dependence of the decrease in the liquid flow coefficient on the differential pressure. The use of a throttle hydraulic actuator with a closed-loop hydraulic circuit ensures stable temperature conditions.
Automation of management and control system for wellhead equipment of a production well
Authors: Kramarenko V A , Lunev A S , Kaizer Yu F , Tyukanov V L , Lysyannikov A V , Kuznetsov A V , Chavyraa Ch D , Sharshembiev J S
Published: May 2020

This article proposes a version of the management and control system for the wellhead equipment of the production well. It considers the analyzed and confirmed currentness of the use of such a system. The main functions of the system allow continuous control of actuators of the wellhead equipment in real time. It solves the problem of the operational stabilization of pumping equipment and ramping up the well to the optimum operation.
Vibration damper-calibrator for shock wave damping from sharp bit installation on the bottomhole
Authors: Bashmur K A , Zagulyaev A V , Petrovsky E A , Bukhtoyarov V V , Kukartsev V V
Published: May 2020

This article addresses the problem of drill string vibration. In particular, the issue of quenching of high-amplitude low-frequency vibrations generated from sharp installation of the bit on the bottomhole is analyzed. This problem is virtually uncontrolled and arises from objective factors such as rock collapse and subjective factors such as driller error. It is proposed to use impact type of vibration damper for damping of this type of vibration. Possible design of well impact vibration damper-calibrator is shown. A dynamic model of the vibration damper has been built. Analysis of the model suggests the efficiency of using these types of vibration dampers to eliminate high-amplitude low-frequency vibrations of drill columns.
Investigation of the torque electric drive of the enclosing structure at low temperatures
Authors: Klimov A S , Servatinsky V V , Yanaev E Y , Volkov R V , Stepanyan A S
Published: May 2020

The article deals with the study of a torque electric drive at low negative air temperatures used as part of the enclosing structure of a ventilated underground building. The increasing of the efficiency of the torque electric drive of the enclosing structure is analyzed, a simulation model of the torque electric drive is developed and a model of the control system of the enclosing structure in the language of MATLAB&Simulink is designed. A software model in the form of Arduino software package was developed to study the drive operation of the ventilated underground of building enclosure structure in the permafrost zone.
The study of influence of chemical composition of steel 35HGSL on the characteristics of shrinkage, casting defects and microstructure
Authors: Skryabin M L
Published: May 2020

Today, steel castings have become an integral part of modern foundry production. In the process of obtaining castings, any defects inevitably appear. In this paper, we consider the production reasons for the formation of defects in the manufacture of castings made of 35XGSL steel when casting on investment models. The features of heat removal from the casting during primary and secondary crystallization are also considered. The classification of casting zones by the orientation of crystals in castings is given. The regularity of the influence of the cooling intensity on the shrinkage character is revealed.
Marginal reserve: determination, calculation and estimates
Authors: Sadykhov G S , Kudryavtseva S S
Published: May 2020

Analysing prolonged operating terms of non-restorable items, based on quantitative index “mean residual life over assigned operating time”, we can see this index as not always efficient to contribute to operating term prolongation; mainly, because using it we do not consider the change regularities of marginal reserve, over appointed operating time. Another index introduced by us, “mean residual life over assigned operating time during a determined term”, has the same limitations, because the time calculated by means of that includes marginal reserve during a determined, over the assigned, term. In this paper, to determine the residual reserve over assigned operating term, marginal reserve is taken as the margin between these indices. Calculation formula and estimates are proved for the introduced index, which enables to substantiate operating terms prolongation to the required values over the appointed ones. Also, the change limits are determined for the introduced index, depending on time. Besides, regularities of the marginal reserve are explored, in dependence on the character of change of item failure rate. Formula of limit value of the introduced index is proved for the steadied, in time, item failure rate. The proved formula is recommended for high values of appointed operating time of items.
Chemistry of the process of formation of nitrogen oxides in the combustion chamber of gas-diesel
Authors: Lopatin O P
Published: May 2020

Using the results of modeling of isothermal kinetic systems for calculating the kinetics of nitrogen oxides formation during combustion of natural gas and diesel fuel in diesel engines, summing up the known data of elementary reactions during combustion of methane and selecting the most significant ones from them, excluding processes with high activation energies, the mechanism of nitrogen oxides formation in the gas diesel cylinder when working with exhaust gas recirculation is presented in this work as a certain sequence of stages and branches of intermediate and final elements formation.
Drivers alert system in the conditions of information shortage
Authors: Glukhikh R S , Grazhdantsev E V , Zeer V A , Rastovtsev P A , Elagin A I
Published: May 2020

The article presents the results of an accident analysis in the Russian Federation. Trends in reducing the number of accidents have been identified, but over the past 5 years the severity of their consequences has remained at a high level, despite the development of vehicles active and passive safety systems. A new accident prevention system is proposed by informing drivers about the occurrence of an emergency in conditions of insufficient and limited visibility, based on measuring the parameters of the vehicle movement in real time using GLONASS / GPS technologies.
Determination of measurement errors for the tribological properties of the carbon-carbon composite in aircraft brakes
Authors: Alisin V V
Published: May 2020

The article is focused on the accuracy of quantification for the tribological properties of a frictional carbon-carbon material during braking. The experiments were performed with the IM-58 frictional testing machine when the rotating shaft with a previously established flyweight was in the braking mode. The tests for frictional heat resistance were performed with 2168 UMT. The research deals with the changes in friction and wear properties under the conditions of sample heating. The paper describes accuracy characteristics for the measured tribological properties. The maximum permissible temperature of frictional heating in terms of wear was established for reliable operation of the brake unit.
Use of infrared thermography to control osteoreparative and integrative processes during implantation in animals
Authors: Krasnikov A V , Krasnikova E S
Published: May 2020

Thermography is an integral indicator which is formed by means such factors as the vasculature and the level of tissue metabolism. Infrared thermal imaging can be a tool for assessing the safety and effectiveness of implantation in bone tissue using various materials. The aim of the study was a comprehensive assessment of osteoreparative and integrative processes using thermography when implantation in dogs. The research objects were clinically healthy outbred dogs (n=16) at the age of 1 year and a live weight of 10-12 kg. Experimental implants coated with titanium dioxide had on their surface a polymer film of polyazolidinammonium modified with halogen hydrate ions with nanoaggregates of flavonoids according to the original author’s technique (Patent No. 2535067). Similar implants without coating were used as a control. According to the results of x-ray studies in the early and longterm after surgery, there were no foci of bone resorption in the peri-implant zone. Thermography showed a difference in temperature values in the peri-impalantant zone of experimental and control samples reaching 2°C during 1-4 weeks after implantation. On day 32, the temperature indicators for control and experimental samples were stabilized. Consequently, osteoreparative and integrative processes when using implants with author’s coating are accompanied by significantly less metabolic stress for the animal’s body, which was established using infrared thermography.
Thermal-oxidative stability control of motor oils by thermal energy with cyclic temperature change
Authors: Kovalsky B I , Shram V G , Petrov O N , Vereshchagin V I , Sokolnikov A N
Published: May 2020

The results of the study of the thermo-oxidative stability of Castrol Magnatec R 10W-40 SL/CF partially synthetic engine oil with cyclic test temperature changes from 150 to 180 °C and from 180 to 150 °C taking into account the thermal energy absorbed by the products of oxidation and evaporation are presented. The graphical dependences of the decimal logarithm of the thermal energy absorbed by thermostatic products on the decimal logarithm of the test time are obtained, which are described by linear equations in the cycles of increasing and lowering the test temperature, which made it possible to determine the effect of time on the indicators of thermo-oxidative stability.
Impedance measurement: transformation of the probability density function of the results uncertainty
Authors: Baranov V A , Myasnikova M G , Pecherskaya E A , Pushkareva A V , Cypin B V
Published: May 2020

Monte Carlo method modeling allows determining the transformation of the probability density function of the uncertainty of the impedance components measurement results. Direct measurements of impedance components are based on the indicative form. The probability distribution density function of the uncertainty of direct measurement results is a constant. The components of algebraic and trigonometric forms of impedance are measured indirectly. The type of transformed probability density function for these forms is determined by calculating estimates of mean, standard uncertainty, extended uncertainty, asymmetry coefficient. Modeling allows to obtain reliable estimates of extended uncertainty of indirect measurements results of impedance components in accordance with current metrological standards.
The study of the wear of the control knives of the straw chopper
Authors: Ishkov A V , Malikov V N
Published: May 2020

The article considers the topical task of studying the wear rate of steel parts in the course of agricultural work. The wear of the knives of chopper-cum-spreaders used in agricultural works is determined and compared with control samples. Within the scope of the study, the relative linear and weight wear was being determined. The results of the study of dimensional parameters are given in the article. The dependence of wear on the operating time and zones of various wear of the part is determined. A graphic illustration of these dependencies is provided. The mechanism of wear of these parts is proposed. It was established that it is necessary to change the design of the hardsurfacing overlay used in order to maintain the acceptable cutting properties of the knife until it reaches its limit state, more specifically: firstly, to refuse applying hardening strips of hard alloy on the reverse side of the cutting edges by 1/3 of their length located at a distance of 65-70 mm from the flat end; secondly, to make the width of the strips variable, gradually increasing it to a size 1.5 to 2 times exceeding the blade width when approaching the flat end of the knife, i.e. give them triangular or curvilinear shape that is close to and/or overlapping the boundaries of the wear outline; thirdly, the triangular shape of the strips can be achieved due to the excessive material released from the unhardened 1/3 of the blade length.
Adaptive method of controlling dynamic processes in non-deterministic systems
Authors: Gdansky N I , Karpov A V
Published: May 2020

This article describes a digital method for an adaptive motion control of single-degree-of-freedom object according to a given movement function on condition that external low-frequency mechanical load can be changed arbitrarily. It is proposed to simulate an external load acting on a controlled object to predict its dynamic behavior. The external load model is determined by a set of coefficients that represent the partial derivatives of the load as a function of time and spatial coordinate. These coefficients are calculated using feedback data obtained at previous moments of the movement of the controlled object. The maximum order of derivatives in a model is called the model order. The structures of zero-, first-, and second-order models are given, including the practically important case of digital measurements of the angle of rotation of the steered shaft. The article also discusses the main practical problems associated with the calculation of model coefficients and their subsequent use to control the facility.
Analysis of the formation and evaluation of performance indicators and efficiency of the organization’s management system processes
Authors: Akhtulov A L , Ivanova L A , Charushina E B
Published: May 2020

The article discusses some recommendations that will help organizations develop and implement their own methods for assessing quality management systems; a methodology for determining the effectiveness of processes is proposed. The main tasks for assessing the effectiveness of the quality management system are formulated and the selection of criteria for their significance is considered.
Assessment of the state of a lubricator by the size of the acoustic signal in a loaded pair of friction of a mining machine transmission
Authors: Knyazkina V I , Safronchuk K A , Ivanov S L , Pumpur E V
Published: May 2020

As a result of the studies, the possibility of assessing the state of the working surfaces of mining machines, in particular bearing assemblies as a whole without disassembling the gearbox, is confirmed. An innovative solution in this matter is to ensure the delivery of the lubricator to tribolcoupling through the channels of the lubrication system, according to its state, determined by the size of the acoustic signal of the ultrasonic range in the friction pair.
The oil spills stopping device for oil pipelines
Authors: Petrov O N , Agrovichenko D V , Sokolnikov A N , Vereshchagin V I
Published: May 2020

Emergency oil spills during main pipeline transportation have an extremely negative impact on the ecosystem. It is not possible to estimate the effects of oil spills, because oil is a product of long period decay. Oil pollution compromises processes proceeding in the biosphere, changes the living conditions of living organisms and their interrelation. Oil spills need to be prevented for negative impact reduction or, in case of an accident occur, spill need to be stopped and consequences need to be eliminated in a short time. Accident prevention is achieved by observing the requirements and rules of engineering surveys and pipeline design. If the requirements of standards are complied with, the hydrogeological and climatic features of the district are considered during design, construction and operation, the pipeline should work without accidents during the service life. But accidents may occur as a result of human factors, natural calamities and other unexpected circumstances. Oil spill prevention is not simple and not standard task. For time and costs reducing universal tool for oil spill prevention needs to be invented. This tool needs to be used before temporary clamping structure will be installed.
The role of regional industry standardization in the regional product branding system
Authors: Demakova E A , Butova T G , Bukharova E B , Klimovich N V , Danchenok L A
Published: May 2020

The need to improve regional industrial policies to increase competitiveness of local food products with proven quality and geographical identity has led to demand for new tools for creating and supporting regional product brands. In contrast to product brands, territorial product brands must be carriers of not only values of producers, sellers and consumers of goods, but utility for the region as a social and economic system as well. The study presents the rationale for integrating regional industry standardization into the product branding system as a tool for managing the quality of locally produced products that claim to become regional product brands and locomotives of an integrated brand in the region. The content and objects of regional standardization were determined based on the method of a targeted study of the region’s population needs by offline survey method, as well as the possibilities and needs of the region by a comparative analysis of legal documents, scientific publications and analytical reports. Based on the systematization of key aspects of consumer perception of food products, regional utility and export potential of products, a model for integrating regional industry standardization into a regional product branding system is proposed. The integration model application will reduce the risks of inefficiency of regional industry standardization and the system of local producer’s food products branding, developed and implemented as a part of the regional industrial policy.
Technological characteristics of assembly procedure for fiberoptic sensors of fluid media parameters
Authors: Murashkina T I , Badeeva E A , Khasanshina N A , Shachneva E A , Polyakova E A
Published: May 2020

Manufacturing and assembly technique for a fiber-optic sensor of fluid flow parameters is discussed in the work, this technique providing the required level of measurement accuracy and operational reliability. Operational sequence for the sensor assembly and optical fibers arrangement is described.
Applicability of the reverse engineering model for unification tasks in systems engineering processes of engineering enterprises
Authors: Nazarevich S A , Vinnichenko A V , Kurlov V V
Published: May 2020

The article describes the modernization of consumer characteristics, taking into account the total number of technical characteristics of the product, presented regulatory and technical and design documentation for the products being created, the methodological apparatus for assessing the degree of product innovation is used. The task is also to simplify the process of reverse engineering by introducing three-precision 3D scanning, which allows to accelerate the technological stages of reverse engineering until the time of manufacture of the product, as well as simplify the process of fault detection of finished products and simplify the implementation of the principles of unification.
The higher-order spectrum of simplicial complexes: a renormalization group approach
Authors: Reitz Marcus , Bianconi Ginestra
Published: May 2020

Network topology is a flourishing interdisciplinary subject that is relevant for different disciplines including quantum gravity and brain research. The discrete topological objects that are investigated in network topology are simplicial complexes. Simplicial complexes generalize networks by not only taking pairwise interactions into account, but also taking into account many-body interactions between more than two nodes. Higher-order Laplacians are topological operators that describe higher-order diffusion on simplicial complexes and constitute the natural mathematical objects that capture the interplay between network topology and dynamics. We show that higher-order up and down Laplacians can have a finite spectral dimension, characterizing the long time behaviour of the diffusion process on simplicial complexes that depends on their order m. We provide a renormalization group theory for the calculation of the higher-order spectral dimension of two deterministic models of simplicial complexes: the Apollonian and the pseudo-fractal simplicial complexes. We show that the RG flow is affected by the fixed point at zero mass, which determines the higher-order spectral dimension d
S of the up-Laplacians of order m with m ⩾ 0.
Space in Batak Karo House: a Phenomenology Architecture Study
Authors: Saragih J T A , Loebis M N , Lindarto D
Published: May 2020

Batak Karo’s Architecture is one of the Indonesian archipelago’s architecture which is the result from the local wisdom of the Batak Karo tribe, one of the karonese architectures is the traditional Karo house. Masri Singarimbun explained that karo traditional houses are not only related to their functions but related to the process of establishment and how to dwell in it, there are so many customary rules when establishing and occupying the house. Now the Karo Batak tribe has turned to contemporary architecture and has lost its meaning in its architecture. This study will examine space in karo architecture with space theory that proposed by Christian Noberg Schultz, namely architectural space and existential space. The methodology used in this research is descriptive qualitative. It was found that karo architecture is a manifestation of the world view Batak Karo tribe which considers the world divided into three parts, namely the upper world, the middle world and the underworld and also the concretization of their kinship relationship, beru, senina and kalimbubu, which is called sangkep ngeluh.
Investigation “Tiny House” in urban kampung: sustainable living or responding to scarcity?
Authors: Anggraeni Inka , Herlily
Published: May 2020

Competition on land use for settlements and offices or business areas in big cities in Indonesia, an especially metropolitan city such as Jakarta, have resulted in high land prices. This competition is a result of shifting settlements away from the city centre and people having to commute to the city centre every day to go to their workplaces. This problem occurs not only in developing countries but also in many developed countries. Tiny House Movement later emerged in developed countries and has been considered as one solution to deal with this problem. Living in a tiny house does not only mean living in a small-sized house, but also adapting to a simpler life, becoming less consumptive, being more connected to nature and caring for the environment. Living in a tiny house is not something new to Indonesian society. For people who live in the urban kampung, their place of living can also be considered as tiny houses, albeit having a different appearance to the ones in developed countries. This is what distinguishes between the understanding of tiny house between developed countries and Indonesia. This paper will discuss whether a tiny house is suitable to be applied in the lives of urban communities in Indonesia and whether tiny houses can be said as sustainable living. This research will use both qualitative methods (through interviews with urban kampung communities) and quantitative methods (measurements of tiny houses in urban kampung) to retrieve information. Through this research, it was found that urban kampung residents have applied the tiny living principle in their lives.
Architecture as Communication System with Semiotic Theory (Case Study: Tjong A Fie’s House)
Authors: Pane I F , Fachrudin H T , Fibriasari H , Lubis A S
Published: May 2020

Architecture is an object that can be related to a communication system. In communication systems called Semiotics is needed to examine the object being studied. Semiotics is a guide in finding the meaning of an architectural project, for this article emphasizes the search for architectural meanings of architectural projects that are appreciated by observers. The method used is descriptive qualitative by observing and finding the facts in the site. The object of the study was Tjong A Fie’s house in the Kesawan area of Medan City. The results of this object study were analyzed based on the semiotic theory to draw conclusions about its role in the figure of the building. The analysis results of buildings show that there is someone role for building figures in presenting the expression of his power to a building or living environment in colonial era, that is representing of Tjong A Fie.
The Image of Chinatown on Semarang Street, Medan
Authors: Marpaung B O Y , Tarigan G A
Published: May 2020

The image of the city acts as a form of identity in the development of the city, as well as increasing the attractiveness of the city. Visual quality that is formed from the function and arrangement of buildings in an area can produce perceptions that are strong enough for the observer. The community has a strong perception of the city of Medan about its Chinatown. Medan, which is one of the cities in Indonesia, has several Chinatown areas and one of them on Semarang Street. Semarang Street Chinatown is a business and culinary area that makes this area live 24 hours. The purpose of this study is to find aspects that affect the image of Chinatown on Semarang Street in making perceptions that are built in the community so that it can bring new understanding in remembering a place/region/city. The method used in this study is a mixed method where the process of collecting data and information is done by conducting various observations and distributing questionnaires. The results of this study are expected to be useful in contributing to the development of space science and social structures that have a major role in urban area planning and urban activity centers and can be input for the Medan city government regarding the role of land use and building management in the Semarang area in contributing descriptions conceptual which has an impact on improving the economic life of the community.
Urban Form Changes and Post MRT Operation Pedestrian Use Case Study: Bundaran HI MRT Station
Authors: Pangestu Irzal Adji , Sihombing Antony , Kusuma Nevine Rafa
Published: May 2020

Starting the operation of the MRT in Jakarta will affect the urban form on pedestrian lanes around the MRT area. Urban form is used to describe the physical characteristics of a city. Which are the characteristics that build the area, including the shape, size, density, and configuration of settlements. This research wants to find out the impact of the presence of MRT on urban forms on pedestrian lanes before and after the MRT operates because it will cause changes in the characteristics and quality of urban forms on the pedestrian lanes of the MRT Region. There are several methods used in this research, literature studies, interviews, and observations of various urban form elements (density, land use, access and infrastructure, layout, and building characteristics) on pedestrian lanes in the Bundaran HI MRT station area. The conclusion of this research is to find out the characteristics and quality changes of urban forms on pedestrian lanes formed in the MRT area.
Impact of Temporary Activity in Pedestrian Circulation Patterns
Authors: Mutiarasari A , Sihombing A , Gabe R T , Rahardja A A
Published: May 2020

Pedestrian indirectly has an important role in daily activity and urban design. A pedestrian has a primary function for walking and access for walkers. Therefore, a pedestrian should fulfill its primary function, and benefit for the user in terms of safety, ease, and comfort circulation. One of the pedestrian characters in Jakarta is commercial pedestrian, which surrounded by store and the entrance facing the pedestrian, so the lane has a high volume of pedestrian user. However, this situation pushes another comer to use pedestrian for selling foods (temporary activity), which can lead more people to visit pedestrian to eat and socialize, so the pedestrian sidewalk will be narrow at some points and can cause the circulation flow of pedestrian users would have several variations between activities at different times and places. The method used in this study is through architectural observe, interview the pedestrian user, and literature study. This study will find out the impact of the role of temporary activity in pedestrian circulation patterns and levels of comfort for a pedestrian user at Jalan Sabang and Jalan Jaksa, Jakarta.
Developing Tourism Attractions Based on Ecotourism in Aek Nauli Indonesia
Authors: Ginting N , Triska E
Published: May 2020

Tourism development is needed because tourism can increase an income in a destination. Ecotourism is a new type of tourism that responsible towards nature, community, and the environment. Ecotourism draws more tourist’s interest because besides giving natural tourism experience, they can learn to conserve the nature and involve with the community. Aek Nauli Natural Forest has been opened for public since 2011. However, the tourism is not developing despite of its attraction’s potential. This research is focusing on natural attraction as one of the elements of tourism attraction. The aim of this research is to find tourist attractions that have the potential to be developed based on ecotourism in Aek Nauli. This research uses a qualitative method by conducting observation and in-depth interview with key respondents. The result of this research is a concept of potential attraction development based on ecotourism in Aek Nauli.
Analysis of the improvements in the land value zone and revenue from rural and urban property taxes in North Sumatera and Aceh Provinces, Indonesia
Authors: Fachrudin K A
Published: May 2020

Based on Law Number 28 the year 2009, as of January 1, 2011, the Government of Indonesia transferred the stipulation and collection of Rural and Urban Property Taxes (PBB-P2) from central tax to regional taxes. Revenue from these taxes will be grouped as Regional Original Revenues so that its finance can be strengthened. The problem is that until now, many regions have not been able to improve their Land Value Zone (ZNT) to market value. Even though based on this ZNT the tax object sales value (NJOP) will be determined. The NJOP multiplied by the tax rate will become the amount of PBB-P2 taxes that must be paid. This research examines 17 districts in North Sumatra and Aceh Provinces to find out what are the problems in improving ZNT and imposing taxes. Data obtained from in-depth interviews were analyzed to reach general conclusions. The results obtained from the districts in North Sumatra and Aceh Provinces showed that the determination of ZNT that was close to market value could not be done due to lack of the ability of a community to pay, politics, ability to appraise, and social culture problems; so no differences between the two provinces. It is hoped that the government can overcome the problems.
Model Arrangement of The Meat Village as an Alternative Tourism Destination of Toba Lake
Authors: Irsal I , Siahaan N M , Lindarto D , Harisdani D D
Published: May 2020

The development of tourism in Sumatera Utara is currently focused on the Toba Lake National Strategic Area. One tourist destination is on the outskirts of Toba Lake namely Meat village, Toba Samosir Regency. Preliminary studies show that the tourist attraction of Meat village has not been optimal in capturing tourist visits. The world travel concept elevates local wisdom as an innovation in the tourism industry. This study aims to uncover the potential of nature and culture as a model for developing tourist destination areas by elevating the wisdom of local landscapes. The analysis was carried out using SWOT to explore the potential of landscapes and local activities to be used as elements of tourist destinations that would be designed to be a model of tourism. The results of the research show that there are five tourism activities, namely on Toba Lake beach tours, hill tours, paddy field tours, tomb tours, and traditional house tours. The tourism activity can be a model arrangement and guide for the development of local wisdom-based activities as a mainstay of Meat village tourism and alternative tourism for Toba Lake in Sumatera Utara province.
The role of notaries in the economic growth of Medan city
Authors: Gultom O B , Ginting B , Lubis M Y , Azwar T K D
Published: May 2020

Economic growth is an indicator of measuring economic success. The factors influencing the economy of a region is the business climate. Medan as the third largest city in Indonesia has a rapidly developing economy to accommodate business activities. Regional Government of Medan should provide Ease of Doing Business (EoDB) indicators for the investors. Starting a new business is one of the ten EoDB indicators which cannot be separated from the important role of notaries. However, the Regional Government and notaries in Medan have not synergized well so that trimming the licensing procedures for starting a business. This is legal research with a normative juridical approach. The results show that Government Regulation Number 24 of 2018 concerning Electronic Integrated Licensing Services mandates the use of Online Single Submission (OSS) systems. This system trims the bureaucracy and encourages new business start-ups. The Indonesian Notary Association intensely conducts education and training for Notaries on the benefit of applying OSS system. In conclusion, a Notary does not solely act as a deed maker in licensing procedures. Trimming procedures through OSS system as a support to ease of doing business will increase the economic growth in Medan, including licensing arrangements by a Notary.
Significance Assessment of the Historic Maimon Palace Area
Authors: Sitorus R , Fitri I
Published: May 2020

During the last four decades, heritage significance assessment has become an important step in cultural heritage protection and management. It is essential to study cultural heritage significance and its assessment to develop the policies and planning, which will impact the conservation and the action in safeguarding cultural heritage in the future. Therefore, this research will explore the heritage significance of the historic Maimon Palace area through the historical and structural approach. It starts from documenting the existing, investigating the development of the historical place and formulating the statement of significance through group discussion meeting involving the local communities. The paper has presented the significance of the historic Maimon Palace area as a critical part of Medan city development, which is characterized by the Malay culture and Islamic identity. It is confirmed that Deli River, Derikhan Park, today is known as Seri Deli Park, and the Grand Mosque Al-Mashun are crucial elements surrounding the palace. The Maimon Palace’s landmark is not only the landmarks for this area but also have remained a leading landmark for the city of Medan.
Adaptive Reuse of Colomadu Sugar Factory: Between Preserving Heritage and Social Media Setting
Authors: Fajarwati A A S , Wulandari A A A
Published: May 2020

Heritage building not only has historical value but also serves as a collective memory for the society. When it is older and no longer used, preservation needs to be done to keep its history. One way to preserves a heritage building through adaptive reuse, which also adds economic value to it. The historic Colomadu sugar factory built in Colomadu district area, near Solo city, Central Java, Indonesia, and then abandoned, now converted into a museum and amusement area named De Tjolomadoe. This adaptive reused tell histories and memories of the Sugar Factory’s glorious past. The presence of this space is increasingly popular, in part because of the growing existence of social media. How the visitors of the museum interprets the functions of real space and virtual space, becomes the context discussed in this study. From the results of this study, we will find out how the visitors engaged in adaptive reuse of space which is associated with the visitor’s needs of social media.
Design of Tourism Development in Cultural Corridors and Public Spaces in Kraton Yogyakarta Area
Authors: Muhamad  , Ira W S
Published: May 2020

This study aims to find out the design concept approach of the tourism area in the cultural corridor and public space in the Kraton Yogyakarta area. This research is located along the main corridor, namely KH Agus Salim Street which is the main link between the Suryobrantan Bus Terminal (Ngabean), KH Agus Salim Road Area, Ngasem and North Squareas an analysis public space usage. This research use a qualitative descriptive analysis, a kind of method that focuses on understanding social phenomena in certain spaces, namely in the region, this method emphasizes more on research that has a clear picture and in accordance with the facts in the field. Another method used is, quantitative research method, namely a method known as giving an image of an object through certain analytical techniques. The analysis in this study emphasizes several aspects such as: 1) Aspects of tourism area development; 2) Aspects of architectural visual continuity in regional facades, 3) Aspects of Connectedness Degree, 4) Analysis of regional functions. This research results showed that the 4 aspects mentioned had a strong influence on the design concept of the built area along the cultural corridor and public space in the Kraton Yogyakarta Area.
Understanding the Historic Centre of Merdeka-Kesawan: Heritage Significance Assessment in Planning and Development Context
Authors: Fitri Isnen , Ratna  , Marisa Amy , Sitorus Rudolf
Published: May 2020

The paper explores the significance of the Merdeka-Kesawan that is a historic city center Medan, North Sumatra, Indonesia. Also, it describes the conflicts and potentials outcome of heritage conservation and development interventions by carrying out the observation and the unstructured interview to the local communities. The group discussion meeting was performed to get a consensus on the statement of significance of the area. The Merdeka-Kesawan is the heart of Medan city that up to the date it still has control and organizes the economic activity of the town covering an area of approximately 62 hectares. The pattern of the Merdeka historic area was different from the Kesawan area. Until the late 20th Century, the pattern and townscape have significant changes. Besides, the study highlighted that the Merdeka-Kesawan is losing its character and functionality due to the development plans have much ignored the historic urban landscape. Therefore, it is recommended to the Medan Municipal Government to develop comprehensive planning through historic urban landscape approach. Besides, it needs to improve the level of collaboration between conservation organizations and the local community to achieve the perspective win-win solution. Medan Municipal should develop a Public Private Partnerships (PPPs) collaboration among conservation organizations and the local community to government in fulfilling the dual goals of heritage conservation and development.
Tracing the Chinese Settlement in Pekalongan: Reading Changes in the Past for Concepting Future Development
Authors: Nasution TSR , Setyawan W
Published: May 2020

As a city in the north coast of Java, Pekalongan was once a port city for Chinese traders who then settled there and built a settlement. This settlement today has been progressed to a certain point where it shows different characteristics from its original situation. However, this paper examines how and what changes have occurred in Chinese settlement in Pekalongan only from 2012 to 2018. From the identification of changes, ideas are built on how its future development should be. By using a comparative study, the research shows that besides minor changes on demography, the Chinese settlement area has been underdeveloped for some years. Thus, this area requires a concept or development guideline for its sustainable future. One of which could be carried out by utilizing its economic potential as a Batik city.
Smart Heritage: Media for Realizing Cultural Heritage Conservation in The Smart City Era
Authors: Adrian S M , Kurniawan K R
Published: May 2020

Smart Heritage is a relatively new system and management media that initiated by INTACH Heritage Academy (2007) to answer the challenge that addresses the Cultural Heritage Conservation in the Smart City Era by using the advancement of Information Communication Technology (ICT). It has begun to be applied in a city that has implemented the concept of Smart City. This paper discusses whether Smart Heritage is relevant to the issue about sustainable cultural heritage within the scope of Smart City development along with the growth of a millennial generation, because that we are going towards to the Smart era that almost everything is ICT oriented.
Chinese-Malay wood carving: the Kapitan house at Bagansiapiapi
Authors: Faisal G , Firzal Y
Published: May 2020

Malay House can be identified from the shape, stage, saddle roof, and finials. Malay House roof typologies called Limas, Lontiok, Bagonjong, Kajang, Layar, and Crossbreed. The house also is enriched by ornaments and carved panel with a certain philosophy and meaning. One of unique Malay house is known as Kapitan house at Bagansiapiapi. This house also shows how Chinese house transforms into a unique Malay house. It can be seen from stage, roof, material, and wood ornament used. According to this phenomena, this paper investigates the Kapitan house to understand the meaning of the ornament and preserving Chinese-Malayness at the same time. The qualitative research approach was used to obtain data and information about this house. It is also added with the interview to descendants of the Kapitan. Field data is analyzed by comparison techniques to find variation and meaning of wood carving on the Kapitan house. The finding shows about layout and typologies of wood carving of the house. Usual Malay house ornament such as engraving panel on windows or another carving motif also can be figured on the house. These ornaments are combined with fauna figure usual used in Chinese house but are prohibited in Malay house.
Designing furniture as learning facilities for early young child education in Desa Gunung Sari, Tangerang
Authors: Devanny Gumulya S Sn , Ryan Adiputra S Sn
Published: May 2020

Early childhood education is one of the most important stages in the process of child growth. This program was designed in order to prepare young children for further education at the elementary school stage. However, many early childhood education facilities, mainly public school located in villages still have inadequate facilities, based on data from Early Childhood Education Association. From unfit buildings to inadequate learning facilities. Therefore, it is necessary to design an appropriate and suitable learning tool for children in their early childhood age. A community service project was conducted on an early childhood education facility located in a village in Mauk area. The community service process begins with researching data through observation to the facility, interviews with the people in the area as well expert on early childhood education. Data about children ergonomy is collected. The output is twenty multifunction modular furniture named SALA (Sarana Alas Duduk Anak), that can function as table and chair for students, table and stool for teacher, and can be arranged as stage for school performance. It can be stacked up to 3 modules for space-saving. The design is made in home-based furniture maker near the village and as an effort to support and assisting early childhood education nationally.