bluuebunny/crossref_metadata_2025 huggingface dataset:
Numerical simulation of water droplet impact test on aircraft wing structure
Authors: Manigandan S. , Dineshkumar  , Ramanathan Muthiaya , Gunasekar P. , Devipriya J. , Nithya S. , Gokulnath R.
Published: August 2019

The three-dimensional simulation is carried out to study the collision dynamics of the water droplets impinging on the aircraft structures at higher velocities. The composite wing made of hybrid fiber of combination, Kevlar-Glass with nanocomposite graphene (5 sheets of kevlar and 3 Sheets of glass). Meanwhile, the fibers are fabricated using vacuum bagging process. In addition to the epoxy, the catalyst and the nanoparticle added to the resin to increase the strength of the laminates. The water droplet model is designed using Smoothed-particle hydrodynamics (SPH) modelling with the aid of Navier Stokes equation. Furthermore, the water is impinged using an elliptical spray nozzle at a constant height of 100m. For feasibility, the small part of the composite wing structure is exposed to the impact of water droplet at different velocity ranges from 0 to 40m/s. Subsequently, the behaviour of the droplet is studied for three various crosswind effects of 15m/s and 25m/s. From the results, it is clear that the stress and strain are depending on the impact velocity of the droplets. On the contrary, the damage is very little which does not cause any deformation or failure of the structure of the airplane. The numerical observations results are in reasonable and acceptable.
A robust numerical scheme for transcritical flow simulation in a Braided river
Authors: Kumar Sarma Arup , Baruah Anupal J
Published: August 2019

Flow simulation over a braided channel is a challenging task as in the monsoon season flow moves over an undulating bed while as in non-monsoon season or in lean period it moves through several sub-channel. Therefore a more robust scheme is necessary for simulating such kind flow particularly when transcritical flow occurs in river reach. Shallow water equations can be derived by depth integration of the Navier Stokes equation and assuming hydrostatic pressure distribution. These equations are basically based upon the conservation of mass and momentum approach. Shallow water equations are a set of a first-order nonlinear hyperbolic partial differential equation and do not have closed form of analytical solution without considering a large number of approximation because of which these equation needs to be solved by different numerical techniques like finite difference, finite element, and finite volume. The hyperbolic nature of the equations results in a generation of numerical dispersion in the solution domain because of which proper shock capturing methods need to be implemented along with the scheme. The presence of bed slope term in the governing equations causes some difficulty to apply them in complex bathymetry. Researchers have modified the original form of governing equations so that these equations can be implemented in a complex topography with proper mass conservation. In this paper, the modified form of the 2D governing equation is combined with the proper shock capturing technique to investigate the applicability of the scheme in complex bathymetry. This scheme is used as an integral part of BRAHMA model (Braided River Aid: Hydro-Morphological Analyser) developed by IIT-Guwahati in collaboration with Brahmaputra Board. Governing equations solved by Mac Cormack predictor-corrector scheme and the scheme has been tested with some classical problem including dam break, quiescent water above an irregular bed, steady flow over an irregular bed, transcritical flow over a bump etc. For each test case numerical results are compared with the analytical result and found satisfactory.
Suitability of pineapple leaf fiber for the reduction of noise in aircraft power plants
Authors: Manigandan S. , Ramanathan Muthiaya , kumar Dinesh , Nithya S. , Gunasekar P. , Devipriya J.
Published: August 2019

The application of natural fiber replacing metals is growing rapidly. Among the various natural fibers pineapple leaf fiber gaining the attention of pioneers due to its high strength and deformation resistance. This paper studies the effect of pineapple fiber when the mixed with graphene nanocomposites for the aerospace applications. Pineapple leaf fibre (PLF) is well-known natural fiber for its rich cellulose content. Moreover, this paper studies the topological properties of Pineapple leaf graphene fiber. Additionally the noise and vibration absorption capacity of the fiber also calibrated. During the operation of aircraft power plant the unwanted acoustic noise generated by the aircraft is massive. Usually, these noises are not absorbed by metal bodies. These unwanted noises will aid passenger discomfort. The test relieves the homogenous pineapple fiber doesn’t show a profound effect in absorbing the noise and vibration. This drawback is overcome by adding nanoparticle graphene. The graphene is mixed with epoxy in three varies in proportions 3%, 4% and 8% to form tested specimen P3, P4 and P8. From the results, it is clear that P8 shows an intense effect in the increase of strength to weight noise and the noise characteristics nearly 18% compared to other fibers.
Study of Heat Conduction inside Rolling Calender Nip for Different Roll Temperatures
Authors: Gupta Neelam , Kanth Neel
Published: August 2019

Calendering is a smoothening process at the final stage in textile industry, where fabric passes through the nips formed by two or more rolls in contact. The material used for making of rolls varies for different types of calenders. Depending on the quality of fabric required these rolls are hard or soft and can be heated to certain temperature, using induction process, hot water passage or heated oil passage inside the rolls. In rolling calendering process, fabric is pressed between two or more rolls, where nip is formed by the combination of alternate hard and soft rolls. In this paper effect of roll temperature and bonding time on fabric temperature has been discussed using single nip rolling calender, when fabric is inside the calender nip formed by hard and soft rolls having different temperatures using one dimensional unsteady state heat conduction equation.
Parametric study and efficiency optimization of the solar coupled hybrid micro gas turbine power plant for high altitude flight.
Authors: Thomas Jayachandran A V , Gangisetty G , Tkachenko A , Rybakov Viktor
Published: August 2019

The performance and feasibility study of a hybrid system designed by combining solar micro gas turbine for power generation process during high altitude flight were explored. The high altitude flight could be defined as long duration stratosphere balloon. Payloads in this high altitude balloon flight could be remote sensing satellites or communication satellites which require a continuous high-density power supply that cannot be provided by solar panels. To reduce greenhouse gas emission, the hybrid method was chosen and studied for its effectiveness in a gas turbine power plant. A thermodynamic cycle analysis for high altitude gas turbine power generator was analyzed along with various power conversion systems and recuperator placement configurations were investigated. The working parameters such as Overall Pressure Ratio and Turbine inlet temperature was investigated with the thermo gas dynamic calculation for designing an optimized power plant. Parametric optimization for determining the realistic and practical combination of recuperators for improving the specific fuel consumption and overall efficiency of the Micro gas turbine power plant was performed. The recuperators could be positioned either in the exhaust of a high-pressure turbine or at the exhaust of the free turbine. The recuperator position and heat extraction are explored and the resulting data depicts the recuperator surface area increases the effectiveness thus the fuel consumption decreases but the recuperator increases the overall mass and volume of the power plant size. A comprisable trade-off was made between the recuperator performance and its size and the results are optimized for high overall efficiency of the power plant. A short trade-off between the selected system and existing systems were made. The system performance, Efficiency optimization and the component size and weight characteristics were performed to deliver maximum payload capabilities.
Thermal Testing of Wax Layer Thickness in Crude Oil Pipeline
Authors: Alnaimat Fadi , Mathew Bobby , Ziauddin Mohammed
Published: August 2019

This article investigates thermal detection method for wax layer thickness inside pipeline. Crude oil temperature decreases as it flows through pipeline and this causes the wax to precipitate out of solution. Wax deposition increases the viscosity significantly near the wall as it solidifies. The proposed method of thermal wax testing of different operating conditions is investigated through this research. In order to determine the layer thickness using fluid and heat transfer analysis and obtain velocity and temperature distributions, mathematical modelling is achieved. The effect of different layer thicknesses on temperature and flow characteristic such as velocity and pressure distribution are examined in this study. The method is examined for different Reynold numbers and flow characteristic and wax thickness are examined. The proposed method is expected to be accurate, efficient and cost effective for online testing of wax layer thickness which find immediate utility in oil and gas operation.
Passive Heating and Cooling Potential Strategies: A Comparison between Moderate Summers and Warm Winters Climate Zones
Authors: Alhamad Issah M. , AlSaleem Moamin , Taleb Hanan
Published: August 2019

In this work, a comparison between different potential natural ventilation strategies used in different climate zones are investigated. As an example of moderate summer climate zone, London city has been selected, while Dubai city has been selected as a warm winter climate zone. The influence of external wind speed and pressure was studied using Autodesk Flow Design Software. Then CFD simulations have been generated inside the building using IES Virtual Environment software to study the indoor ventilation (Micro-Flow analysis) and to demonstrate the success of the adopted potential strategies in enhancing the indoor climate conditions. Hourly Analysis Program (HAP) was used to calculate the cooling/heating load of the building and to check the energy savings. The results demonstrated that comfort conditions within the interior space of the building were met during certain months of the year using passive heating/cooling strategies alone (without the need of HVAC system). HAP energy modeling results showed that the annual space cooling for Dubai model dropped from almost 58,000 kW per year to almost 42,000 kW with a total energy savings of 18.6% (including all energy consumption parameters). On the other hand, London model results showed that the annual interior space heating dropped from almost 36,000 kW to almost 28,000 kW with a total energy savings of 16.4%.
Passive solar design for energy efficiency in buildings in composite climate
Authors: Charde M , Gupta R , Vemuri A , Kheterpal A , Bhati S
Published: August 2019

Renewable energy sources offer an unlimited supply of energy. Solar energy can be utilized to supplement energy needs of a building either passively or actively. It is feasible to reduce consumption of energy usage for heating, cooling and lighting requirements of a building by adopting a climate sensitive approach for design of building elements like static sunshade, wall and roof. To study the effect of passive building elements in composite climate zone, four rooms were designed with a different combination of type of static sunshade, wall and roof. The static sunshade and brick cavity wall with brick projections were designed using sunpath diagram and shadow angles. Air cavity was introduced in the reinforced cement concrete (RCC) roof by laying hollow stoneware pipes. This paper presents theoretical and simulation studies to compare thermal performance of the four rooms. Theoretically, the four rooms were compared by steady state method based on total heat load in every month and on representative days in different seasons throughout the year. The extreme and most frequently occurring temperature values (mode) in every season were identified by obtaining the frequency distribution of the outdoor air temperature with the software SPSS Statistics (IBM Corp. 2012). Results showed that room with designed passive elements gained minimum heat in summer and moderate summer, while it lost minimum heat in winter and moderate winter. This shows the effectiveness of the designed passive elements in insulating the room interiors from the extreme climatic conditions. The rooms were also simulated using software Autodesk Ecotect Analysis 2011 and their performance was compared on a typical day in each month. Results showed that this software can be helpful for preliminary design to get an idea about the room performance that can help to create thermally comfortable indoor environment for the well being of occupants.
Gasification of powdered coal in filtration regime with a super adiabatic heating
Authors: Zaichenko A.Yu. , Podlesniy D.N. , Salganskaya M.V. , Tsvetkov M.V. , Salgansky E.A.
Published: August 2019

A new method is proposed for gasification of a powdered coal in filtration regime with superadiabatic heating. The fuel is supplied suspended with the flow of oxidant gas, whereas the gas flow filters through a porous bed of large particles making a heat recovery medium. Owing to the heat exchange between countercurrent solid and gas flows part of the heat is recuperated and transferred from the products to the reaction zone. The heat accumulation in a relatively narrow combustion zone can result in the temperature within the combustion front substantially higher than the adiabatic temperature calculated for the initial temperature of the reactants being that ambient and the heat of the reaction is evenly distributed over the products.
Atomic and molecular spectral line shapes in laboratory and selected astrophysical plasma
Authors: Parigger C G , Helstern C M , Gautam G , Drake K A
Published: August 2019

This work elaborates on laboratory measurements of hydrogen Balmer series lines and diatomic molecular species in laser-plasma. Comparisons with astrophysical white dwarf spectra, recorded at various observatories and the Hubble space telescope, point out direct applications of experimental results. The recorded general relativity gravitational- or Einstein-shift of the atomic lines allows one to infer the ratio of mass and radius. The Stark-effect redshifts of hydrogen alpha and hydrogen beta lines investigated with time-resolved emission spectroscopy are usually one order of magnitude larger than the gravitational shift. In view of white dwarf atmospheres dominated by hydrogen and the associated absorption spectra, averaging the laser-induced plasma data reveals spectral line shapes that mask the redshift caused by the Stark effect. The available white dwarf data indicate that the collected radiation propagated through regions of different density in the star’s atmosphere. Diatomic spectra are typically recorded as white dwarfs further progress in their transformation.
Spectral line shape and angular momentum
Authors: Barton D , Williams JF , Samarin S
Published: August 2019

Data have been obtained for ejection of valence shell 4p and 3d electrons in krypton and the 1t2 and 2a1 orbitals in methane. Measurements, with kinematics both on and off the Bethe ridge, examine how the spectral shapes change for fixed energies of 1015 eV for the incident electron, 880 eV for scattered and 120 eV for ejected electron and angular momentum changes. The studied interactions are activated by excitation and ionization of inner shell (-d) electrons and concern complex electron correlations. The triple differential cross sections for the Bethe ridge conditions within the experimental accuracy are similar to the values predicted by the Distorted Wave Impulse Approximation and Born Approximation calculations but need further consideration of electron correlation effects.
The probabilities of the ν′1(3P1)–ν″0(1S1) transitions and radiative lifetimes of the ν′1(3P1) states of cdAr molecules
Authors: Alekseeva O S , Devdariani A Z , Lednev M G , Zagrebin A L
Published: August 2019

The probabilities of the radiative transitions ν′1(3
P
1)–ν″0(1
S
1) and the radiative lifetimes of the resonant ν′1(3
P
1) states of the CdAr molecules as functions of the vibrational excitation degree were calculated using the effective Hamiltonian method and the semiempirical method of quasi-molecular term analysis.
Line-shape parameters for pure rotational Raman lines of D2 in He
Authors: Martínez Raúl Z. , Bermejo Dionisio , Thibault Franck , Wcisło Piotr
Published: August 2019

We review our recent experimental and theoretical studies on the spectral line shapes of D2 in helium baths. We also provide the most accurate to date experimental line positions of the first pure rotational Stokes lines, S0(j=0-2), of D2.
Ab-initio studies of few photon ionisation of helium
Authors: Katravulapally Tejaswi
Published: August 2019

In this work, an ab-initio method is used to study few-photon ionisation of helium with linearly and circularly polarized light. The photoionization cross sections are estimated from the ionization yields calculated by directly propagating the time-dependent Schrödinger equation (TDSE) and are compared with those obtained from the lowest-order (non-vanishing) perturbation theory (LOPT). The results show a clear deviation of the TDSE yields from those of the LOPT as well as the dominance of the linearly-polarized ionization yields over the circularly polarized ones, towards higher field intensities.
Intensity-dependent near-threshold ionization of Kr in the vacuum-uv
Authors: Varvarezos Lazaros , John T Costello , Duesterer Stefan , Bomme Cedric , Erk Benjamin , Hartmann Gregor , Rompotis Dimitrios , Manschwetus Bastian , Savelyev Evgeny , De Fanis Alberto , Meyer Michael , Mazza Tommaso , Kabachnik Nikolay , Johnsson Per , Kazansky Andrey , Kelly Mossy
Published: August 2019

In this work, we present measurements of the intensity-dependent photoelectron spectrum of Kr irradiated by the FLASH FEL tuned to a photon energy of 25.8 eV. Intensity dependent photoelectron spectra were obtained with the aid of a Velocity Map Imaging (VMI) spectrometer. As the FEL photon energy is close to threshold, two photon sequential double ionization is favoured. The number of open channels is kept to a minimum and leading to a simple description of the process.
Laser-Induced Plasma Analysis for Surrogate Nuclear Debris
Authors: Shattan M B , Auxier J D , Stowe A C , Parigger C G
Published: August 2019

This work identifies analytical lines in laser-induced plasma for chemical analyses of major elements found in surrogate nuclear debris. These lines are evaluated for interferences and signal strength to insure they would be useful to measure relative concentrations. Compact, portable instruments are employed and can be included as part of a mobile nuclear forensics laboratory for field screening of nuclear debris and contamination. The average plasma temperature is measured using the well-established Boltzmann plot technique, and plasma’s average electron density is determined using empirical formulae based on Stark broadening of the H-alpha line. These measurements suggest existence of partial local thermal equilibrium.
A compact Fourier transform spectrometer with no moving parts for laser induced breakdown spectroscopy
Authors: Davitt S J , Costello J T , Kelly T J
Published: August 2019

We report the development of a portable single-shot Fourier transform spectrometer for application in laser induced breakdown spectroscopy (LIBS) with a particular emphasis on remote or standoff LIBS. The device, based on a design by Harvey and Padgett[1], has a number of inherent features that give it performance advantages over a portable grating spectrometer, in particular a gain in signal to noise ratio (SNR). Tests with low-pressure discharge lamps show a gain in SNR of at least five times that of a traditional portable grating spectrometer in stand-off mode. In addition, the instrument has also demonstrated the ability to measure the spectrum from a short or ultrashort pulsed source in a single shot, e.g. a laser produced plasma.
Technological culture of future engineers in the context of modern socio-economic development of the society
Authors: Rubtsova Elena , Bogolyubova Irina , Starodubtseva Galina , Lyubaya Svetlana
Published: August 2019

At present, the technological stage of the development of society is intended to establish the priority of the method over the result of activity. Therefore, society needs a comprehensive approach to the choice of intellectual and material ways of its activities from the mass of alternative options and to the evaluation of its results. In this vein, technological culture is a value aspect of modern and future education. It is characterized by multidimensionality, creative character and includes not only production, but also sociocultural aspects. Technological culture includes such personal qualities of a person, which allow technologically competently to solve any problems from the fields of activity of the engineer. In addition, creative solutions of social and economic problems depend on the degree of formation of character and qualities that characterize the future orientation of the personality of future specialists. Therefore, technical universities are faced with the task of developing the qualifications of university graduates in the professional sphere, creating conditions for the development of such personal qualities as creative self-development, humanitarian and technical outlook, intellectual maturity, responsibility. In the existing practice of teaching specialized technical disciplines, the process of introducing the fundamentals of technological culture, unfortunately, is sometimes very difficult. In these cases, it is necessary to overcome the inertia of technocratic thinking and the lack of understanding of the importance of the idea of developing a technological culture and the personal properties and qualities that are significant for it.
Technological approach to environmental greening of large cities
Authors: Smirnov N A , Smirnov R A , Vasilieva L A , Shuvarin M V
Published: August 2019

The relevance of this article is due to the fact that the improvement and greening of large cities is the most important sphere of activity of the municipal economy. It is in this area that the conditions are created for the population, which provides a high standard of living. Thus, conditions are created for a healthy, comfortable, comfortable life for an individual at the place of residence, and for a larger mass of residents of the city, district, quarter, micro district. When carrying out a set of measures, they can significantly improve the environmental condition and appearance of cities and towns; create more comfortable microclimatic, sanitary and aesthetic conditions on the streets, in residential apartments, public places (parks, boulevards, squares, etc.). The implementation of the project proposed in the article will allow the self-government bodies and housing and communal services to improve the efficiency of works on urban greening, to provide an opportunity for agricultural organizations and horticultural farms to carry out work on tree transplanting and land cultivation using an accessible (mobile) unit.
Reverse priority mechanisms in allocation of resources
Authors: Rossikhina L V , Kalach A V , Borsuchenko S A , Golovkin R B , Mamedov S N
Published: August 2019

The paper describes a problem of allocation of a limited resource under the conditions of probabilistic indeterminacy as related to the quantity of resource allocated. The active system consists of the Center and consumers (agents). The Center has a resource being allocated among the consumers based on their requests. When requests are announced, the consumers have information only on the function of allocation of resource being allocated by the Center. The priority mechanisms of resource allocation based on the reverse priority principle (the priority function is a decreasing request function) are studied for a deterministic case when the amount of resource available at the Center is known by the consumers as well as under the conditions of probabilistic indeterminacy. Nash Equilibria are determined for different priority functions provided the objective functions of consumers increase monotonically in relation to the resource quantity. A business game is proposed to study the mechanism of reverse priorities in resource allocation problems (deterministic and probabilistic cases). Informal and formal descriptions of games are included. Gaming algorithm is proposed. The results of experiments are presented for deterministic and probabilistic cases with different priority functions, which confirm the key theoretical conclusions.
The restoration of the friction surfaces by laser cladding
Authors: Alisin V V , Roshchin M N
Published: August 2019

The paper deals with laser cladding of wear-resistant coatings for restoring friction surfaces. It describes the modes of cladding technological process, and presents the results of wear tests. Wear-resistant coating based on the Ni-Cr-B-Si and alumina system, which exceeds 30HGSA steel by 11.5 times by wear resistance.
Physical characteristics of the seeds layer and estimation of the degree of the activator volume
Authors: Rubtsova Elena , Starodubtseva Galina , Vanina Anna , Lyubaya Svetlana
Published: August 2019

Analysis of the results of scientific research suggests that the authors used small volumes of the seed layer to study the effect of an electric field on the seeds. The electrical parameters of the seed layer in a small-sized activator allowed the authors to freely operate with a wide range of impact signals. When switching to the industrial level in the activator, a large volume of a layer of seeds is processed. The actual electrical parameters of the power source, activator, and seed layer limit the range of electrical parameters of possible effects. Therefore, for the industrial development of these electrical technologies, it is necessary to adjust the previously determined parameters of the seed treatment modes. The positive effect of the electric field on the seeds is due to the quantitatively dosed energy impact. However, the assessment of the impact on any one of the electrical parameters (electric field intensity, frequency, etc.) is insufficient. The cause is non-uniform processing of the seed layer. The rational thickness of the seed layer and its maximum compaction in the volume of the activator make it possible to create a uniform electric field strength of the required size and, as a result, an appropriate dose of exposure to increase the sowing qualities of the seeds. For the formation of electrical parameters and the description of the processes occurring in the activator in the presence of a moving seed layer, it is necessary to take into account a number of factors. One of the important factors is the structure of the seeds of plants. The structural and functional unit of a seed is a cell that has, in addition to its biological, chemical properties, a number of physical characteristics. The heterogeneity of the composite components of different seed mass determines its physical properties. These features are also taken into account when developing technological schemes for the operation of an activator with a moving layer.
Features of the development stability of tree plantations of large city industrial zones
Authors: Korotchenko I S , Pervyshina G G , Romanova O V , Alekseeva A N , Medvedeva V A
Published: August 2019

Expansion of urbanized areas and activity of technogenic systems led to the emergence and operation of a set of environmental factors that determine the flow of life processes in new conditions. Under the influence of anthropogenic factors including man-made (industry, energy, transport) and economic activities (construction, utilities, recreational load) in the environment, a number of environmental problems arise and develop, aggravated by unfavourable weather conditions for dispersion of harmful impurities in the air, which is especially important for Krasnoyarsk city. Biological monitoring is necessary to assess the environmental consequences of human impact, to ensure the necessary level of environmental quality and the environmental safety of the urban environment. Recently, researchers have been analysing the degree of impact of environmental factors through developmental sustainability (fluctuating asymmetry). This paper shows an assessment of the stability of the development of tree plantations growing in the zone of influence of an aluminium plant and heat and power engineering enterprises. For the study the most common tree species were selected, which are widely used for landscaping cities: apple berry, wild cherry, balsam poplar, elm squat. The representativeness of the data obtained is confirmed by appropriate statistical processing. Morphometric indicators of the lamina (j3, j4, j5) of apple and berry apple trees sensitive to negative environmental factors, intensified under the influence of emissions from an aluminum plant, are revealed. An identical response of indicator species belonging to the same family was found.
Modern condition and development of the specialized enterprises – rape producers
Authors: Cherednichenko Olena , Bal-Prylypko Larysa
Published: August 2019

The article deals with modern condition and development of specialized enterprises in Ukraine, which are engaged in the cultivation of rapeseed. On the basis of the analysis carried out, factors influencing the production and sale of these products were identified. The influence of specialization on the performance indicators of agricultural enterprises is considered. The article attracts attention to the problems of growing industrial crops and their influence on the soil in Ukraine. The development of specialized enterprises - producers of rapeseed in Ukraine requires the intensification of crop production, development and optimization of the relationship of farms with the processing industry of the agro-industrial complex, improvement of the price mechanism of formation of the market of raw materials.
Development of evaluation model effectiveness of modern technologies in crop production
Authors: Zhichkin K , Nosov V , Zhichkina L , Dibrova Zh , Cherepova T
Published: August 2019

Effectiveness assessment of modern technologies and machines introduction is one of the most important economic objectives in agricultural production. The purpose of this paper is to develop a formalized effectiveness evaluation system of introduction of modern technologies and machines in crop production. This system is based on the use of modern software for creation of crop production process flow diagrams, business planning, and optimization of machines and technologies parameters. It is proposed to formulate the process of economic effectiveness evaluation of new technologies in crop production as a permanent operating three-stage indiscrete cyclic model for a particular industry, facility, district or region. In the first stage of calculations income and expenses staggered over a period of time and obtained through the new technologies or more modern tools are defined, using detailed process flow diagrams, fodder balance and other estimation forms. During the second stage project success criteria are determined by calculation of stability analysis and evaluation of feasibility and effectiveness of new technologies. Finally, in the third stage it is necessary to solve a task of introduced technologies parameters adaptation and optimization. The effectiveness evaluation system of introduction of modern technologies and machines in crop production, proposed in this paper, allows for quicker decision making regarding reasonability of replacing machines and technologies with new ones.
Mining production negative impacts on the environment in Baikal natural territory
Authors: Eltoshkina N V , Yundunov H I
Published: August 2019

Mining production impact factors on the state of the natural environment are diverse and complex. However, environmental and social consequences are even more complex. They represent a great danger, since they can cause irreversible processes. Therefore, taking into account the factors and consequences of the impact of this large resource-exploiting area of material production is extremely important for predicting the effects of technogenesis associated with the development of the subsoil, for taking measures to prevent the growing influence on the state of natural complexes both in the areas of natural-technical geosystems and at the level of the entire region.
The yield structure elements variation of spring wheat variety “Novosibirskaya 31” at various farming levels
Authors: Keler V V , Martynova O V
Published: August 2019

The article describes the results of various pesticides using and pre-sowing application of nitrogen fertilizers for the planned yield for the zoned variety of soft spring wheat «Novosibirskaya 31» in the forest-steppe of the Krasnoyarsk territory. It was found that the number of plants surviving for harvesting and productive tillering had the best reaction to the using of fertilizers and pesticides from the elements of the crop structure in spring wheat. The maximum average yield increase was observed when wheat was sown on the fertilized background using a full range of pesticides, the minimum – on the fallow.
Dynamic modeling of process support by the influence of various factors on the activities of firms in a competitive environment
Authors: Zaitseva I V , Malafeyev O A , Sychev S A , Kolesov D N , Smirnova T E
Published: August 2019

The paper builds and explores a dynamic model of a company’s development under the influence of both negative and positive factors in a competitive environment. It is assumed that the head of the company is interested in obtaining the maximum profit from his company in a finite period of time and, acting on the basis of his interests, wants to find the optimal strategy. The task of finding the optimal policy for maximum profit is considered. Labor resources are considered as positive factors in the competitive environment.
Development of histological methods for detection of carrageenan in yoghurt
Authors: Reznichenko L V , Nikolenko E N , Noskov S B , Reznichenko A A
Published: August 2019

Currently, in the market of fermented milk products there are various types of adulteration, which, as known, result in the low nutritional and biological product value and can be potentially dangerous to human health. Yoghurt is often exposed to adulteration; it is in great demand at consumers. Our work objective was the development of histological methods for the detection of carrageenan in yoghurt. As a result of the studies conducted, a histological method was developed for the first time, which can help to detect to high precision the unacceptable additive carrageenan in yoghurt. That way, the developed method allows to detect the adulteration of yoghurt.
The state of dairy cattle breeding and clustering of municipal entities of the Krasnoyarsk Territory by the level of industry development
Authors: Gorodov A A , Fedorova M A , Yu Gavrilova O
Published: August 2019

The concept of sustainable agriculture is one of the directions of the state’s national security strategy, which is determined by economic, social, environmental and political factors. Sustainable development of the region directly affects the sustainable development of the state, and sustainable development of the region; in its turn it directly depends on the sustainable development of individual industries, among which dairy cattle breeding is the leading one. The total milk production in Russia as a whole in farms of all categories reached a record high of 31.5 million tons (+2.5% in the country and +2.6% in the Krasnoyarsk Territory). However, the annual milk consumption per capita in 2017 in the Russian Federation was 233 kg, in the Krasnoyarsk Territory it was a little less than this Russian indicator (231 kg, which is 71% lower than 325 kg which is the standard recommended by the Ministry of Health of the Russian Federation), which indicates a low level of milk self-sufficiency. The level of the country’s milk production development is determined by the production state in its regions, which in turn depends on their territorial location, climatic conditions, natural-historical features of the territories, etc. Since a large number of enterprises is involved in milk production in the region, production should be considered in the context of municipal districts, which makes it possible to identify the most promising clusters from the standpoint of the production potential formation of the dairy cattle breeding industry in the Krasnoyarsk Territory.
Improvement of meat storage technology as a factor in increasing the efficiency of the development of the agro-industrial complex
Authors: Nogina A A , Tikhonov S L , Tikhonova N V , Diachkova A V
Published: August 2019

The formula for a membrane solution with antioxidant and antimicrobial spectrum has been developed. 4% of agar agar, and 2% of glycerol were used as the main ingredients of the membrane solution, 1% of food additive arabinogalactan (E 409) was used as an antioxidant, and 0.02% of antibiotic nisin was used as an antimicrobial agent. These ingredients were diluted with distilled water to 100%. Addition to the basic formula of the membrane arabinogalactan makes it possible to increase strength and elongation. The biodegradability of the membrane when placed in a 0.5% solution of hydrochloric acid, containing all the enzymes of gastric juice was 25.4 minutes. It was found that samples of chilled meat packed in the developed membrane after 10 days of refrigerated storage corresponded to fresh organoleptic, physicochemical and microbiological indicators. Acid and peroxide numbers of fat samples were within normal limits. As a result, it was revealed that the packaging of chilled meat in the developed membranes helps prevent microbial and oxidative damage to the product, which allows positioning it for implementation in the agro-industrial complex.
Immunohistochemical diagnostics of porcine reproductive and respiratory syndrome
Authors: Stafford V V , Yuzhakov A G , Raev S A , Alekseev K P , Kostina L V , Streltsova Ya B , Zaberezhniy A D , Aliper T I
Published: August 2019

For the diagnostics of porcine reproductive and respiratory syndrome the method of immunohistochemical identification of the virus antigen inorgans and tissues was applied, which provides the reliability of the diagnosis of the disease and confirm the tropism of the virus to cells and tissues of pigs organs. The research was conducted based on own monoclonal antibodies to the virus nucleocapsid protein on experimentally infected pigs, and also on animals during the outbreaks of the disease in pig farms. The results of the immunohistochemical study during experimental infection of pigs with the PRRS virus indicate that the main pathological changes are localized in the lungs and bronchial lymph nodes, followed by accumulation of the virus in the alveolar macrophages and bronchial lymph nodes. The changes detected in other parenchymal organs are not associated with the accumulation of virus in them.
The use of Brassica napus L. in soft drink production
Authors: Golub O V , Miller Yu Yu , Bakaitis V I , Yu Glebova S
Published: August 2019

One of the forms of agribusiness development is the use of local raw materials. Swede is an unconventional raw material resource that has a number of valuable nutrients. The paper shows the possibility of using swede, growing in the Novosibirsk region, in the production of purees and soft drinks for the first time. In solving the tasks assigned, generally accepted research methods were used. As a basis, it is proposed to produce root vegetable purees, which consist of the following main stages: preparation of ingredients (washing, inspection, blanching, cleaning, washing, grinding), processing in an apparatus under the influence of an acoustic field, packing, cooling, storage. Based on organoleptic studies, a soft drink formulation has been developed, consisting of rutabaga, 20% sugar syrup, low esterified pectin and citric acid. Studies of the quality characteristics allowed us to establish the shelf life of the drink within 9 months from the date of production. Regulated requirements for organoleptic and physico-chemical parameters, food and energy values have been established for the developed products.
Production and processing of oilseed crops – a strategic agro-industrial complex development vector of the Krasnoyarsk territory
Authors: Chepeleva K V , Shmeleva Zh N
Published: August 2019

The article presents the research results on the world and domestic market of oilseed crops and products of their processing, reveals regional peculiarities of the Krasnoyarsk territory agro-industrial complex, on the basis of which the strategic guidelines for the industry development in terms of increasing non-oil and gas export potential of the region and the implementation of the food import substitution course are formed. Particular attention is given to the analysis of enterprises engaged in the cultivation of grain, industrial and other crops for compliance with their production capacity in relation to rapeseed and market opportunities for export activities. The integrated industry standard and the regional brand in the category “processed products of oilseed crops” serve as the main strategic vectors of the industry development and will expand the possibilities of diversification of enterprises activities when entering foreign markets. They will serve as a serious methodological basis for the formation of the institute of regional programs to support local products aimed at stimulating demand for domestic food products and improving their quality.
Models of assessment of economic viability (insolvency) of organizations as a tool for their adaptation in poultry
Authors: Akopyan A G , Roiter L M
Published: August 2019

Poultry farming is one of the most developed branches of agriculture, as evidenced by the positive dynamics of the main economic indicators, as well as the growth of innovative potential. However, over time, it became obvious that the economic entities of the industry are differentiated in terms of efficiency into solvent and insolvent. This division is measured on the basis of financial condition and the ability to consistently repay its obligations. Previously, the problems of a financial capacity assessment were not of interest to financial analysts. In this regard, a study of the basic models of economic viability (insolvency) was conducted for further use in the industry.
Economics of spring wheat production in the Middle Volga
Authors: Bakaeva N P , Saltykova O L , Yu Korzhavina N , Prikazchikov M S
Published: August 2019

In order to identify the economic and energetic efficiency of the applied agricultural technologies of spring soft wheat by productivity in the conditions of the Middle Volga region, the influence of the main tillage methods was studied: plowing at 20-22 cm, loosening at 10-12 cm and without autumn mechanical processing, on yield, protein content and gluten fractions in wheat grain obtained without fertilizer and on the background of fertilizer application when sowing in N60P60K6 dose. On average, over the years of research, the yield of spring wheat for plowing and loosening the soil with the use of fertilizers was higher compared with the variant without autumn mechanical tillage. The content of protein in the grain with the application of fertilizers increased by 5.2-5.8% in comparison with the uncomfortable background. The protein content was maximum for plowing - 13.26%, medium - when loosening - 12.66%, and what was higher by 6 and 2%, respectively, with the option without autumn mechanical tillage. At the same time, the amount of gluten fractions was also the highest in plowing - 8.70% and loosening - 8.01%. Calculations of economic and energy efficiency showed that with loosening of the soil and without its autumn mechanical processing, profitability was the highest, 79 and 75% respectively against the background without fertilizer and 70% with fertilizer. The most energy-efficient option has been without autumn mechanical tillage with the use of fertilizers. The highest energy effect of spring wheat cultivation is confirmed by the lowest coefficient of protein intensity, equal to 5.96.
Assessment of the seed safety indicators from oilseed cruciferous crops in the organization of complex processing technology
Authors: Smolnikova Ya V , Yanova M A , Bopp V L , Olentsova J A
Published: August 2019

For the organization of complex processing technology of oilseed cruciferous crops in the Siberian region varieties of spring rapeseed (Brassica napus), spring ginger (Camelina sativa) and white mustard (Sinapis alba) were investigated. The short characteristics of rapeseed, ginger and mustard varieties promising for cultivation in agro-climatic conditions of the Krasnoyarsk region are given. Safety indicators were evaluated, concentrations of toxic elements, mycotoxins, benzopyrene of pesticides, radionuclides in grain were determined. It is established that the studied varieties of cruciferous meet the safety requirements in accordance with the Technical regulations of the Customs Union TR CU 015/2011 for all analyzed indicators.
Air pollution problems of a Russian Federation region and ways of their solution
Authors: Ivanova N G , Shcheblyakov E S , Litvinova A G , Antoshechkina G K
Published: August 2019

The paper deals with the problem of air pollution in one of the biggest regions of the Russian Federation which is Krasnoyarsk Territory. It is noted that the atmospheric air in the cities of the region is very polluted. The paper proposes measures to be taken to maintain an appropriate state of the environment.
System approach to the creation of Siberian brands on the example of adaptogenic drinks from local plant materials
Authors: Demakova E A , Dojko I V , Krotova I V , Glotova M V , Rybakova G R
Published: August 2019

The subject of the article is to justify the prospects of using a systematic approach to creating a regional brand. The productivity of this approach is due to the fact that the process of designing a regional brand product as a system is characterized by the presence of a specific set of system-generating, system-forming and system-dependent factors. Their analysis is presented in this article. Features of the application of a systematic approach to the management of the range and quality of innovative products is shown by the authors in relation to the life cycle of products based on vegetable food raw materials with biologically significant active principles.
Development of a differential diagnostic nutrient medium for the express diagnosis of animal dermatophytosis
Authors: Savinov V A , Ovchinnikov R S , Kapustin A V , Laishevtcev A I , Gulykin A M
Published: August 2019

The aim of the study was to develop a differential diagnostic nutrient medium for the rapid diagnosis of animal dermatophytosis. Abroad, for these purposes, environments such as Dermatophyte Test Medium (DTM) are successfully used, but in Russia such diagnostics has not been developed. As a result of our research, we selected the optimal composition of the nutrient medium, including growth and selective supplements. DTM-Expert, a developed domestic environment for growth, indicator and selective properties, was not inferior to foreign analogues, while it was much cheaper and more ergonomic in use. The widespread introduction of the developed DTM-Expert environment will significantly simplify the diagnosis of dermatophytosis and increase its effectiveness. Also, DTM-Expert can be used to monitor the latent micronization in animals that have no clinical signs of dermatophytosis.