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Submit scientific paper, scientific publications, International Research Journal | Meždunarodnyj naučno-issledovatel’skij žurnal

ENGINEERING

ISSN 2227-6017 (ONLINE), ISSN 2303-9868 (PRINT), DOI: 10.18454/IRJ.2227-6017
ПИ № ФС 77 - 51217, 16+

PARALLEL TRANSFER OF BINARY COMMUNICATIONS BY LINEAR INDEPENDENT SIGNALS

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The article discusses the parallel transfer of binary messages. Before transmission, the binary message is divided into blocks. Block elements are transmitted simultaneously and transmitted using elementary signals of the same length. Thus, the signals corresponding to the elements of each block completely overlap in time. The specific cost bandwidth, peak factor, and noise immunity of the transmission were analyzed. The use of linearly independent signals in comparison with orthogonal signals allows obtaining acceptable specific costs of the frequency band with a smaller number of elementary signals and, accordingly, a smaller peak factor. However, this deteriorates the noise immunity. The use of orthogonal signals in comparison with linearly independent signals allows obtaining significantly better noise immunity regardless of the number of elementary signals. Orthogonal signals are given which, in comparison with sinusoidal orthogonal signals, make it possible to obtain acceptable unit costs of a frequency band with a smaller number of elementary signals.

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LOSS REDUCTION IN HIGH-QUALITY TECHNOLOGY OF HARVESTING HAY UNDER HIGH-MOISTURE CONDITIONS

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The technology of harvesting hay in rolls is widely used throughout Russia, but it is characterized by increased moisture in the regions of the North-West, therefore, obtaining high-quality grass food is difficult due to frequent short rains and morning dew. This paper discusses the technology of harvesting grass forage for hay with the help of the equipment for drying hay rolls by active ventilation. Studies of nutrient losses during drying in the field and losses during adverse weather are presented in the work.

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HEAT TREATMENT OF 3D PRINTED PRODUCTS FROM PLASTICS

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

This article presents the results of the work aimed at improving the strength of products obtained by 3d prototyping on an experimental 3d printer. It is shown that for these purposes it is advisable to conduct heat treatment of products made of PLA plastic. The conducted studies allowed determining the most efficient heat treatment mode consisting in heating to a temperature of 100 °C holding for an hour and cooling in calm air. It is also shown that the heat treatment of products made of ABS plastic does not lead to an increase in strength characteristics.

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METHODS FOR DEVELOPING A WEB APPLICATION TO STORE DATA ABOUT RELIABILITY

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

At the moment, in the modern world there are increasing requirements for electronic equipment, as it plays an important role in human life. To produce quality systems, it is necessary to correctly determine the reliability of each element of the product, but it may be very difficult to do because of the dispersion of information and in some cases its absence from available sources. The article aims to review the methods of creating a web application that will contain a database with information about the reliability of computer systems and telecommunications equipment.

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USE OF ABSORPTION REFRIGERATING MACHINES FOR THE PRODUCTION OF COLD UNDER CURRENT CONDITIONS

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The aim of the study is to justify the economic feasibility of using absorption refrigerating machines for the production of cold. In this paper, we compared the characteristics of vapour compression plants and absorption machines. An outline of the absorption heat engine and a description of its operation were given. The cost of 1 kWh of cold produced by an absorption heat engine for different types of fuels is calculated.

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THE SELECTION OF PROJECTIONS AND APPLICATION OF CONVENTIONS IN THE COURSE OF ENGINEERING GRAPHICS

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The article discusses the main problems faced by the students of graphic disciplines in a technical university. The authors share unique pedagogical observations about the difficulties encountered by the students when trying to separate the concepts of projection drawing and machine-building. The ways to overcome the difficulty are proposed: Systematization of educational material, ways to interconnect design documentation, methods for identifying the form of parts in drawings, rationale for dimensioning and use of conventions.

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METHODS OF WELL LOCATION PREDICTION

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

This paper presents the method of well location prediction in oil production. The existing types of wells and their purpose are considered. The main characteristics of the edge, marginal and boundary waterflooding are described. On the basis of the studied data, the comparison of the floods was made and the best option of the floodwater system was chosen. After that, various options for well placement were considered and analyzed. Well grid density was calculated, as well as the ratio of the initial recoverable oil reserves to the total number of wells.

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PROSPECTS OF MACHINE TECHNOLOGY DEVELOPMENT IN POTATO PRODUCTION IN THE NORTH-WESTERN REGION OF THE RUSSIAN FEDERATION

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

It is feasible to direct scientific and technical progress in the potato industry to labour saving on the basis of the prerequisites creation and the development of combine harvesting. The article discusses issues of labour saving in machine technology for the production of potatoes aimed at improving the quality and competitiveness of marketable products, as well as the ways of improving the ecological purity of ware potatoes. Improving the competitiveness of marketable products is provided by waste-free pre-sales preparation by means of bringing the quality of marketable potatoes to the level of European standards and processing non-standard portion of the crop of potato products. Environmental friendliness, product purity and environmental safety can be improved with the help of green manure crop introduction into the crop rotation, for example, lupine.

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DEVELOPMENT OF DRUM-ROLLER TUBEROUS ROOT CLEANER

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

IKM-5 washer-chopper is the basic machine in the existing feeding preparation lines for the tuberous root. Increased contamination of the tuberous root, arising from combine harvesting, leads to a decrease in IKM-5 productivity, increased water consumption, and pollution of the workplace. In order to eliminate these drawbacks, it is advisable to use dry-dry cleaning in the processing lines of the root-and-vegetable crops. The experimental system was developed to study the work of the drum-roller cleaner. It allows studying the influence of such factors as drum rotation frequency, roller rotation frequency, and cleaner length on the efficiency of tuberous root cleaning with a drum-roller cleaner. The frequency of rollers rotation is changed by shifting the replacement pulleys on the motor shaft. The working length of the rollers is changed by the system, inside the drum of replaceable cylinders, covering a part of the working surface of the drum.

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ARAMETERIZATION OF FINITE ELEMENT MODEL FOR DETERMINING WIND RESISTANCE OF ANTENNA SYSTEM REFLECTOR

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The article describes the main stages of creating a parameterization finite element model for determining the force effect on a parabolic reflector of a stationary-based antenna system from the oncoming air flow. The process of hydro-gas-dynamic calculation is automated at a variable angle of attack determined by the positioning of the antenna system in space. The paper describes the technology of specifying the input and output variable flows for the implementation of a parameterization finite element calculation.

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APPLICATION OF AIR-OZONE ENVIRONMENT FOR CONSERVATION OF CAULINE FEED

Posted in 2019, ENGINEERING, Issue № 6(84) June 2019 | 0 comments

The authors studied the peculiarities of the influence of the air-ozone environment on the quality indicators of cauline feed during storage. Samples of cauline vegetable feed with humidity of 20%, 24%, and 35% were used in work. Ozone was obtained on the original experimental assembly by the method of barrier discharge. The range of doses studied is from 120 to 25*103 mg*min/m3. Conservation of nutrients was selected as the leading indicators, and the temperature of the samples was selected as indirect indicators. The data obtained in the course of the research indicate the effectiveness of the effect of the air-ozone medium on the cauline feed.

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APPLICATION OF CHEMICAL ENHANCED OIL RECOVERY METHODS

Posted in 2019, ENGINEERING, Issue № 7(85) July 2019 | 0 comments

In this paper, we consider chemical methods for enhancing oil recovery (EOR methods), aimed at increasing the coverage and enhancing oil recovery. The types of modern technologies aimed at the redistribution of filtration flows by injection into the reservoir through injection wells of various modifications of plugging compounds have been identified. The paper also summarizes the experience of applying technologies at the fields and outlines the prospects for their further development and improvement of technologies.

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CONCEPT OF CREATING MODERN HIGH-PRECISE FUEL FLOW METERS FOR ENERGY FACILITIES

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

Improving the accuracy and reducing the cost of measuring fuel consumption on mobile power vehicles is an important task since the fuel consumption measurement error directly affects the accuracy of the comparative analysis of the automotive vehicle test results. In addition, the relevance of the development of high-precision fuel flow meter for internal combustion engines (ICE) is due to the need to assess their fuel efficiency and technical condition in the context of a constant increase in energy prices and increasing environmental requirements for road transport. The article discusses various development trends and concepts for creating high-precision fuel flow meters, the issues of using such flow meters for diagnosing the operation of engines of machine-tractor units, the possibility of their mass production and use on a massive scale.

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OPTIMIZATION OF MODERNIZATION OPTION SELECTION IN LOCAL COMMUNICATION NETWORK

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

Based on the information from literature, the authors made a review of wired broadband access technologies in the last mile section. The main criteria affecting the deployment of the access network are determined in the paper. Taking into account different types of development of the selected object during the modernization of the network infrastructure, the authors identified access technologies that are aimed at increasing the communication bandwidth to improve the quality of services and introduce new services. Taking into account various options for improving the network, they have developed an algorithm, which allows optimizing the process of choosing the option of upgrading a local communication network.

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THE VISCOSITY PROPERTIES OF THE BRINES CONTAINING MILK-PROTEIN MIXTURE «MILANA 100»

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

The using of milk-protein complexes will allow getting a new product for meat processing enterprises with keeping their quality characteristics. The addition of «Milana 100» is envisaged at the brine preparation stage, that means more evenly distribution of all the ingredients of this additive. The optimal amount of the milk-protein complex in the composition of the syringe brine was established, and the dynamic viscosity of the brine was indicated depending on the duration of the technology after preparation.

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ON INTERNAL INFORMATION SECURITY THREATS

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

This article discusses the threats that may violate the basic properties of information – confidentiality, integrity, and availability. Organizational and technological measures to prevent insider (internal) threats to information security are reviewed and classified as well. The measures used in the management of information security to counter the internal threats at each stage of their action – prevention, detection, and response to the emerging threat are also considered in the paper.

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STUDY OF SUPERLONG SINGLE-HOP LINES OPERATION BY THE SIMULATION METHOD

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

Based on the example of a single-hop communication line, 502 km long with a channel speed of 100 Gbit/s described in literature sources, the possibility of constructing an exact model of such a network was investigated in the OptiSystem simulation environment. When building a model of an experimental research network, the characteristics of the elements were calculated, the descriptions for them have not yet been indicated in the literature. A characteristic comparison of the results of the laboratory line and the results of the simulation were also made. According to the results of the comparison, it was found that the selected environment is operable, as well as the profitable for replacing the laboratory implementation of the lines under investigation with computer modeling.

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PROVIDING INFORMATION SECURITY IN SOLITON COMMUNICATION LINES

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

The article deals with the issue of ensuring highly reliable transmission of information over long distances. The author determined the main limitations of the increase in the capacity of fiber-optic communication lines; they are caused by the non-linear effects of the fiber, which are amplified as a result of an increase in the signal power. As a result, there is a decrease in spectral efficiency with an increase in signal power, as well as a decrease in the information transmission distance. The author considered the possibilities of optical solitons in the organization of communication lines. The use of solitons as impulses carrying information provides an increase in spectral efficiency. The main disadvantages of data transmission using solitons are also noted.

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DEVELOPMENT OF FORMALIZED BUSINESS PROCESS DESCRIPTION FOR CONSOLIDATED FUEL AND ENERGY BALANCE FORMATION FOR A STATE GOVERNMENT BODY

Posted in 2019, ENGINEERING, Issue № 5(83) May 2019 | 0 comments

The article presents a business process model for the formation of a consolidated fuel and energy balance. The authors used Unified Modeling Language, (UML) and the EnterpriseArchitect software to build the models. The business process model is presented in the form of a three-level hierarchy. The first level gives the macro steps of the business process, the second stage shows the process steps decomposing the macro steps, and the third level contains the final steps. The model of the specified business process allows to automate and (or) re-engineer business processes of an organization in the future.

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DETERMINATION OF THE HYDRAULIC CHARACTERISTICS OF PDC BITS AND THEIR EFFECT ON DRILLING PERFORMANCE IN CARBONATE AND TERRIGENOUS ROCKS OF EASTERN SIBERIA

Posted in 2019, ENGINEERING, Issue №4(82) April 2019 | 0 comments

The article presents calculations of the hydraulic power of the bit, draw-down, solution flow rate from the bit nozzles, the reactive force acting on the bottom of hydrodynamic jets from PDC bit nozzles in carbonate and terrigenous sections of the Siberian platform. B.I.Mittleman’s reference was used for calculations, and the paper shows how to perform the calculation using field and reference data. Graphic dependences of drilling indices on drilling parameters are given. The technique of carrying out basic slottings to obtain the best drilling conditions and the corresponding drilling indicators are also given. The maximum bit run speed in each slotting is the criterion for drilling bits. PDC bits should be processed to achieve the maximum value of the bit run speed for spudding drilling, which will ensure the minimum time for drilling a well.

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