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Engineering, Energy, Transport AIC

space SCIENTIFIC JOURNALS OF VINNITSA NATIONAL AGRARIAN UNIVERSITY

Issue №: 1(108)

Published: 2020.08.27
DOI: 10.37128/2520-6168-2020-1


Description:
В журналі вирішуються проблеми створення та удосконалення техніки та технологій для сільського господарства, харчових та переробних виробництв, машинобудування, енергетики та транспорту.

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RESEARCH OF THE FUNCTIONING AND OPTIMIZATION PROCESS OF THE STRUCTURAL-TECHNOLOGICAL PARAMETERS

DOI: 10.37128/2520-6168-2020-1-16
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Yaropud Vitaliy - PhD, associate professor of the Department of Agricultural Machines of the Vinnytsia National Agrarian University (3, Solnyshchaya St., Vinnytsia, 21008, Ukraine, e-mail: yaropud@vsau.vin.ua).

Annotation

Domestic and foreign scientists in recent years have performed a considerable amount of scientific research on the biological justification of optimal combinations of microclimate parameters required for the normal development of animals. However, the results of the studies do not allow one to specify the optimal parameters for different species of animals, taking into account their age, sex, weight and level of feeding. While it is possible to specify rather wide limits of change of temperature and relative humidity of air at which productivity is maximum, and technical and economic efficiency is approximately the same.
Providing microclimate regulations in livestock premises is associated with significant costs of electricity and heat, which is about 17% of the producers' costs. To create a microclimate in livestock premises based on the above technological parameters and the analysis of the design features of the recuperators, two design and technological schemes of the three-pipe recuperator, which differ in the directions of movement of air flows, are proposed.
The purpose of the research is to increase the efficiency of the technological process of functioning of the three-pipe recuperator for livestock premises by substantiating its structural and mode parameters. The results of theoretical studies of pneumatic losses in the three-pipe recuperator determined the dependence of pressure and power losses on the length of the air duct of the three-pipe recuperator, the radius of the external duct and the volume flow rate of air.
As a result of theoretical studies, a mathematical model of the heat transfer process in a three-pipe heat exchanger was developed, with condensation in it, which allows to determine the temperature distribution of air flows by its length and its thermal capacity. The results of theoretical studies of the process of heat transfer in the design and technological schemes of a three-pipe recirculator with counter-current and direct-current showed that the counter-current variant is more effective. Optimization of the results of theoretical studies allowed us to determine the dependence of the design parameters of the three-pipe heat exchanger on the volumetric flow rate of air, subject to the highest useful thermal power.

Keywords: climate, premises, recuperator, optimization, parameters.

List of references

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[2]     Lebedyev, P. T. (1998). Hihiyena vyroshchuvannya molodnyaku [Hygiene of growing young animals]. Kolos. [in Ukrainian].
[3]     Yaropud, V. M. (2016). Obgruntuvannya konstruktsiyno-rezhymnykh parametriv teploutylizatora dlya tvarynnytskykh prymishchen [Substantiation of design-mode parameters of heat utilizer for livestock premises]. Avtoreferat dysertatsiyi kandydata tekhnichnykh nauk. Vinnytskyy natsionalnyy ahrarnyy universytet. Vinnytsya. [in Ukrainian].
[4]     Sharohlazov, A. A. (2009). Teploutylizatory v systemakh mikroklimatu tvarynnytskykh i ptakhivnychykh prymishchen [Heat utilizers in microclimate systems of livestock and poultry premises]. Mekhanizatsiya ta elektryfikatsiya silʹsʹkoho hospodarstva, 2. 26–28. [in Ukrainian].
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[6]     Pryshlyak, V. M., Yaropud, V. M. (2015). Optymizatsiya tekhnolohichnykh parametriv teplomasoobminnoho protsesu v teploobminnykakh kontsentrychnoho typu [Optimization of technological parameters of heat and mass transfer process in concentric-type heat exchangers]. Tekhnika, enerhetyka, transport APK: Vseukrayinskyy naukovo-tekhnichnyy zhurnal, 1. 85–90. [in Ukrainian].
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[8]     Pryshlyak, V. M., Yaropud, V. M. (2014). Osoblyvosti vykorystannya ta perspektyvy rozvytku rekuperatyvnykh teploutylizatoriv dlya tvarynnytskykh prymishchen [Features of use and prospects of development of recuperative heat utilizers for livestock premises]. Zemlya Ukrayiny - potentsial prodovolʹchoyi, enerhetychnoyi ta ekolohichnoyi bezpeky derzhavy»: Materialy IV mizhnarodnoyi naukovo-praktychnoyi konferentsiyi. 17-18 zhovtnya 2014 r. u 2-kh tomakh. T.2. Vinnytsya. 201–205. [in Ukrainian].
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[10]     Yaropud, V. M., Pryshlyak, V. M., Kovyazin, O. S., Aliyev, E. B. Patent № 98515 Ukrayina. MPK (2015.01) F24F 5/00. Trytrubnyy teploutylizator [Three-pipe heat utilizer]. Zayavnyk i vlasnyk patentu V.M. Yaropud. №u201413177. Zayavleno 08.12.2014. Opublikovano 27.04.2015. Byul. №8.
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About journal

Topics of the journal:

131 - Applied Mechanics

132 - Materials Science

133 - Industry engineering

141 - Power engineering, electrical engineering and electromechanics

208 - Agricultural engineering

The magazine "Engineering, Energy, Transport AIC" is included in the list of scientific professional editions of Ukraine on technical sciences

(Category "Б", Order of the Ministry of Education and Science of Ukraine dated 02.07.2020 №886)

 

Key information:
ISSN (print): 2520-6168
DOI: 10.37128/2520-6168

Certificate of state registration of mass media: No. 21906-11806 P dated 03/12/2016.

Founder of the journal: Vinnytsia National Agrarian University

Editor-in-chief: Tokarchuk Olexiy A.

Ph.D., Assoc., VNAU (Vinnytsia)

Deputy Editor-in-Chief: Veselovska Nataliia R.

Doctor of Technical Sciences, Full Prof., VNAU (Vinnytsia)

Executive Secretary: Polevoda Yuri A.

Ph.D., Assoc., VNAU (Vinnytsia)

Members of the Editorial Board:

Tokarchuk O.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Veselovska N.R. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Agrarian University

Bulgakov V.M. - Doctor of Technical Sciences, Full Professor, Acad. NAAS, National University of Life and Environmental Sciences of Ukraine

Iskovich-Lototsky R.D. - Doctor of Technical Sciences, Full Professor, Vinnytsia National Technical University

Bandura V. N. - Ph.D., Full professor, Vinnytsia National Agrarian University

Polevoda Yu.A. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Tsurkan A.V. - Ph.D., Associate Professor, Vinnytsia National Agrarian University

Ivanchuk Y.V. - Ph.D., Associate Professor, Vinnytsia National Technical University

Jordan Todorov Maximov - Doctor of Technical Sciences, Full Professor, Technical University of Gabrovo (Bulgaria)

Type of publication: journal

Kind of publication: scientific

Publication status: domestic

Year of foundation: 1997

Periodicity: 4 times per year

Volume: 18-20 conv. print. sheet (А4)

ISSN: 2520-6168 (print version), (online version)

Language of publication: (mixed languages) Ukrainian, Russian, English

The sphere of distribution and category of readers: national, foreign, faculty, scientists, entrepreneurs.

The periodical edition is included to the List of scientific professional publications of Ukraine on technical sciences, approved by order of the Ministry of Education and Science of Ukraine in 05.16.2016, No. 515.

The journal "Engineering, Energy, Transport AIC" is included in the "Catalog of Ukrainian Publications".

Subscription to the journal can be issued in each post office. The subscription index is 99720.

History of journal:

It was founded in 1997 under the title "Bulletin of the Vinnitsa State Agricultural Institute." According to the Decree of the Presidium of the Higher Attestation Commission of Ukraine of September 11, 1997, this publication received the status of a professional in which it is allowed to publish the main results of dissertation researches.

In 2001-2014 the journal published under the title “Collection of scientific works of Vinnytsia National Agrarian University. Series: Technical Sciences "(Certificate of State Registration of Mass Media KV No. 16644-5116 PR of 04/30/2010).

Since 2015 journal has title "Engineering, Energy, Transport AIC" (Certificate of State Registration of Mass Media No. 21906-11806 P dated 03/12/2016).