LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS
Introduction. The article discusses the climatic conditions of Yakutia, as well as the cooling process of the hydraulic system of DZ-98 motor grader in order to prevent violation of the thermal regime of hydraulic units under the influence of low temperatures, taking into account the wind blowing an...
Published in: | The Russian Automobile and Highway Industry Journal |
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Siberian State Automobile and Highway University
2020
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Online Access: | https://doi.org/10.26518/2071-7296-2020-3-316-327 https://doaj.org/article/cc22942b5d5c4bea96d29df22b0bdd13 |
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ftdoajarticles:oai:doaj.org/article:cc22942b5d5c4bea96d29df22b0bdd13 2023-05-15T18:45:05+02:00 LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS T. N. Okhlopkov 2020-07-01T00:00:00Z https://doi.org/10.26518/2071-7296-2020-3-316-327 https://doaj.org/article/cc22942b5d5c4bea96d29df22b0bdd13 RU rus Siberian State Automobile and Highway University https://vestnik.sibadi.org/jour/article/view/1096 https://doaj.org/toc/2071-7296 https://doaj.org/toc/2658-5626 2071-7296 2658-5626 doi:10.26518/2071-7296-2020-3-316-327 https://doaj.org/article/cc22942b5d5c4bea96d29df22b0bdd13 Вестник СибАДИ, Vol 17, Iss 3, Pp 316-327 (2020) автогрейдер эксплуатация гидроагрегат низкие температуры тепловой режим рабочая жидкость теплоотдача процесс охлаждения Transportation engineering TA1001-1280 article 2020 ftdoajarticles https://doi.org/10.26518/2071-7296-2020-3-316-327 2023-03-19T01:35:55Z Introduction. The article discusses the climatic conditions of Yakutia, as well as the cooling process of the hydraulic system of DZ-98 motor grader in order to prevent violation of the thermal regime of hydraulic units under the influence of low temperatures, taking into account the wind blowing and operating conditions. The surface temperature of the hydraulic units was measured on January 16, 2018 in the city of Yakutsk on the basis of Yakutdorstroi joint-stock company at an ambient temperature of -42 ° С.Materials and methods. To ensure a reliable operation of the hydraulic system at low temperatures, hydraulic units must provide a supply of working fluid under pressure, regardless of changes in ambient temperature. The thermal regime of hydraulic units is characterized by three main parameters: pressure, temperature and volume. In the North, where the ambient winter temperature varies from -27 ° С to -49 ° С, the absolute temperature is the determining parameter. Studying the problem, theories of heat conduction and heat transfer in solids, hydrodynamics, and differential equations were used.Results. Natural and climatic data, as well as the recorded surface temperature of hydraulic units, allow to determine the number of days with a critically negative temperature, the heat transfer of hydraulic units and the regularity of its change depending on the operating mode. Article in Journal/Newspaper Yakutia Yakutsk Directory of Open Access Journals: DOAJ Articles Yakutsk The Russian Automobile and Highway Industry Journal 17 3 316 327 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
Russian |
topic |
автогрейдер эксплуатация гидроагрегат низкие температуры тепловой режим рабочая жидкость теплоотдача процесс охлаждения Transportation engineering TA1001-1280 |
spellingShingle |
автогрейдер эксплуатация гидроагрегат низкие температуры тепловой режим рабочая жидкость теплоотдача процесс охлаждения Transportation engineering TA1001-1280 T. N. Okhlopkov LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
topic_facet |
автогрейдер эксплуатация гидроагрегат низкие температуры тепловой режим рабочая жидкость теплоотдача процесс охлаждения Transportation engineering TA1001-1280 |
description |
Introduction. The article discusses the climatic conditions of Yakutia, as well as the cooling process of the hydraulic system of DZ-98 motor grader in order to prevent violation of the thermal regime of hydraulic units under the influence of low temperatures, taking into account the wind blowing and operating conditions. The surface temperature of the hydraulic units was measured on January 16, 2018 in the city of Yakutsk on the basis of Yakutdorstroi joint-stock company at an ambient temperature of -42 ° С.Materials and methods. To ensure a reliable operation of the hydraulic system at low temperatures, hydraulic units must provide a supply of working fluid under pressure, regardless of changes in ambient temperature. The thermal regime of hydraulic units is characterized by three main parameters: pressure, temperature and volume. In the North, where the ambient winter temperature varies from -27 ° С to -49 ° С, the absolute temperature is the determining parameter. Studying the problem, theories of heat conduction and heat transfer in solids, hydrodynamics, and differential equations were used.Results. Natural and climatic data, as well as the recorded surface temperature of hydraulic units, allow to determine the number of days with a critically negative temperature, the heat transfer of hydraulic units and the regularity of its change depending on the operating mode. |
format |
Article in Journal/Newspaper |
author |
T. N. Okhlopkov |
author_facet |
T. N. Okhlopkov |
author_sort |
T. N. Okhlopkov |
title |
LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
title_short |
LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
title_full |
LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
title_fullStr |
LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
title_full_unstemmed |
LOW TEMPERATURES EFFECT ON THERMAL CONDITIONS OF DZ-98 AUTOGRADER HYDRAULIC UNITS |
title_sort |
low temperatures effect on thermal conditions of dz-98 autograder hydraulic units |
publisher |
Siberian State Automobile and Highway University |
publishDate |
2020 |
url |
https://doi.org/10.26518/2071-7296-2020-3-316-327 https://doaj.org/article/cc22942b5d5c4bea96d29df22b0bdd13 |
geographic |
Yakutsk |
geographic_facet |
Yakutsk |
genre |
Yakutia Yakutsk |
genre_facet |
Yakutia Yakutsk |
op_source |
Вестник СибАДИ, Vol 17, Iss 3, Pp 316-327 (2020) |
op_relation |
https://vestnik.sibadi.org/jour/article/view/1096 https://doaj.org/toc/2071-7296 https://doaj.org/toc/2658-5626 2071-7296 2658-5626 doi:10.26518/2071-7296-2020-3-316-327 https://doaj.org/article/cc22942b5d5c4bea96d29df22b0bdd13 |
op_doi |
https://doi.org/10.26518/2071-7296-2020-3-316-327 |
container_title |
The Russian Automobile and Highway Industry Journal |
container_volume |
17 |
container_issue |
3 |
container_start_page |
316 |
op_container_end_page |
327 |
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1766236037831458816 |