Open AccessNumerical simulation and analysis of temperature and flow field of high‐speed axial piston motor pump
Author(s) -
Gao Dianrong,
Zhang Zongyi,
Sun Yanan,
Xu Senhao,
Liu Jingcheng,
Zhang Yan
Publication year - 2019
Publication title -
the journal of engineering
Language(s) - English
Resource type - Journals
ISSN - 2051-3305
DOI - 10.1049/joe.2018.8959
Subject(s) - mechanics , axial piston pump , piston (optics) , variable displacement pump , heat transfer , radial piston pump , piston pump , axial flow pump , duct (anatomy) , materials science , flow (mathematics) , mechanical engineering , thermodynamics , control theory (sociology) , reciprocating pump , hydraulic pump , engineering , physics , computer science , medicine , control (management) , pathology , wavefront , artificial intelligence , optics
Based on the theories of heat transfer and the method of computational fluid dynamics, a liquid–solid mathematical model of heat transfer of an axial piston hydraulic motor pump is constructed in this study. Through the finite volume method, the model with different cooling runners has been solved. Meanwhile, the oil flow regularity of runner and temperature distribution of the motor pump and oil duct has been obtained. On the basis of the model of long‐strip runner, the influence of ambient temperature on the motor pump's temperature rise has been analysed. The result shows that the cooling channels on the housing of the hydraulic motor pump effectively reduce the temperature rise, and a long‐strip channel is for optimum cooling. The average temperature rise of the motor pump increases linearly with the increase of ambient temperature.