吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (4): 1124-1129.doi: 10.13229/j.cnki.jdxbgxb201504015

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Match and simulation analysis of hydraulic system radiator of wheel loader

ZHANG Qin-guo1, QIN Si-cheng1, MA Run-da1, LIU Yu-fei2, XI Yuan1   

  1. 1.College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2.College of Automotive Engineering, Jilin University, Changchun 130022, China
  • Received:2014-04-28 Online:2015-07-01 Published:2015-07-01

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Abstract: A higher thermal efficiency plate-fin liquid-cooled radiator was matched for the hydraulic system of wheel loader by experiment and simulation method to solve the overheating problem when working in summer. The changes of the internal flow field and temperature field of the radiator were studied under different conditions. The simulation results show that the heat transfer e4fficiency of the serrated fin is obviously higher than that of the straight fins. Therefore, serrated fins were selected in order to ensure that the hydraulic system could work properly under normal temperature. The pressure characteristics of the radiator met the specific requirement. The flow uniformity of the coolant reached the best when the deflector angle was equal to 45°. The problem of insufficient heat dissipation hydraulic oil radiator was solved by the new radiator. The results of this study may provide reference for the loader cooling system optimization.

Key words: turn and control of fluid, hydraulic system, liquid-cooled radiator, serrated fins, flow uniformity

CLC Number: 

  • TH137
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