吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (1): 153-158.doi: 10.13229/j.cnki.jdxbgxb201601023

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Simulation analysis of heat transfer in the hydraulic system of loader

WANG Jian-peng1, 2, QIN Si-cheng1, YANG Li-guang3, LI Wu1   

  1. 1.College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2.Jilin 93057 Unit,Jinlin 132102,China;
    3.Changchun Machinery Research Institute of Ministry of Water Resources, Changchun 130012,China
  • Received:2014-12-04 Online:2016-01-30 Published:2016-01-30

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Abstract: In order to solve the overheating problem in the hydraulic system of loader working in summer, the lumped parameter method is introduced to study the heat transfer in the hydraulic system. A RC network of heat transfer model is established using the lumped parameter method, and the computational program is developed. The heat transfer in the hydraulic system of a 50 type wheel loader is simulated, and the simulating results are compared with test data. Results show that the simulation precision can satisfy engineering demand and the accuracy of the model can meet the needs of engineering design. This study provides valuable reference to the design and improvement of the hydraulic system of loader.

Key words: technology of instrument and meter, hydraulic system, lumped parameter method, heat transfer, loader

CLC Number: 

  • TH243
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