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Journal of Applied Sciences

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Analysis of Repeatedly Available Thermal Energy in Engines

ZI Kun1, LAN Xu-guang2 YANG Xiu-qi3
  

  1. 1. Department of Automobile Engineering, Ningbo University of Technology, Ningbo 315012 ,China
    2. Department of Automobile Engineering, Xi’an Jiaotong University, Xi’an 710049 ,China
    3. College of Automotive Engineering, Shanghai University of Engineering, Shanghai 200336 China

  • Received:2004-08-30 Revised:2004-11-09 Online:2006-01-31 Published:2006-01-31

Abstract:

To further improve thermal efficiency of internal combustion engine, analysis of energy utilization in engine dynamical cycles is needed. Analysis of available energy can estimate the energy utilization in dynamical cycles of engine in terms of quality. Based on a model of finite time thermodynamics in the engine operation, loss of the available energy is analyzed. The results obtained are in good agreement with that in the actual engine operation.

Key words:

finite time thermodynamics, available energy analysis, dynamic cycle, operation of engine