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基于有机朗肯循环的APU余热回收系统性能分析

  • 刘 杨 ,
  • 李运泽 ,
  • 张亚男 ,
  • 王胜男
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  • 1. 北京航空航天大学 航空科学与工程学院,北京 100191;
    2. 北京航空航天大学 自动化科学与电气工程学院,北京 100191
刘 杨(1991-),女,硕士研究生,主要从事环境人机工程及工程热物理等方面研究。

收稿日期: 2015-07-06

  修回日期: 2015-08-20

  网络出版日期: 2015-10-30

Performance Analysis of APU Waste Heat Recovery System Based on Organic Rankine Cycle

  • LIU Yang ,
  • LI Yun-ze ,
  • ZHANG Ya-nan ,
  • WANG Sheng-nan
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  • 1. School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China;
    2. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China

Received date: 2015-07-06

  Revised date: 2015-08-20

  Online published: 2015-10-30

摘要

为有效利用飞机辅助动力装置(Auxitlary Power Unit , APU)排气余热,基于有机朗肯循环(Organic Rankine Cycle, ORC)发电系统,构建了APU余热回收系统。系统以APU排气余热为输入,驱动ORC做功,输出电能,为机载设备提供二次能源。结合工程热力学原理,建立系统热力学模型,并通过Matlab编程对余热回收系统进行了仿真计算及性能分析。仿真结果表明,系统功率及效率随飞行马赫数增加而降低;APU余热回收系统在飞机低音速飞行时有良好的性能;马赫数小于1时,系统功率在12 kW以上,效率在11%以上,耗气率低于0.0262 kg/kJ。

本文引用格式

刘 杨 , 李运泽 , 张亚男 , 王胜男 . 基于有机朗肯循环的APU余热回收系统性能分析[J]. 新能源进展, 2015 , 3(5) : 391 -397 . DOI: 10.3969/j.issn.2095-560X.2015.05.011

Abstract

In order to make full use of airplane APU exhaust waste heat, an APU waste heat recovery system based on Organic Rankine Cycle generation system was proposed. The waste heat from APU exhaust is used as input of the waste heat recovery system and the electricity which is generated through ORC provides secondary energy for the airborne equipment. With the aerodynamics, the thermodynamic model of the system is established and the numerical analysis using Matlab are carried out. The result shows that power and efficiency of the system decreases with Ma increasing. APU waste heat recovery system presents good performance at low speed of sound. At Ma ≤ 1, power is above 12 kW, efficiency is above 11%, and gas consumption rate is below 0.0262 kg/kJ.

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