Advances in New and Renewable Energy >
Performance Analysis of APU Waste Heat Recovery System Based on Organic Rankine Cycle
Received date: 2015-07-06
Revised date: 2015-08-20
Online published: 2015-10-30
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.
Key words： Organic Rankine Cycle; APU; waste heat recovery; secondary energy
LIU Yang , LI Yun-ze , ZHANG Ya-nan , WANG Sheng-nan . Performance Analysis of APU Waste Heat Recovery System Based on Organic Rankine Cycle[J]. Advances in New and Renewable Energy, 2015 , 3(5) : 391 -397 . DOI: 10.3969/j.issn.2095-560X.2015.05.011
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