[Feng Wang; Longjian Li] Key Laboratory of Low-grade Energy Utilization Technologies and Systems(Chongqing University),Ministry of Education,Chongqing,400030,P.R. China
[Ming Zhao; Jing Zhou; Guofu Zhang; Penglai Li] College of Power Engineering,Chongqing University,Chongqing,400030,P.R. China
[Bo Qi] Mechanical Engineering Department,University of South China,Hengyang,Hunan 421001,P.R
