Feasibility analysis of a small-scale ORC energy recovery system for vehicular application

被引:38
|
作者
Capata, Roberto [1 ]
Toro, Claudia [1 ]
机构
[1] Univ Roma Sapienza, Dept Mech & Aerosp Engn, Rome, Italy
关键词
ORC energy recovery system; R245fa; Components design; System simulation; HEAT-TRANSFER CHARACTERISTICS; ORGANIC RANKINE CYCLES; EXERGY; STEAM; FLOW;
D O I
10.1016/j.enconman.2014.06.024
中图分类号
O414.1 [热力学];
学科分类号
摘要
This paper analyses the feasibility of an "on-board" innovative and patented ORC recovery system. The vehicle thermal source can be either a typical diesel engine (1400 cc) or a small gas turbine set (15-30 kW). The sensible heat recovered from the exhaust gases feeds the energy recovery system that can produce sufficient extra power to sustain the conditioning system and other auxiliaries. The concept is suitable for all types of thermally propelled vehicles, but it is studied here for automotive applications. The characteristics of the organic cycle-based recovery system are discussed, and a preliminary design of the main components, such as the heat recovery exchanger, the evaporator and the pre-heater is presented. The main challenge are the imposed size and weight limitations that require a particular design for this compact recovery system. A possible system layout is analyzed and the requirements for a prototypal application are investigated. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1078 / 1090
页数:13
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