Energy Saving Potential Analysis for Organic Rankine Cycle System under Real Road Conditions

doi:10.7652/xjtuxb202003019

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Energy Saving Potential Analysis for Organic Rankine Cycle System under Real Road Conditions

更新时间：2025-07-09

- Energy Saving Potential Analysis for Organic Rankine Cycle System under Real Road Conditions
- Vol. 54, Issue 3, Pages: 150-160(2020)
- 作者机构：
  
  北京工业大学环境与能源工程学院,北京,100124
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202003019
  CLC： TK115
- Online First：10 March 2020，
  
  Published：2020
- 稿件说明：
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Energy Saving Potential Analysis for Organic Rankine Cycle System under Real Road Conditions[J]. 2020, 54(3): 150-160.
DOI：

Energy Saving Potential Analysis for Organic Rankine Cycle System under Real Road Conditions[J]. 2020, 54(3): 150-160. DOI： 10.7652/xjtuxb202003019.

摘要

针对有机朗肯循环(ORC)的研究集中于理想发动机而对真实道路工况下的研究不足的现状

对真实道路工况下ORC系统的节能潜力进行了分析。利用GT-Suite软件中的不同模板

分别建立了发动机、ORC系统、动力传输系统和其他零部件的模型

并在此基础上建立了整车仿真模型。仿真结果表明

发动机和ORC系统模型准确。利用所建整车模型分析了新欧洲驾驶循环(NEDC)和重型柴油车(HHDDT)高速巡航两种道路工况下发动机的排气能量特性、ORC系统的运行特性及节能潜力。结果表明:NEDC工况下的发动机排气能量波动较大

变化范围为5.8～36 kW

平均能量回收效率为2.01%

其中

市区工况下的平均排气能量为10.3 kW

平均能量回收效率为1.34%

郊区工况下的平均排气能量为18.3 kW

平均能量回收效率为3.32%; HHDDT高速巡航工况下的发动机排气能量波动较小

变化范围为5.2～27.7 kW

平均排气能量为20.0 kW

平均能量回收效率为4.01%; ORC余热回收系统更适用于高速巡航及郊区工况

应尽量避免在车速较低且波动较大的市区工况下使用。

Abstract

Aiming at the current researches of organic Rankine cycle(ORC)focusing on the ideal engine conditions but insufficient under real road conditions

an investigation for energy saving potential of ORC system under real road conditions is carried out. A vehicle model including the models of engine

ORC system

power transmission system and the other components is established by different templates in GT-Suite. Simulations show that the engine and ORC system models are accurate. The vehicle model is used to analyse the exhaust energy characteristics

and the operation characteristics and energy saving potential of ORC system under the new European driving cycle(NEDC)and the heavy-duty diesel truck(HHDDT)high-speed cruise road conditions. The exhaust energy fluctuates greatly under NEDC road condition

ranging from 5.8 kW to 36 kW

with the average energy recovery efficiency of 2.01%. The average exhaust energy in urban road conditions is 10.3 kW

with the average energy recovery efficiency

关键词

Keywords

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