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浙江大学学报(工学版)
浙江大学学报(工学版)
机械能源工程     
涡轮增压器旁通废气能量回收利用
樊之鹏, 王雷, 徐焕祥, 窦文博, 李道飞, 俞小莉
浙江大学 动力机械及车辆工程研究所,浙江 杭州 310027
Turbocharger bypassed exhaust energy recovery and utilization
FAN Zhi peng, WANG Lei, XU Huan xiang, DOU Wen bo, LI Dao fei, YU Xiao li
Power Machinery and Vehicular Engineering Institute, Zhejiang University, Hangzhou 310027, China
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摘要：

以压缩空气作为储能介质,提出一种废气能量回收方法,用以回收高速大负荷工况下被废气阀旁通的废气能量.建立数值仿真模型,分析该方法的回收效果,并在循环工况中计算总能效率的提升幅度.结果表明：压缩空气最大回收功率约6.9 kW,旁通废气能量回收效率最高达55%|在NEDC、UDDS和HWFET这3种循环工况中,采用该方法均可使系统总能效率提升0.3%.针对回收的压缩空气,提出2种利用途径：作为车辆制动能量回收系统的进气气源,可使回收的气体压力和制动转矩增幅最高达到167%和140%|用于发动机进气总管补气,可使车辆加速性能提升约15%.
Abstract:

An exhaust energy recovery method was proposed to recover exhaust energy wasted through wastegate under high speed and heavy load conditions, in which compressed air was used as energy storage medium. The simulation model was built to analyze the recovery performance; the promotion of energy recovery efficiency under driving cycle condition was calculated. Results show that the maximum recovery power of compressed air is 6.9 kW and the maximum recovery efficiency of bypassed exhaust energy is 55%. Total energy efficiency of NEDC, UDDS and HWFET driving cycles increases by 0.3% using this utilization method. Further more, two approaches were proposed to utilize recovered compressed air. One is utilizing compressed air as the intake of vehicle braking energy recovery system, which can improve the recovery pressure and braking torque up to 167% and 140%, respectively. The other is utilizing compressed air to realize intake pipe air injection of engine, which can improve acceleration performance of vehicles up to 15%.
出版日期: 2016-12-08
:  TK 421  
基金资助:

国家“973”重点基础研究发展规划资助项目(2011CB707205)；国家自然科学基金资助项目(51476143).
通讯作者: 俞小莉,女,教授.ORCID: 0000-0003-1846-7488.     E-mail: yuxl@zju.edu.cn
作者简介: 樊之鹏(1988—),男,博士生,从事车用动力能源多元化研究. ORCID: 0000-0002-1000-2056.E-mail: armyarmy999@sina.com
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引用本文:

樊之鹏, 王雷, 徐焕祥, 窦文博, 李道飞, 俞小莉. 涡轮增压器旁通废气能量回收利用[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.12.005.

FAN Zhi peng, WANG Lei, XU Huan xiang, DOU Wen bo, LI Dao fei, YU Xiao li. Turbocharger bypassed exhaust energy recovery and utilization. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.12.005.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.12.005    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I12/2277

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