Experiment on Rankine cycle waste heat recovery of gasoline engine

被引:0
作者
Liu Z.-Q. [1 ]
Gao W.-Z. [1 ]
Li G.-H. [1 ,2 ]
He W.-B. [1 ]
Zhao L.-J. [1 ]
Wang J.-Y. [1 ]
机构
[1] State Key Laboratory of Engines, Tianjin University, Tianjin
[2] School of Mechanical and Power Engineering, Dalian Ocean University, Dalian
来源
Neiranji Xuebao/Transactions of CSICE (Chinese Society for Internal Combustion Engines) | 2016年 / 34卷 / 04期
关键词
Gasoline engine; Rankine cycle; Single valve expander; Waste heat recovery;
D O I
10.16236/j.cnki.nrjxb.201604048
中图分类号
学科分类号
摘要
Engine exhaust energy accounts for 35% of total fuel energy. If this energy is well recovered from Rankine cycle, it is an effective way to realize energy saving of automobile engine. The Rankine cycle test system for a 2.0 L gasoline engine was established to recover the exhaust energy. The performance of the Rankine cycle test system was studied and the indicated diagram of water-based single valve expander was obtained. Experiment shows that increasing gasoline engine load results in an increased speed and an increased output power of the expander. When gasoline engine runs under 90% load and 4000 r/min, expander speed is 1640 r/min and output power reaches 3.47 kW, accounting for 5.8% of gasoline power. Maximum pressure in cylinder is 6.69, MPa and the indicated power of expander obtained by the indicator diagram is 5.06 kW when gasoline engine runs under 90% load and 76.6 kW power. © 2016, Editorial Office of the Transaction of CSICE. All right reserved.
引用
收藏
页码:352 / 356
页数:4
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