The design and simulation of a two-stroke free-piston compression ignition engine for electrical power generation

被引：148
|
作者：
Mikalsen, R. [1 ]
Roskilly, A. P. [1 ]
机构：
[1] Univ Newcastle Upon Tyne, Sch Marine Sci & Technol, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
APPLIED THERMAL ENGINEERING | 2008年 / 28卷 / 5-6期
基金：
英国工程与自然科学研究理事会;
关键词：
free-piston; two-stroke; diesel; linear combustion engine generator;
D O I：
10.1016/j.applthermaleng.2007.04.009
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Free-piston engines are under investigation by a number of research groups worldwide due to their potential advantages in terms of fuel efficiency and engine emissions. Some prototypes have emerged, mainly aimed for vehicle propulsion, and have reported favourable performance compared to conventional technology. This paper describes the design of a modular compression ignition free-piston engine generator, applicable to electric power generation in large-scale systems. The development of a full-cycle engine simulation model is described, and extensive simulation results are presented, giving insight into engine operating characteristics and performance. The operating characteristics of the free-piston engine was found to differ significantly from those of conventional engines, giving potential advantages in terms of fuel efficiency and emissions formation due to fast power stroke expansion. Effects of varying engine stroke length and compression ratio were not found to give any large advantages. (C) 2007 Elsevier Ltd. All rights reserved.
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页码：589 / 600
页数：12
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