Performance analysis of a two-stage expansion air engine
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- 作者：Chi-Min Liu ; min670@hotmail.com" class="auth_mail" title="E-mail the corresponding author ; Chin-Lun Huang ; Cheng-Kuo Sung ; Chih-Yung Huang
- 关键词：Piston-type air-powered engine ; Two-stage expansion ; Effects of timing ; Performance ; Analysis ; Improvement
- 刊名：Energy
- 出版年：2016
- 出版时间：15 November 2016
- 年：2016
- 卷：115
- 期：part_P1
- 页码：140-148
- 全文大小：3305 K
文摘
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A two-stage expansion method was proposed for piston-type compressed air engines.
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Series-connected 50 and 100 cm3 compressed-air engines gave 1.7 kW power and 12.42 Nm torque at 12 bar air pressure.
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Early intake in the first cylinder improved power output by 5.3% while speed increased.
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Early intake and exhaust in the second cylinder increased power output by 7%.