Micro Newcomen steam engine using two-phase working fluid

Yang Wang, Zhijun Zhou, Junhu Zhou, Jianzhong Liu, Zhihua Wang and Kefa Cen

Energy, 2011, vol. 36, issue 2, 917-921

Abstract: A micro steam engine is developed based on Newcomen steam engine. In the micro engine, a flexible ripple tube takes the place of piston and cylinder, to overcome the serious problems of friction and leakage in micro scale. We use two-phase octane as working fluid of the micro engine, because two-phase octane has higher power density than gaseous one. The micro engine is tested under different operational conditions to investigate its performance. It produces a maximum net mechanical work of 0.405 J per cycle with an efficiency of 2.58%. This experiment proves the feasibility of the micro steam engine.

Keywords: Ripple tube; Micro scale; Newcomen steam engine; Thermodynamic cycle (search for similar items in EconPapers)
Date: 2011
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:36:y:2011:i:2:p:917-921

DOI: 10.1016/j.energy.2010.12.019

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