Combustion of Gasoline for Meso Scale Power Applications

  • James Moran Chiang Mai University, Thailand
  • Radom Pongvuthithum Chiang Mai University, Thailand
Keywords: Meso Scale Power Systems, Fuel Vaporization, Flow Blurring Injector, Combustion Chamber

Abstract

need large-scale infrastructure if clean, inexpensive and efficient individual power devices were available. There is demand for portable power applications that output power in the hundreds of watt range. These systems are referred to as meso-scale systems. Typical applications include non-grid connected homes, remote billboards, automotive auxiliary equipment, military personnel, campsites and human prosthetic devices. High power per unit mass is a very important requirement for these systems which make liquid hydrocarbons an ideal choice for the energy source. The issue with hydrocarbon fuels is that combustion at low flow rates (~ ml/min) is difficult. Injectors or vaporizers, such as those used in automotive engines, typically work at high pressures and relatively high flow rates. Electrostatic injectors can vaporize at low flow rates but they are cumbersome since they require high electric fields and are not suited for portable applications. The use of a flow blurring injector shows promise. A flow blurring injector which vaporizes liquid hydrocarbons at low flow rates has been developed. A system was built at Chiang Mai University, Thailand (CMU) to characterize the parameters effecting the combustibility of a hydrocarbon fuel and to investigate the suitability of this injector for use in meso-scale power systems. The results indicate that it could be used to generate power but care has to be taken to ensure flame stability.

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Author Biographies

James Moran, Chiang Mai University, Thailand

Dr. James Moran (corresponding author) received a Masters degree and Ph.D. degree in Mechanical Engineering from the Massachusetts Institute of Technology in 1996 and 2001 respectively. He is currently an Assistant Professor at the Department of Mechanical Engineering in Chiang Mai University, Thailand. He holds numerous patents on low friction devices. His research interests include low friction surfaces, meso scale combustion, aerosol generation and sources of bioenergy. Email: james@dome.eng.cmu.ac.th

Radom Pongvuthithum, Chiang Mai University, Thailand

Dr. Radom Pongvuthithum received the Ph.D. degree from the Department of Electrical Engineering and Computer Science, Case Western Reserve University, Ohio, in 2003. From 2003-2004, he was a Research Fellow in the School of Engineering and Sciences at the University of Southampton, U.K. He joined the Department of Mechanical Engineering, Chiang Mai University, Thailand, in 2004 and currently holds an Associate Professor position. His research interests include nonlinear systems, adaptive control, time-varying feedback design and their applications to medical robots, and energy systems.

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Published
2017-01-01
Section
Articles