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Mixture distribution measurement using laser induced breakdown spectroscopy in hydrogen direct injection stratified charge

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Title: Mixture distribution measurement using laser induced breakdown spectroscopy in hydrogen direct injection stratified charge
Authors: Shudo, Toshio Browse this author
Oba, Shuji Browse this author
Keywords: Hydrogen Engine
Laser Induced Breakdown Spectroscopy
Stratified Charge
Mixture Distribution
Cooling Loss
Issue Date: Mar-2009
Publisher: Elsevier
Journal Title: International Journal of Hydrogen Energy
Volume: 34
Issue: 5
Start Page: 2488
End Page: 2493
Publisher DOI: 10.1016/j.ijhydene.2009.01.012
Abstract: Reduction in cooling loss due to the heat transfer from burning gas to the combustion chamber wall is very important for improving the thermal efficiency in hydrogen engines. The previous research has shown that the direct injection stratified charge can be a technique to reduce the cooling loss and improve thermal efficiency in hydrogen combustion. For effective reductions in cooling loss by the stratified charge, it is very important to know the relation between the fuel injection conditions and mixture distribution. The current research employs the laser induced breakdown spectroscopy as a method to measure the hydrogen concentration distribution in the direct injection stratified charge. Measurement of instantaneous local equivalence ratio by the method clears the characteristics of mixture formation in hydrogen direct injection stratified charge. This research also tries to actively control the mixture distribution using a split fuel injection.
Type: article (author version)
URI: http://hdl.handle.net/2115/36095
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 首藤 登志夫

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