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Study of Heat Loss Mechanism in Argon-circulated Hydrogen Engine Combustion Chamber Wall Surface Conditions

Abstract

Hydrogen fuel in internal combustion engine gives a very big advantage to the transportation sector especially in solving the greenhouse emission problem. However, there are only few research discovered the ability of argon as a working gas in hydrogen combustion in internal combustion engine. The high temperature rises from the argon compression tend to result in heat loss problem. This research aims to study the heat loss mechanism on wall surface condition in the combustion chamber. Experiments were conducted to study the effects of different heat flux sensor locations and the effect of ignition delay on heat flux. Local heat flux measurement was collected and images were observed using high speed shadowgraph images. The ignition delay that occurred near the combustion wall will result in larger heat loss throughout the combustion process. Higher ambient pressure results in a bigger amount of heat flux value. Other fundamental characteristics were obtained and discussed, which may help in contributing the local heat loss data of an argon-circulated hydrogen engine in future engine operation.

Funding source: The authors thank Kyoto University, Japan for providing the experimental setup and funding this work.
Related subjects: Applications & Pathways
Countries: Japan ; Malaysia
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/content/journal3734
2022-07-18
2022-10-05
http://instance.metastore.ingenta.com/content/journal3734
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