Study of Flame and Wall Temperature Visualization on Spark-Ignited Engine Ultralean Combustion

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概要

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• This paper presents a unique approach for two-dimensional visualization and measurement of chamber wall temperatures in ultralean combustion engines. It also includes a three-dimensional measurement method for flame speed in the lean combustion of spark-ignited engines. Ultralean combustion, which is characterized by an air fuel ratio of more than 20, has proven to be effective for combustion improvements such as emission gas cleaning and thermal efficiency. However, combustion has inherent difficulties such as instability. Swirl is an effective method of stabilizing lean combustion. It is important from a combustion stability standpoint to understand the relationship between swirl and wall temperature and between swirl and flame. Wall temperature distribution and three-dimensional flame speed in ultralean combustion are clearly observable by use of the visualization method. The relationship between wall temperature distribution and three-dimensional flame speed is investigated.

• 一般社団法人日本機械学会の論文
• 1992-08-15

著者

• Goto Yuichi

  Traffic Nuisance Division Engine Section Traffic Safety And Nuisance Research Institute Ministry Of

• Goto Y

  Traffic Safety And Nuisance Res. Inst. Ministry Of Transport Tokyo Jpn

関連論文

• Mixture Formation and Ignition in a Direct Injection Natural Gas Engine
• Study of Flame and Wall Temperature Visualization on Spark-Ignited Engine Ultralean Combustion
• Combustion stabilization of a spark ignition natural gas engine

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