中速ギヤードディーゼル機関のインジケータ図による燃焼解析 : 練習船弓削丸主機関の燃焼解析装置の現状とその将来

概要

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It is necessary to measure the combustion gas pressure of running diesel engine from the direct each cylinder and it needs to do analysis. We had developed following unique sensor based on newly pressure-frequency conversion to accomplish the system of that purpose and it has had following various kinds of character. (1) The pressure sensor is designed for continuous and permanent operation. Any combustion data are momentary presented only by operating control key. (2) Sensor type SE20 is provided with a blow off plug at the top of pressure chamber. Carbon residuum inside is prevented by periodical blow off. (3) A single data processing unit, type SE355 provides uninterrupted monitoring of both engine combustion numerical data, P-θ and P-V diagrams and ship performance with kinds of fuel consumption rates, and communication with host computer. This combustion analysis device acquired especially in brief description and had already navigate past four years on training ship "YUGE-MARU" and it gives the results from tests of the system use the Geared type Medium-Speed Diesel Engine. Next, we desire to develop and study about a design of engine automatic diagnosis system based on combustion analysis.
弓削商船高等専門学校の論文
1998-02-27