Transactions of Society of Automotive Engineers of Japan
Online ISSN : 1883-0811
Print ISSN : 0287-8321
ISSN-L : 0287-8321
Research Paper
IMEP Measuring Method using Ignition Plug Washer Type Force Sensor (Second Report)
-Measurement of Actual Engine-
Keiichi Nagashima, Keiji Miura, Masahiko Matsumoto, Naoki Hanada, Yoshihito Tsukamoto, Takeshi Hachisuka, Kazuo Tsuchiya
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Keywords: Heat Engine, Measurement/Diagnosis/Evaluation, IMEP, Force Sensor
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2011 Volume 42 Issue 1 Pages 175-180

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Abstract
The equivalent indicated mean effective pressure (Equivalent IMEP) of an engine calculated from the values based on the spark plug washer type piezoelectric force sensor were compared with the indicated mean effective pressure getting from ordinary cylinder pressure diagram. The correction coefficient was about 0.941, and then the correlation coefficient was improved to 0.990 by changing of the setting in calculation gate and charge amplifier.
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© 2011 Society of Automotive Engineers of Japan, Inc.
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