Journal of Environment and Engineering
Online ISSN : 1880-988X
ISSN-L : 1880-988X
Papers
Cycle-to-Cycle Flow Rate Measurement on Reciprocating HCCI Engine Using Fast-Response Laminar Flow Meter
Yoshihiko KANOTOKenichiro NAGAITsunemichi KAWANorimasa IIDA
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2011 年 6 巻 1 号 p. 220-232

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In recent years, higher thermal efficiency and lower emissions are required on a reciprocating engine development and therefore cycle-to-cycle combustion control is necessary. Especially it is a key factor to control HCCI combustion engine. In HCCI engine, one of the most promising combustion methods to achieve high thermal efficiency, the ignition timing strongly depends on the mass-averaged temperature of charged gas and residual gas and very precise combustion phase control is required. Therefore it is important to detect the changes of cycle-to-cycle intake air flow rate, EGR gas flow rate and as well as residual gas in each cycle. The traditional laminar flow meter has too low responsivity to measure cycle-to-cycle flow rate. In this study, the fast-response laminar flow meter was developed in order to measure cycle-to-cycle dynamical flow rate. The availability of the fast-response laminar flow meter for cycle-to-cycle intake air flow rate measurement of the HCCI engine is shown in this paper.
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© 2011 by The Japan Society of Mechanical Engineers
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