内燃机爆震燃烧探测及其临界爆震判析高青.pdf

8 ( 2002) 4 Vol. 8( 2002) No.4 JOURNAL OF COM USTION SCIENCE AND TECHNOLOGY 高　青, 金英爱, 孙志军, 孙济美 ( , 130025) : , : ; ; : 413: : 1006-8740(2002) 04-0381-03 TK A Engine Knock Combustion Measurement and Critical Knock Detection , - , - , - GAO Qing JIN Ying ai SU N hi jun SU N Ji mei (Automobile Engineering College,Jilin University, Changchun 130025, China) Abstract:T he application of fiber-opt ic photoelectric sensors to det ect and measure engine com bustion and knock . - . w as investigat ed The feasibility to measure the engine combustion by fiber optic sensors w ere explored Examples of using the sensors to measure combustion timing knock and its critical condition and other combustion charact er-, , istics w ere introduced.In the paper the knock and the critical condition of bot h spark ignit ion engine and dual fuel engine were measured and analyzed. : ; ; - Keywords engine knock fiber opt ic sensors , , , , , , , 1 [ 1, 2] , , 900 nm( , ) 600 nm( ) 460 nm( ) , , ; [ 3] , , : 2002-01-31 : ( : ( 1961- ) , , , E-mail: gqcc @ public. cc.jl. cn 382 8 4 , , , , , , , 1 0. 983 0. 984, R