气门积炭
Certain naturally occurring mineral deposits may adhere to the valve, blocking waterways , rendering it inoperative.
某些自然产生的矿物质沉淀可能附着在阀门上, 堵塞水路, 造成阀门不起作用.
In this paper, the relations of operating parameters such as coolant temperature, engine speed, throttle valve opening and spark advance angle with unburned hydrocarbon emissions due to the presence of combustion chamber deposits in spark ignition engine are investigated both theoretically and experimentally.
本文从实验和理论两个方面来系统地研究火花点火式发动机燃烧室沉积物处未燃碳氢排放浓度随冷却水温、发动机转速、节气门开度和点火提前角等运转参数的变化规律。
study on application of intake valve deposits simulation tests
进气阀沉积物模拟试验方法应用研究
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