摩托车发动机压缩比测量装置的设计开发。
Design and develop the device of motorcycle engine compression ratio measuring system.
本文研究了发动机压缩比和点火提前角对液化石油气发动机性能的影响。
The research discussed the influence of compression ratio and ignition advanced angle to performance of LPG engine.
试验结果表明提高发动机压缩比和选择最佳点火提前角后，发动机性能有一定提高。
The result show that performance of engine will be improve by increasing compression ratio of engine and using best ignition advanced angle.
理想情况下，乙醇发动机需要的压缩比是19：1，而不是典型汽油引擎的10：1。
Ideally, an ethanol engine needs a compression ratio of 19:1 instead of the 10:1 typical of petrol engines.
混合气的压缩量，由发动机的压缩比决定。
The amount that the mixture is compressed is determined by the compression ratio of the engine.
试验结果初步说明利用废气再循环，是高压缩比甲醇发动机解决相关问题的重要途径。
The test result shows that using EGR is an important approach to solve related difficulty for high compression ratio methanol engine.
这有利于随后的10.0：1压缩比，这是非常高的涡轮增压发动机。
This subsequently facilitates a compression ratio of 10.0:1, which is very high for a turbocharged engine.
发动机的压缩比和燃料的辛烷值有直接的关系。
There is a direct correlation between the compression ratio of an engine and its fuel octane requirements.
在此基础上设计了点火提前角控制器的软件和硬件，做了高压缩比的LPG发动机试验。
The hardware and software of ignition advanced angle controller are designed in this base. LPG engine with high compression ratio had been tested.
最后考察了通过使用变压缩比和增压两种策略扩展HCCI发动机运行范围的潜力。
The potentials to extend the operating range of HCCI engines through two strategies, i. e. variable compression ratio and boost, were investigated.
采用压缩比与数字计数器的对应检索校正关系来评定检查火花点燃式发动机的机械状况。
Calibration relationship between compressure ratio and digital counter reading can be used to evaluate the spark-ignition engine.
通过采取增大压缩比、采用湍流型燃烧室的措施，可改善发动机的燃烧过程。
By means of increasing compress ratio and adopting a turbulent combustion chamber, the combustion process was improved.
试验在一个专用于HCCI研究的单缸发动机上实施，采用两种中等的压缩比(10.4和15)和两种HCCI模式(进气加热和负气门叠开)，试验结果证实了这种期望。
Experiments conducted with moderate compression ratios (10.4 and 15) and using two modes of HCCI control, i. e. intake heating and NVO (Negative Valve Overlap) received the expected results.
试验在一个专用于HCCI研究的单缸发动机上实施，采用两种中等的压缩比(10.4和15)和两种HCCI模式(进气加热和负气门叠开)，试验结果证实了这种期望。
Experiments conducted with moderate compression ratios (10.4 and 15) and using two modes of HCCI control, i. e. intake heating and NVO (Negative Valve Overlap) received the expected results.
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