压力升高率 meaning in Chinese
rate of pressure rise
Examples
- Analysis on the relationship between rise rate of cylinder pressure and combustion noise
车用柴油机气缸压力升高率与燃烧噪声的关系 - Investigation results show that dme engine has shorter ignition delay , lower peak pressure , lower maximum rate of pressure rise
研究表明:二甲醚发动机具有短的滞燃期,较低的最高爆发压力和最大压力升高率。 - A new calculation method for optimizing diesel engine performance , called nonlinear regression - mess method , is put forward . in this paper , 25 groups of simulated values are calculated from the diesel engine working model , specific fuel consumption , peak pressure , rate of pressure rise , nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle
本文利用柴油机工作过程模型,得出25组模拟计算数据,利用非线性回归将油耗、最大爆发压力、压力升高率、 no _ x浓度及最高燃烧温度拟合成压缩比和喷油提前角的显函数,并用网格法进行优化,用c语言编制了优化计算程序,得出最佳的压缩比和喷油提前角,使其优化匹配。 - Abstract : in the research of internal combustion engine , recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine . the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle , calculate and show the real time parameters which decide the working process of internal combustion engine , such as pressure accelerating rate , indicateed mean effective pressure , cycle - to - cycle variation , heat release rate , etc . compared with the imported congeneric products , the analyzer has many advantages such as chinese interface , low price , easy operateing , convenience in maintainance and easy upgrading
文摘:为了测录内燃机缸内的压力及温度,开发了一种内燃机燃烧分析仪.该分析仪由国产高速数据采集卡及自行开发的控制软件组成.它不仅能精确设置每度曲轴转角内采样点的个数和采集循环数,而且在采集过程中能实时计算和表征内燃机工作过程的压力升高率、平均指示压力、循环变动率、放热率等参数.经实际使用以及与国外产品相比表明,此分析仪具有全中文界面、价格低、操作简单、使用维护方便、功能便于扩充等优点 - We can get many physical parameters through indicator diagram acquired in the experiment . such as indicator work , mean indicated pressure , maximal pressure and corresponding crank angle , maximal rate of pressure rise and corresponding crank angle and mass fraction burned , heat release rate , etc . these physical parameters can analyze and show primary in - cylinder combustion process in engine
通过实测的示功图,经过计算整理可以获得诸如指示功、平均指示压力、最高燃烧压力及其对应曲轴转角、最高压力升高率及其对应曲轴转角、已燃质量分数、燃烧放热率等物理量,可供进一步分析和揭示发动机缸内燃烧过程。