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- engine cycle pressure ratio 发动机循环增压比
- The engine cycle during which this process occurs. 压缩周期上述机器压缩过程的周期
- After acoustic power output of the thermoacoustic engine was measured accurately by variable-load method,the mutual relations of power output with pressure ratio,heating power and heating temperature were analyzed. 应用变负载法;对该热声发动机的声功输出进行了精确测量.;分析得到声功输出与热声发动机压比、加热功率和加热温度之间的相互影响关系
- For improve thrust loading and decrease fuel consume of the engine, propulsive system of the future demand the compressor in possession of higher pressure ratio and more efficiency. 未来飞机推进系统要求压气机的压比和效率均大大高于目前的使用水平,以提高发动机推重比,减小燃油消耗。
- These numerical equalities would not exist if any ordinary engine cycle were reversed. 如果将任一普通热机的循环方向反向，那么以上这些相等数量是不存在的。
- The Stirling engine cycle can also be used "in reverse", to convert rotating motion into a temperature differential (and thus provide refrigeration). 史特灵引擎循环也是可以“反转”的，只要利用温度差异就可以反向旋转(并利用这个反应达到降温)。
- It is not a practical engine cycle because the heat transfer into the engine in the isothermal process is too slow to be of practical value. 它不是一个实际的发动机循环，因为传热进入发动机，在等温过程中，是速度太慢，具有实用价值。
- The doctor is measured with mercuric tonometer, when the hematic pressure ratio of Ms.Wen sees a doctor last even tall. 医生用水银血压计一量，温女士的血压比上次看病的时候还要高。
- The most efficient heat engine cycle is the Carnot cycle, consisting of two isothermal processes and two adiabatic processes . 最有效的热力循环是卡诺循环，由两个等温过程和两个绝热过程。
- Another method to increase the pressure ratio prec/p is to increase the temperature and Mach number of the eject gas. 提高引射气体的温度及马赫数，也可增加扩压比。
- SI/HCCI mode transient switching model is constructed by coupling the chemistry kinetics code CHEMKIN with the AVL BOOST(superscript TM) Engine cycle simulation code. 摘要将化学反应动力学代码CHEMKIN耦合到发动机热力循环软件BOOST，建立了SI/HCCI瞬态模式切换的数值模型。
- The correlation coefficient between plama ADH and urine-palsma osmotic pressure ratio was 0.86(P<0.05) in patients with DI. DI组确诊后一周内平均尿血渗透压值与血浆抗利尿激素水平有密切相关性 (相关系数r=0 86 ;P <0 0 5 )。
- Two internal irreversibility parameters, the heat engine cycle and the refrigerator cycle were introduced to characterize the irreversibility inside the cycle. 引入两个内不可逆性参数，分别用于描述热机循环的内不可逆性和制冷循环的内不可逆性。
- Simone G,Roman MJ,Koren Mi,et al.Stroke volum/pulse pressure ratio and cardiovascular risk in arterial hypertension[ J ].Hypertension,1999,33:800-805. 蔡俊明;邓健忠;陈先辉.;社区干预对高血压患者卫生行为和疗效作用[J]
- Velocity circulations at the trailing edges of each blade-row are optimized for overall maximization of total pressure ratio and isentropic efficiency. 优化目标为总压比和绝热效率最大，决策变量为转子和静子叶排尾缘速度环量。
- The two stage turbocharging system has much higher efficiency under most operating conditions if the pressure ratio assignment is 1:1. 在大部分工况下压比分配为1:1时，所匹配的二级增压系统效率较高；
- The shock wave compression is the latest compression technology, and attracts special attention because of high single stage pressure ratio. 激波压缩技术是目前新式的气体压缩技术，以其高的单级压比倍受关注。
- When volume efficiency is computed by an engine cycle simulation considering gas flow in intake and exhaust manifold as one-dimensional unsteady flow, improperly given parameters in the simulation may cause an error over 5%. 摘要采用进排气管流动为一维非定常模型的发动机循环模拟方法计算充气效率时，若模型中给定的参数不合适，可能引起充气效率的计算误差超过5%25。
- Performance analysis and optimization of an airstandard reheat endoreversible Brayton engine cycle with heat-resistance and heat leakages has been performed by using finite-time thermodynamics. 用有限时间热力学方法建立了一个工作在恒温热源TH、TL之间,存在热阻、热漏和再热的定常流空气标准闭式布雷顿循环模型。
- A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio. 针对一台两级轴流压气机,选定优化设计的目标是最大的总压比和最高的总绝热效率。
