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- The ejector model was based on the momentum and energy conservation laws.The model couples the refrigerant quality at the ejector exit and the ejector entrainment ratio. 使用动量守恒和能量守恒方程建立了喷射器模型，同时考虑了系统稳态下喷射器出口干度和喷射系数的耦合关系。
- ejector entrainment ratio 喷射系数
- The calculation model of such adjustable ejector is established to analyse the influence on the entrainment ratio, vapor pressure and vapor flux under various area of the motive nozzle throat. 在此基础上,提出了在喷射器喷嘴内插入喷针来调节喷射器工作参数的方案,建立了可调式喷射器性能计算模型,分析了喷嘴截面积变化对喷射系数、气体压力、气体流量等参数的影响。
- First a fundamental model for calculating entrainment ratio was derived based on thermodynamic and fluid dynamic principles. 首先利用热力学、流体力学原理导出一个计算喷射器引射系数的基本方程；
- Also, there is an optimal entrainment ratio for the double nozzles with variable inlet and outlet area ratio and outlet length of second nozzle in a given operation. 同时，第二喷嘴进出口截面以及第二喷嘴出口长度存在一最佳值，对应于最大喷射系数。
- THERMODYNAMIC MODELS FOR CALCULATING ENTRAINMENT RATIO OF STEAM-JET EJECTOR 蒸汽喷射器喷射系数计算的热力学模型
- The cooling mechanism and some basic characteristics of the system, such as entrainment ratio, coefficient of performance (COP) were analyzed. These system characteristics in use of R22 and water respectively as a working fluid were calculated. 描述了其工作原理 ;讨论了关于喷射系数和系统性能系数COP的计算方法 ;分别采用R2 2和水为制冷工质 ;进行多次计算取得最大喷射系数 ;并对系统性能系数COP作了定量的计算 .
- Further comparison work was conducted between a circular nozzle and double nozzles to reveal the effect of changing the pressure of the primary (motive) steam on entrainment ratio. 计算结果表明,在相同的操作条件下,双喷嘴结构能有效地提高喷射器的喷射系数。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- Coverplate on top side ejector plates ? 在顶出板的上面有盖板吗？
- As its height is increased entrainment lessens. 当它的高度增加时，夹带就减少了。
- Not be in the steam of boiling water entrainment. 不致因沸腾而在蒸气中夹带水珠。
- You cast your spell and entrain all that I am. 您投下您的拼写和乘火车所有我。
- The multihole nozzle ejector has lower noise and higher entrainment performance than the reference ejector at the ratios of medium and short mixing length. 最佳引射性能的多孔喷管引射器与参考引射器相比,在具有中等和较短混合室长度比时,不仅噪声可显著降低且引射性能亦可得到提高。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- Figure 10-8: Ejector seat levers have catastrophic results. 图10-8 弹射操纵杆具有灾难般的后果。
