pressure ratio
英 [ˈpreʃə(r) ˈreɪʃiəʊ]
美 [ˈpreʃər ˈreɪʃioʊ]
网络 压力转换比; 压力比; 增压比; 压比; 压降比
双语例句
- The second-throat area ratio limit, the minimal starting pressure ratio and the corresponding cell pressure were obt.
采用该方法可以较好地估计第二喉道极限面积比、最小启动压比以及对应的盲腔压力。 - The main results show that: if effectiveness and TIT are constant, the combustor inlet temperature decreases with the increasing of pressure ratio.
得到的主要结论有：在回热度及透平入口温度一定的情况下，随着压比的增加，燃烧室入口温度降低。 - This paper presents the numerical investigation on a high pressure ratio, high special speed and transonic centrifugal impeller with and without tip clearance.
使用非结构化网格上的有限体积法，数值研究一半开式离心压缩机叶轮的内部流场、气动性能随叶顶间隙的变化规律。 - Improvement on integrative design method of high pressure ratio mixed-flow compressor with diffuser
高压比的斜流叶轮与扩压器匹配设计方法的改进 - The vectoring angle increases with the decreasing of the nozzle pressure ratio.
减小喷管落压比可以提高矢量偏转角度。 - With the reducing of pore pressure, the apparent viscosity of post-liquefied sand increased with increasing of strain and decreasing of pore pressure ratio.
随着液化后孔压的降低，砂土的表观粘度随应变的增大而增大，随孔压比的减小而增大。 - Using this design system, a high-loaded backward-swept fan with a stage pressure ratio of2.2 was redesigned firstly as a backward-swept and secondly as a forward-swept splittered fan.
用该系统对某级增压比2.2的单级高负荷后掠风扇进行了后掠和前掠大小叶片改型设计。 - If other parameters are fixed the system possesses the optimal pressure ratio which make the COP has extremes under the condition.
在其它参数确定时，存在最佳压比，可使系统工作性能系数在该条件下达极值。 - The primary objective is to study the effect of high-modulus PVA fibers on improving the seismic performance of super-high-strength concrete short columns with high axial pressure ratio.
试验旨在研究在较高轴压比条件下，高弹模PVA纤维对超高强混凝土短柱抗震延性的改善作用。 - An acoustical transformer capable of improving thermoacoustic pressure ratio
一种提高热声发动机压比的声学变压器 - As can be seen from the above formula, s ( calculated) is the function of temperature, however, s is the function of temperature and pressure ratio.
在压比已知和初始焓的情况下，可以求等熵过程终点的焓和温度。 - The initial relative density of the deposited sand, the velocity of the sphere and excess pore pressure ratio are the main factors in the tests.
试验中考虑了砂土的初始相对密度、钢球的运动速率、液化后砂土的超孔压比等因素的影响。 - 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。 - With increase of nozzle pressure ratio, the infrared radiation from underside of nozzle is reduced.
随着喷管落压比的增加，喷管上方的整体红外辐射降低。 - Under different controlling pipe length and pressure ratio, the oscillation frequency and temperature drop are studied.
研究了不同控制管长，不同膨胀比的操作条件下振荡频率、温降的关系。 - To study the effect of the intensity of the opposing jet more appropriately, a new parameter RPA is defined by combining the flux and the total pressure ratio.
这说明该参数可用于表征喷流强度，用以分析喷流对流场及传热量的影响。 - By simulation, although wet compression can effectively reduce the outlet temperature of the compressor, obvious negative side effects exist for low pressure ratio axial compressors.
结果表明，湿压缩能够有效降低压气机出口温度，且应用在压力较高的叶栅流道内更具有优势； - Solve the proportions is Inaccurate and unstable by adjusting the air pressure ratio.
区别于同类产品通过调节气压来进行配比而造成比例不准，或不稳定。 - Compared with the single-nozzle jet aerator, the variations of the entrainment ratio and efficiency with pressure ratio for quad-nozzle jet aerator are remarkable.
相对于单喷嘴射流器，四喷嘴射流器的流量比和效率随压力比的变化显著； - The vibration frequency influences the relationship between pore water pressure ratio and cyclic number significantly; and the pore water pressure ratio decreases with the increase of frequency.
振动频率对孔压比-循环次数关系影响明显，随着频率的增加，孔压比减小； - Double-maximum efficiency is obtained by further optimizing the total pressure ratio.
进一步对总压比优化可得到双重最大效率； - The relations between pressure ratio and leaking coefficient were also explored.
并试验研究了不同转速、齿数工况的封严效果，探讨了篦齿前后压比与泄漏系数的变化关系。 - Flow field indicates conductive value C and the critical pressure ratio b are improved by changing openings.
通过对流场结构的分析表明，改变阀口开度，可以提高阀的音速流导和临界压力比的值； - Moreover, the effects of the ratio of surface to volume on the critical pressure ratio are studied.
并研究了微管道表面积与体积之比值对亚堵塞临界压比的影响。 - The rational selection of jet pumps is based on correct calculation of the dimensionless pressure ratio.
通过分析论证，导出水力喷射泵效率计算中无量纲压力比的正确计算公式，指出文献[1]中无量纲压力比计算公式的错误； - Finally, the chapter poses a cavitation parameter to connect the flow ratio and the pressure ratio.
最后，提出了一种用于联系流量比和压力比的空化系数。 - The impact of injected steam temperature on compressor pressure ratio is relatively small.
注汽温度对压气机压比有较小影响； - The gas saturation and the critical desorption pressure to formation pressure ratio are middling;
含气饱和度、临界解吸压力与地层压力的比值中等； - Double maximum efficiency is achieved by further optimization of the total pressure ratio.
通过进一步优化总压比，又得到了双重最大效率。 - It was found that the dynamic pressure ratio, the number of nozzle and nozzle spacing are significant variables.
结果发现，动压比、喷嘴个数和喷嘴间距是三个重要变量。