Moreover, flow distribution was also calculated by free-vortex flow pattern and compared with that by iso-reaction coefficient flow pattern. Relative evaluation …
同时还对自由涡流型进行了计算,把这两种流型的计算结果作了比较,并对这两种流型的风扇进行了评价。
The results show that at any Angle between axes of inclined swirl control valve and crank shift, flow coefficient and inclined swirl ratio increase gradually with increase of valve opening.
研究结果表明,在任意可变斜轴涡流控制阀轴线与曲轴轴线夹角情况下,流通系数和无因次斜轴涡流比随着阀片开度的增大而逐渐减小。
Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.
侧板后掠角大小和整流罩位置变化时,对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。
And three-dimensional sidewall compression inlet with 25 percent cowl position has high mass capture and total pressure recovery coefficient and isolator exit flow flied is homogeneous.
整流罩位置为25%的三维侧压进气道可以获得较高质量捕获和总压恢复系数,且隔离段出口流场比较均匀。
Low friction-the coefficient of friction between the chip and tool should be low. This would allow for lower wear rates and better chip flow.
低摩擦系数—切屑与刀具间的摩擦系数应当较低。这会使磨损率较小及切屑流动更好。
In the flow, the leakage rate 10 rated flow coefficient.
在流向上,泄漏量10额定流量系数。
The results show that the couple stress fluid flow behavior depends on not only the coefficient of viscosity, but also the material constant responsible for the couple stress parameter.
所得结果表明应力偶流体运动特性不仅依赖于物质粘性常数,而且强烈地依赖于应力偶流体特有的与固体颗粒尺度有关的物性常数。
For a new well, it is an important work to determine initial reservoir pressure, effective permeability, summary skin coefficient, supplementary pressure loss and flow efficiency.
对于一口新井,确定原始地层压力、有效渗透率、总表皮系数、附加压力损失和流动效率,是试井的重要任务。
The critical intensity arrival time is influenced by input flow intensity, coefficient of variation, hump-working load, etc.
临界密集到达时间受到达流强度、变异系数、驼峰作业负荷等因素的影响。
The last step the flow coefficient of the checked apparatus is determined, and we print the certification of proof.
最后确定被校表的流量系数,并打印证书。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV).
根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
The film hole flow coefficient is increased with momentum ratio, especially when momentum ratio is small.
气膜孔流量系数随动量比的增大而增加,在小动量比下,影响尤为明显;
By using dual timing method the calibrator for calibrating coefficient of instrument of pulsed flow transducer is designed.
利用双时间法设计了用于检定脉冲型流量传感器仪表系数的检定仪。
Its shortcoming is mainly the resistance to flow coefficient is quite big, therefore creates the pressure loss, in the hydraulic unit, this pressure loss especially is specially obvious.
其缺点主要是流阻系数比较大,因此造成压力损失,特别是在液压装置中,这种压力损失尤为明显。
The swirl ratio and flow coefficient can be obtained through the traditional steady flow test in diesel helical intake port.
对某柴油机螺旋进气道进行传统的气道稳流试验,得到了涡流比和流量系数。
Using the prediction software of the fire smoke flow properties in the building, the effect of the flow coefficient on the fire smoke flow was also studied.
同时,运用建筑物火灾烟气流动性状预测计算软件,分析了门窗开度及流量系数对火灾烟流的影响。
The intake port performance (swirl number, flow coefficient) has an important effect on power, economy and emissions of diesel engine.
进气道性能(涡流强度、流量系数)对柴油机的动力性、经济性和排放有重要影响。
The design of port is depended on steady flow test to obtain swirl ratio and flow coefficient and use them to evaluate the performance of intake port.
长期以来进气道的设计主要是依靠气道稳流试验测量其涡流比和流量系数来评定气道的性能。
If the coefficient of engagement overlap decreases, the flow aggrandize, trapping volume and the flow pulsating ratio decreases.
随著齿轮啮合重合系数的减小,齿轮泵的流量增大,困油容积和流量脉动率减小。
In this paper, the influence of flow coefficient of injector hole, hole diameter and needle lift on emission is studied through contrast experiment of different injectors.
本文通过对柴油机配置不同喷油器所进行的排放对比试验,研究分析了喷油器喷孔流量系数、喷孔直径、针阀升程对排放的影响。
The effects of effective spray coefficient and water spray flow rate on fire suppression mechanism are investigated.
对有效喷淋系数和喷淋水流率对灭火效果的影响进行了研究。
After a detail calculation and analysis, the reason that the flow distribution coefficient of a flow divider in the primary reheater was too small had been found.
在进行了详细的计算分析后,发现主要是由于低温再热器进口流量分配器流量分配系数太小所致。
Analyzes the multi - flow condenser's coefficient, and obtains the calculative method of the multi - flow condenser's heat transfer by iteration.
分析了多元平行流冷凝器的换热系数,并应用迭代原理得出多元平行流冷凝器的换热计算方法。
The flow coefficient has no relation to pressure, but the nozzle hole diameter.
喷嘴流量系数受喷嘴孔径影响,并与雾化压力有微弱关系。
In the fast decoupled load flow problem, the coefficient matrix is constant. According to this property, a fuzzy inference method is applied to solve the load flow problem.
根据快速解耦潮流方程中系数矩阵是常数矩阵的特点,抽象出模糊命题,提出采用模糊推理的方法求解潮流问题。
A new method is established to determine flow coefficient which can well describe the imbibition phenomenon due to the action of capillary force.
提出了一种新的流动系数取值方法,能够准确描述停注过程中毛管力作用引起的吸渗现象。
Forth, flow revision coefficient is studied and analyzed.
四是对流速修正系数进行了分析和研究。
Forth, flow revision coefficient is studied and analyzed.
四是对流速修正系数进行了分析和研究。
应用推荐