We study adaptive computation of drag-coefficient of flow around a cylinder.
研究圆柱绕流中拉力系数的自适应计算问题。
In addition, the influences of the parameters such as diameter, velocity and concentration of petroleum coke on the average coefficient of flow resistance were discussed.
此外,讨论了管内流速、管径大小和浓度对平均阻力系数的影响。
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。
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。
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。
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 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。
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。
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 simulation by adding stable state fault was used to study the effect of flow resistance coefficient of oxidant pipe in gas generator and chamber and oxidant temperature on the engine parameters.
用添加稳态故障的方法分析了燃气发生器和燃烧室氧化剂管路流阻系数,以及氧化剂温度对发动机参数的影响。
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。
Also the paper lists the factors mostly affecting the mass flow measurement consecutively as steam density, expandable coefficient, inner diameter and flow coefficient of the throttle element.
指出对质量流量影响最大因素依次为蒸气密度、可膨胀系数、节流件内径及流量系数。
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。
Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies.
计算了圆柱的升阻力系数、尾涡脱落频率等描述绕流问题的主要参量。
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 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。
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。
This term is a product among the non-Darcy coefficient, the fluid density and the square of flow velocity.
非达西项是非达西系数、流体密度和流速平方的乘积。
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。
Maximum influencing factors of flow fluctuation coefficient are the elastic modulus of the oil and the working pressure of the pumps, the piston number being a minor factor.
同时指出流量脉动系数最大的影响因素是油液的弹性模量和油泵的工作压力,其次是柱塞数。
The change rules of aerodynamic parameters including lift coefficient, drag coefficient and pitch moment coefficient have been analyzed when Angle of attack and fuel flow rate is changed.
考虑了不同飞行攻角、不同燃料流率下气动参数,包括升力系数、阻力系数和俯仰力矩系数的变化规律。
The slip coefficient B is introduced in momentum equation of one dimensional nucleating flow.
本文在一元蒸汽凝结流动量方程中引入了滑移系数B,考虑两相滑移的影响。
The principle of target flow-meter was introduced and design the intelligent small-flow target flow meter based on a modification method of flow coefficient shifted with small-flow.
介绍了靶式流量传感器的工作原理,对小流量流动流量系数的变化提出了修正方法并研制了智能型小流量测量的靶式流量计。
The principle of target flow-meter was introduced and design the intelligent small-flow target flow meter based on a modification method of flow coefficient shifted with small-flow.
介绍了靶式流量传感器的工作原理,对小流量流动流量系数的变化提出了修正方法并研制了智能型小流量测量的靶式流量计。
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