The result of this research provides a reliable theoretical basis for using computer to calculate the turbulent flow resistance coefficient.
此项研究结果为用计算机进行紊流阻力系数的计算提供了可靠的理论依据。
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。
The calculation formulas of the resistance coefficient in open channel flows were summarized according to different flow patterns and flow regions.
按不同流态及流区对明渠水流阻力系数的计算公式进行了归纳和总结。
The grooves on the heated surface lowered the flow resistance and enhanced the film heat transfer coefficient 2-3 times that of flat plates.
相同雷诺数的槽板平均表面换热系数是平板的2~3倍,同时减小了流动阻力。
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。
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 model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
建立了摇摆条件下圆管内的层流流动模型,推导出无量纲化的速度表达式,得到摩擦阻力系数关系式。
The flow resistance for water and air flowing through the mini-fin structure was less, while heat transfer coefficient was higher than in the sintered bronze porous structure.
与相近孔隙率的锡青铜烧结多孔结构相比,该微细板翅结构中的流动阻力大大减小,而对流换热能力却增强。
Discusses the streamlines in central plane and presents some expressions for flow rate and resistance coefficient.
讨论了中心面上的流线。给出了流量以及阻力系数的计算式。
Admittance parameters of the virtual branch can be obtained by object shunting coefficient, Thevenin's equivalent resistance and the admittance of the primary branch of power flow off-limit.
虚拟支路的导纳参数可由目标分流系数、戴维南等效阻抗及原潮流越限支路导纳获得。
Porosity, surface density, thickness, flow resistance, structure factor and other factors affect the sound absorption coefficient.
孔隙率,面密度,厚度,流阻,结构因数因素综合影响其吸声系数。
Porosity, surface density, thickness, flow resistance, structure factor and other factors affect the sound absorption coefficient.
孔隙率,面密度,厚度,流阻,结构因数因素综合影响其吸声系数。
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