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- Keywords CDQ;annular flue;pressure drop coefficient;numerical simulation; 干熄焦;环形集气道;压力损失系数;数值模拟;
- pressure drop coefficient 压力损失系数
- Watch pressure drop on pressure gauge. 手表压力在压力标准度量上降低。
- Valve exhibits high pressure drop. 阀门出现高压降。
- Homogeneous model and three separated flow models, i.e., L-M model, Chisholm B coefficient model and Friedel model, are employed to analyze the measured pressure drop data. 最后,利用均相模型和三个两相流动模型(L-M模型,Chisholm B系数模型和Friedel模型)对微通道沿程压降进行分析和比较。
- Based on the relationship between the resistance coefficient and gas Reynolds number, a new equation used for the calculation of the pressure drop was derived. 对实验结果进行回归得到了阻力系数与气相雷诺数的关系,并提出了新的气相压降计算模型。
- DID THE PRESSURE DROP TO 0 PSI AND A "NO DRIVE" CONDITION OCCUR? 压力是否降至0PSI而且条件"NO DRIVE"出现?
- However, the pressure drop occurs almost completely in the plug. 然而,压力降几乎完全发生在多孔塞中。
- Drier operates in either flow direction with low pressure drop. 在任何一方向都可操作应用。
- Presents the theoretical model of pressure drop for flexible duct. 摘要介绍了柔性风管压力损失的理论模型。
- They are commonly used where a minimum pressure drop is important. 通常用在要求压降最小的应用场合。
- Read the pressure drop across the valve with a Watts Series PG meter. 利用美国瓦茨系列PG仪器读出通过阀门的压降。
- Based on a lot of experimental data, the empirical correlations of single-phase heat transfer coefficient, condensation heat transfer coefficient and pressure drop factors are given. 根据大量实验数据,得到了计算对流换热系数、冷凝换热系数及阻力系数的经验关联式。
- Further more, the empirical formulas about average heat transfer coefficient and pressure drop of the DAE-2 tube and DAEC tube are given in this paper, which can be used to design condensers. 此外,本文给出了DAE-2管和DAEC管平均换热系数及阻力损失的计算关联式,可用于冷凝器设计。
- For compressible fluids, where pressure drop exceeds half the inlet pressure. 对于可压缩性流体,如果压降超过进口压力的一半。
- For non-compressible fluids, where pressure drop causes cavitation or flashing. 对于不可压缩性流体,如果压降产生空穴或闪蒸。
- Using grid-baffles as supporting structure of the tube handles not only can reduce the flow induced vibration, but also can increase heat transfer coefficient, and decrease the pressure drop. 折流栅作为管束的支撑结构不仅可以减轻流体诱导振动,而且可提高换热系数,降低压降。
- Adjust balancing valve until pressure differential gauge reads pressure drop required for desired flow rate gpm. 调整平衡阀直到压差表读出压降符合所要求的流量(加仑/分钟)为止。
- The inventory of solids in a fluidized bed can easily be found by pressure drop measurements across the bed. 流化床内的固定藏量可以用测定床层的压降办法很容易地求得。
- Requirement: Supply pressure drop must be 1.0 PSID or more when water flow stops from test cock No. 2. 要求:当水流从测试旋塞2号上停止时,供应压降必须在1.;0PSID及以上。