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- This paper introduces the method of casing pressure drop which can be used to measure pump inlet pressure and flow pressure at well bottom. 阐述了套压降低法测泵口压力和井底流压的基本原理、测试方法以及相关的资料处理和计算方法。
- METHOD OF CASING PRESSURE DROP FOR MEASUREMENTS OF PUMP INLET PRESSURE AND FLOW PRESSURE AT WELL BOTTOM 套压降低法测泵口压力和井底流压
- Experimental Study on High Pressure Steam-Liquid Two-Phase Flow Pressure Drop Instability in Parallel Tube 并联管内压力降型水动力不稳定的试验研究
- Drier operates in either flow direction with low pressure drop. 在任何一方向都可操作应用。
- flow pressure drop 流动压降
- 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。
- 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。
- 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。
- Experiment on Two-Phase Flowing Pressure Drop in the Evaporative Cooling System of Hydro-Generators 水轮发电机定子蒸发冷却系统中两相流压降实验研究
- 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。
- When viscous forces predominate the flow is proportional to the pressure drop across the element. 当粘滞力起主导作用时,流量当通过主要部分的压力降或正好。
- 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。
- Criteria for selection is minimum flow, normal flow, maximum flow and pressure drop across the valve. 选型标准是最小流量,正常流量,最大流量和通过阀门的压降。
- Requirement: Supply pressure drop must be 1.0 PSID or above when water flow stops from test cock No. 2. 要求:当测试旋塞2号的水流停止时,供应压降必须等于或大于1.;0PSID。
- Relief piping pressure drop shall be determined using isothermal compressible gas flow equations. 安全泄压管道的压降(阻力降)通过等温压缩气流的公式来确定。
- The more serious the pressure drop, the more curving the single phase oil flow IPR curve is. 井筒内压力损失越大,单相液流IPR曲线的这种背离直线的现象越明显;
- 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。