Strengthen administration, make great efforts to upgrade management level of water conservancy project; For an incompressible fluid flowing in a line of pipes and pumps in series, Bernoulli's equation can be effectively applied to solve any particular flow problem. 加强管理努力提高水利工程管理水平对于不可压缩流体在一条串联管路上流动的计算,伯努利方程的应用是十分广泛而有效的。
The Dynamic Behavior of Slurry Transport by Single Pump or Two Pumps in Series 单泵及双泵串联泥沙输送动态特性研究
Prediction of Performance for Dissimilar Centrifugal Pumps Coupled in Series or in Parallel 不同特性泵串并联系统的性能预测
Study on Characteristic of Water Source Heat Pumps in Series 水源热泵机组水源侧串联运行特性研究
This paper gives out two instances of using hydraulics and thermodynamics methods respectively to test the efficiency of centrifugal pumps. Cavitation Phenomenon in Water Supply System Moving by Means of Series Connection of Parallel Connection Centrifugal Pumps and The Pumps Rational Distance of Series Connection 本文通过两种不同测定方法的比较性试验,对用热力学方法和水力学方法测定井下主水泵效率进行了综合性评价;并联泵组串联运行的气蚀现象与合理串联间距
Research on control of waterhammer in complex pump system with multi pumps in parallel and series 多泵并串联复杂泵系统水锤分析及其控制
Analysis of energy savings for the pumps in series ice storage system 串联冰蓄冷系统设计中的泵能耗分析
In addition to the methods, some proposals such as the sour gas temperature entering the absorber, the temperature detection in the absorber, the lean solution circulation boosting by pumps in series and the material of the stripping still shell are made. 此外,还对脱硫装置的原料气进塔温度、吸收塔内温度检测、循环溶液串联加压、汽提塔筒体材质等提出了建议。
The pump-control-pump ( PCP) technique based on two pumps connected in series is put forward to regulate the output pressure and flux of water flooding system and to make the high-pressure and high-power water flooding pump working with high efficiency by means of preceding booster. 基于双泵串联的泵控泵技术,利用前置小功率增压泵来调节系统压力和流量,使高压大功率注水泵高效工作。
The principles of adjustment method for centrifugal pump ′ s operation, including throttling adjustment, flow dividing adjustment, adjustment through coupling pumps in series or in parallel, and rotating speed adjustment are introduced. 详细介绍了离心泵的节流调节、分流调节、串并联调节和变速调节等主要运行调节方式的调节原理、调节方法、调节范围。
The characteristics of water source heat pumps combined with deep and shallow wells, in which well side heat pumps were connected in series, were investigated through design example, for the purpose of father utilization of groundwater source. 基于对地下水资源进一步深度利用和节能的目的,结合具体工程设计实例对深浅井蓄热型水源热泵系统以及多台水源热泵机组井水侧串联、井水多级提取利用的系统方案进行应用性研究。
The PZT actuators are driven at a phase difference of 180 °, which is equal to two one chamber pumps running in series. 两个压电薄膜驱动器交叉工作(即驱动相位相差180°),相当于两个独立的单腔体泵串联工作,使该泵具有较高的输出压力和流量。
A novel down-hole mixing heavy oil pump was developed in terms of connecting two conventional pumps in series. 通过对常规泵进行串联、改造,研制出了井下掺液抽稠油泵。