This program suited for centrifugal pump design and manufacture phase, the method rarely used in the production of the site.
这一方案适于在离心泵的设计制造阶段,该方法在生产现场很少采用。
Least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.
在水泵的选型或运行中,通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。
This paper introduces an testing method and testing equipment for the performance of heat transfering of pipes buried under ground in a ground source heat pump system.
介绍一种地源热泵地下埋管换热性能测试装置及测试方法,并对该装置的用途进行了分析讨论。
A control method for flow is developed in a computer measuring system of automobile engine pump performance.
文章论述一种汽车发动机水泵性能计算机测试系统中流量的控制方法。
The numerical method to calculate the signal and pump interaction in back pumped fiber Raman amplifier is present.
研究了反向泵浦光纤喇曼放大器中泵浦和信号相互作用的数值求解方法。
This paper states the method of selecting and using circulating pump in hot water heating system properly to save electric energy.
合理的选择和使用热水供暖系统循环水泵,以达到节约电能的目的。
This paper puts forward a new method of selecting flow rate for a pump, makes new explanation of four optimum indexes in Ref.
本文提出了一种新的选择泵源流量的方法,并在此基础上对文献提出的四种优化指标进行了新的解释。
A new centering and clamp method was introduced in this text by processing of cylinder surface of pump shell.
通过泵壳在立车上径向外圆的加工,介绍了一种新型的找正、装夹方法。
In accordance with the features of mining centrifugal pump, the paper discusses a method of applying optimal theory for impeller design.
针对矿用离心水泵的设计特点,探讨了应用优化理论进行叶轮设计的方法。
In this paper, an optimum design method is introduced for a synthetic system of liquid pipeline and pump.
对液流管道和泵的综合系统,介绍了一种优化设计方法;
The method noted above has significance for guiding hydraulics and pump working condition design in hydraulic orientation.
该方法对于水力定向时的水力参数设计及钻井泵工况选择具有指导意义。
The theory and design method of liquid-solid jet pump device are proposed in this paper.
本文提出了射流泥浆泵装置的设计理论和方法。
An accurate method for measuring the focal lengths of the pulse pump-induced lenses in laser media is presented and discussed.
提出脉冲激光工作物质热焦距的精确测量方法,并对其进行了讨论。
The thesis introduces the net present value method and the internal rate of return method which are most commonly used in the long term investment of pump enterprises.
介绍了泵业企业长期投资决策中最常用的净现值法和内部收益率法这两种决策方法。
The finite element method is used for the three-dimensional flow field calculation in designing centrifugal pump impellers.
为进行离心泵叶轮的三元设计,用有限元方法解决了离心泵叶轮三元流场的计算问题。
A passive loop filter scheme and the design method of the filter for current charge pump PLL frequency synthesizer chip are given in the paper.
针对电流型电荷泵PLL频率综合器芯片,提出一种称为极值相位裕量的无源环路滤波器方案和设计方法。
The pump power distribution in the single diode directly pumped laser rod with different pumped parameters is simulated using the method of ray trace.
采用光线追迹法模拟计算出单个二极管在不同抽运参数下直接抽运激光棒时,激光棒所吸收的抽运光功率的分布。
This paper presents a method, in which the computer dynamic simulation is used, to evaluate the energy use of WLHP (water loop heat pump) system.
提出闭式环路水源热泵空调系统运行能耗的计算机动态模拟评价方法。
The paper discusses the process design method of vacuum system in chemical plant and the selection method of the key equipment - vacuum pump in the vacuum system.
论述了化工生产中真空系统的工艺设计方法及真空系统中关键设备真空泵的选择方法。
When the finite element method is used in the pump strength analysis, the shell element is often used, which has the same thickness for the whole pump.
用有限元方法做泵的强度验算,一般是使用壳单元,泵的厚度为一个固定值。
A method of fault diagnosis for coolant pump system in nuclear heating pile is presented. It is the application of neuron network in the diagnosis of coolant pump system.
介绍一种诊断核供热堆冷却系统故障的方法,即神经元网络在冷却泵系统故障诊断中的应用。
Electrical submersible pump lifted Wells is the main high rate artificial lift method in the high water cut period, but it is difficult to determine the down hole failure during productions.
油田进入高含水期所采用的电潜泵作为增大排液量的方法,在生产过程中容易出现许多不易判断的井下故障。
The principle of forging hydraulic press by pump direct drive is introduced in this paper, the math model, control method and strategy are also described.
介绍泵直接传动的锻造液压机工作原理,对其控制机理、数学模型、控制策略进行了研究,并成功地应用于生产实践中。
This paper adopts the fourth theory of strength to decide the maximum depth of tubing pump. A better effectiveness is attained through applying the method in Wenliu Oilfield.
文章采用第四强度理论来确定最大下泵深度,并在文留油田的应用中取得了较好的效果。
Based on principle in speed regulation of centrifugal pump, method of speed regulation calculation for energy saving and its effects have been studied.
本文从离心泵变速调节原理入手,探讨了以节能为目标的离心泵变速调节的计算方法和效果。
The paper introduces the method to determine the stroke and flow of centrifugal pump, and discusses the saving-energy technology in the process of stroke regulation.
介绍了离心式水泵扬程和流量确定方法,并对扬程调整改造中的节能技术进行了探讨。
Aiming at a typical component in towed concrete pump, a simple and practical clamp and machining method are suggested in the paper.
文章针对拖式混凝土泵车中的一种典型零件,介绍一种简单、实用的外圆磨削夹具及零件的加工方法。
Geothermal Heat Exchanger is a key component in Ground-Coupled Heat Pump systems, but a length calculation method of convenient, correct and suitable for applications does not exist.
地埋管换热器是地埋管地源热泵系统的核心组件,但至今其长度计算尚无一种便捷、正确又易于应用的方法。
The method of direct measurements of the lifetime using the pump and probe technique was discussed in this paper.
本文介绍了利用泵浦探测技术直接测量钕离子下能级寿命的方法。
Presents the calculating method of ground heat exchanger in the ground-source heat pump system.
介绍了该别墅地埋管地源热泵空调系统中地埋管换热器的计算方法。
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