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双流道泵     
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  double-channel pump
     Design and Experimental Research on Double-channel Pump of Solid-liquid Two-plase
     固液两相双流道泵的设计与试验研究
短句来源
     Advances in Hydraulic Design of Double-channel Pump
     双流道泵水力设计研究现状及发展方向
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     Study on Optimum Hydraulic Design of Double-channel Pump
     双流道泵优化水力设计
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     In this thesis a non-overload performance forecasting method of the double-channel pump was provided: β2 is the blade back outlet angle;
     提出了双流道泵无过载性能预测的计算方法:! 2应取叶片背面出口安放角;
短句来源
     The proposed grid generation algorithm is found to be effective and efficient in body-fitted grid generation of double-channel pump impeller, and can be also used for other irregular configurations after adjusting.
     研究表明:利用块结构化网格技术牛成的双流道泵叶轮计算网格品质良好,能有效提高叶轮内流分析前处理环节的效率和精度; 编写的三维网格生成程序针对性强,可进一步用于双流道泵叶轮的参数化网格生成研究,且具有一定的通用性,经改进也可用于其他非规则几何形状流道网格的自动生成。
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  double channel pump
     4) Basis on the hydraulic test, the hydraulic performance and wear of flow parts of the double channel pump delivering different liquid-solid fluid are studied, and some performance and wear features are revealed, which lays experimental and theoretical basis to further research.
     4)在试验基础上,对双流道泵输送含不同固体颗粒的固液两相流的水力性能及过流部件的磨损情况进行了研究分析,得出了双流道泵在输送该两相流时的水力性能变化及磨损情况,为以后进一步深入研究积累了经验基础和理论基础。
短句来源
     The Design and Experimental Research on Underwater Liquid-solid Two Phase Double Channel Pump
     水下运行环境的固液两相双流道泵的设计与试验研究
短句来源
     On the basis of analyses of hydraulic losses, volume losses and machinery losses of impellers and volutes of double channel pumps, the performance prediction methods of the head curve and efficiency curve of double channel pump were provided.
     通过对双流道泵叶轮和蜗壳里的水力损失、容积损失、机械损失的分析 ,提出了双流道泵扬程曲线、效率曲线的性能预测方法。
短句来源
     The 3 D turbulent flow in the impellers of double channel pump was simulated.
     对双流道泵叶轮内 3维不可压湍流流动进行了数值模拟。
短句来源
     Research of 3-Dimension Solid Model on the Double Channel Pump
     双流道泵三维实体造型过程的研究
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  double-channel pumps
     Performance prediction of double-channel pumps
     双流道泵性能预测的研究
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     Improved method for hydraulic design of double-channel pumps
     双流道泵水力设计的研究
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     Numerical Simulation for Incompressible Turbulent Flow in Impellers of Double-Channel Pumps
     双流道泵叶轮内湍流的数值模拟
短句来源
     On the basis of many tests and designs, an improved method for the hydraulic design of double-channel pumps was provided, and some main parameters of the impeller and volute by statistics and analysis were concluded.
     在大量试验研究和设计实践的基础上,对双流道泵叶轮和蜗壳的一些主要几何参数进行了统计分析,发展和完善了双流道泵水力设计方法。
短句来源
     The research results have been applied to the product design of double-channel pumps.
     研究成果已经被大量应用到双流道泵产品开发中。
短句来源
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  “双流道泵”译为未确定词的双语例句
     The calculation methods of friction losses, diffuser losses and main local hydraulic losses of impellers and volutes of double channel pumps were given.
     分别给出了双流道泵叶轮和蜗壳内各种摩擦损失、扩散损失 ,及主要局部损失的计算方法。
短句来源
     The calculation methods on the inlet diameter D_3 and width b_3, the tongue angel φ_0 and area F_3, and area ratio y were given.
     总结了双流道泵蜗壳基园直径D3、进口宽度b3、隔舌角φ0和面积比系数y的计算公式。
短句来源
     NUMERICAL GENERATION OF 3D BODY-FITTED BLOCK-STRUCTURED GIRD FOR DOUBLE-CHANNELPUMP IMPELLER
     双流道泵叶轮三维块结构化贴体网格生成
     The calculated velocity, pressure and turbulent kinetic energy distributions of the turbulent flow in double channel pumps were given for the first time, which will be helpful for the optimal design and performance prediction of double channel pumps on the basis of flow field simulation.
     计算结果首次揭示了双流道泵叶轮内湍流流动的速度分布、压力分布和湍动能分布规律。 研究结果可以用来对双流道泵进行性能预测并为双流道泵的优化设计创造了条件
短句来源
     The objective function was gotten by the single target method and loss extremum method. Considering the effect of some main parameters of the impeller and volute, on the efficiency of the pump the design variabless were determimed. Its boundary restriction conditions and performance restriction conditions were provided.
     研究了双流道泵的优化设计方法 ,采用单目标方法和损失极值法建立了目标函数 ,同时考虑了叶轮和蜗壳的主要参数对泵效率的影响 ,并依此提出了优化设计的设计变量 ,分析给出了其边界约束条件和性能约束条件。
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The 3 D turbulent flow in the impellers of double channel pump was simulated. By using the time averaged N S equations and the k ε turbulent model modified to consider the curvature and rotation, applying SIMPLE C algorithm to make pressure velocity correction equation, the calculation was carried out with Body fitted Coordinated grid. The calculated velocity, pressure and turbulent kinetic energy distributions of the turbulent flow in double channel pumps were given for the first time, which will...

The 3 D turbulent flow in the impellers of double channel pump was simulated. By using the time averaged N S equations and the k ε turbulent model modified to consider the curvature and rotation, applying SIMPLE C algorithm to make pressure velocity correction equation, the calculation was carried out with Body fitted Coordinated grid. The calculated velocity, pressure and turbulent kinetic energy distributions of the turbulent flow in double channel pumps were given for the first time, which will be helpful for the optimal design and performance prediction of double channel pumps on the basis of flow field simulation.

双流道泵叶轮内 3维不可压湍流流动进行了数值模拟。计算采用了雷诺时均 N - S方程和修正了的 k-ε湍流模型 ,计算在体贴坐标系和交错网格中进行并采用了 SIMPL E- C算法。计算结果首次揭示了双流道泵叶轮内湍流流动的速度分布、压力分布和湍动能分布规律。研究结果可以用来对双流道泵进行性能预测并为双流道泵的优化设计创造了条件

In this paper the optimum hydraulic design of double channel pump was studied. The objective function was gotten by the single target method and loss extremum method. Considering the effect of some main parameters of the impeller and volute, on the efficiency of the pump the design variabless were determimed. Its boundary restriction conditions and performance restriction conditions were provided. A few design examples of double channel pumps indicated that the method proposed by this paper is practicable...

In this paper the optimum hydraulic design of double channel pump was studied. The objective function was gotten by the single target method and loss extremum method. Considering the effect of some main parameters of the impeller and volute, on the efficiency of the pump the design variabless were determimed. Its boundary restriction conditions and performance restriction conditions were provided. A few design examples of double channel pumps indicated that the method proposed by this paper is practicable and efficient.

研究了双流道泵的优化设计方法 ,采用单目标方法和损失极值法建立了目标函数 ,同时考虑了叶轮和蜗壳的主要参数对泵效率的影响 ,并依此提出了优化设计的设计变量 ,分析给出了其边界约束条件和性能约束条件。几个优化设计的双流道泵实例表明本文所述的方法是有效的

The 3-d turbulent flow in the impellers of double-channel pump issimulated in this paper. By using the time-averaged N-S equations and the k-eturbulent model modified to consider the curvature and rotation, applying SIMPLE-Calgorithm to make pressure-velocity correction equation, the calculation is carriedout with Body-fitted Coordinated grid. The calculated velocity and pressuredistributions of the turbulent flow in double-channel pumps are given for the firsttime, which will be supportive to the optimal design...

The 3-d turbulent flow in the impellers of double-channel pump issimulated in this paper. By using the time-averaged N-S equations and the k-eturbulent model modified to consider the curvature and rotation, applying SIMPLE-Calgorithm to make pressure-velocity correction equation, the calculation is carriedout with Body-fitted Coordinated grid. The calculated velocity and pressuredistributions of the turbulent flow in double-channel pumps are given for the firsttime, which will be supportive to the optimal design and performance prediction ofdouble-channel pumps on the basis of flow field simulation.

双流道泵叶轮内三维不可压湍流流动进行了数值模拟。计算采用了雷诺时均N-S方程和修正了的k-e湍流模型,计算在体贴坐标系和交错网格中进行并采用了SIMPLE-C算法。计算结果揭示了双流道泵叶轮内湍流流动的压力分布和速度分布规律。研究结果可以用来对双流道泵进行性能预测并为双流道泵的优化设计创造了条件。

 
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