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high specific speed
相关语句
  高比转速
     Design method for impeller of high specific speed mixed-flow pump
     高比转速混流泵叶轮设计方法
短句来源
     Study on characteristic of flow for the diversion components of the Francis turbine with high specific speed
     高比转速混流式水轮机引水部件水流特性研究
短句来源
     Design and mapping of impeller blade of centrifugal water pump of high specific speed
     高比转速离心泵叶轮的设计与绘型
短句来源
     Energy Conversion Characteristics of Mixed Flow Water Turbines with High Specific Speed
     高比转速混流式水轮机能量转换特性的研究
短句来源
     Analysis on Two Model Stages of High Specific Speed Centrifugal Compressor
     两个高比转速离心压气机模型级的设计分析
短句来源
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  高比速
     Experimental Research on Structural Parameters of High Specific Speed Axial—pumps
     高比速轴流泵结构参数的试验研究
短句来源
     Hydraulic Instability Problem on the High Specific Speed Francis Turbine
     高比速混流式水轮机的水力稳定性问题
短句来源
     THE DESIGN AND DEVELOPMENT OF HIGH SPECIFIC SPEED PACKAGED AXIAL FLOW TURBINE GENERATING UNIT
     高比速整装轴流式水轮发电机组的设计开发
     The primary analysis and discussion has been carried on the hydraulic instability problems for Francis turbines (especially for the high specific speed turbines) in this paper.
     本文对混流式(特别是高比速混流式)水轮机的水力稳定性问题进行了初步分析和讨论。
短句来源
  高比转数
     DESIGN AND EXPERIMENT OF HIGH SPECIFIC SPEED VOLUTE MIXED FLOW PUMP
     高比转数蜗壳式混流泵的设计与研究
短句来源
     Experimental Research on Mixed Flow Pump Model of High Specific Speed
     高比转数斜流泵模型的试验研究
短句来源
     オhe design method of axial flow pump hydraulic model ZM931 on high specific speed lowlift is introduced, some of practical design methods are put forward.
     介绍了ZM931高比转数低扬程轴流泵水力模型的设计。
短句来源
     Vane adjustable mixed flow pump Model 211 of high specific speed is experimental studied, in order to overcome the defect of hydraulic model of axial_flow pump of China and to meet the requirements of pumps used for pumping stations of the eastern_route sub_project of the Diverting Water from the South to the North Project.
     为了克服我国现有轴流泵水力模型的缺点和满足南水北调东线工程部分泵站用泵的需要 ,试验研究了高比转数可调节叶片斜流泵 2 11模型。
短句来源
  “high specific speed”译为未确定词的双语例句
     EXPERIMENTAL AND INVESTIGATION OF HIGH SPECIFIC SPEED AXIAL PUMP MODEL
     高比转数轴流泵模型的试验研究
短句来源
     DESIGN OF AXIAL FLOW PUMP HYDRAULIC MODELZM931 ON HIGH SPECIFIC SPEED
     ZM931高比转数轴流泵水力模型的设计
短句来源
     DESIGN AND NUMERICAL ANALYSIS ON AN AXIAL-FLOW MODEL PUMP WITH HIGH SPECIFIC SPEED
     高比转数轴流泵水力模型设计与紊流数值分析
短句来源
     The strong vibrations of Francis hydro turbine unit occurr frequently both at home and abroad due to excitation by flowing fluid, and the problems of blade cracks of a runner with middle and high specific speed are commonly observed. The vibrations are possibly endangering the safety operation of the unit.
     近年来,国内外一些大型混流式水轮机机组频频出现强烈的振动现象,尤其是中高比转速水轮机叶片的裂纹现象,在世界各地普遍存在,严重危及到机组的安全运行。
短句来源
     Calculation were performed for five S1 streamsurfaces including crown and shroud for a certain high specific speed mixed flow type hydroturbine runner. Their solution were used to construct a mean S2 streamsurface. An iterative method was used to find the quasi-three-dimension solution.
     对一高比转速混流式水轮机转轮,进行了包括上冠和下环在内的5个S_1流面的计算,用S_1流面的解构造一个中心S_2流面进行迭代求解。
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Based on theoretic analysis and model tests , the experiment data for structural parameters for high specific speed axial—pumps have been deri-rated as follows ,

本文通过理论分析和模型试验,对高比速轴流泵的几个结构参数总结出了以下的试验数据,?d=0.36;(ι/t)缘=0.60;(ι/t)缘/(ι/t)毂=1.3;(β_t)缘=17°~20°;(β_t)毂=60°;(?δ)缘=1.5~2%;(?δ)毂=10-12%,按上述参数设计的MZ-115和MZ-125两个模型转轮,经农机部鉴定:在流量、效率和汽蚀性能等主要指标方面,均已达到国内先进水平,(且填补了我国空白,可供生产单位选用)

A quasi-three-dimensional finite element solution is presented for internal flow applicable to all types of hydro-machine runners. The general equations of S1, and S2 streamsurfaces, in a form more suitable for the hydro-machinery, are derived. Calculation were performed for five S1 streamsurfaces including crown and shroud for a certain high specific speed mixed flow type hydroturbine runner. Their solution were used to construct a mean S2 streamsurface. An iterative method was used to find the quasi-three-dimension...

A quasi-three-dimensional finite element solution is presented for internal flow applicable to all types of hydro-machine runners. The general equations of S1, and S2 streamsurfaces, in a form more suitable for the hydro-machinery, are derived. Calculation were performed for five S1 streamsurfaces including crown and shroud for a certain high specific speed mixed flow type hydroturbine runner. Their solution were used to construct a mean S2 streamsurface. An iterative method was used to find the quasi-three-dimension solution. Detailed and reasonable results are presented.

本文介绍了用有限元法进行水力机械转轮内部流动的准三元计算方法。推导了对水力机械更为适用的S_1和S_2流面的普遍方程。对一高比转速混流式水轮机转轮,进行了包括上冠和下环在内的5个S_1流面的计算,用S_1流面的解构造一个中心S_2流面进行迭代求解。给出了详细的计算结果。

In the refurbishment of the Tian Qiao Hydropower Station, high specific speed of runner,is sleeted and the Kaplan turbine efficiency is enhanced, resulting in enormous economic benefit.

介绍了在天桥水电厂设备更新改造中,择优选用了新型的高比速优秀转轮,使原机组效率提高,引用流量减少,收到了显著的经济效益.

 
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