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- In the present paper, the three-dimensional steady turbulent flow is simulated through the whole flow passage of the Kaplan turbine model after the experiment on the turbine. 本文在进行模型水轮机试验的基础上,完成了开敞式蜗壳轴流式模型水轮机的全流道三维定常湍流计算。
- Numerical simulation of the steady cavitating turbulent flow in the whole flow passage of a Kaplan turbine has been carried out by using a full cavitation model and a mixture two-phase flow model. 摘要采用一种完整空化模型和一种混合流体两相流模型，对轴流式水轮机全流道内的定常空化湍流流动进行了数值模拟。
- turbulence simulation of the whole flow passage 全流道湍流计算
- NUMERICAL SIMULATION OF UNSTEADY CAVITATING TURBULENT FLOW IN THE WHOLE FLOW PASSAGE OF A KAPLAN TURBINE 轴流式水轮机全流道内非定常空化湍流的数值模拟
- NUMERICAL SIMULATION OF UNSTEADY CAVITATEVG TURBULENT FLOW IN THE WHOLE FLOW PASSAGE OF A KAPLAN TURBINE 轴流式水轮机全流道内非定常空化湍流的数值模拟
- whole flow passage 全流道
- A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity. 扩散道风洞中的气流变迁，将会调整度的气体或液体流降到低速
- The working principles of nozzles with plane and cylinder spiral flow passage respectively, are analyzed from the angle of hydrokinetics. 从流体动力学角度分析了平面螺旋流道型和圆柱螺旋流道型喷嘴的工作原理。
- Furthermore it discusses the ways of the restriction solution of expert system in details and the whole flow of ATR. 详细探讨了基于专家系统的约束处理方法,以及列车自动调整的总体流程。
- The results show that a part of the flow passage of the valve seat is occupied by the cavity under the valve head, leading to a decrease of flow rate. 研究结果表明：阀碟下方的空穴区占据了阀座喉部通流面积的一部分，使得有效的通流面积减小，影响了阀门的通流能力；
- In the reconstruction of Changqiao Waterworks, an underground water abstractive flow passage was designed to replace the routine absorbing well. 在长桥水厂改造中,结合渠道输水,借鉴大型立式泵常用 的前池和流道形式,设计了埋地式吸水流道,代替常规吸水井。
- However, inlet, the first part of flow passage, works as a collector and guider.The flow field of inlet should be studied in detail. 进风口作为气体流动经过的第一个部件，起到了引流导流的作用，进口流场值得深入研究。
- The whole flow is divided into three different regions,each being subject to a treatment by the basic aerodynamic flow equations. 将叶栅的整个区域分为三个流动区域并应用流体力学中的基本方程式分别进行了处理。
- During the design procedure for axial flow blood pump, proper blade number is important to whole flow performance in the pump. 在人工轴流心脏泵的设计过程中,叶片数目的选取对泵的工作条件的影响很大。
- Structured and unstructured grids were combined to whole flow area for CFD simulations under the designed working situation. 通过全流道的计算机数值模拟结果,并结合血液泵传输过程中的要求进行分析,最终得到了合适的轴流血液泵叶片数目。
- By controlling the piston stroke and the resistance on flow Passage,the fluid lift height and the pump speed can be controlled,thereby ideal lifting effect can be achieved. 通过控制活塞行程及泵内流道阻力，从而控制泵举升液柱的高度和泵的运行速度，取得理想的举升效果。
- By using the casing pump,the maximum fluid lift height,actual fluid lift height,stroke of the pistonand the resistance on flow Passage should be determined. 应用套管泵时，应计算确定泵的最大举升液柱高度、实际举升液柱高度、活塞行程和流道阻力。
- Two type newly developed rotary valves for mine use are introduced.They are characterised by single or double cylinder valve cores which form a flow passage of U or O shape. 介绍了两种新研制的矿用旋转阀，两阀的特点是阀芯为单柱或双柱体，构成U或O形的过流通道，在全启至闭的整个调节范围内，通道形状保持不变而面积为线性变化。
- The rotational jet and local oxygen enrichment can improve the mixing of oxygen and pulverized coal, but the effect of coal injection is weak on the whole flow field in blowpipe. 结果表明，氧-煤喷枪的漩流、富氧率等仅在氧枪出口的有限区域内对流场有较大的影响；
- It is at least formed from several layers of oblique-type mellapak structured packing layer in which the medium flow passage with a certain obliqueness is respectively set. 所述的轴向导流的板波纹规整填料层的高度小于或等于相邻层的斜型板波纹规整填料层高度；
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
