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- This paper deals with a lump-sum flow analysis of a spiral case, stay ring and vaneless annular walls for a small Francis turbine by the latest CFD code. 本文对常用的小型混流式水轮机涡壳、座环和无导叶环壁面内流动状况用最新的CFD技术进行了整体数值解析。
- Cracks in Francis turbine runner blades threaten the safety, stability and economic profits of the hydropower station. 摘要混流式水轮机转轮叶片裂纹故障严重影响了水电站的安全稳定运行和经济效益的发挥。
- A model francis turbine with two new types of guide vanes is simulated using DES model. 应用脱离涡模型(DES),对两种采用了新型三维导叶的混流式模型水轮机进行了模拟。
- The thermal stress evolution during the solidification process of a Francis turbine band casting bad been simulated by the FDM/FEM integrated system. 摘要基于FDM/FEM方法，对某水轮机下环铸件的整个铸造过程中的热应力进行了模拟计算。
- Vibration Analysis of Mixed Flow Turbine Unit 混流水力机组振动分析
- Francis turbine is applicable for the middle and low water level power station,Both have vertical and horizontal structure,and commonly designed in the scroll. 混流式水轮机用于中、低水头电站，有卧式、立式两种，一般采用金属蜗壳。
- Industrial pumps. Centrifugal, mixed flow and axial pumps. Allowable level for mechanical vibrations. 工业泵。离心泵、混流泵和轴流泵。允许的机械振动级。
- The air flow state of the commonly used mixed flow tunnel drier (MFTD) was measured and studied in this paper. 摘要通过对洞道混合式干燥机气流状态的测试分析，对该机型的结构进行了改进设计。
- Cascade Flow Within Guiding Device of Francis Turbine 混流式水轮机导水机构二重叶栅的流动
- Therefore, this study will try to discuss and analyze the spatiotemporal changing behavior of mixed flow in detail. 本文即探讨与分析道路上混合车流行为的时空变化，进而实现车流预测行为。
- Flow in a Francis turbine with a three dimensional gate vane 应用三维空间导叶的混流式水轮机流动
- The main effects on cavitation performance of large-scale mixed flow pump used in a special propulsion system are analysed. 摘要分析了用于推进系统的大功率混流泵影响汽蚀特性的主要因素。
- Numerical Prediction of Vortex Flow in Francis Turbine for LES 混流式水轮机中旋涡流的LES法预测
- A fault diagnosis equation for the twin-spool mixed flow turbofan engine was established based on the simulation and gas path analysis. 并以此为基础运用气路分析原理,选取表征发动机性能参数变化的症兆变量和测量参数,建立了发动机故障诊断小偏差方程。
- This paper describes a dry-gas getting device which can be relived and reused and is designed for standard dew/frost point generator of mixed flow. 介绍了一种为混合法标准湿度发生器提供干燥气源的可再生重复使用的干气装置。
- Therefore,for the adjustable blade spiral mixed flow pump,the design of fixed guide blade should be paid attention to and the tip clearance of blade should be rationally selected. 因此，对于可调叶片蜗壳式混流泵应重视固定导叶的设计，合理地选择轮缘间隙的大小。
- The Cavitation of Runner Band for Francis Turbine 水轮机转轮下环气蚀
- Some New Views on Francis Turbine Stability 关于混流式水轮机稳定性的几点新认识
- Nowadays, the type of foodstuff dryer in our country is too few, and most of them are crosscurrent model or mixed flow type,which need very huge investment. 目前,我国粮食干燥机形式较为单一,多数为大型的横流式和混流式干燥机,投资大、利用率低,市场上缺少小型简单高效的干燥机。
- Mixed flow compressor achieves better performance and lower tip leakage loss,and flow field at outlet is more uniform in mixed flow impeller than centrifugal impeller. 计算结果表明在高比转速情况下,斜流叶轮有利于减弱叶尖泄漏损失,改善叶轮出口均匀性,提高叶轮效率和级效率。
