spiral casing
英 [ˈspaɪrəl ˈkeɪsɪŋ]
美 [ˈspaɪrəl ˈkeɪsɪŋ]
网络 蜗壳; 螺旋套
双语例句
- Reason Analysis and Treatment of Weld Crack in Water Drain Valve Base of Spiral Casing in Longtan Hydropower Station
龙滩电站蜗壳排水阀阀座焊接裂纹产生原因及处理 - Hydraulic design of spiral casing with non-circular section and its verification with CFD analysis
全蜗壳的非圆形断面水力设计及其CFD分析验证 - Long with increase of unit capacity and work head for hydraulic turbine, upgrade of steel plate strength used for spiral casing is needed.
随着水轮机单机容量和使用水头的提高，对蜗壳钢板的强度要求也相应提高，因此，研究高强度蜗壳钢板势在必行。 - The thesis analyses the advantage of the ERW tubing and casing comparing with spiral welding tube and seamless casing and tubing, introduces its main manufacturing process and facility, bring forward the feasibility and necessary of importing the oversea manufacturing technology to produce the ERW tubing and casing.
对比、分析了直缝焊管与螺旋焊管和无缝管作油井管的优势，简要介绍了ERW油井管的生产流程和主要设备，提出了积极引进国外生产技术，生产ERW油井管的可行性和必要性。 - Research and Design of Eight Profiles of Flow Duct in Spiral Casing of Centrifugal Pumps
离心泵蜗壳八个断面的设计研究 - Influence of rock resistance and temperature difference on the spiral casing structure of large-sized hydropower station
岩石抗力和内外温差对大型水电站蜗壳结构的影响 - Strength and stiffness analysis of spiral casing with different embedded manners
水轮机蜗壳不同埋设方式的流道结构刚强度分析 - There exists a spiral clearance space in the API round thread casing joint which is effected by the thread tolerance ranges.
API套管圆螺纹自身存在牙间间隙，并形成螺旋状空间间隙带。 - Experimental studies were carried out in a model turbine with a complete spiral casing.
实验是在一带蜗壳的模型导水机构装置上进行的。 - The Research of Numerical Simulations on Internal Flows Through the Spiral Casing and Stay Vanes
水轮机蜗壳和固定导叶内部流动的数值模拟研究 - Numerical simulation of three-dimensional turbulent flow through a turbine spiral casing with stay ring and guide vanes
混流式水轮机蜗壳与座环三维中湍流场的数值模拟 - In the article, spiral casing structure simulated by three-dimensional computerization takes on high imitation, utility, higher economic benefits, meanwhile it will resolve actual project problems.
本论文就是采用该方法对蜗壳结构进行三维仿真，计算成果说明该方法具有很高的仿真性、使用性及较高的经济效益，可以有效地解决工程实际问题。 - A Hydraulic Design Method of Sheet Metal Spiral Casing of Water Turbine
水轮机金属蜗壳水力设计方法研究 - CFD Analysis of Flow Inside Spiral Casing and Stay Vanes of Waterpower Recycle Equipment
水能回收装置引水部件内部流场的CFD分析 - This paper summarizes soft development and technology of spreading of elliptical spiral casing based on approximate elliptical spiral casing ( major and small circle casing).
主要介绍椭圆蜗壳按近似椭圆蜗壳（即大小圆蜗壳）展开的软件开发与制作工艺过程。 - Different geometry of stay vanes applied to reduce loss is discussed in the paper, so as to compensate lack of spiral casing and improve hydraulic efficiency.
本文探讨了通过沿圆周分布不同形状的固定导叶来降低损失，以克服此种蜗壳自身的不足，提高转轮的水力效率。 - On the equation of nozzle curve of spiral casing in water power electrical station
水电站蜗壳进口曲线方程 - Influence of Changing Temperature on Reinforcing Bars of Spiral Casing Structure in a Hydropower Station
温度变化对水电站蜗壳结构配筋的影响 - The Calculation on Compensation Values of Spread Spiral Casing
金属蜗壳展开补偿计算 - Numerical simulation of internal flow through the spiral casing of centrifugal pump
离心泵压水室内部流动数值模拟 - Renovation on Spiral Casing of Twin-screw Pump and Application
双螺杆泵螺旋套的改造与应用效果 - Analysis and Discussion on Giant Spiral Casing Embedded with Soft Cushion Layer Estimation of Permeability of Bedding Materials and Leakage through Concrete-face in CFR Dam
巨型水电站采用垫层蜗壳的分析与探讨混凝土面板堆石坝垫层透水性和面板裂缝渗漏的估算 - The computation domains of spiral casing and impeller have been respectively decomposed by structured grid. 3 、 Based on numerical simulation for whole centrifugal pump, numerical calculation is applied for the 3-D incompressible turbulent flow about three pairs of centrifugal pump impellers with long and short blades.
基于整机数值模拟，对3副长短叶片的离心泵进行了三维湍流数值模拟研究。 - In order to simulate the residual stress and deformation of large-scale spiral casing of water turbine, the welding heat source model and the temperature field of multipass welding are studied in this paper.
为了对大型水轮机蜗壳的焊接残余应力和变形进行数值模拟，本文首先对焊接热源模型及多层多道焊的温度场进行了研究。