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.

1、

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。

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2、

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。

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3、

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。

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4、

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

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5、

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

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6、

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

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7、

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

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8、

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

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9、

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

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10、

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

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11、

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

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12、

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

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13、

The Calculation on Compensation Values of Spread Spiral Casing

金属蜗壳展开补偿计算

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14、

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

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15、

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。

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16、

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

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17、

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

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18、

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

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19、

Plate cutting and shaped of the spiral case of turbine

水轮机蜗壳的下料及成形也谈螺旋焊管在线切割

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20、

Study about Effect of Different Material of Elasticity Cushion Layer on Spiral Case Structure of Turbine

不同弹性垫层材料对水轮机蜗壳结构的影响研究

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