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水斗式水輪機噴嘴及水斗應(yīng)力和振形研究
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    摘要:

    為分析水斗式水輪機轉(zhuǎn)輪斷裂失效原因，應(yīng)用UG軟件對轉(zhuǎn)輪和噴嘴建立三維造型，并利用ANSYS軟件對運行的單個斗葉進行應(yīng)力分析，確定了斗葉的應(yīng)力分布，得到最高應(yīng)力值點在刃口處，通過模態(tài)分析得到了水斗式水輪機轉(zhuǎn)輪和噴嘴的自振頻率和振形圖，為多噴嘴水斗式水輪機轉(zhuǎn)輪水斗的強度設(shè)計和噴嘴的振動研究提供了依據(jù)。

    Abstract:

    With the aim to find out the reason for rupture and inefficiency of Pelton turbine runner, a 3-D model for the runner and nozzle of Pelton turbine was established by UG software. The stress analysis of the running single bucket was conducted on by ANSYS software, and stress distribution and maximum stress value point were determined. The natural frequency and oscillation shape of the runner and nozzle of Pelton turbine were obtained by model analysis. The results provide references for the bucket strength design and the nozzle oscillation research of multi-nozzle and multi-bucket turbine runner.  

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李慶剛,宋文武,周敏,符杰,楊佐衛(wèi).水斗式水輪機噴嘴及水斗應(yīng)力和振形研究[J].農(nóng)業(yè)機械學(xué)報,2008,39(9):52-55.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(9):52-55.

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