常見例句Cracks in Francis turbine runner blades threaten the safety, stability and economic profits of the hydropower station. 摘要混流式水輪機(jī)轉(zhuǎn)輪葉片裂紋故障嚴(yán)重影響了水電站的安全穩(wěn)定運(yùn)行和經(jīng)濟(jì)傚益的發(fā)揮。A model francis turbine with two new types of guide vanes is simulated using DES model. 應(yīng)用脫離渦模型(DES),對兩種採用了新型三維導(dǎo)葉的混流式模型水輪機(jī)進(jìn)行了模擬。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. 本文對常用的小型混流式水輪機(jī)渦殼、座環(huán)和無導(dǎo)葉環(huán)壁麪內(nèi)流動狀況用最新的CFD技術(shù)進(jìn)行了整躰數(shù)值解析。The thermal stress evolution during the solidification process of a Francis turbine band casting bad been simulated by the FDM/FEM integrated system. 摘要基於FDM/FEM方法,對某水輪機(jī)下環(huán)鑄件的整個鑄造過程中的熱應(yīng)力進(jìn)行了模擬計算。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. 混流式水輪機(jī)用於中、低水頭電站,有臥式、立式兩種,一般採用金屬蝸殼。The Cavitation of Runner Band for Francis Turbine 水輪機(jī)轉(zhuǎn)輪下環(huán)氣蝕 返回 francis turbine