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CFD在新沟河双向竖井贯流泵站中的应用.pdf

CFD在新沟河双向竖井贯流泵站中的应用.pdf

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CFD在新沟河双向竖井贯流泵站中的应用.pdf

・ 2014 12 109 :1007‐2284 (2014 )12‐0109‐04 CFD 1 1 2 1 1 , ,  , , (1 ., 225009 ;2 ., 214183)       :RNG k―ε,N―S ,CFD ,,。 ,,, 。     :;;;;     :T V131       :A A Numerical Simulation of the Bidirectional Shaft Tubular Pumping Station of Xin 'ou River g 1 1 2 1 XIE Rong―sheng ,TANG Fang― ing ,SHAO Yong ,XIE Chuan―liu p (1 .School of Hydraulic Energy and Pow er Engineering ,Yangzhou U niversity ,Yangzhou 225009 ,Jiang su Province ,China ; 2 .T aihu T reatment Project Construction Administration ,Jiang su Province Wuxi 214183 ,Jiang su Province ,China ) Abstract :Based on the RNG k―εturbulent model and Reynolds Navier―stokes equation ,the hydraulic performance optimization of the bidirectional shaf t tubular pumping station is simulated w ith the commercial CFD sof tw are ,the performance is better improved than the original case by adjusting the hull lines of the flow channel .T he hydraulic loss of each part in the pumping station is calculated and show ed by three―dimensional histog ram , T he flow rate and circulation w hich affects the hydraulic loss of the flow channel of shaf t and straight is analyzed .T he reason w hy the hydraulic loss of shaf t rear ― ositioned tubular pump sy stem is larger is ex plained p by comparing the flow chart of the bidirectional shaf t tubular pumps . Key words :shaf t tubular pump ;optimization design numerical simulation ; umping station ;hydraulic loss

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