Head recovery in the tailwater of low head hydro power stations

Ch Schneider, Y. Mochkaai, W. Knapp, R. Schilling

Research output: Contribution to conferencePaperpeer-review

Abstract

The utilization of low head hydro power today is based on tubular turbines with increasing specific speed. The high amount of kinetic fluid energy in this kind of turbines emphasizes the importance of flow deceleration downstream the runner to recover the corresponding velocity head. Theoretical and experimental investigations have shown that there is a usable flow deceleration even downstream the draft tube exit. The purpose of this paper is to provide information on how to optimize this process of flow deceleration in the tailwater.

Original languageEnglish
Pages308-313
Number of pages6
StatePublished - 1997
EventProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D - San Francisco, CA, USA
Duration: 10 Aug 199715 Aug 1997

Conference

ConferenceProceedings of the 1997 27th Congress of the International Association of Hydraulic Research, IAHR. Part D
CitySan Francisco, CA, USA
Period10/08/9715/08/97

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