Tidal Power pp 415-434 | Cite as

Straight Flow Turbine

  • M. Braikevitch


The simplest arrangement of a low-head hydro-electric unit is that proposed by the well-known American engineer, L. F. Harza in 1919–22; Fig. 1 is taken from his Patent Specification. The generator rotor is mounted on the propeller runner, the water flowing through the generator rim and the turbine casing being sealed against the flanks of the generator rim on either side. The unit has a horizontal shaft so that an inlet bell mouth suffices to lead the water to the runner, and the draft tube can be the straight diffuser, which is the most efficient form of energy recovery.


Draft Tube Butterfly Valve Straight Flow Bell Mouth Seal Assembly 
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  1. Bernstein, L. B., “PRIAMOTOCHNIE I POGRUJENIE GIDROAGREGATI” (Straight flow and submerged hydro-electric units), Cintimash (Central Institute of Scientific & Technical Information on Machine Building); Moscow (1962).Google Scholar
  2. Bernstein, L. B., “KAPSULNIE I SHAHTNIE GIDROAGREGATI” (Bulb and pit hydro-electric units); ITOGI NAUKI ITEHNIKI (Progress of Science & Technology); Moscow (1968).Google Scholar

Articles from Journals

  1. Von Widdern, H. C., “The Tubular Turbine”, Escher Wyss News, Vol. XXV/XXVI (1952–53).Google Scholar
  2. Zinter, O., “Operational Experience with Tubular Turbines”; Escher Wyss News, Vol. XXV/XXVI (1952–53).Google Scholar


  1. Canaan, H. F. (J. M. Voith), “The Underwater Power Station and the Arno Fischer Underwater Turbine”, August (1945). (Translated from the original German by English Electric Co. Ltd.)Google Scholar
  2. Braikevitch, M., Gwynn, J. D., and E. M. Wilson “Tidal Power with Special Reference to Plant Construction Techniques and the Integration of the Energy into Existing Electricity Schemes”; 7th World Power Conf., Moscow (1968).Google Scholar

Copyright information

© Plenum Press, New York 1972

Authors and Affiliations

  • M. Braikevitch
    • 1
  1. 1.English Electric-AEI Turbine Generators Ltd., G.E.C. Power Engineering Ltd.LiverpoolEngland

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