Ludwig Kort
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Ludwig Kort (1888 - 1958 [1]) was a German fluid dynamicist known for developing the ducted propeller, or Kort nozzle. In an attempt to reduce canal erosion, Kort discovered that directing the wake of a propeller through a short, stationary nozzle also increased thrust.[2] He submitted a U.S. patent for this technique, which was awarded in 1936.[3] His research showed that the performance of ducted propellers heavily depended on the cross-section and thickness of the duct.[4]
References[edit]
- ^ https://www.modellskipper.de/Maritimes/maritime_Begriffe_Deutsch_Abschnitt_K/Kortduese
- ^ Seidman, David (July 2004). "Kort Nozzles". Boating Magazine: 58.
- ^ Pereira, Jason L. (2008). Hover and Wind-tunnel Testing of Shrouded Rotors for Improved Micro Air Vehicle Design. p. 26. ISBN 978-0549961659.
- ^ Griffiths, Gwyn (2002-11-28). Technology and Applications of Autonomous Underwater Vehicles. CRC Press. p. 109. ISBN 0203522303.
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