Electrical Swath Ships with Underwater Hulls Preventing the Boundary Layer Separation

Clicks: 244
ID: 111676
2020
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Abstract
The body shapes of aquatic animals can ensure a laminar flow without boundary layer separation at rather high Reynolds numbers. The commercial efficiencies (drag-to-weight ratio) of similar hulls were estimated. The examples of neutrally buoyant vehicles of high commercial efficiency were proposed. It was shown that such hulls can be effectively used both in water and air. In particular, their application for SWATH (Small Water Area Twin Hulls) vehicles is discussed. In particular, the seakeeping characteristics of such ships can be improved due to the use of underwater hulls. In addition, the special shaping of these hulls allows the reducing of total drag, as well as the energetic needs and pollution. The presented estimations show that a weight-to-drag ratio of 165 can be achieved for a yacht with such specially shaped underwater hulls. Thus, a yacht with improved underwater hulls can use electrical engines only, and solar cells to charge the batteries.
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nesteruk2020journalelectrical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Igor Nesteruk;Srecko Krile;Zarko Koboevic;Nesteruk, Igor;Krile, Srecko;Koboevic, Zarko;
Journal journal of marine science and engineering
Year 2020
DOI
10.3390/jmse8090652
URL
https://www.mdpi.com/2077-1312/8/9/652
Keywords
drag reduction environment protection commercial efficiency boundary layer separation swath vehicles

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