WIG Craft and Ekranoplan: Ground Effect Craft Technology by Liang Yun

By Liang Yun

WIGs (Wing in floor) are complex hybrid air cushion crafts they usually provide the combo of velocity, gas potency, and journey smoothness. WIG rides above the outside like an plane on a dynamic air cushion that's produced through the vessel’s ahead movement. The adoption of WIG has been sluggish a result of advanced know-how matters surrounding the vessel; it's a hybrid automobile that mixes marine and aviation thought, wing thought and air cushion conception, aerodynamic and hydrodynamic thought. "WIG Craft and Ekranoplan: floor impact Craft know-how" presents a finished assessment of the layout, improvement and development of WIG vessels.

Drawing upon years of sensible adventure and utilizing a number of examples and illustrative functions, Liang Yun, Alan Bliault and Johnny Doo discuss:

  • Basic rules of WIG craft technology
  • State of the artwork assessment of WIG craft expertise within the usa, Russia, Germany, China and Australia
  • Material and structural layout of WIG craft
  • Lift and propulsion platforms of WIG craft

WIG Craft and Ekranoplan: flooring impression Craft know-how can be of curiosity to naval engineers, aviation engineers, naval architects, and mechanical engineers drawn to the advance and learn of wing in flooring (WIG) and excessive functionality marine vehicles.

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Additional resources for WIG Craft and Ekranoplan: Ground Effect Craft Technology

Sample text

2. Dynamic Air Cushion Wing-in-Ground Effect Craft (DACWIG) This is a hybrid type of craft developed from the DACC and PARWIG, see [15]. 5 1 2 Rocket-2 8 Volga-2 (Fig. 2 (Fig. 1 Leading particulars of some Russian DACC and DACWIG proposed for operation on Gorky–Kasan route along the Volga River 28 1 Wings in Ground Effect DACWIG Attributes 29 Fig. 15 (c is the main-wing chord). The aerodynamic arrangement of the craft has similarities to the DACC; however, some measures have been taken to provide stability when operating above the strong ground effect region.

Alexeyev. The hydrofoil craft, as defined by Alexeyev, had shallow submerged hydrofoils located under the water surface, however still in the region where the pressure field around the foil is strongly affected by the water surface itself. The hydrofoil lift reduces rapidly as the draft of the hydrofoil decreases and the hydrofoils approach the water surface. In Russia, this is called the Alexeyev effect after its discoverer. Alexeyev was the first to use this effect together with a tandem configuration of hydrofoils to provide longitudinal stability, avoiding the problems that occurred on very early hydrofoil prototypes.

Configuration: The PARWIG is difficult to operate alongside other craft and at jetties due to its protruding components such as main and tail wing. This also increases collision risk during slow-speed manoeuvring. In addition, the field of vision for pilots with the currently adopted arrangement of the cockpit is PARWIG 23 limited, so that they are difficult to drive by eyesight. The pilot vision issue is simply solved with today’s camera technology, while locating and designing terminals along the lines of a Hoverport or Seaplane terminal can provide a suitable operating environment.

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