Yun l, bliault a, doo j 2010 wig craft and ekranoplan. Wig craft and ekranoplan liang yun alan bliault johnny doowig craft and ekranoplan ground effect craft technolo. Wig craft and ekranoplan by liang yun, 9781441900418, available at book depository with free delivery worldwide. Ekranoplan vs lippisch in sharp contrast with the design of the lippisch reverse delta wing planform, the ekranoplan type ground effect vessels are all square planform vessels. Liang yun marine design and research institute of china maric 1688 xizhang nan road.
Ground effect craft technology provides a comprehensive overview of the design, development and building of wig vessels. Schemed poweraugmented flow for winginground effect. Apr 30, 2015 wingingroundeffect crafts groundeffect vehicles. The ekranoplan program and other commercial wig wing in groundeffect projects were effectively scuttled by the discovery that rogue waves were not only real but much more common than had been believed, rendering cargo or passenger wig vehicles at risk of destruction due to their inability to climb out of ground effect, where either a ship or. In korea, wing ship technology corporation has developed and tested a 50seat passenger version of a gev named the wsh500.
Zerihanedge vortices of a doubleelement wing in ground effect. Shape optimization of an airfoil in ground effect for. Computational aerodynamics and flight stability of winginground. In the last halfcentury, highspeed water transportation has developed rapidly. A groundeffect vehicle gev, also called a wingingroundeffect wig, groundeffect craft, wingship or ekranoplan. Ground effect craft technology yun, liang, bliault, alan, doo, johnny on. Use features like bookmarks, note taking and highlighting while reading wig craft and ekranoplan. Stability of the ekranoplan, in criteria of the longitudinal stability of the ekranoplan translation. Ekranoplan vs lippisch hoverwing wig craft technology. Typical wing arrangements of the wing in the ground effect craft 3. Winginground wig craft, ground effect, aerodynamics, flight dynamics, stability. Attkinvest ekranoplan wig craft projects passenger ekranoplan aquaglide30 passenger ekranoplan aquaglide30.
Aerodynamic and static stability characteristics of. A wigcraft utilizes ground proximity effects to improve aerodynamic loading and efficiency. The purpose of this paper is to analyze the aerodynamic and stability characteristics of airfoils in extreme ground effect, where gradients of variables are intense. Drawing upon years of practical experience and using numerous examples and illustrative applications, liang yun, alan bliault and johnny doo discuss. The interim guidelines are intended to provide as much guidance as possible.
Lunclass ekranoplan gev free aircraft paper model download. On unsteady effects in wig craft aerodynamics hindawi. Wig technology is at a very early stage and covers wide range of craft. Novel highperformance marine vehicles, such as the air cushion vehicle acv, surface effect ship ses, highspeed monohull craft mhc, catamaran cat, hydrofoil craft hyc, wavepiercing craft wpc and small water area twin hull craft swath have all developed as concepts, achieving varying degrees of. A winginground wig craft is defined as a vessel capable of operating completely above the surface of the water on a dynamic air cushion created by aerodynamic lift due to the ground effect between the vessel and the waters surface. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Aerodynamic characteristics of wing of wig catamaran. Wig rides above the surface like an airplane on a dynamic ai. Aron7, 5seats wig craft from korea video dailymotion. Wig craft and ekranoplan ground effect craft technology 123. Numerical study of the aerodynamics of a naca 4412 airfoil in dynamic ground effect. Design of a hoverwing aircraft a project presented to the faculty of. Ground effect craft technology wigs wing in ground are advanced hybrid air cushion crafts and they offer the.
The main developer of such technology in russia is traditionally the nizhny novgorod central design bureau. Interim guidelines for winginground wig craft were approved by the maritime safety committee at its 76th session in december 2002 as msccirc. Wig craft and ekranoplan ebook by liang yun rakuten kobo. Ground effect craft technology 2010 by yun, liang, bliault, alan, doo, johnny isbn. Changes to the fore and aft pitch of this type of ground effect crafts is damped at the trailing edge, through the air under the wings resistance to further compression. Wig craft reduces the fuel cost by up to 75%, becos of its fuel efficieny while it is in ground effect. Hovercraft meets aircraft worlds strangest youtube.
Wig rides above the surface like an airplane on a dynamic air cushion that is produced by the vessels forward motion. What all that boils down to is that if you must operate in. Subarupowered homemade hoverwing is a diy miniekranoplan. Wig craft and ekranoplan ground effect craft technology liang. As a promising means of transportation, winginground effect wig craft, flying over the ground or. Computational aerodynamics and flight stability of wingin. Numerical study of the aerodynamics of a naca 4412 airfoil. Read wig craft and ekranoplan ground effect craft technology by liang yun available from rakuten kobo. Selling ekranoplan wing in ground effect flying ship youtube. Pdf it has long been recognised that flight close to a boundary surface is more aerodynamically. Ground effect craft technology wigs wing in ground are advanced hybrid air cushion crafts and they offer the combination of speed, fuel efficiency. Aerodynamic study of wig craft near curved ground sciencedirect. Aerodynamics and flow features of wig craft with and without course angles in. Building ekranoplan wig models presented at eages 2001 international ground effect symposium.
Wigs wing in ground are advanced hybrid air cushion crafts and they offer the combination of speed, fuel efficiency, and ride smoothness. The lunclass ekranoplan is a ground effect vehicle gev designed by rostislav evgenievich alexeyev in 1975 and used by the soviet and russian navies from 1987 until sometime in the late 1990s it flew using the lift generated by the ground effect of its large wings when within about four metres ft above the surface of the water. Aerodynamic characteristics of wig craft near curved ground are investigated. Tutorials, pdf, ebook, torrent, downloads, rapidshare, filesonic, hotfile, megaupload, fileserve. Wig craft and ekranoplan ground effect craft technology. Ground effect craft technology kindle edition by yun, liang, bliault, alan, doo, johnny. This is a typical operating condition for wing in ground effect wig craft in the proximity of the ground. Oct 20, 2016 this aircraft paper model is a lunclass ekranoplan nato reporting name duck, a ground effect vehicle gev designed by rostislav evgenievich alexeyev an stay safe and healthy.
Download it once and read it on your kindle device, pc, phones or tablets. Wig catamaran, wing in ground effect, aerodynamic characters, naca 6409, cfd analysis. A series of ekranoplan, namely the sm and km series, has been successfully constructed by russian engineers. A groundeffect vehicle gev, also called a wingingroundeffect wig, groundeffect craft, wingship or ekranoplan russian. Ekranoplan is a unique term for this type of unique vehicle, while wingingroundeffect carries the inference that the wing will inevitably end up in the ground, and wig has too strong an association with hair loss. The adoption of wig has been slow due to the complicated technology issues surrounding the vessel. The future has arrived and its found in fusion technology.
Russias groundbreaking winginground effect warship called by russians ekranoplan lun to be preserved. A great range of wing in ground effect craft wigs have been. Since the wig is a novel technology and still in its initial development, the presentation of some of the theory should be considered as statement of. The problems mentioned above are not the main barrier for a sustainable development of wig technology. Wig craft and ekranoplan liang yun alan bliault johnny doo wig craft and ekranoplan ground effect craft technology 123 liang yun marine design and research institute of china maric 1688 xizhang nan road 200011 shanghai peoples republic of china email protected alan bliault as norske shell 4098 tananger norway email protected johnny doo teledyne continental motors 2039 broad. Camber line of naca4412 is modified to become sshaped, named m4412, which turns the passage shape between the ground and the lower surface of naca4412 from convergent to. None of the conventional means of transportation can fill this zone. Faa regulations federal aviation administrationfaa says. Faa regulations federal aviation administrationfaa says that ground effect machines gems, such as wigs, hovercraft, flarecraft, and similar surface effect vehicles fall outside their jurisdiction for regulation certification, licensing, etc. The term ekranoplan refers to the russian for screen plane or low flying plane and is. Wig bike craft 3seater the watersports and leisure groundeffect craft that provides a unique experience gliding over the water using the wingingroundeffect on the speed up to 110 kmh. Wing in ground wig effect crafts are unique vehicles that operate at speeds in excess of 100knots. Pdf technology developments for wing in ground effect craft. What does it take for wing in ground technology to become more than a glorified water taxi.