Trapped Vortex in Ground Effect

Garcia, Darwin; Katz, Joseph

doi:10.2514/2.1997

Cited by 17 publications

(5 citation statements)

References 10 publications

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“…This has become an argument and many oppose Bernoulli claimed such as Prof. Holger Babinsky from University of Cambridge and Nasa Scientists. [20]…”

Section: Fig 8 Dimension Airfoil Geometrymentioning

confidence: 99%

“…The air flow passing through a flat plate held at an angle of inclination as shown in Figure 9 is considered to be the pioneer fundamental knowledge in aerodynamic study Newton's third law of motion states that an upward lift on a plate should equal a downward momentum that results [21]. The vertical velocity component at the plate trailing edge is equal to incoming air velocity times since the angle of downwash.…”

Section: Fig 9 Newton Flat Platementioning

confidence: 99%

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Review on the Development of Wing-In-Ground Crafts

Pua’at,

Zhahir,

Ahmad

et al. 2024

E3S Web Conf.

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This paper focuses on the development of Ground Effect Craft (GEC). The ultimate objective of this paper is to comprehensively outline all publicly disclosed and well-known GECs. The scope of this paper encompasses a review of the design challenges and architectures associated with GECs that have been prevalent for more than 60 years. It delves into research, development, and enhancements of existing GECs throughout their history. In conclusion, considering current technological advances, GECs present substantial opportunities and potential to evolve into a viable mode of transportation, effectively bridging the gap between aircraft and ships. The incentive to overcome the economic challenges associated with fabricating and operating GECs is worthwhile, encouraging exploration and development toward a commercially viable GEC.

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“…This has become an argument and many oppose Bernoulli claimed such as Prof. Holger Babinsky from University of Cambridge and Nasa Scientists. [20]…”

Section: Fig 8 Dimension Airfoil Geometrymentioning

confidence: 99%

Section: Fig 9 Newton Flat Platementioning

confidence: 99%

Review on the Development of Wing-In-Ground Crafts

Pua’at,

Zhahir,

Ahmad

et al. 2024

E3S Web Conf.

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show abstract

“…That study by Vinodhini et al, [70] concluded that delta VG yield better drag reduction. Besides installing VG on roof, VG also been installed at bottom of vehicle to investigate its influence on ground effect in a series of experiments [71][72][73].…”

Section: Vortex Generatormentioning

confidence: 99%

Review on Flow Controls for Vehicles Aerodynamic Drag Reduction

Mariaprakasam

Mat²,

Samin³

et al. 2023

ARFMTS

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Reducing aerodynamic drag in automobiles has been one of the focuses in automotive industry as it will increase vehicles performance and reduce power consumption which subsequently save the environment. Drag is a force that tend to pull the vehicle backwards. Pressure drag is the major contributor to drag of vehicle which caused by lower pressure in the rear area compared to front of vehicle. When vehicle moves forward, the stagnation point occurs in the front part of vehicle. The airflow then goes over the vehicle and separate at the back due to adverse pressure gradient. Thus, flow separation is created in the rear area of vehicle as indicated by the wake. Wake is a low-pressure region that need to be reduced so that the pressure between the front and rear could be reduced to minimize the drag. Flow control is introduced to delay this flow separation and it has been categorized as active and passive. Active flow controls require power input while passive flow controls do not need power input. This review article will explore those studies on flow controls applied in automobiles and investigate their working mechanisms along with research gaps detected. Relative comparison of effectiveness for each flow control is unfeasible as the parameters used differs but this problem can be resolved. Standard parameters need to be used in future researches in order address the discrepancy of results obtained from numerous studies around the globe. A current flow control technique is proposed to be conducted in UTM Aerolab to further investigate this interesting flow field.

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“…Applications of trapped vortices to ground vehicles have been scarce. Notably, two studies are found: the first involves using trapped vortices on a race car (11) and the other uses the concept on commercial tractor-trailer trucks (12). In what follows, some suggestions are provided on how vortices may be trapped and stabilised on the following ground vehicles: road cars, racing cars, commercial truck trailers and high speed trains.…”

Section: Application Of Trapped Vortices To Ground Vehiclesmentioning

confidence: 99%

“…Using central bodies inside the cavities could stabilise the vortex without active suction; such systems were reportedly successful on the EKIP aircraft (19). One particular study that looked into the impact of trapped vortices in race car ground effects was that of Garcia and Katz (11). They used a flat plate with vortex generators and a moving ground.…”

Section: Application Of Trapped Vortices To Racing Carsmentioning

confidence: 99%

On the applicability of trapped vortices to ground vehicles

Bouferrouk

2014

The International Vehicle Aerodynamics Conference

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Trapped Vortex in Ground Effect

Cited by 17 publications

References 10 publications

Review on the Development of Wing-In-Ground Crafts

Review on the Development of Wing-In-Ground Crafts

Review on Flow Controls for Vehicles Aerodynamic Drag Reduction

On the applicability of trapped vortices to ground vehicles

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