Effect of Angle of Attack Variation of Stern Foil on High-Speed Craft on Various Speed with Computational Fluid Dynamics Method

Dwiputera, Haekal; Prawira, Naufal Yudha; Andira, Mohamad Arif; Budiyanto, Muhammad Arif

doi:10.14716/ijtech.v11i7.4467

Cited by 4 publications

(2 citation statements)

References 5 publications

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“…Focus on the research of planing hull models with hydrofoils, several researchers have tried to investigate the effect of a hydrofoil on the ship resistance [12,13], the results show that the use of hydrofoil can reduce ship resistance by 5.5% [14]. The results of other investigations show that the use of hydrofoil can also affect ship motion [15], particularly on heaving and pitching, the result showed the back foil gives a better response amplitude operator for heave movement [16].…”

Section: Introductionmentioning

confidence: 99%

Lift-to-Drag Ratio of the Application of Hydrofoil With Variation Mounted Position on High-Speed Patrol Vessel

Budiyanto

Prawira

Dwiputra

2021

CFDL

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The hydrofoil is one of the hydrodynamic support technologies for marine vehicles that provide a high performance and are feasible to operate. The mounting position of hydrofoils on the hull is one of the keys to improving the hydrodynamic performance, where the existing academic literature to find the optimum position of hydrodynamic is still deficient. The objective of this study is to compare the mounting locations of hydrofoil in the horizontal axis in a high-speed patrol vessel. The comparison result is based on the computational fluid dynamics where the basic model was validated using experimental data. Three mounting location cases of hydrofoils were performed i.e. middle section, stern section, and behind the stern. The result shows that the optimal hydrofoil mounting position is after the transom. In this position, the value of the lift-to-drag ratio is higher by an average of 10% - 29% compared to other positions depending on the speed of the ship.

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Section: Introductionmentioning

confidence: 99%

Lift-to-Drag Ratio of the Application of Hydrofoil With Variation Mounted Position on High-Speed Patrol Vessel

Budiyanto

Prawira

Dwiputra

2021

CFDL

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“…Adjusting underwater tail hydrofoils' position and orientation is crucial for reducing amphibious vehicles' navigational resistance [17]. The effectiveness of these adjustments depends on the hydrofoil's shape, necessitating initial design considerations of its geometry for optimal resistance reduction.…”

Section: Introductionmentioning

confidence: 99%

Study on the Impact of Tail Wing Profiles on the Resistance Characteristics of Amphibious Vehicles

Jiang,

Ding,

2024

JMSE

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The resistance performance of amphibious vehicles can be improved by installing underwater tail hydrofoils. The research on the impact of different hydrofoil profiles on the resistance characteristics of amphibious vehicles can provide a reference for the vehicle’s design. For an amphibious vehicle model, five shapes of symmetrical hydrofoils, NACA0012, NACA0015, NACA0016, and asymmetric hydrofoils NACA23012, NACA66-209, were selected as the underwater tail wing of the vehicle body, respectively. Based on the RANS method and overset grid technology, the resistance performance of the vehicle body was numerically calculated, and the resistance variation in the amphibious vehicle equipped with different tail hydrofoils at 0.43 < Fr∇ < 1.3 speed was obtained. The basic shape of amphibious vehicle tail wings can be determined by comparing the effects of symmetrical hydrofoils and asymmetric hydrofoils on body resistance. The results show that the asymmetric hydrofoils have a better resistance reduction effect on amphibious vehicles than the symmetrical ones. Among them, an amphibious vehicle installing the asymmetric hydrofoil NACA66-209 as an underwater tail wing can reduce resistance by 44.3%. Chord length is an important factor affecting the resistance reduction performance of tail wings. When Fr∇ = 1.3, the asymmetric hydrofoil optimized based on chord length has a 21.2% higher resistance reduction effect on amphibious vehicles.

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Computational Analysis of the Effect of Hull Vane on Hydrodynamic Performance of a Medium-speed Vessel

Gopinath,

Vijayakumar

2023

J. Marine. Sci. Appl.

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Effect of Angle of Attack Variation of Stern Foil on High-Speed Craft on Various Speed with Computational Fluid Dynamics Method

Cited by 4 publications

References 5 publications

Lift-to-Drag Ratio of the Application of Hydrofoil With Variation Mounted Position on High-Speed Patrol Vessel

Lift-to-Drag Ratio of the Application of Hydrofoil With Variation Mounted Position on High-Speed Patrol Vessel

Study on the Impact of Tail Wing Profiles on the Resistance Characteristics of Amphibious Vehicles

Computational Analysis of the Effect of Hull Vane on Hydrodynamic Performance of a Medium-speed Vessel

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