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Dewantara, Damian Raven
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Earth & Planetary Sciences Energy

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EFFECTS OF REAR PLANFORM CROPPING CONFIGURATION ON WING-IN-GROUND CRAFT Dewantara, Damian Raven; Utama, I Ketut Aria Pria
Journal of Marine-Earth Science and Technology Vol. 6 No. 2 (2025): September
Publisher : Marine & Earth Science and Technology Research Center, DRPM, ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j27745449.v6i2.8361

Abstract

Emissions from the global transportation sector represent a significant environmental challenge, with high-speed maritime transport being a notable contributor. The reduction of fuel consumption is therefore a critical objective in the development of future marine vehicles. The Wing-in-Ground (WIG) craft, an innovative transport modality developed since the mid-twentieth century, operates by utilising the aerodynamic ground effect to achieve aircraft-like speeds with substantially lower power requirements. This makes it a promising solution for efficient, high-speed maritime transit. A key innovation in WIG design is the Lippisch-style cropped reverse delta wing, a configuration known to enhance aerodynamic performance. To optimize this design, an investigation into the effects of rear planform cropping is required. This study employs computational fluid dynamics (CFD), utilising a Reynolds-Averaged Navier-Stokes (RANS) solver, to perform analysis of WIG models with various rear planform cropping configurations. The investigation covers trailing edge crop percentages of 0%, 10%, 20%, and 30% of the root chord. The results demonstrate that higher cropping percentages positively impact aerodynamic performance.
Co-Authors I Ketut Aria Pria Utama