Abstract
Wing-In-Ground (WIG) crafts has become one of the latest technologies in the marine vehicle sector. Improvements on WIG craft to increase aerodynamic performance has been done for decades. However, WIG crafts must be able to overcome significant hydrodynamic drag take-off from water surface and aerodynamic drag during flight. The current design of the hull-fuselage can cause flow separation and increase in drag hence flow control devices can be used to improve flow separation phenomenon on the hull-fuselage of the WIG craft. The objective of this study is to investigate the effect of flow control on the aerodynamics performance of WIG craft through wind tunnel experiments. From the results, CD values were reduced with the presence of flow control on WIG hull-fuselage. Different configurations on height, angle, and spacing of the flow control device helped in obtaining minimum CD. The flow control device was proven to reduce CD for up to 25% from the baseline model. This indicates that flow control device is helpful in improving aerodynamics performance of WIG craft.
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Acknowledgements
The authors would like to thank Mr. Muhammad Hafiz Bin Mahmood and the technical staffs of the Wind Tunnel Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Universiti Pertahanan Nasional Malaysia (UPNM) for the technical assistance in using the equipment.
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Said, I., Abdul Rahman, M.R., Che Idris, A., Mohd Sakri, F., Saad, M.R. (2020). The Effect of Flow Control on Wing-In-Ground Craft Hull-Fuselage for Improved Aerodynamics Performance. In: Rajendran, P., Mazlan, N., Rahman, A., Suhadis, N., Razak, N., Abidin, M. (eds) Proceedings of International Conference of Aerospace and Mechanical Engineering 2019 . Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-4756-0_44
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DOI: https://doi.org/10.1007/978-981-15-4756-0_44
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