Experimental aerodynamic characteristics of a compound wing in ground effect
Wing configuration is a parameter that affects the performance of wing-in-ground effect (WIG) craft. In this study, the aerodynamic characteristics of a new compound wing were investigated during ground effect. The compound wing was divided into three parts with a rectangular wing in the middle and...
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my.utm.527922018-07-04T11:49:45Z http://eprints.utm.my/id/eprint/52792/ Experimental aerodynamic characteristics of a compound wing in ground effect Jamei, Saeed Abdul Malik, Adi Maimun Mansor, Shuhaimi Che Sidik, Nor Azwadi Priyanto, Agoes TJ Mechanical engineering and machinery Wing configuration is a parameter that affects the performance of wing-in-ground effect (WIG) craft. In this study, the aerodynamic characteristics of a new compound wing were investigated during ground effect. The compound wing was divided into three parts with a rectangular wing in the middle and two reverse taper wings with anhedral angle at the sides. The sectional profile of the wing model is NACA6409. The experiments on the compound wing and the rectangular wing were carried to examine different ground clearances, angles of attack, and Reynolds numbers. The aerodynamic coefficients of the compound wing were compared with those of the rectangular wing, which had an acceptable increase in its lift coefficient at small ground clearances, and its drag coefficient decreased compared to rectangular wing at a wide range of ground clearances, angles of attack, and Reynolds numbers. Furthermore, the lift to drag ratio of the compound wing improved considerably at small ground clearances. However, this improvement decreased at higher ground clearance. The drag polar of the compound wing showed the increment of lift coefficient versus drag coefficient was higher especially at small ground clearances. The Reynolds number had a gradual effect on lift and drag coefficients and also lift to drag of both wings. Generally, the nose down pitching moment of the compound wing was found smaller, but it was greater at high angle of attack and Reynolds number for all ground clearance. The center of pressure was closer to the leading edge of the wing in contrast to the rectangular wing. However, the center of pressure of the compound wing was later to the leading edge at high ground clearance, angle of attack, and Reynolds number. American Society of Mechanical Engineers (ASME) 2014 Article PeerReviewed Jamei, Saeed and Abdul Malik, Adi Maimun and Mansor, Shuhaimi and Che Sidik, Nor Azwadi and Priyanto, Agoes (2014) Experimental aerodynamic characteristics of a compound wing in ground effect. Journal of Fluids Engineering-Transactions of the Asme, 136 (5). ISSN 0098-2202 http://dx.doi.org/10.1115/1.4026618 DOI: 10.1115/1.4026618 |
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TJ Mechanical engineering and machinery Jamei, Saeed Abdul Malik, Adi Maimun Mansor, Shuhaimi Che Sidik, Nor Azwadi Priyanto, Agoes Experimental aerodynamic characteristics of a compound wing in ground effect |
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Wing configuration is a parameter that affects the performance of wing-in-ground effect (WIG) craft. In this study, the aerodynamic characteristics of a new compound wing were investigated during ground effect. The compound wing was divided into three parts with a rectangular wing in the middle and two reverse taper wings with anhedral angle at the sides. The sectional profile of the wing model is NACA6409. The experiments on the compound wing and the rectangular wing were carried to examine different ground clearances, angles of attack, and Reynolds numbers. The aerodynamic coefficients of the compound wing were compared with those of the rectangular wing, which had an acceptable increase in its lift coefficient at small ground clearances, and its drag coefficient decreased compared to rectangular wing at a wide range of ground clearances, angles of attack, and Reynolds numbers. Furthermore, the lift to drag ratio of the compound wing improved considerably at small ground clearances. However, this improvement decreased at higher ground clearance. The drag polar of the compound wing showed the increment of lift coefficient versus drag coefficient was higher especially at small ground clearances. The Reynolds number had a gradual effect on lift and drag coefficients and also lift to drag of both wings. Generally, the nose down pitching moment of the compound wing was found smaller, but it was greater at high angle of attack and Reynolds number for all ground clearance. The center of pressure was closer to the leading edge of the wing in contrast to the rectangular wing. However, the center of pressure of the compound wing was later to the leading edge at high ground clearance, angle of attack, and Reynolds number. |
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Article |
author |
Jamei, Saeed Abdul Malik, Adi Maimun Mansor, Shuhaimi Che Sidik, Nor Azwadi Priyanto, Agoes |
author_facet |
Jamei, Saeed Abdul Malik, Adi Maimun Mansor, Shuhaimi Che Sidik, Nor Azwadi Priyanto, Agoes |
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Jamei, Saeed |
title |
Experimental aerodynamic characteristics of a compound wing in ground effect |
title_short |
Experimental aerodynamic characteristics of a compound wing in ground effect |
title_full |
Experimental aerodynamic characteristics of a compound wing in ground effect |
title_fullStr |
Experimental aerodynamic characteristics of a compound wing in ground effect |
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Experimental aerodynamic characteristics of a compound wing in ground effect |
title_sort |
experimental aerodynamic characteristics of a compound wing in ground effect |
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American Society of Mechanical Engineers (ASME) |
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2014 |
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http://eprints.utm.my/id/eprint/52792/ http://dx.doi.org/10.1115/1.4026618 |
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