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All Journal Jurnal Teknologi Dirgantara
Agus Aribowo
Pusat Teknologi Wahana Dirgantara
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Mechanical Engineering Physics

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PENELITIAN KARAKTERISTIK AERODINAMIKA TRAILING EDGE SIRIP ROKET PADA KECEPATAN TRANSONIK DENGAN SIMULASI NUMERIK Agus Aribowo
Jurnal Teknologi Dirgantara Vol 3, No.2 Desember (2005)
Publisher : National Institute of Aeronautics and Space - LAPAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2005.v3.a811

Abstract

Research of fin aerodynamic at a speed of Transonik of importance remember at this speed regim rocket have strongly increas in coefficient of drag, where will cause negativety to attainment of altitude target or its dynamics stability. In general there is 3 fin type which is inverterate to be used by rockets of LAPAN. Third of him have been done by examination use simulation of CFD in 2-D compressible flow at a speed of 1.6 M to 2.4 M. From result of the research discovered behavioral phenomenon born embryo of shockwave at a speed of transonic in region of models B trailing edge cause direct to degradation of pressure and enlarge coefficient of drag.
PENELITIAN MEKANISME STALL AKIBAT PERKEMBANGAN GELEMBUNG SEPARASI PADA SAYAP NACA 0017 SECARA EKSPERIMEN DI TEROWONGAN ANGIN SUBSONIK Agus Aribowo
Jurnal Teknologi Dirgantara Vol 2, No.2 Desember (2004)
Publisher : National Institute of Aeronautics and Space - LAPAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2004.v2.a803

Abstract

This paper presents the results of investigation the separation buble which growing and burst on aerofoil NACA 0017 with effect mechanism of stall in the subsonic wind tunnel. Experiment have done on wind speed 20 m per s and 30 m per s. The data pecked from the orifice of pressure with interval 2 degree until stall position. The result was separation buble which growing on the airfoil, going to ahead of airfoil together with increasing the Reynolds number. After touching, the flow appeared to separate from the upper airfoil without reattachment.
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