Aeronautical and Space Sciences Japan

Online ISSN : 2424-1369
Print ISSN : 0021-4663
ISSN-L : 0021-4663

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Volume 20, Issue 219

Displaying 1-6 of 6 articles from this issue

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Bouncing Motion of Airplane during Landing

Hiroshi ARAKI

1972Volume 20Issue 219 Pages 175-181
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.175

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Bouncing motion of airplane during landing is analysed theoretically. Treating it as the nonlinear oscillation problem of the body with nose and maingears, stabity or instability of the motion is discussed. The mechanism of the bouncing motion, the influence of airplane design characteristics upon the stability of the motion, and the necessary condition for safe landing, etc., are made clear.

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Real Gas Flow near the Stagnation Point of Blunt Nosed Bodies

Part 1 Equilibrium Flow

Nobumi SAIDA

1972Volume 20Issue 219 Pages 181-187
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.181

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This paper presents an approximate solution for the equilibrium inviscid flow in the shock layer about the stagnation region of a blunt body generating a spherical shock wave. With the assumptions of thin shock layer and strong shock, the flow variables are expanded in series in powers of the ratio of the density ahead of the shock to that behind the shock (ε). The results are obtained in closed formulae to second order in ε. The effects of altitude and velocity enter solely through the normal-shock density ratio appropriate to the flight conditions. Comparison of the present results with those based upon an exact numerical solution shows reasonable agreement.

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Abstract of YS-11 Series

Takeji SHIOHARA

1972Volume 20Issue 219 Pages 188-196
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.188

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On High Velocity Deformation Mechanics of Solids

KOZO KAWATA

1972Volume 20Issue 219 Pages 197-213
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.197

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Kawasaki-Hughes 369 Helicopter

Shigeyoshi EJIMA

1972Volume 20Issue 219 Pages 214-219
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.214

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Correlation between Sizes and Wing Loadings of Fixed-wing Aircrafta (Mostly for Trasportation)

Shigenori ANDO

1972Volume 20Issue 219 Pages 226-227
Published: 1972
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.2322/jjsass1969.20.226

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