Raman Kalimuthu,Ethirajan Rathakrishnan and Rakhab C. Mehta Experimental Investigation of Hypersonic Flow over Spiked Blunt Body

Raman Kalimuthu,Ethirajan Rathakrishnan and Rakhab C. Mehta Experimental Investigation of Hypersonic Flow over Spiked Blunt Body

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Five types of spikes, namely, conical, hemisphere, flat-face, hemisphere-disk and flat face-disk spikes were studied. The flow field was visualized with schlieren system. The influence of the spike shock wave generated from the spike which interacts with the reattachment shock was also investigated to understand the cause of drag reduction? Experimental studies were carried out to measure the aerodynamic forces in the presence of the spike attached to the blunt body for the length to diameter ratio of 0.5, 1.0, 1.5 and 2.0 and angle of attack up to 8 degree at Mach number 6. The coefficients of drag, lift and pitching moment were measured for different spike configurations using the six-component strain gauge balance. Surface pressure distribution over the nose of the basic body was measured for all the cases of with and without spike... The effect of conical and hemispherical spikes and flat faced-disk and a hemispherical-disk attached to a blunt nosed basic body has been investigated.

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2 комментариев для “Raman Kalimuthu,Ethirajan Rathakrishnan and Rakhab C. Mehta Experimental Investigation of Hypersonic Flow over Spiked Blunt Body

  1. anutka17.88

    Жизнь распорядилась так, что по имени семи классов ребята расстались: Саша формировался в техникум, а хороших дел мастер Витя уехал к кинотеатрам в Среднюю Азию. Они встретились уже покойными людьми лет через семеро.

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