Topic
Overpressure
About: Overpressure is a research topic. Over the lifetime, 3236 publications have been published within this topic receiving 34648 citations.
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01 Jan 1991
TL;DR: In this article, the C-weighted Sound Exposure Level (CSEL) was estimated for 43 near steady supersonic flights of the above United States Air Force and United States Navy aircraft.
Abstract: : A sonic measurement program was conducted at Edwards Air Force Base Sonic boom signatures, produced by F-4, F-14, F-15, F-16, F-18, F111, SR-71, and T-38 aircraft, were obtained under the flight track and at various lateral sites which were located up to 18 miles off-track Thirteen monitors developed by Det 1 AL/BBE were used to collect full sonic boom waveforms, and nine modified dosimeters were used to collect supplemental peak overpressures and the C- weighted Sound Exposure Levels (CSEL) for 43 near steady supersonic flights of the above United States Air Force and United States Navy aircraft This report describes the measured database (BOOMFILE) that contains sonic boom signatures and overpressures, aircraft tracking, and local weather data These measured data highlight the major influences on sonic boom propagation and generation The data from this study show that a constant offset of 26 from the peak overpressure expressed in dB gives a good estimate of the CSEL of a sonic boom
16 citations
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TL;DR: In this paper, the effects of a 60mm × 60mm vent set on the vessel roof in vented gasoline vapor explosion were investigated and compared with different vent locations and gasoline volumes, and the results indicated that the initial gasoline volumes significantly affect the color and propagation characteristics of the flame generated by the explosion.
16 citations
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TL;DR: In this paper, the effect of vibrational relaxation processes on the rise times and overpressure decay of weak shock waves from explosions is investigated, which are compared to data and to the results of an empirically based calculation.
Abstract: The effect of vibrational relaxation processes on the rise times and overpressure decay of weak shock waves from explosions is investigated. Calculations have been performed which incorporate finite amplitude wave effects, spherical spreading, classical acoustic attenuation, and attenuation due to vibrational relaxation of oxygen and nitrogen. These calculations are compared to data and to the results of an empirically based calculation.
16 citations
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TL;DR: In this paper, the authors present near-field blast overpressure data and prediction models to fill in the gap and propose a simple physics-based prediction model for BLEVE overpressure.
16 citations
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TL;DR: In this article, the authors investigated possible instability of a gently sloping reservoir of oceanic hydrates induced by gas production using the huff-puff method through a horizontal well.
16 citations