WebSemantic Scholar extracted view of "SUPERSONIC JET NOISE" by C. Tam. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search … Web7 de abr. de 2024 · A maximum noise reduction of 20 dB was achieved via trailing-edge blowing and the noise reduction mechanisms of the two blowing methods were discussed. ... Y. Ren, J. Gan, and D. Espinal, “ A high efficiency low noise vtol/estol concept using coflow jet airfoil,” in Proceedings of the 2024 AIAA/IEEE Electric Aircraft ...
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Web4 de jun. de 1998 · CHORUS Topics Supersonics ABSTRACT Jet screech is the result of a resonant aeroacoustic feedback loop. In modern high-performance aircraft jet screech has given rise to in-flight sonic fatigue failure of nozzle components. For this reason, jet screech has been the focus of numerous investigations. Web29 de jun. de 2005 · The noise of a jet changes character after the pressure ratio exceeds the critical value appropriate to sonic exit velocity, the general roar being dominated by a loud “whistling” or “screeching.” Schlieren photographs show that sound waves of ultrasonic frequency are caused by the transition of the initially laminar boundary layer to … dahua windows client
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Web1 de out. de 2024 · Therefore, more detailed investigations need to be done to probe the cavitation performance of the choked flow under the two mechanisms mentioned above and corresponding pressure pulsation, noise and vibration. The shedding mechanisms are difficult to distinguish in choked flow. Usually, the shedding mechanisms are … Web10 de abr. de 2024 · Plasma-activated liquid is a novel non-thermal antibacterial agent against a wide spectrum of foodborne bacteria, yet fewer studies focused on its disinfection of meat spoilage bacteria. In this study, the antibacterial properties of plasma-activated lactic acid (PALA) on Pseudomonas lundensis, isolated and identified from spoilage beef, were … Web10 de abr. de 2024 · SLR models of the S N indices for Adélie penguins, Antarctic krill, and Chla inform us about the mechanisms by which AMO affects WAP biogeography. +amo_spring_lag5, +amo_spring_lag1 and + amo_spring_lag0 were significant variables in the predictive models for the three S N indices, respectively, with or without detrending … dahua wireless access point