Supersonic impinging jet

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August undefined, 2024

Web22 mar 2024 · While NASA will fly the X-59 over communities around the U.S. as early as 2024 to analyze the public’s perception and acceptability of quiet supersonic flight, the … WebAbstract. This paper describes the results of a study examining the flow and acousticcharacteristics of an axisymmetric supersonic jet issuing from a sonic and a …

Numerical study of a fully confined supersonic slot impinging jet …

WebPrevious studies of subsonic and under-expanded impinging jets indicate that the oscillatory motions of shock waves play an important role in the heat transfer efficiency. However, the occurrence of local dips and peaks of … Web19 giu 2024 · This is because the supersonic phenomenon in the fluidic oscillator had a profound impact on the flow structure of the coolant, and the deflection angle of the ... Park Tongil; Kara Kursat; Kim Daegyoum, Flow structure and heat transfer of a sweeping jet impinging on a flat wall. Int. J. Heat Mass Transf. 2024, 124, 920–928 ... longridge business

Flow field and noise characteristics of a supersonic impinging jet ...

WebThe flow patterns created by a coherent horizontal liquid jet impinging on a vertical wall at moderate flow rates (jet flowrates 0.5-4.0 L min(-1), jet velocities 2.6-21 m s(-1)) are studied with wat WebAn experimental investigation into the sound-producing characteristics of moderately and highly underexpanded supersonic impinging jets exhausting from a round convergent nozzle is ... The connection between sound production and jet structure of the supersonic impinging jet J Acoust Soc Am. 2002 Feb;111(2):735-47. doi: 10.1121/1. ... Web17 mag 2012 · Investigation of the transient heat transfer to a supersonic air jet impinging on a high-temperature plate based on a discrimination-experiment method 14 March … long ridge cabins garnish

Investigation of the Flow Structures in Supersonic Free and …

Web11 feb 2002 · An experimental investigation into the sound-producing characteristics of moderately and highly underexpanded supersonic impinging jets exhausting from a … WebThe Hartmann air jet generator (Hartmann 1939) is sound wave generator in which the sound is generated by oscillations of a shock developed in an over-expanded air jet by means of a blunt body: a resonator. A theory for the instability mechanism is advanced, and it is found that the result calculated from the theory are in good agreement with the … hope house burnhope newton aycliffeWeb1 apr 2002 · The ability to measure and predict accurately the impinging jet behavior, especially near the ground plane, is critical because these are regions with very high mean shear, thermal loads, and... long ridge camp ct

"Web4 mar 2024 · Abstract. Supersonic single-impinging jet flows are known to exhibit strong unsteadiness levels and acoustic signatures due to large-scale resonant motions. … " - Supersonic impinging jet

Supersonic impinging jet

An experimental investigation of a square supersonic jet and impinging …

Web26 ott 2024 · Supersonic jets Laser applications Speed of sound ABSTRACT Supersonic free jets and impinging jets are found in many engineering applications, such as short and vertical take-off and landing vehicles, cold gas dynamic spray processes, hot surface cooling mechanisms, and turbomachinery systems. WebHigh-speed optical measurements of an underexpanded supersonic jet impinging on an inclined plate. 2009 • Julio Soria. Download Free PDF View PDF. Journal of Fluids Engineering. Nondimensional Parameter for Characterization of Wall Shear Stress From Underexpanded Axisymmetric Impinging Jets. 2024 •

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Web1 mar 2024 · Signal processing methods that remove noise due to atmospheric fluctuation and image sensors and extract fluid phenomena from schlieren images obtained in the low-density wind tunnel test were developed together with the highly sensitive schlieren measurement setup. WebThe characteristics of supersonic impinging jets are investigated using Particle Image Velocimetry (PIV). The purpose of the experiments is to understand the jet induced …

Web21 lug 2015 · Supersonic jet noise reduction is a challenging problem due to an incomplete understanding of the physical aeroacoustics governing this phenomenon and the change in the nature of jet aeroacoustics with temperature and Mach number over the aircraft operating range [19], [20]. Web11 ott 2012 · Supersonic impinging jet flow fields contain self-sustaining acoustic feedback features that create high levels of tonal noise. These types of flow fields are …

WebCai (Cai et al 2011) studied a highly rareﬁed planar jet impinging on a ﬂat plate. The direct simulation Monte Carlo method was used to validate the analytical collisionless ﬂow solutions. Yao et al (Yao et al 2012) reported the interaction of shocks and vortices in a highly under-expanded supersonic jet impinging on a large plate using ... Web10 ago 1999 · This paper describes the results of a study examining the flow and acoustic characteristics of an axisymmetric supersonic jet issuing from a sonic and a Mach 1.5 …

Web11 ott 2014 · Supersonic intakes. Weak shocks are desired, because they produce only small losses due to friction. Pitot intakes with their single, straight shocks work well at low …

Web1 ott 2008 · Supersonic impinging jet (s) inherently produce a highly unsteady flow field. The occurrence of such flows leads to many adverse effects for short take-off and … hope house burnham paWeb17 mag 2012 · Investigation of the transient heat transfer to a supersonic air jet impinging on a high-temperature plate based on a discrimination-experiment method 14 March 2024 PLOS ONE, Vol. 17, No. 3 Analysis of the effect of … hope house butler countyWeb26 dic 2012 · The experimental heat transfer rates from a supersonic two-phase impinging air jet with disperse droplets are presented. The experimental configuration consists of … hope house by q apartmentsWeb1 lug 2013 · This paper describes the results of a study examining the flow field and acoustic characteristics of a Mach 1.5 ideally expanded supersonic jet impinging on a flat … hope house cafe barnsleyWeb26 ott 2024 · This study aims to experimentally investigate the flow characteristics of two configurations: a supersonic free jet discharging into the ambient and a supersonic jet impinging on a 45° inclined surface with nozzle-to-pressure ratios (NPRs) of NPR 1 = 4.8 and NPR 2 = 5.9. hope house cafe trenton ga menuWebThe characteristics of supersonic coaxial/off-axis jet impingements on a slanted kerf surface were experimentally studied, ... Lei, L. and Yao, Z., 2007, "Characteristic Analysis of Supersonic Impinging Jet in Laser Machining," Online Available with DOI: 10.1007/s00170-007-1251-1, ... long ridge camp einWebSome important parameters that are needed to understand the supersonic jet include the shock-cell orientation and the variation of the Mach ... 8 Krothapalli, A., Rajkuperan, E., Alvi, F., Lourenco, L. Flow field and noise characteristics of a supersonic impinging jet (1999) Journal of Fluid Mechanics, 392, pp. 155 ... long ridge camp