Impinging of axisymmetric developing jets

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August undefined, 2024

Witryna15 lut 2024 · The flow field surrounding an axisymmetric, confined, impinging jet was investigated with a focus on the early development of the triple-layered wall jet structure. WitrynaA much higher decay rate of -1.5 was found for the wall jet formed by a laminar impinging jet at Re = 1000. AB - The flow field surrounding an axisymmetric, confined, impinging jet was investigated with a focus on the early development of the triple-layeredwall jet structure.

(PDF) Erosion by turbulent jets - ResearchGate

WitrynaAbstract. Mean and fluctuating velocities and shear stresses in an air jet impinging on a flat surface have been obtained by particle image velocimetry. A recirculation zone is … WitrynaLiquid impinging jet at the bottom of the annular cavity is a typical case in the process industry. The jet could have an impact at the bottom center or its peripheral section. The profiled annular cylindrical cavity with the installed electricity heater source is investigated in this paper. Thermal contact irreversibility and liquid drag irreversibility are … granite countertops olympia wa

Aeroacoustic resonance and self-excitation in screeching and impinging …

Witryna22 wrz 2024 · In this paper, unsteady and time-averaged turbulence characteristics in a submerged cavitating jet with a high Reynolds number are studied using large eddy simulation. The simulation is validated by comparing the vapor distribution using CFD and a high-speed photography experiment. The results indicate that the currently used … Witryna5 lip 2000 · Surface pressure distributions and streamline plots are calculated for various impinging jet configurations, including plane, round, and annular jet nozzles. … Witryna1 paź 2005 · Abstract and Figures An experimental study of fully developed confined impinging axisymmetric water vapor jet is completed with turbulent characteristics … chinley on facebook

Analytical study on impingement heat transfer with single

(PDF) Sand erosion with a traversing circular jet - ResearchGate

http://s177835660.websitehome.co.uk/research/THESIS/imp_jet.pdf Witryna15 lut 2024 · This paper describes the results of methodical investigations of the effect of the Pitot tube on measurements of gas-dynamic parameters of supersonic axisymmetric underexpanded real and model microjets. Particular attention is paid to distortions of Pitot pressure variations on the jet axis associated with the wave structure of the jet and to … chinley pharmacyWitryna25 sty 2010 · Abstract The impingement of turbulent jets on solid boundaries has been studied extensively in the past. It has been established that flow parameters in the impingement region are governed by the impingement height, H and the initial … granite countertops offers

"Witryna4 lip 2014 · A numerical investigation to determine the thermal characteristics of an unsubmerged axisymmetric oil jet impinging in a confined space on a stationary disc with uniform heat flux has been undertaken. " - Impinging of axisymmetric developing jets

Impinging of axisymmetric developing jets

IMPINGEMENT OF AXISYMMETRIC DEVELOPING JETS Request …

WitrynaAn analytical research was conducted to study heat transfer from horizontal surfaces to normally impinging circular jets under arbitrary-heat-flux conditions. The laminar thermal and hydraulic boundary layers were divided into five regions of flow. General expressions of heat transfer coefficients were obtained in all the four regions of stagnation and … Witryna20 kwi 2006 · Detailed measurements of the velocity profiles in a laminar axisymmetric submerged jet of water were taken using a laser-Doppler anemometer. A non-intrusive measurement technique is particularly advantageous in this application owing to the unstable nature of the laminar jet and the destabilizing effect which objects …

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Witryna5 lut 2024 · Supersonic impinging jet flows always occur when aircrafts start short takeoff and vertical landing from the ground. Supersonic flows with residues produced by chemical reaction of fuel mixture have the potential of reducing aircraft performance and landing ground. The adverse flow conditions such as impinging force, high noise … Witryna20 kwi 2006 · In a high-speed subsonic jet impinging on a flat plate, the surface pressure fluctuations have a broad spectrum due to the turbulent nature of the high-Reynolds …

Witryna1. Introduction In cutting or chipping processes a robust liquid cooling system is crucial for maintaining the cutting tools and workpieces in the temperature limits. The current type of cooling is an impinging jet cooling, which is a very effective cooling technique with high rates of local heat transfer. Witryna1 lip 1974 · An experimental study of an axisymmetric turbulent jet impinging on a semi-cylindrical concave surface is carried out using Particle Image Velocimetry …

WitrynaImpinging Jet Flow 5.1 Introduction The axisymmetric impinging jet ﬂow is geometrically simple. Figure 5.1 shows a schematic of the particular arrangement … Witryna2 lip 2024 · A regular vertical pattern of an axisymmetric jet was observed with different flow entrainment rate. While an impinged jet turns to convert a wall jet along a …

WitrynaImpinging jets are widely used as cooling systems in applications such as gas turbines and metal quenching. The electronics industry employs jets of cold air impinging on …

WitrynaAn analytical research was conducted to study heat transfer from horizontal surfaces to normally impinging circular jets under arbitrary-heat-flux conditions. The laminar … chinley postcodeWitryna15 lut 2024 · The flow field surrounding an axisymmetric, confined, impinging jet was investigated with a focus on the early development of the triple-layered wall jet … granite countertops online toolWitryna10 sie 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 converging–diverging (C–D) nozzle and impinging on a ground plane. Emphasis is placed on the Mach 1.5 nozzle with the sonic nozzle used mainly for comparison. chinley populationWitryna29 cze 2001 · Permissions The differences in mixing performance between axisymmetric turbulent jets issuing from three common types of nozzle, viz. a … granite countertops ormoc city philippinesWitrynaTurbulence energetics in an axisymmetric impinging jet flow. Physics of Fluids 2024, 31 (5) , ... The effect of inflow conditions on the development of non-swirling versus … chinley primaryWitrynaPhysical Modelling of Axisymmetric Turbulent Impinging Jets as used within the Nuclear Industry for Mobilisation of Sludges D. McKendrick 1, S. R ... similar to the d10 jet development, but by D/d of 15 the peak horizontal velocity is already decreasing and the jet height increasing. 10 20 30 40 50-40 -20 0 20 40 60 80 100 120 140 160 ... granite countertops on saleWitryna19 cze 2024 · The inlet of the mainstream chamber was expanded by 16D in order to ensure full development of the boundary layer of the mainstream. ... R. Effect of jet-jet spacing on convective heat transfer to confined, impinging arrays of axisymmetric air jets. Int. J. Heat Mass Transf. 1994, 37, 2859–2869. granite countertops on sale near me