Shock wave film cooling
Web1 Feb 2024 · A 2D computational model was applied to obtain the detailed temperature and flow field distributions and to analyze the shock wave effect on transpiration cooling. … WebTwo-dimensional flow with a supersonic film cooling scheme is used in Fig. 1. To point it out particularly, a wedge shock generator is adopted in Fig. 1 (b) to generate proper oblique shock wave according to the shock intensities inside real scramjet combustors mentioned in [30∼35]. Download : Download high-res image (890KB)
Shock wave film cooling
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Web1 Jun 2024 · When the shock wave impinges between the two coolant inlets, segmented cooling-stream injection improves film cooling effectiveness in the midstream and downstream regions more than single injection because only part of the cooling stream undergoes the enhanced mixing effect of the shock wave. WebThe supersonic film cooling was tested in the Mach 2.35 wind tunnel to investigate the effect of the external shock wave on the film cooling. The coolant was injected with sonic …
Web1 Mar 2024 · In order to understand the interaction mechanism between shock waves and supersonic film cooling with cracking reaction, supersonic film cooling using gaseous hydrocarbon fuel as coolant in terms of cracking reaction of the coolant, with and without shock waves interaction, is investigated numerically. Web3 Jan 2024 · Based on a comprehensive literature study and detailed description of the flow physics, shock shear layer interactions and shock boundary layer interactions are identified to be the main driver...
WebThe supersonic film cooling was tested in the Mach 2.35 wind tunnel to investigate the effect of the external shock wave on the film cooling. The coolant was injected with sonic speed. The weak shock wave with the pressure ratio … WebThe results indicate that without shock-wave impingement and with helium as the coolant, segmented cooling-stream injection can reduce the mixing between the mainstream and the cooling stream to produce better cooling performance than single injection,especially at larger coolant Mach numbers.However,with nitrogen as the coolant,the cooling ...
Web1 May 2024 · The supersonic film cooling was tested in the Mach 2.35 wind tunnel to investigate the effect of the external shock wave on the film cooling. The coolant was injected with sonic speed. The weak shock … Expand. 50. Save. Alert. Flowfield measurements in supersonic film cooling including the effect of shock-wave interaction.
Web4 Sep 2024 · Experimental investigation of cooling film efficiency in the nozzle extension of LOX/H2 subscale combustion chamber. In Proceedings of the 4th European Conference for Aerospace Sciences (EUCASS’11). St. Petersburg, Russia [Google Scholar] Takita, K., and G. Masuya. 1999. Effects of shock wave impingement on supersonic film cooling. the two mikes radio showWeb10 Feb 2009 · Film cooling holes are located near the passage throat. The Mach number at the location of the jet exit is close to unity. A comparison of film cooling effectiveness … sexual harassment at workplace laws in indiaWeb28 Jul 2024 · There are eight cylindrical holes on the endwall inside the passage. The pressure-sensitive paint (PSP) technique was used to capture the endwall pressure … sexual harassment co-worker liabilityWeb12 Jan 2024 · Shock waves can significantly affect the film cooling for supersonic flow and shock waves may have different influence when impinging in different regions. The … the two michaels newsWeb10 Jan 2014 · The study by Peng and Jiang [15] also showed that the incident shock wave reduces the supersonic film-cooling effectiveness. Because the effect of the shock wave on supersonic film... sexual harassment attorney houstonWeb1 Apr 2024 · Film cooling is a hot topic of research for cooling technology of gas turbine. The earliest and most widely used hole is cylindrical hole, and its film cooling effectiveness was proved to be very different from the previous continuous slot [ 8 ]. sexual harassment employee training funnyWeb16 Aug 2024 · Konopka et al.22 investigated film cooling with favorable and adverse pressure gradients, analyzed the effects of shock wave on film cooling23 and later they extended their work to consider the conditions of film coolant using helium and hydrogen.24 Keller et al.25 and Keller and Kloker26 modeled film cooling with film sexual harassment employee training ct