Results 1 to 10 of about 328,117 (211)

A Comparative Study of Film Cooling with Combined Impingement and Film Cooling [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
In order to cool the gas turbine vane or blade and raise the operating temperature, two standard convective cooling methods are used: jet impingement cooling and film cooling.
R. K. Panda, A. K. Pujari, B. Gudla
doaj   +2 more sources

The mechanics of film cooling-Part 1 [PDF]

open access: yes, 1954
Thin liquid wall films flowing under the influence of high-velocity turbulent gas streams were studied for the purpose of obtaining an understanding of the mechanics of film cooling.
Knuth, Eldon L.
core   +4 more sources

Review on film cooling of liquid rocket engines

open access: yesPropulsion and Power Research, 2018
Film cooling in combination with regenerative cooling is presently considered as an efficient method to guarantee safe operation of liquid rocket engines having higher heat flux densities for long duration.
S.R. Shine, S.Shri Nidhi
doaj   +3 more sources

Influence of groove structure on film cooling

open access: yesEnergy Reports, 2022
In the current work, the film cooling efficiency of flat plate film cooling and transverse groove film cooling is compared, and the impacts of various factors on the efficiency of film cooling are explored.
Fei Gao   +3 more
doaj   +1 more source

Large Eddy Simulation of Film Cooling: A Review

open access: yesEnergies, 2022
Film cooling has dramatically contributed to the performance improvement of gas turbines, as it is a very effective cooling technique for gas turbines. Large eddy simulation (LES) began to be used in the study of film cooling 20 years ago, and meaningful
Joon Ahn
doaj   +1 more source

Experimental Study on the Improvement of Film Cooling Effectiveness of Various Modified Configurations Based on a Fan-Shaped Film Cooling Hole on an Endwall

open access: yesEnergies, 2023
Several studies have previously been conducted to improve the cooling performance of film cooling. However, most of the research has conducted experiments with film cooling holes on flat plates, and thus, the results of these studies do not encompass the
Seokmin Kim   +3 more
doaj   +1 more source

Effect of Inlet Compound Angle of Backward Injection Film Cooling Hole

open access: yesEnergies, 2020
Backward injection film cooling holes were studied to improve film cooling effectiveness using simple cylindrical holes, and this principle was applied to an actual gas turbine.
Yoon Seong Jeong, Jun Su Park
doaj   +1 more source

Aircraft engine nozzle guide vane surface temperature optimization

open access: yesHeliyon, 2023
An optimization method based on the sensitivity of global and local geometric parameters is proposed to improve the cooling efficiency of E3 engine nozzle guide vane.
Lou Decang   +5 more
doaj   +1 more source

Numerical Investigation of the Effects of Lattice Array Structures on Film Cooling Performance

open access: yesEnergies, 2022
To better understand the mechanism influencing the periodic lattice structures in gas turbine blade cooling, these numerical simulations present a systematic comparison of the effects in cases involving pin-fin, Kagome, and BCC lattice arrays on film ...
Qiang Fu   +3 more
doaj   +1 more source

Combined effects of blowing ratio and mist diameter with mainstream turbulence intensity in mist-assisted film cooling

open access: yesEngineering Applications of Computational Fluid Mechanics, 2023
Advanced cooling techniques are essential in modern gas turbines to improve the efficiency of the Brayton cycle by raising the turbine inlet temperature.
Yoonhyeong Jeong   +6 more
doaj   +1 more source

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