Results 31 to 40 of about 98,675 (218)
Machines, 2023 The jet always sweeps to the leftmost and rightmost points in the sweeping jet and film composite cooling (SJF) process, resulting in a different coolant flow in each film hole. The film can not easily cover the outer surface evenly under the scouring of
Xiangcan Kong +5 more
doaj +1 more source
A simulation of film cooling in the leading edge region of a turbine blade (trench effect on film effectiveness from cylinder in crossflow) [PDF]
, 2012 Film cooling is one of the cooling system techniques applied to the turbine blade. Gas turbine use film cooling technique to protect turbine blade from expose directly to a hot gas to avoid the blade from defect.
Pairan, Mohamad Rasidi
core
Near-Field Simulations of Film Cooling with a Modified DES Model
Inventions, 2020 Modeling the heat transfer characteristics of highly turbulent flow in gas turbine film cooling is important for providing better insights and engineering solutions to the film cooling problem. This study proposes a modified detached eddy simulation (DES)
Feiyan Yu, Savas Yavuzkurt
doaj +1 more source
Computational study of plasma actuator on film cooling performance for different shaped holes
AIP Advances, 2015 An investigation on film cooling holes with plasma actuators are performed for circular hole, expansion-shaped hole and fan-shaped hole on the surface of flat plate.
Sheng-ji Dai +6 more
doaj +1 more source
Turbulent mixing film cooling correlation [PDF]
, 1972 Film cooling effectiveness correlation predicts air flow requirement for cooling gas turbine combustors. Turbulent mixing model accounts for mixing rate between cooling film and hot gas stream.
Juhasz, A. J., Marek, C. J.
core +1 more source
Experimental Optimization of the Compound Angled Asymmetric Laidback Fan Shaped Film Cooling Hole
Energies, 2022 In this study, the effect of shape variables on the film cooling effectiveness of the compound angled asymmetric laidback fan shaped hole was experimentally investigated, and the optimum values of select design variables were presented.
Ye Rim Jo, Jin Young Jeong, Jae Su Kwak
doaj +1 more source
International Journal of Aerospace Engineering, 2013 Film cooling is vital to gas turbine blades to protect them from high temperatures and hence high thermal stresses. In the current work, optimization of film cooling parameters on a flat plate is investigated numerically.
Ahmed M. Elsayed +2 more
doaj +1 more source
Effects of Flow Oscillations in the Mainstream on Film Cooling
Inventions, 2018 The objective of this study is to investigate the effects of oscillations in the main flow and the coolant jets on film cooling at various frequencies (0 to 2144 Hz) at low and high average blowing ratios.
Seung Il Baek, Savas Yavuzkurt
doaj +1 more source
Theoretical and Numerical Study on Thermal Insulation Performance of Thermal Barrier Coatings
Energies, 2022 In this article, a theoretical 1-D heat transfer model and conjugate heat transfer numerical simulation was carried out to evaluate the thermal insulation of TBCs under different factors.
Chao Gao +3 more
doaj +1 more source
Energy saving potential of a counter-flow regenerative evaporative cooler for various climates of China: Experiment-based evaluation [PDF]
, 2017 © 2017 Recently there has been growing interest in regenerative evaporative coolers (REC), which can reduce the temperature of the supply air to below the wet-bulb of intake air and approach its dew-point.
Chen, Hongbing +4 more
core +1 more source