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Sustainable machining of heat resistant superalloys using hybrid nanofluid based minimum quantity lubrication. [PDF]
Sci RepChohan JS +7 more
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Radiative Cooling Materials for Extreme Environmental Applications. [PDF]
Nanomicro LettXu J +9 more
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Film Cooling Effectiveness and Flow Structures of Butterfly-Shaped Film Cooling Hole Configuration
Volume 7A: Heat Transfer — Combustors; Film Cooling, 2023Abstract Film cooling is applied to various high-temperature components of a gas turbine and greatly affected by the shape of the injection hole. Numerous studies have been conducted to investigate various film cooling structures to increase the film cooling effectiveness by inducing coolants toward the surface.
Jin Young Jeong +4 more
openaire +2 more sources
Journal of turbomachinery, 2022
Diffusion shaped holes are widely used on aero-engine turbine blades for film cooling. The effect of the spanwise-expansion angle and spanwise width of the hole exit on the film cooling effectiveness of diffusion shaped holes were investigated in this ...
Cun-liang Liu +6 more
semanticscholar +1 more source
Diffusion shaped holes are widely used on aero-engine turbine blades for film cooling. The effect of the spanwise-expansion angle and spanwise width of the hole exit on the film cooling effectiveness of diffusion shaped holes were investigated in this ...
Cun-liang Liu +6 more
semanticscholar +1 more source
Journal of turbomachinery, 2022
The coolant flow condition at the film hole entrance has a notable effect on film cooling effectiveness. The previous studies about internal ribbed crossflow effects are the hole with a circular inlet cross-section. In this study, a diffusion slot hole
Chen Li, B. An, J. Liu
semanticscholar +1 more source
The coolant flow condition at the film hole entrance has a notable effect on film cooling effectiveness. The previous studies about internal ribbed crossflow effects are the hole with a circular inlet cross-section. In this study, a diffusion slot hole
Chen Li, B. An, J. Liu
semanticscholar +1 more source
, 2021
One-dimensional laterally averaged adiabatic film cooling effectiveness η¯lat-based correlations have been widely employed in the cooling design of the modern gas turbine and aero-engine; however, the flow field of the discrete film cooling is fully ...
Ziyu Chen +3 more
semanticscholar +1 more source
One-dimensional laterally averaged adiabatic film cooling effectiveness η¯lat-based correlations have been widely employed in the cooling design of the modern gas turbine and aero-engine; however, the flow field of the discrete film cooling is fully ...
Ziyu Chen +3 more
semanticscholar +1 more source
Enhancement in Film Cooling Effectiveness Using Delta Winglet Pair
, 2021A simulation study has been carried out to investigate the influence of delta winglet pair (DWP) for improving the film cooling effectiveness of a gas turbine blade.
Nirmal Halder, A. Saha, P. Panigrahi
semanticscholar +1 more source
Effects of mainstream attack angles on film-cooling effectiveness of double-jet film-cooling
International Journal of Thermal Sciences, 2020Abstract Effects of mainstream attack angles on double-jet film-cooling (DJFC) effectiveness under different blowing ratios (M = 0.5, 1.0, 1.5, 2.0) are investigated experimentally on a flat plate, and the flow field is obtained by simulation. The attack angles (i) are −30°, −20°, −10°, 0°, 10°, 20°, 30° respectively.
Jianhong He +5 more
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Predictions of Adiabatic Film Cooling Effectiveness for Effusion Film Cooling
Volume 4: Turbo Expo 2007, Parts A and B, 2007This paper presents computational predictions of adiabatic film cooling effectiveness for effusion cooling systems with 90° and 30° holes. Predictions are performed for a range of coolant injection mass flow rates per unit surface area, G, of 0.1kg/sm2 - 1.6 kg/sm2 for 90° holes with constant pitch-to-diameter ratio of X/D = 11 and 10 rows of holes and
Nadiahnor Md. Yusop +5 more
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