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10 giu 2019 · Film holes for four-hole configurations have the same inlet diameter of 8 mm. The adiabatic film cooling effectiveness for each hole configuration is analyzed for varying blowing ratios ( M = 0.25, 0.5, 0.75, and 1.0). Results show that the best cooling performance for the conical and fan-shaped holes is obtained at the blowing ratio of 0.75.
1 lug 1994 · Experimental results of the overall and adiabatic cooling effectiveness for full-coverage discrete hole film cooling are presented for a range of practical geometries. The results are reported for various hot gas mainstream-to-coolant temperature (density) ratios, in the realistic range of 1.0–3.2. The variation of this ratio was achieved by increasing the crossflow mainstream temperature ...
18 apr 2010 · GasHole: Directed by Scott Roberts, Jeremy Wagener. With Peter Gallagher, Anna Eshoo, Brian Pauwels, Curtis Wright. About the history of oil prices and the future of alternative fuels.
- 2 min
- 14
A gas turbine engine combustor is provided, having a single wall sheet metal liner which is generally annular in shape which may be corrugated and a multi-hole film cooling means which includes at least one pattern of a great many small closely spaced sharply downstream angled film cooling holes disposed essentially along portion of the liner to be cooled.
23 lug 2020 · The result of the study showed that the CA film hole oriented at 60° and 90° has delivered higher spanwise averaged FCE across the lateral axis of the test surface for both low to high IR. Gao et al. carried out a numerical investigation to analyze the performance of the CA film hole embedded on the gas turbine guide vane LE model.
11 lug 1991 · @inproceedings{Wakeman1991GasTE, title={Gas turbine engine multi-hole film cooled combustor liner and manufacturing method thereof}, author= ...
13 gen 2021 · The gas film uniformity and its thickness majorly rely upon electrolyte temperature. At high electrolyte temperature (around 90 °C), the gas film turns out to be more uniform, thin, and vibrates moderately; and at low temperatures (around 40 °C), the gas film vibrates very fast which resulted in gas film waves of high amplitude.
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