Effusion momentum control

A combustor liner for shielding an engine from heat generated in a combustion zone includes a sheet with a cool surface for intercepting a cooling air stream and a hot surface enclosing the combustion zone, the combustor liner further including an array of effusion holes extending from the cool surf...

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Bibliographische Detailangaben
Hauptverfasser:	FLAMAND LUIS M, KAWAMURA HIROSHI, ANDERSON MORRIS G
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION ENGINES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS
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Beschreibung
Zusammenfassung:	A combustor liner for shielding an engine from heat generated in a combustion zone includes a sheet with a cool surface for intercepting a cooling air stream and a hot surface enclosing the combustion zone, the combustor liner further including an array of effusion holes extending from the cool surface to the hot surface to allow a portion of the cooling air stream to pass through the effusion holes into the combustion zone, where a portion of the array includes a plurality of upstream-pointed effusion holes oriented such that each upstream-pointed effusion hole has an orientation obtuse to a direction of main flow in the combustion zone so as to control the momentum of cooling air passing into the combustion zone.