Hybrid film cooled combustor liner

A combustor liner has an annular shell which includes a first portion and a second portion. The first portion is provided with slot film cooling and the second portion is provided with multi-hole film cooling. The multi-hole cooling portion can be located either forward or aft of the slot film cooli...

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Bibliographic Details
Main Authors Kutter, Ella, Al-Roub, Marwan, Leen, Thomas, Brown, Daniel, Young, Craig, Farmer, Gilbert, Ehteshami, Mohammad
Format Patent
LanguageEnglish
Published 06.02.2003
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Summary:A combustor liner has an annular shell which includes a first portion and a second portion. The first portion is provided with slot film cooling and the second portion is provided with multi-hole film cooling. The multi-hole cooling portion can be located either forward or aft of the slot film cooling portion, depending on the nature of the combustor that the liner is to be used in. In one possible embodiment, the liner includes a first annular panel, a second annular panel section joined at its forward end to the aft end of the first panel section, and a third annular panel section being joined at its forward end to the aft end of the second panel section. At least one of the panel sections has multi-hole film cooling and at least one other of the panel sections has slot film cooling.