Volume 3: Turbo Expo 2004 2004
DOI: 10.1115/gt2004-53160
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Gas Turbine Combustor Heat Shield Impingement Cooling Baffle

Abstract: Numerical calculations are performed to examine the merits of a novel cooling scheme proposed to improve the durability of heat shields in a gas turbine combustor. The novel scheme is comprised of a combination of convective and impingement heat transfer. The impingement scheme incorporates three rows of holes two of which target the bore of the heat-shield while the third row targets the OD of the heat-shield and are all staggered with respect to each other. The convective heat transfer is provided through an… Show more

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“…It might be helpful to give the amount of fluid ingested for each back pressure to give an idea of the sensitivity. It is worth noting that there are similar concepts for suction aided film cooling, [17][18][19] however, they are distinctly different than the present design due to the location and configuration of the proposed suction hole.…”
Section: Design Conceptsmentioning
confidence: 99%
“…It might be helpful to give the amount of fluid ingested for each back pressure to give an idea of the sensitivity. It is worth noting that there are similar concepts for suction aided film cooling, [17][18][19] however, they are distinctly different than the present design due to the location and configuration of the proposed suction hole.…”
Section: Design Conceptsmentioning
confidence: 99%