Investigation of Air Stream from Air-Entry Holes of the High-Intensity Combustor-Liner
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概要
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Investigation of the jets flowing from air entry holes of the liner of a gas turbine combustor was carried out using simplified models. Cold air was supplied through the air entry holes normally into the primary hot gas flows. The mass flows of the primary hot gas and issuing jets were measured and the behavior of the air jets was studied by the measurements of the temperature distribution of the gas mixture. The maximum penetration of the jets, the jet flow path, the mixing of the jets and the discharge coefficient of the holes were investigated. Some empirical expressions were obtained for the case of a simple air entry hole. The results showed that the penetration rate and the path of the jets flowing from paired holes parallel to the primary flow can be estimated from the modified empirical expressions obtained for the single air entry hole.
- 一般社団法人日本機械学会の論文
著者
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Inoue Masayuki
Nagasaki Ship Yard And Engine Works Mitsubishi Heavy Industries Ltd.
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AIBA Tetsuro
National Aerospace Laboratory