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    • 90. 发明专利
    • COMBUSTOR FOR GAS TURBINE
    • JPS59229114A
    • 1984-12-22
    • JP10073083
    • 1983-06-08
    • HITACHI LTD
    • IIZUKA NOBUYUKIHIROSE FUMIYUKISATOU ISAOISHIBASHI YOUJI
    • F23R3/26F23R3/02F23R3/18F23R3/54
    • PURPOSE:To prevent partial heating of a combustor due to the deviated flow of the air, by a method wherein a double-structured titled combustor is constituted such that a high resistance flow uniformizing means is located at the high speed part of a flow- in air and a low resistance flow uniformizing means is situated at the low speed part thereof in the vicinity of the inlet of an annular passage. CONSTITUTION:A main flow 36 of the air for combustion, flowing through an annular chamber 13 by means of an air exhaust port 12, flows around a tail tube 14 and collects to the back 21 side of the tail tube. However, since the upper side 35 of a flow uniformizing tube 29 is projected throughout a way to the back 21 side of the tail tube, a part of the air flows to an annular passage 30 between the flow uniformizing cylinder 29 and an annular tube 4. The rest flows in a space between the flow uniformizing tube 29 and the chamber 13, is inverted as shown by arrow marks 38 and 41 and flows downward, and flows in the annular passage 30 from below as shown by arrow marks 37 and 39. Thus, the resistance of the annular passage on the tube 21 side of the tail tube 14 is apparently increased over that of the belly 22 side, the speed of the air on the upper side in the annular passage is equalized with that on the lower side in the annular passage. This prevents creation of the deviated flow of the air in the annular passage and enables prevention of the occurrence of partial heating.