JPH01159139U - - Google Patents
Info
- Publication number
- JPH01159139U JPH01159139U JP5464088U JP5464088U JPH01159139U JP H01159139 U JPH01159139 U JP H01159139U JP 5464088 U JP5464088 U JP 5464088U JP 5464088 U JP5464088 U JP 5464088U JP H01159139 U JPH01159139 U JP H01159139U
- Authority
- JP
- Japan
- Prior art keywords
- transition piece
- impingement
- combustor
- combustor liner
- cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007704 transition Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Description
第1図は本考案の尾筒冷却構造の一実施例の縦
断面図、第2図は従来の尾筒冷却構造のガスター
ビン燃焼器の縦断面図、第3図は尾筒内部の流路
断面積変化を示す図、第4図は尾筒の内側熱伝達
率分布図、第5図は本考案と従来の尾筒冷却構造
のインピンジメントカバーの内外の圧力分布図、
第6図は本考案の尾筒冷却構造のガスタービン燃
焼器の縦断面図、第7図と第9図は本考案の変形
例の尾筒出口部の縦断面図、第8図は第1図の
―矢視断面図である。
1……ライナ、2……尾筒、3……燃料ノズル
、4……外筒、5……ケーシング、6……インピ
ンジメントカバー、7……フロースリーブ、8…
…小孔、9……流路、11……リブ、12……通
路、13……尾筒外壁、14……尾筒内壁、15
……隙間、21……空気、22……燃焼ガス、1
01……タービンノズル、102……デイフユー
ザ。
Figure 1 is a vertical cross-sectional view of an embodiment of the transition piece cooling structure of the present invention, Figure 2 is a vertical cross-sectional view of a gas turbine combustor with a conventional transition piece cooling structure, and Figure 3 is a flow path inside the transition piece. Figure 4 is a diagram showing the change in cross-sectional area, Figure 4 is a diagram showing the internal heat transfer coefficient distribution of the transition piece, Figure 5 is a diagram showing the pressure distribution inside and outside the impingement cover of the present invention and the conventional transition piece cooling structure.
FIG. 6 is a longitudinal sectional view of a gas turbine combustor with a transition pipe cooling structure according to the present invention, FIGS. FIG. DESCRIPTION OF SYMBOLS 1... Liner, 2... Transition piece, 3... Fuel nozzle, 4... Outer cylinder, 5... Casing, 6... Impingement cover, 7... Flow sleeve, 8...
... Small hole, 9 ... Channel, 11 ... Rib, 12 ... Passage, 13 ... Transition tube outer wall, 14 ... Transition tube inner wall, 15
...Gap, 21...Air, 22...Combustion gas, 1
01...Turbine nozzle, 102...Diff user.
Claims (1)
部とを結ぶ尾筒と、前記燃焼器ライナおよび前記
尾筒の周囲をとり囲み、圧縮空気源に連通したタ
ービンケーシングと、前記燃焼器ライナ内への燃
料供給手段と、前記尾筒の前記燃焼器ライナ側寄
りに設け、前記尾筒の外周壁からある距離を隔て
て前記尾筒をとり囲むインピンジメントカバーと
、前記インピンジメントカバーに設けたインピン
ジメント冷却のための小孔群と、前記インピンジ
メントカバーにとり囲まれていないタービン部側
寄りの前記尾筒の壁内に前記インピンジメントカ
バーと前記尾筒との間隙と前記尾筒の外側とを連
通する通路とを設けたことを特徴とするガスター
ビン燃焼器。 a combustor liner, a transition piece connecting the combustor liner and the turbine section, a turbine casing surrounding the combustor liner and the transition piece and communicating with a compressed air source; a fuel supply means, an impingement cover provided near the combustor liner side of the transition piece and surrounding the transition piece at a certain distance from an outer peripheral wall of the transition piece, and an impingement provided on the impingement cover. A group of small holes for cooling and a gap between the impingement cover and the transition piece in a wall of the transition piece near the turbine section that is not surrounded by the impingement cover communicate with the outside of the transition piece. A gas turbine combustor characterized in that a gas turbine combustor is provided with a passage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5464088U JPH01159139U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5464088U JPH01159139U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01159139U true JPH01159139U (en) | 1989-11-02 |
Family
ID=31280562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5464088U Pending JPH01159139U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01159139U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011052691A (en) * | 2009-09-03 | 2011-03-17 | General Electric Co <Ge> | Impingement cooled type transition piece rear frame |
-
1988
- 1988-04-25 JP JP5464088U patent/JPH01159139U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011052691A (en) * | 2009-09-03 | 2011-03-17 | General Electric Co <Ge> | Impingement cooled type transition piece rear frame |