JP2005114347A - ガスタービンエンジン燃焼器とその設計方法 - Google Patents
ガスタービンエンジン燃焼器とその設計方法 Download PDFInfo
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- JP2005114347A JP2005114347A JP2004289600A JP2004289600A JP2005114347A JP 2005114347 A JP2005114347 A JP 2005114347A JP 2004289600 A JP2004289600 A JP 2004289600A JP 2004289600 A JP2004289600 A JP 2004289600A JP 2005114347 A JP2005114347 A JP 2005114347A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/002—Wall structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/42—Continuous combustion chambers using liquid or gaseous fuel characterised by the arrangement or form of the flame tubes or combustion chambers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】ガスタービンエンジン燃焼器20は、内側寄りの壁32と外側寄りの壁34とを備える。前方のバルクヘッド36は、これらの壁の間に延在し、これらの壁と協働して燃焼器内側容積30を定義する。長手方向の断面においては、燃焼器内側容積の第1の領域54は、前方から後方に向かって収束し、この第1の領域54より後方に位置する第2の領域56は、上記第1の領域54より緩やかに前方から後方に向かって収束する。
【選択図】図1
Description
26…ガスタービンエンジン
30…燃焼室
32…内側寄りの壁
34…外側寄りの壁
36…バルクヘッド
40…スワラ
42…燃料噴射装置
50…点火プラグ
54…上流領域
56…下流領域
500…長手方向の中心軸
Claims (13)
- 内側寄りの壁と、
外側寄りの壁と、
上記内側寄りの壁と上記外側寄りの壁との間に延在し、かつ、これらの壁と協働して燃焼器内側容積を定義する前方バルクヘッドと、
を備え、かつ、
長手方向の断面においては、上記燃焼器内側容積の第1の領域が前方から後方へ向かって収束し、かつ、上記第1の領域の後方に位置する第2の領域が、上記第1の領域より緩やかに前方から後方へ向かって収束することを特徴とするガスタービンエンジン燃焼器。 - 上記第1の領域は、上記内側容積の少なくとも25%に相当し、かつ、
上記第2の領域は、上記内側容積の少なくとも35%に相当することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。 - 上記第1の領域は、上記内側容積の少なくとも35%に相当し、かつ、
上記第2の領域は、上記内側容積の少なくとも50%に相当することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。 - 上記第1の領域と第2の領域とは、合わせて、上記内側容積の少なくとも80%に相当することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記第1の領域と第2の領域とは、合わせて、上記内側容積の少なくとも90%に相当することを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 上記内側寄りの壁は、第1の部分と、該第1の部分の後方に位置しかつ該第1の部分に対し長手方向内側に180°〜210°の角度をなす第2の部分と、を備え、かつ、
上記外側寄りの壁は、第1の部分と、該第1の部分の後方に位置しかつ該第1の部分に対し長手方向内側に180°〜210°の角度をなす第2の部分と、を備えることを特徴とする請求項1に記載のガスタービンエンジン燃焼器。 - 上記内側寄りの壁と上記外側寄りの壁との各々は、外側シェルと内側多層パネル断熱シールドとを含むことを特徴とする請求項1に記載のガスタービンエンジン燃焼器。
- 内側寄りの壁と、
外側寄りの壁と、
上記内側寄りの壁と上記外側寄りの壁との間に延在し、かつ、これらの壁と協働して燃焼器内側容積を定義する前方バルクヘッドと、
を備え、かつ、
上記内側寄りの壁と上記外側寄りの壁との少なくとも一方が、第1の部分と、該第1の部分の後方に位置しかつ該第1の部分に対し長手方向内側に185°〜210°の角度をなす第2の部分と、を備えることを特徴とするガスタービンエンジン燃焼器。 - 上記内側寄りの壁と上記外側寄りの壁との他方が、第1の部分と、該第1の部分の後方に位置しかつ該第1の部分に対し長手方向内側に185°〜205°の角度をなす第2の部分と、を備えることを特徴とする請求項8に記載のガスタービンエンジン燃焼器。
- 長手方向の断面において、上記内側寄りの壁と上記外側寄りの壁とは、複数の直線部分から基本的に構成されることを特徴とする請求項8に記載のガスタービンエンジン燃焼器。
- 内側寄りの壁と、外側寄りの壁と、上記内側寄りの壁と上記外側寄りの壁との間に延在し、かつ、これらの壁と協働して燃焼器内側容積を定義する前方バルクヘッドと、を備え、かつ、長手方向の断面においては、上記燃焼器内側容積の第1の領域が前方から後方へ向かって収束し、かつ、上記第1の領域の後方に位置する第2の領域が、上記第1の領域より緩やかに前方から後方へ向かって収束することとなる、ガスタービンエンジン燃焼器を設計する方法であって、
第1の領域における所望の短い滞留時間を得るように上記第1の領域の収束角度を選択する段階と、
所望の少ないNOxの発生を得るようにプロセス空気の導入パラメータの選択と一緒に上記第2の領域の収束角度を選択する段階と、
を含むことを特徴とする方法。 - クエンチ領域を要望通り短くできるように上記収束角度およびプロセス空気の導入パラメータの選択が変化することを特徴とする請求項11に記載の方法。
- 上記設計された燃焼器が、再設計もしくは交換される基本の燃焼器に比べNOxの発生を抑えるように機能する請求項11に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/684,335 US7093441B2 (en) | 2003-10-09 | 2003-10-09 | Gas turbine annular combustor having a first converging volume and a second converging volume, converging less gradually than the first converging volume |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005114347A true JP2005114347A (ja) | 2005-04-28 |
JP4087372B2 JP4087372B2 (ja) | 2008-05-21 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2004289600A Expired - Fee Related JP4087372B2 (ja) | 2003-10-09 | 2004-10-01 | ガスタービンエンジン燃焼器とその設計方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7093441B2 (ja) |
EP (1) | EP1522792B1 (ja) |
JP (1) | JP4087372B2 (ja) |
Cited By (1)
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-
2004
- 2004-10-01 JP JP2004289600A patent/JP4087372B2/ja not_active Expired - Fee Related
- 2004-10-08 EP EP04256235A patent/EP1522792B1/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015146376A1 (ja) * | 2014-03-28 | 2015-10-01 | 三菱重工業株式会社 | ジェットエンジン、飛しょう体及びジェットエンジンの動作方法 |
US10830439B2 (en) | 2014-03-28 | 2020-11-10 | Mitsubishi Heavy Industries, Ltd. | Jet engine, flying object, and method of operating a jet engine |
Also Published As
Publication number | Publication date |
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EP1522792A1 (en) | 2005-04-13 |
US7093441B2 (en) | 2006-08-22 |
EP1522792B1 (en) | 2013-01-02 |
JP4087372B2 (ja) | 2008-05-21 |
US20060037322A1 (en) | 2006-02-23 |
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