JP6082575B2 - パルスデトネーション燃焼器の作動中にデトネーション移行を位置付ける方法 - Google Patents
パルスデトネーション燃焼器の作動中にデトネーション移行を位置付ける方法 Download PDFInfo
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- JP6082575B2 JP6082575B2 JP2012260438A JP2012260438A JP6082575B2 JP 6082575 B2 JP6082575 B2 JP 6082575B2 JP 2012260438 A JP2012260438 A JP 2012260438A JP 2012260438 A JP2012260438 A JP 2012260438A JP 6082575 B2 JP6082575 B2 JP 6082575B2
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- Prior art keywords
- combustion
- detonation
- tube
- region
- fuel
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- 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.)
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Classifications
-
- 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
- F23R7/00—Intermittent or explosive combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C5/00—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K7/00—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof
- F02K7/02—Plants in which the working fluid is used in a jet only, i.e. the plants not having a turbine or other engine driving a compressor or a ducted fan; Control thereof the jet being intermittent, i.e. pulse-jet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C5/00—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion
- F02C5/02—Gas-turbine plants characterised by the working fluid being generated by intermittent combustion characterised by the arrangement of the combustion chamber in the chamber in the plant
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Description
「擬似デトネーション」とは、デフラグレーション波によりもたらされる圧力増大、温度上昇、及び速度増大よりも大きな圧力増大、温度上昇、及び速度増大を生じる超音速乱流燃焼プロセスである。
110 バルブ
120 燃焼管体
130 燃料噴射装置
140 ノズル
150 開始システム
160 強化DDT領域
170 障害物
182 第1の個々のイニシエータ/点火装置
184 第2の点火装置
186 第3の点火装置
200 PDC
210 強化領域
220 スリーブ
230 歪みゲージ
300 PDC
310 冷却流体経路
320 縮小断面積
400 PDC
410 プラズマ開始システム
420 内側電極
430 外側電極
440 電極の通電部分
Claims (14)
- パルスデトネーション燃焼器(PDC)を作動させる方法であって、該燃焼器が、燃焼管体と、前記燃焼管体の上流側端部上に配置される入口と、前記入口の下流側で前記燃焼管体内に位置する強化DDT領域と、前記燃焼管体の下流側端部上に配置されるノズルと、前記強化DDT領域の下流側で且つ前記ノズルの上流側に配置される強化領域と、前記燃焼管体の長さに沿った複数の開始位置を提供する燃焼開始システムと、を有し、
前記方法が、
前記入口を介して前記燃焼管体に燃料/空気混合物の流れを提供するステップと、
前記燃焼管体の長さに沿った選択位置にて前記開始システムを起動して該選択位置にて前記燃焼管体内で前記燃料/空気混合物を点火させ、前記燃料/空気混合物の燃焼がデトネーションに移行すると予想される予想デトネーション領域を選択するようにするステップと、
前記燃焼管体から前記ノズルを通って燃焼生成物を排出するステップと、
を含む、方法。 - 前記開始システムが、複数の個々のイニシエータを含み、その少なくとも1つが、前記複数の開始位置の各々に配置され、前記起動ステップが、前記選択された位置にある前記個々のイニシエータを用いるステップを含む、請求項1に記載の方法。
- 前記複数の個々のイニシエータの少なくとも1つが、前記強化DDT領域の上流側に配置され、前記複数のイニシエータの少なくとも1つが、前記強化DDT領域内に配置される、請求項2に記載の方法。
- 前記開始システムが、前記管体内に配置され且つ最も離れた上流側開始位置から最も離れた下流側開始位置まで少なくとも延びた第1の電極と、前記管体に隣接して配置された第2の電極と、を含み、前記起動ステップが、前記電極を互いに反対の電気極性に荷電し、前記電極の少なくとも1つを前記選択位置においてのみ選択的に荷電するステップを含む、請求項1に記載の方法。
- 前記予想デトネーション領域が、前記燃焼管の強化領域である、請求項1に記載の方法。
- 前回の燃焼のデトネーションへの移行の位置を検出するステップと、
前記前回のデトネーションの移行の位置に基づいて前記開始システムを起動すべき選択位置を調整するステップと、
を更に含む、請求項1に記載の方法。 - 前記移行位置の検出ステップが、前記燃焼管体の長さに沿った複数の位置において前記燃焼管体の歪みを測定することによって実施される、請求項6に記載の方法。
- 前記強化DDT領域内ではデトネーションへの移行が起こらないことが確認される、請求項6に記載の方法。
- 前記燃料/空気混合物の圧力及び前記燃料/空気混合物の温度の少なくとも1つに基づいて前記選択開始位置を変化させるステップを更に含む、請求項1に記載の方法。
- 前記PDCに対して指令されたスロットル設定に基づいて前記選択開始位置を変化させるステップを更に含む、請求項1に記載の方法。
- 前記選択されたデトネーション領域が、前記強化DDT領域の長さ内に存在せず、前記燃料/空気混合物のデトネーションが前記強化DDT領域内で起こらないようにする、請求項1に記載の方法。
- 前記強化DDT領域内の機械的故障を検出するステップと、
前記開始システムを起動すべき前記選択位置を調整して前記機械的故障に対して補償するステップと、
を更に含む、請求項1に記載の方法。 - 前記機械的故障が、前記燃料/空気混合物の燃焼の加速における前記強化DDT領域の有効性を低減する結果となる、請求項12に記載の方法。
- 前記強化DDT領域内の機械的故障を検出するステップと、
前記開始システムを起動すべき前記選択位置を調整して前記機械的故障に対して補償するステップと、
を更に含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/308,577 US9140456B2 (en) | 2011-12-01 | 2011-12-01 | Variable initiation location system for pulse detonation combustor |
US13/308,577 | 2011-12-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013117369A JP2013117369A (ja) | 2013-06-13 |
JP6082575B2 true JP6082575B2 (ja) | 2017-02-15 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2012260438A Expired - Fee Related JP6082575B2 (ja) | 2011-12-01 | 2012-11-29 | パルスデトネーション燃焼器の作動中にデトネーション移行を位置付ける方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9140456B2 (ja) |
EP (1) | EP2600061A3 (ja) |
JP (1) | JP6082575B2 (ja) |
CN (1) | CN103134082B (ja) |
BR (1) | BR102012030575A2 (ja) |
CA (1) | CA2796483A1 (ja) |
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CN103958398B (zh) | 2011-09-27 | 2016-01-06 | 国际热化学恢复股份有限公司 | 合成气净化系统和方法 |
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US11555157B2 (en) | 2020-03-10 | 2023-01-17 | Thermochem Recovery International, Inc. | System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas |
CN111720217B (zh) * | 2020-06-12 | 2021-07-06 | 西北工业大学 | 一种用于多管脉冲爆震燃烧室的自适应低压燃油分配器 |
US11466223B2 (en) | 2020-09-04 | 2022-10-11 | Thermochem Recovery International, Inc. | Two-stage syngas production with separate char and product gas inputs into the second stage |
CN113864824B (zh) * | 2021-11-02 | 2023-07-25 | 西安热工研究院有限公司 | 一种适用于旋转爆震燃烧室长度可变的预爆管 |
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2011
- 2011-12-01 US US13/308,577 patent/US9140456B2/en active Active
-
2012
- 2012-11-22 CA CA 2796483 patent/CA2796483A1/en not_active Abandoned
- 2012-11-26 EP EP12194282.5A patent/EP2600061A3/en not_active Withdrawn
- 2012-11-29 JP JP2012260438A patent/JP6082575B2/ja not_active Expired - Fee Related
- 2012-11-30 BR BRBR102012030575-5A patent/BR102012030575A2/pt not_active IP Right Cessation
- 2012-11-30 CN CN201210502361.7A patent/CN103134082B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN103134082B (zh) | 2016-06-29 |
BR102012030575A2 (pt) | 2014-08-26 |
CA2796483A1 (en) | 2013-06-01 |
JP2013117369A (ja) | 2013-06-13 |
EP2600061A3 (en) | 2017-11-15 |
CN103134082A (zh) | 2013-06-05 |
US9140456B2 (en) | 2015-09-22 |
EP2600061A2 (en) | 2013-06-05 |
US20130139487A1 (en) | 2013-06-06 |
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