JP4638420B2 - 表面温度制御システム - Google Patents
表面温度制御システム Download PDFInfo
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- JP4638420B2 JP4638420B2 JP2006515078A JP2006515078A JP4638420B2 JP 4638420 B2 JP4638420 B2 JP 4638420B2 JP 2006515078 A JP2006515078 A JP 2006515078A JP 2006515078 A JP2006515078 A JP 2006515078A JP 4638420 B2 JP4638420 B2 JP 4638420B2
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- 238000001816 cooling Methods 0.000 claims abstract description 65
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 13
- 238000002386 leaching Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011153 ceramic matrix composite Substances 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 15
- 238000005553 drilling Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
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- 238000007796 conventional method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920002631 room-temperature vulcanizate silicone Polymers 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/003—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by using permeable mass, perforated or porous materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/38—Constructions adapted to reduce effects of aerodynamic or other external heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/52—Protection, safety or emergency devices; Survival aids
- B64G1/58—Thermal protection, e.g. heat shields
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0077—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements
- F28D2021/0078—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for tempering, e.g. with cooling or heating circuits for temperature control of elements in the form of cooling walls
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Emergency Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Critical Care (AREA)
- Dispersion Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Laminated Bodies (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Coating By Spraying Or Casting (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Control Of Temperature (AREA)
Description
発明の分野
この発明は一般に、表面上で高速の流れが同時に発生する高熱流束環境において表面温度制御をもたらす方法および装置を対象にし、より特定的には、上記の環境において気膜冷却または浸出冷却を伝統的に含む表面温度制御方法および装置を対象にする。
航空機、ミサイル、および宇宙船のさまざまな構成要素を含む多くの工学的用途では、高速の流れに接しながら、同時に、入射高熱流束の影響を受ける表面に対して温度制御を必要とする。このような状況下での表面温度制御の従来の方法は、気膜冷却および浸出冷却である。
この発明の1つの局面に従って、内壁および外壁によって境界付けられる構造冷却用空気プレナムを含む表面温度制御装置が提供される。多孔質層が外壁に取付けられる。多孔質層は、低強度の発泡セラミックを含んでもよい。表面温度制御は、冷却用空気を多孔質層に流入させ、次いで多孔質層から流出させることによって達成されてもよい。冷却材が入るための穴が幾つか設けられ、これらの穴はプレナムの外壁を通って多孔質層に続く。
最初に図1を参照して、概して10で示される冷却装置は、外側構造壁14と組合せられる内部構造部材12を含み、それらの間にプレナム16を形成する。内部構造部材12および外側構造壁14は、たとえばチタンなどの金属材料から形成されてもよい。多孔質層18は外側構造壁14に接着結合されてもよく、または他の態様で、外側構造壁14に取付けられてもよい。入口穴20は外側構造壁14に形成されてもよく、多孔質層18を貫通してもよく、太字の矢印22によって示されるように、プレナム16から多孔質層18の中に冷却用空気の流れを与える。たとえば、入口穴20の直径は約2.29mm(90mils)であってもよく、その深さは多孔質層18の厚さの2分の1までであってもよく、その間隔は約6.9mm(0.27″)であってもよい。
示されるように、プレナム16の中に導入される冷却用空気は、矢印22によって示されるように、入口穴20を通って多孔質層18に入る。冷却用空気は、次いで、多孔質層18に示される複数の矢印34によって表されるように、多孔質層18の厚さ方向に進みながら、多孔質層18の面方向に広がる。冷却用空気の大半は、矢印36によって示されるように、出口穴26を通って流れる。なぜなら、半透過層24が多孔質層18からの冷却用空気の流れの大きな障害になるからである。出口穴26を通って流れ出ない少量の冷却用空気は、矢印28によって示されるように、出口穴26の間の領域にある半透過層24を通って浸出す。
れるように、冷却用空気がサンプルの表面温度を冷却されない表面の温度より低く下げる効率の尺度である。0.0という冷却効果は、冷却される壁の温度と冷却されない壁の温度とが等しいことに対応し、1.0という冷却効果は、冷却される壁の温度と冷却材のプレナム供給温度とが等しいことに対応する。グラフ上の垂直の線38および40は、サンプル表面上にある出口穴グリッドの上流および下流限界をそれぞれ描写する。
Claims (8)
- 間にプレナム(16)を規定する、内部構造部材(12)および外側構造壁(14)と、
前記外側構造壁(14)に取付けられる多孔質層(18)とを有し、
前記外側構造壁(14)は中に開口(20)を含む、表面上で高速の流れが同時に発生する高熱流束環境において表面温度制御をもたらす装置(10)であって、さらに
穴を有し前記多孔質層(18)の外側表面上に配置される、障壁層(24)を有し、前記障壁層(24)の材料は冷却材を前記穴の間の領域における前記材料を通って浸出することを可能とするように構成されたことを特徴とする、装置。 - 前記多孔質層(18)は発泡セラミック断熱層を含む、請求項1に記載の装置。
- 前記障壁層(24)は硬化したセラミックマトリックス複合材を含む、請求項1に記載の装置。
- 前記外側構造壁(14)は金属材料から形成される、請求項1ないし3のいずれか1項に記載の装置。
- 内部構造部材(12)および外側構造壁(14)によって境界付けられる構造プレナム(16)を設けるステップと、
前記プレナム(16)の外側にある前記外側構造壁(14)に取付けられる多孔質層(18)を設けるステップと、
前記プレナム(16)が前記多孔質層(18)と流体連通するように、前記外側構造壁(14)に開口を形成するステップとを有する、表面上で高速の流れが同時に発生する高熱流束環境において表面温度制御をする方法であって、さらに、
前記多孔質層(18)に取り付けられる穴を有する障壁層(24)を設けるステップと、
前記プレナム(16)内に加圧空気を与えるステップとを有し、
前記加圧空気の一部は前記穴間の領域における前記障壁層(24)を通って浸出することを特徴とする、方法。 - 前記加圧空気は概して、前記プレナム(16)の前記外側構造壁(14)における前記開口から前記多孔質層(18)の厚さ方向を通って前記障壁層(24)へ、前記多孔質層(18)の面方向においていくらか広がりながら流れる、請求項5に記載の方法。
- 前記加圧空気の大半は前記障壁層(24)の穴を通って前記多孔質層(18)を出る、請求項6に記載の方法。
- 前記穴を通って出る前記加圧空気は、前記障壁層(24)を通って浸出す前記加圧空気の前記一部と混ざって、冷却される表面に隣接した冷却気膜を形成する、請求項5に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/455,204 US7055781B2 (en) | 2003-06-05 | 2003-06-05 | Cooled insulation surface temperature control system |
PCT/US2004/017309 WO2004108531A1 (en) | 2003-06-05 | 2004-06-01 | Surface temperature control system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006526540A JP2006526540A (ja) | 2006-11-24 |
JP4638420B2 true JP4638420B2 (ja) | 2011-02-23 |
Family
ID=33489904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006515078A Expired - Lifetime JP4638420B2 (ja) | 2003-06-05 | 2004-06-01 | 表面温度制御システム |
Country Status (9)
Country | Link |
---|---|
US (2) | US7055781B2 (ja) |
EP (2) | EP2108587B1 (ja) |
JP (1) | JP4638420B2 (ja) |
CN (1) | CN100415607C (ja) |
AT (1) | ATE440029T1 (ja) |
CA (1) | CA2527105C (ja) |
DE (1) | DE602004022678D1 (ja) |
ES (2) | ES2330112T3 (ja) |
WO (1) | WO2004108531A1 (ja) |
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-
2003
- 2003-06-05 US US10/455,204 patent/US7055781B2/en not_active Expired - Lifetime
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2004
- 2004-06-01 AT AT04754014T patent/ATE440029T1/de not_active IP Right Cessation
- 2004-06-01 ES ES04754014T patent/ES2330112T3/es not_active Expired - Lifetime
- 2004-06-01 ES ES09009348T patent/ES2845349T3/es not_active Expired - Lifetime
- 2004-06-01 CN CNB2004800224473A patent/CN100415607C/zh not_active Expired - Lifetime
- 2004-06-01 CA CA002527105A patent/CA2527105C/en not_active Expired - Lifetime
- 2004-06-01 WO PCT/US2004/017309 patent/WO2004108531A1/en active Application Filing
- 2004-06-01 JP JP2006515078A patent/JP4638420B2/ja not_active Expired - Lifetime
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- 2004-06-01 DE DE602004022678T patent/DE602004022678D1/de active Active
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Also Published As
Publication number | Publication date |
---|---|
CA2527105C (en) | 2008-12-02 |
ATE440029T1 (de) | 2009-09-15 |
EP1651518B1 (en) | 2009-08-19 |
EP2108587A2 (en) | 2009-10-14 |
ES2330112T3 (es) | 2009-12-04 |
DE602004022678D1 (de) | 2009-10-01 |
CN100415607C (zh) | 2008-09-03 |
ES2845349T3 (es) | 2021-07-26 |
US7055781B2 (en) | 2006-06-06 |
US20060060702A1 (en) | 2006-03-23 |
CN1832883A (zh) | 2006-09-13 |
EP2108587A3 (en) | 2017-12-13 |
US20040245389A1 (en) | 2004-12-09 |
WO2004108531A1 (en) | 2004-12-16 |
US7232093B2 (en) | 2007-06-19 |
JP2006526540A (ja) | 2006-11-24 |
CA2527105A1 (en) | 2004-12-16 |
EP1651518A1 (en) | 2006-05-03 |
EP2108587B1 (en) | 2020-10-28 |
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