ታ㛎⊛⎇ⓥ䈪䈲ᮨဳ䈱૞ᚑ䈮ᤨ㑆䈫䉮䉴䊃䉕ⷐ䈚䋬ᦨ⚳⊛䈮

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

䈲䈛䉄䈮

䊶㘑ᵢታ㛎䈫 CFD 䈏ⓨജ⎇ⓥ䈮䈍䈔䉎ゞ䈱ਔベ䈪䈅䉎䈖䈫䈲⥄᣿䇯 䊶䈪䈐䉏䈳䇮ਔᣇ䉇䉍䈢䈇䇯หᤨㅴⴕ䈚䈢䈇䇯

䊶䈫䈲⸒䈋䇮ᤨ㑆䈱ო䈏䈠䉏䉕䈭䈎䈭䈎⸵䈘䈭䈇䇯 䊶㘑ᵢታ㛎䈫 CFD 䈮䈍䈔䉎ᤨ㑆ᗵⷡ䈱䉩䊞䉾䊒䇯

䉸䊐䊃䋯䊊䊷䊄䈱⊒ዷ䈮䉋䉍 CFD 䈮䈍䈇䈩䇮⚿ᨐ䉕ᓧ䉎䉁䈪䈱 䉺䉟䊛䉴䉬䊷䊦䈲䇸 䇸ᣣ䇹䉇䇸 䇸ᤨ㑆䇹䈱ᗵⷡ

ታ㛎⊛⎇ⓥ䈪䈲ᮨဳ䈱૞ᚑ䈮ᤨ㑆䈫䉮䉴䊃䉕ⷐ䈚䋬ᦨ⚳⊛䈮

⚿ᨐ䉕ᓧ䉎䉁䈪䈱䉺䉟䊛䉴䉬䊷䊦䈲䇸䇸ㅳ䇹䉇䇸 䇸᦬䇹䈱ᗵⷡ䇯 㵰䈠䈱႐䈪䉇䉎㵱䈫䈇䈉ᗵⷡ䈪䈲䈭䈇䇯

1

㘑ᵢታ㛎䊔䊷䉴䈱ᭂ⿥㖸ㅦᯏᒻ⁁ᦨㆡൻ䈲น⢻䈎䋿

㋈ᧁብੑ㇢

᧲੩ᄢቇᄢቇ㒮ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

EFD/CFD Ⲣว⎇ⓥળ 2008, 2, 26 JAXA ⺞Ꮣ

᧲੩ᄢቇᄢቇ㒮ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

ୃ჻⺰ᢥ (Feb. 2008)

᧻ᧄ㆐⍫䇸䊤䊏䉾䊄䊒䊨䊃䉺䉟䊒ⵝ⟎䈮䉋䉎ᭂ⿥㖸ㅦ㘑ᵢታ㛎

ല₸ൻ䈫䉡䉢䉟䊑䊤䉟䉻䊷ᒻ⁁⸳⸘䈻䈱ᔕ↪䇹

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

ㄭᐕ⊒ዷ䈚䈩䈐䈢䊤䊏䉾䊄䊒䊨䊃䉺䉟䊏䊮䉫䉕㘑ᵢታ㛎䈱

ᮨဳ૞䉍䈮ㆡ↪䈜䉎䈖䈫䈪㘑ᵢታ㛎䈱ല₸ൻ䉕࿑䉎䈖䈫䈏 น⢻䈪䈲䈭䈇䈎䋿

䋱䋮㘑ᵢታ㛎䈱䊂䊷䉺↢↥ᕈ䈏㜞䈇䈖䈫䇯 䋲䋮ᮨဳ⵾૞䈱㜞ㅦൻ䋨ᤨ㑆䈱ή㚝䉕⋭䈒䋩

㘑ᵢታ㛎䋽ᮨဳ⵾૞䋫㘑ᵢታ㛎

㘑ᵢታ㛎䈮㜞䈇ᯏേᕈ䉕ᜬ䈢䈞䈢䈇䇯

䇸ᦺᕁ䈇䈧䈇䈩䇮ᤤ䈠䉏䉕ታⴕ䈚䇮ᄕᣇ䈮⚿ᨐ䉕⍮䉎䇹

3

㘑ᵢᮨဳ૞ᚑ

㘑ᵢታ㛎

⸘▚ᩰሶ૞ᚑ

ᢙ୯⸘▚

⚿ᨐ䈱ขᓧ

㘑ᵢ ታ㛎 䈱ല ₸ൻ 䈱 䈢䉄 䈮䈖䈱 ㇱಽ 䈱

ᤨ㑆 䉮䉴䊃 䉕೥ᷫ 䈜䉎

ᵹ૕⸃ᨆ䉸䊐䊃䈱 㐿⊒䉇⸘▚ᯏ䈱

⊒ዷ䈮䉋䉍㘧べ⊛䈮 ૐ䉮䉴䊃ൻ䋬⍴ᤨ㑆ൻ 䈏ㅴ䉃

䊶ᢙ୯䉲䊚䊠䊧䊷䉲䊢䊮䈱䉋䈉䈭䊌䊤䊜䊃䊥䉾䉪䈭⎇ⓥ䈏น⢻䈫䈭䉎 䊶㘑ᵢ䈱᳇ᵹ․ᕈ䉇䊉䉡䊊䉡䈭䈬䈱㘑ᵢ䈮㑐䈜䉎ᄙ᭽䈭䉬䊷䉴䈱

䊂䊷䉺䊔䊷䉴䈱⫾Ⓧ

䊶ታ㛎䉕䉰䉟䉪䊦䈮⚵䉂ㄟ䉖䈣ᒻ⁁ᦨㆡൻ䈱น⢻ᕈ䈏⃻ታ⊛䈮䈭䉎 䊶ᢙ୯䉲䊚䊠䊧䊷䉲䊢䊮䈫䈱ㅪ៤䈏ข䉏䈢⎇ⓥ䈏น⢻䈫䈭䉎

㘑ᵢታ㛎䉕㜞ല₸ൻ䈪䈐䉎䈫䊶䊶䊶

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

Pebble-bed Heater

• 2007ᐕ1᦬䈮ㆇ↪㐿ᆎ䇯

•䋱䈧䈱ടᾲེ䈪䋲䈧䈱ㆇォ䊝䊷䊄䋨ᭂ⿥㖸ㅦ㘑ᵢ䋧Ά὾㘑ᵢ䋩

•Ყセ⊛ૐ䈇䉋䈬䉂ὐ࿶( < 1 MPa )

᧲੩ᄢቇᨰ䉨䊞䊮䊌䉴ᭂ⿥㖸ㅦ㜞䉣䊮䉺䊦䊏䊷㘑ᵢ

Vacuum Tank (7m dia.)

High Pressure Reservoir

Compressor

& Vacuum Pump Control Room on 2F

Exhaust and Silencer Tower

Test Section of

Combustion Wind Tunnel

Ά὾㘑ᵢ䈮䈍䈔䉎᳇ᵹ

Nozzle (M7, M8) Test Section of

Hypersonic Wind Tunnel Heat Exchanger

ᭂ⿥㖸ㅦ䈮䈍䈔䉎᳇ᵹ

5

᧲ᄢᨰ ᭂ⿥㖸ㅦ㘑ᵢ䈮䈍䈔䉎⹜䉂

㪿㫋㫋㫇㪑㪆㪆㪻㪸㪼㪻㪸㫃㫌㫊㪅㫂㪅㫌㪄 㫋㫆㫂㫐㫆㪅㪸㪺㪅㫁㫇㪆㫎㫋㪆㫎㫋㪶㫀㫅㪻㪼㫏㪅㪿㫋㫄

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

Hypersonic WT Combustion WT

Mach Number 7, 8 Depend on users

Nozzle Exit 200mm dia.

Uniform Flow Core 120 mm dia. Depend on users Stagnation Pressure Max. 0.95 MPa Max. 0.7 MPa

Stagnation Temperature

Max. 1000 K Max. 1000 degC Unit Reynolds No. 1 ~ 2 X10⁴(1/cm)

䊷

Mass Flow Rate Max. 0.39kg/s Max. 1kg/s Test Duration 60 sec 100 sec (or more)

Reservoir 5MPa(G), 4m³(X1)

Heater Pebble Type + City Gas Burner

Exhaust Vacuum Tank (7m dia.) Open to Atmosphere via Silencer

SPECIFICATIONS SPECIFICATIONS

7

㜞䉣䊮䉺䊦䊏䊷Ά὾㘑ᵢ

High Enthalpy Combustion Wind Tunnel

ᭂ⿥ 㖸ㅦ

㘑ᵢ

Hype rsonicW

ind Tunn

el

Study on Configuration of Hypersonic Vehicles

Study on Propulsion System of Hypersonic Vehicles

Field of Collaboration

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

䋱䋮㘑ᵢታ㛎䈱䊂䊷䉺↢↥ᕈ䈏㜞䈇䈖䈫䇯

㸢᧲ᄢᨰ㘑ᵢ䈲䈖䈱᧦ઙ䉕䉪䊥䉝䈪䈐䈠䈉䇯 䋲䋮ᮨဳ⵾૞䈱㜞ㅦൻ䋨ᤨ㑆䈱ή㚝䉕⋭䈒䋩

㵰䈠䈱႐㵱䈪ᮨဳ䈏૞䉏䈭䈇䈎䇯䇯䇯

⸳⸘䈚䈢ᒻ⁁䊂䊷䉺䉕3DCAD䊂䊷䉺䈪૞ᚑ

CAD

䊂䊷䉺䉕

䊂䊷䉺䈮ᄌ឵䈚䋬䊤䊏䉾䊄 䊒䊨䊃䉺䉟䊒ⵝ⟎䈮಴ജ

㘑ᵢᮨဳ䈱ಾ೥

9

䊶᳇ᵹ䈏ᚑ┙䈚䈩䈎䉌ᮨဳ䉕ᛩ౉䋨኿಴ᛩ౉ᣇᑼ䋩䇯

䊶ᄌⷺⵝ⟎䈮䉋䉍ㅢ㘑ਛ䈮ᆫ൓䉕೙ᓮ(-10㫦ޯ10㫦䋩䇯 ታ㛎⚳ੌᓟ䈲᳇ᵹᄖ䈮ㅌㆱ䇯 䊶૶↪䈪䈐䉎ᮨဳ䉰䉟䉵䈲ᦨᄢ⋥ᓘ䈪4ޯ5cm䇯䋨ᦨᄢ䊑䊨䉾䉬䊷䉳Ყ⚂5%䋩

䊶㐳ᤨ㑆䈱ㆇォ䈏น⢻䋨ᦨᄢ60⑽䋩

䊶Ყセ⊛⍴䈇Ḱ஻ᤨ㑆䋨㔚Ḯ䈎䉌䋳ᤨ㑆⒟ᐲ䈪ㅢ㘑ㆇォ㐿ᆎน⢻䋩

䊶㜞䈇ㆇォ㗫ᐲ䋨䋱ᤨ㑆䈮䋱࿁น⢻䋩 㸢䊌䊤䊜䊃䊥䉾䉪䉴䉺䊂䉞䇮䉮䊮䉶䊒䊃ᬌ⸽

䊶P0䈏ૐ䈇㸢ടᾲ䈏✭䉇䈎㸢ᮨဳ䈱᧚ᢱ䈮ኻ䈜䉎೙⚂䈏✭䉇䈎

Mach 7 Flow

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

଀䋩 㜞 L 䋯 D ᭂ⿥㖸ㅦᯏᒻ⁁䉕᳞䉄䈩 ೨✼ R 䈫 L/D 䈱ਔ┙䋨ᅷද䋩

11

䋪ᾲᄌᒻ᷷ᐲ䈲⚂82ᐲ

䊶ቢᚑᓟ䇮⧯ᐓ䈱ᚻ૞ᬺ䈏ᔅⷐ 䋪೨✼䈱઀਄䈕䇮⠴ᾲኻ╷

䊶⿥ૐ䉮䉴䊃

઀਄䈕䇮䈠䈚䈩

ᭂ⿥㖸ㅦ㘑ᵢታ㛎䈻

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

䈠䈚䈩

ᭂ⿥㖸ㅦ㘑ᵢታ㛎䈻 M=7.0~7.01

P0=0.95MPa T0=540~575K

13

઒ᗐ౞㍙ඨ㗂ⷺ㱔 [deg] 12.39

⊒↢ⴣ᠄ᵄⷺ㱎 [deg] 15.77 ℂ⺰឴᛫Ყ䋨 L/D 䋩

䊙䉾䊊ᢙ

Reᢙ 1.1㬍10⁵

ᯏ૕㐳

ᬌ⸛᧦ઙ

Top Flat Conical-derived Waverider

⸳⸘⚿ᨐ

䈖䈱⚿ᨐ䉕↪䈇䈩◲ᤃᮨဳ૞ᚑᯏ䈪 㘑ᵢታ㛎↪ᮨဳ䉕૞ᚑ

䊶਄㕙䈏 Flat 䈭 Top Conical Waverider 䉕૞ᚑ䈜䉎

䊶Ⓧタ⩄㊀䉕⠨ᘦ䈚䈩ᯏ૕ᓟㇱ䈮

৻ቯ㊂䈱૕Ⓧ䉕᦭䈜䉎ᒻ⁁䈱䉂⸵น

೙⚂᧦ઙ

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

R/L:0 R/L:3.0

R/L:0 R/L:1.0

0.2

㱝/ 㱝

౒䈮ㄫⷺ0[deg]

Base plane

೨✼ㇱෘ䉂ലᨐ䋺 CFD 䈱េ↪䋨ᢿ㕙࿑䋩

Base plane

㪥㪪⸃ᨆ䇮ᩰሶὐᢙ㪐㪈㬍㪈㪈㪈㬍㪏㪈

15

㪄㪉 㪇 㪉 㪋 㪍 㪏

㪄㪋 㪄㪉 㪇 㪉 㪋

㪘㫆㪘㪲㪻㪼㪾㪴

R/L=1%

R/L=0.5% R/L=1%

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

ᐔ㕙䋨䊂䉞䉴䊒䊧䉟䋩䈪⠨䈋䉎䈎䇮┙૕䋨ᮨဳ䋩䈪⠨䈋䉎䈎䇮 䈬䈤䉌䈏䈇䈇䈎䈲ᅢ䉂䈱໧㗴䈎䉅⍮䉏䈭䈇䇯

17

䂓೨✼ R 䈫 L/D 㘑ᵢታ㛎䋺

䉒䈝䈎䈭 R 䈏ᄢ䈐䈭ᕈ⢻ഠൻ䉕

↢䉃䈖䈫䉕り䉕䉅䈦䈩⍮䉎䇯

ᯏ૕䈱቟ో਄䇮 R 䈲⛘ኻᔅⷐ䇯

R 䈪ᄬ䈦䈢 L/D 䉕ข䉍㄰䈜ᣇᴺ䈲

䈭䈇䉅䈱䈎䇯䇯䇯䇯䇯

᧲੩ᄢቇᄢቇ㒮 ᣂ㗔ၞഃᚑ⑼ቇ⎇ⓥ⑼ ၮ⋚⑼ቇ⎇ⓥ♽

వ┵䉣䊈䊦䉩䊷Ꮏቇኾ᡹

ᮨဳ⵾૞䋱ᤨ㑆䋫ታ㛎䋱ᤨ㑆䈮⍴❗䈪䈐䉏䈳䇯䇯䇯 䋱ᒻ⁁䋲ᤨ㑆㸢䋱ᣣᢙᒻ⁁䉕䊃䊤䉟

㘑ᵢታ㛎䉕䉸䊦䊋䊷䈮䈚䈢ᯏ૕ᒻ⁁ᦨㆡൻ䈏น⢻䈮 䈭䉎䈎䉅⍮䉏䈭䈇䇯䇯䇯䇯

╙n਎ઍ

╙

਎ઍ

╙n-1਎ઍ

ᒻ⁁䈱ᵞ✵

䊶䊶䊶䊶䊶

19

หᤨ䉴䉺䊷䊃䇮หᤨ⚳ੌ䈏ᦸ䉁䈚䈇䇯

䊶䊤䊏䉾䊄䊒䊨䊃䉺䉟䊏䊮䉫䈮䉋䉎㘑ᵢታ㛎䊃䊷䉺䊦ᤨ㑆䈱೥ᷫ䇯

㘑ᵢ CFD

ᒻ⁁⸳⸘ 䋱ᤨ㑆 ᒻ⁁⸳⸘ 䋱ᤨ㑆

ᮨဳ⵾૞ * 䋴ᤨ㑆 ᩰሶ૞ᚑ 5~10 ᤨ㑆

ታ㛎Ḱ஻ 䋲ᤨ㑆 ⸘▚ 10~20 ᤨ㑆 **

ታ㛎䋧 QL 䋱ᤨ㑆 QL& ᓟಣℂ ޯ

ว⸘ 䋸ᤨ㑆 ว⸘ 15~30 ᤨ㑆

* 㕙ടᎿ䈱䉂䈱ᒻ⁁䈱႐ว

**Mac Pro 2X3GHz Quad-Core Xeon 4GB, 2䉮䉝૶↪