㏆ഐሙᐇド䛻㛵䛩䜛ᐇ㦂ⓗ◊✲

1

ప䝋䝙䝑䜽䝤䞊䝮タィᢏ⾡䛾

㏆ഐሙᐇド䛻㛵䛩䜛ᐇ㦂ⓗ◊✲

䠄䛭䛾䠎䠅

ྡྂᒇ኱Ꮫ኱Ꮫ㝔ᕤᏛ◊✲⛉⯟✵ᏱᐂᕤᏛᑓᨷ బ᐀ ❶ᘯ

䠄௦⌮ሗ࿌䠖 㕥ᮌ ゅᰤ䠄 M1 䠅䠅

APGබເᆺ◊✲ሗ࿌఍

2010/11/26 @JAXA ㄪᕸ⯟✵Ᏹᐂ䝉䞁䝍䞊

2

◊✲┠ⓗ䞉ᴫせ

ᮏ◊✲䛿䚸Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ ⯟✵䝥䝻 䜾䝷䝮䜾䝹䞊䝥䛜㐍䜑䛶䛔䜛㟼⢔㉸㡢㏿ᶵᢏ⾡

䛾◊✲㛤Ⓨ䛷ᚲせ䛸䛺䜛䚸ప䝋䝙䝑䜽䝤䞊䝮タィ ᢏ⾡䜢ᶵయ㏆ഐሙ䛻䛚䛔䛶ᐇド䛩䜛䛯䜑䛾ᐇ㦂 䝅䝇䝔䝮䛾⋓ᚓ䚸ཬ䜃㏆ഐሙᅽຊἼᙧ᥎⟬ᢏ⾡

᳨ド䛾䛯䜑䛾ᐇ㦂䝕䞊䝍ྲྀᚓ䜢┠ⓗ䛸䛧䚸䝞䝸䝇

䝔䜱䝑䜽䝺䞁䝆䜢⏝䛔䛯⮬⏤㣕⾜య㏆ഐሙ䛾ᅽ

ຊἼᙧィ ᢏ⾡䛾◊✲䜢⾜䛖䚹

3

◊✲㡯┠

䠍 . ㏆ഐᅽຊሙィ ἲ᳨ド

⮬⏤㣕⾜䛩䜛㣕⾜య䛻ᑐ䛧䚸㏆ഐሙከⅬ䛾ᅽຊᒚṔ䜢 2μs ௨

ୗ䛾᫬㛫ゎീ䛻䛶ィ 䚹

䠎 . ㍈ᑐ⛠≀య䛻䜘䜛㏆ഐሙᅽຊ䝕䞊䝍䛾ྲྀᚓ

㧗㏿ᗘ䜹䝯䝷䜢⏝䛔䛯䝣䝺䞊䝭䞁䜾䝅䝳䝸䞊䝺䞁ྍど໬ィ 䛚䜘 䜃ᅽຊィ 䜢⾜䛖䚹

䠏 . ୕ḟඖ≀య䝃䝪ศ㞳ἲ䛾☜❧

▴ᙧ᩿㠃䝞䝸䝇䝔䜱䝑䜽䝺䞁䝆䛻䜘䜛 D-SEND#1 㣕⾜య䝰䝕䝹 䛺䛹䜢ᑕฟ䛩䜛䛯䜑䛾䝃䝪䜢タィ䛧䚸䛭䛾ศ㞳ἲ䜢☜❧䛩䜛䚹 䠐 . ୕ḟඖ⩼⬗≀య䛻䜘䜛㏆ഐሙᅽຊ䝕䞊䝍䛾ྲྀᚓ

≉䛻䚸ᖹᡂ䠎䠏ᖺᗘ䛻ィ⏬䛥䜜䛶䛔䜛 D-SEND#1 䠄䝣䜱䞁䜢ྵ䜑 䜜䜀୕ḟඖᙧ≧䠅䛾㣕⾜䝰䝕䝹䛻䛴䛔䛶䚸⮬⏤㣕⾜≧ែ䛻䛚䛡 䜛㏆ഐሙᅽຊἼᙧィ 䚸㧗㏿ᗘ䜹䝯䝷䜢⏝䛔䛯䝣䝺䞊䝭䞁䜾䝅䝳 䝸䞊䝺䞁ྍど໬ィ 䜢⾜䛖䚹

4

ṇ᪉ᙧ᩿㠃䝞䝸䝇䝔䜱䝑䜽䝺䞁䝆

Pressure transducer

ຍ㏿⟶᩿㠃ᅗ

Driver gas He

Driver Pressure 1.5~9.9MPa Test section gas Air

Test section

pressure 10䡚60kPa

Flight Mach number ~2.2

సື᮲௳

䞉ຍ㏿⟶

䕕25㽢25mm䛾ṇ᪉ᙧ᩿㠃䛿3ḟඖᶍ ᆺᑕฟ᫬䛻ᶍᆺ䛾䝻䞊䝹ᅇ㌿䜢㜵䛠䚹

䞉᤼Ẽ㒊

⟶ෆ䜢ඛ⾜䛩䜛⾪ᧁἼ䜢⟶እ䛻

᤼Ẽ䛩䜛䛣䛸䛷䚸䛭䜜䛜ィ 䛻 ཬ䜌䛩ᙳ㡪䜢ῶ䜙䛩䚹

ḟ䛾䝇䝷䜲䝗

ᨵಟ῭

5

ヨ㦂㒊 (test chamber) 䛻䛚䛡䜛 ᐃ

Baffle

Catcher

㏆ഐሙᅽຊィ 䠄 6 䞄ᡤ䠅

PCB H112A21

-❧䛱ୖ䛜䜚᫬㛫<2Ps -ඹ᣺࿘Ἴᩘ>250kHz Launch

tube

㣕⾜䝬䝑䝝ᩘィ 

time of flight ἲ

ὶ䜜ሙ䛾ྍど໬ ( 䝅䝳䝸䞊䝺䞁ἲ )

SHIMADZU HPV-1 -125kfps

-100 frames 100mm

1500mm

Flight path 150mm

䝃䝪ศ㞳⏝⾪✺ᶵᵓ 䠄〇స୰䠅

Muzzle

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䛣䜜䜎䛷䛾ᡂᯝ

• ༢⣧㍈ᑐ⛠≀య䛻ᑐ䛧䛶ᐇ㦂䜢⾜䛔䚸䛭䛾

ᚋὶ䜢ྵ䜣䛰㏆ഐሙᅽຊ䛾 ᐃ䛸ᙧ≧ຠᯝ

䜢᳨ド䛧䛯䚹

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䝤䝷䝣䝰䝕䝹ᐇ㦂᮲௳䠃ᶍᆺᙧ≧

1. 㣕⾜䝬䝑䝝ᩘ : M=1.70 㼼 0.05

2. ヨ㦂㒊 (test chamber) 㞺ᅖẼᅽ : 50kPa( ✵Ẽ )

3. ᶍᆺᙧ≧

4

~z3

r

(෇㗹)

r

z

๓ ᚋ ᑐ

⛠ 吹 吞 呂

吭 呀 听 吹 吞 呂

r

z

r

z

r

z

Flight direction

0

Overpressure

Time 0

Overpressure

Time ༢఩:mm

ᅽ ຊ

᫬ 㛫 ᒚ Ṕ

z ^{3/4 䝰䝕䝹} r ~ z ^{෇㗹䝰䝕䝹}

4

~ z 3

r

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ඛ➃䝤䞊䝮䛻䛚䛡䜛ᶍᆺඛ㢌ᙧ≧ຠᯝ

Cone model M=1.68

z

model M=1.64

ඛ➃䝢䞊䜽䛾ホ౯

z^3/4

M

' P (kPa)

Time, t

' P

(kPa)

㏆ഐሙᅽຊ᫬㛫ᒚṔ

front

' P

30%

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ᮏᖺᗘ䛾⿦⨨ᨵಟ䞉〇స୍ぴ

1. 㧗ᅽ㥑ື⟶䛾ᙉ໬䠄タィᅽຊ 9.9MPa 䠅䛆῭䛇

䠉タィ䛾⮬⏤ᗘ䜢ୖ䛢䜛

2. 䝃䝪ศ㞳ἲ䛾ኚ᭦䛻క䛖⾪✺ᶵᵓ䛾㛤Ⓨ䛆

〇స୰䛇

䠉ᶍᆺ䛾ᑕฟᛶ⬟䛾ྥୖ

3. ㏆ഐሙከⅬᅽຊ ᐃ䜢⾜䛖ᅽຊ䝉䞁䝃䞊ಖ ᣢල䛾㛤Ⓨ䛆῭䛇

䠉㣕⾜㌶㊧䞉ጼໃ䛾᳨ド

䠉㠀㍈ᑐ⛠ᶍᆺ䛻䜘䜛ᅽຊሙ䜈䛾ᑐᛂ

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1. 㧗ᅽ㥑ື䜺䝇䝏䝱䞁䝞䞊

• 䜘䜚㧗䛔㥑ືᅽ䛷䛾ᐇ㦂䛾䛯䜑䛻䚸ᮏᖺᗘ㧗ᅽ䝏 䝱䞁䝞䞊䛾ᨵಟ䜢⾜䛔䚸㥑ືᅽ䛾ୖ㝈䛜 9.9MPa 䛻 ቑຍ䛧䛯䚹

– 䜘䜚㔜䛔䝥䝻䝆䜵䜽䝍䜲䝹䜢䛣䜜䜎䛷䛾䝬䝑䝝ᩘ䛷 ᐇ㦂䛩䜛䛣䛸䛜ྍ⬟䛻䛺䜚䚸ヲ⣽䛺䝇䜿䞊䝹䝰䝕 䝹䛺䛹䚸䝥䝻䝆䜵䜽䝍䜲䝹タィ䛾ᖜ䛜ᗈ䛜䛳䛯䚹

Piston

Sabot

Exhaust

Launch

㥑ື䜺䝇ὶධ䛾ཎ⌮ᅗ

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2. ᪂䛧䛔䝃䝪ศ㞳ἲ䛾㛤Ⓨ

• 䛣䜜䜎䛷䛾✵ẼຊᏛⓗ䝃䝪ศ㞳ἲ䛷䛿ᑕฟ

᫬䛻ᶍᆺ䛾ጼໃ䛜Ᏻᐃ䛧䛶䛔䛺䛛䛳䛯䚹

✀㢮 ⏬ീ 㼼 1 㼻௨ෆ䛾 ᑕฟ๭ྜ

䝃䝪ᨭᣢᆺ 14/38 37%

⟶ᨭᣢᆺ 10/16

63%

䝬䝈䝹㒊ศ䛾ᑕฟ᫬䛾ື⏬

12

✵ẼຊᏛⓗ䝃䝪ศ㞳 ~ ᚑ᮶ᆺ

1

2 3

Ventilation section Separation section

Ventilation hole Pressure transducer

䠄x=0.2m

4 5

Acceleration section

Pressure history in Acceleration section

1 2

Pressure history in separation section

3

4

5

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᪂䝃䝪ศ㞳ἲ䠖஧ศ๭䝃䝪᪉ᘧ

• 䝃䝪䜢䠎䛴䛾䝟䞊䝒䛻ศ㞳䠖

– 䝅䞊䝹⏝䠄ᚋ㒊䠅䠖᥎ຊಖᣢ䛚䜘䜃㥑ື䜺䝇䛾䝅䞊䝹 – ጼໃಖᣢ⏝䠄๓㒊䠅䠖ຍ㏿⟶ෆ䛷䛾ጼໃ䛾ಖᣢ

ጼໃಖᣢ⏝䝃䝪䛾䜏䜢䝬䝈䝹௜㏆䛻㓄⨨䛧䛯⾪✺ᶵ ᵓෆ䛾㕲ᯈ䛸⾪✺䛥䛫䚸䝥䝻䝆䜵䜽䝍䜲䝹䛸ศ㞳䛥䛫䜛䚹

䝅䞊䝹⏝䝃䝪 ጼໃಖᣢ⏝䝃䝪 䝥䝻䝆䜵䜽䝍䜲䝹(NWM)

ຍ㏿⟶タ⨨᫬

ഃ㠃ᅗ ṇ㠃ᅗ

25mm

25mm 90mm

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䝃䝪⾪✺ศ㞳ᶵᵓ

• 䝃䝪⾪✺䛻䜘䜛⾪ᧁ䛿䝇䝖䝑䝟䞊๓ᚋ䛻㓄⨨

䛥䜜䛯䝇䝫䞁䝆䛸䚸඲య䜢ྍືᘧ䛻䛩䜛䛣䛸䛻 䜘䜚྾཰䛧䚸ィ 䜈䛾ᙳ㡪䜢ῶ䜙䛩䚹

Projectile Sabot

Damper Sponge

⾪✺㒊ศ඲య䛿ྍື

䝃䝪䝇䝖䝑䝟䞊䛿ྍື

ventilation

Muzzle

15

D-SEND#1 䝇䜿䞊䝹䝰䝕䝹

• NWM䝰䝕䝹䛸LBM䝰䝕䝹䛿ⴠୗ䝔䝇䝖䝰䝕䝹䜢䝇䜿 䞊䝹䝎䜴䞁䛧䚸䜋䜌ᛅᐇ䛻స䜙䜜䛶䛔䜛䚹

• ᑕฟ䝰䝕䝹

ᮦᩱ䠖 AL7075 䝇䜿䞊䝹䠖⣙ 1/63 タィ䝬䝑䝝ᩘ䠖 1.4 䝣䜱䞁ཌ䛥䠖 0.8mm

( 䝇䜿䞊䝹㏻䜚䛷䛿 0.4mm)

NWM(ୖ)䛸LBM(ୗ)䛾ᑍἲ䛸ᑕฟ䝰䝕䝹䛾෗┿

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3. ㏆ഐሙᅽຊ 6 Ⅼྠ᫬ ᐃ

• 㠀ᑐ⛠ὶ䜜ሙ䛻ᑐᛂ

– 㠀㍈ୖ䛾㣕⾜⤒㊰

– 㠀ᑐ⛠㣕⾜య

Flight path

㍈ᑐ⛠఩⨨䛻4䛴䛾䝉䞁䝃䞊䜢㓄⨨

ୖୗ䛻䛿㣕⾜᪉ྥ䛻䜒䝉䞁䝃䞊䜢㓄⨨

150mm 䝅䝳䝸䞊䝺䞁ἲ䛻䜘䜛ྍど໬⠊ᅖ

ᅽຊ䝉䞁䝃䝬䜴䞁䝖

6-6-䝘䜲䝻䞁〇

ヨ㦂䝏䝱䞁䝞䞊ᚋ᪉䛛䜙䛾෗┿

17

௒ᚋ䛾ணᐃ

1. ⾪✺ᶵᵓ䛾〇స䛸ศ㞳ᛶ⬟ヨ㦂

2. D-SEND#1 䛾ᑕฟ᫬䛾ᅇ㌿᪉ྥ䛾ྥ䛝䜢 ㄪᩚ䛩䜛䝃䝪䛾タィ䞉〇స

3. D-SEND#1 䛾䝇䜿䞊䝹䝰䝕䝹䛾ᑕฟᐇ㦂

ṇ㠃ᅗ ṇ㠃ᅗ