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๊ฒ€์ฆ๋œ ํŒŒํŠธ๋„ˆ ์ œํœด์‚ฌ ์ž๋ฃŒ

๋™์ถ• ์™ฟ’๋ฅ˜ํ˜• ๋ถ„์‚ฌ๊ธฐ์˜ ์—ฐ์†Œ์•ˆ์ •์„ฑ์— ๋Œ€ํ•œ ๋ถ„์‚ฌ๊ธฐ ๋ฆฌ์„ธ์Šค ๋ฐ ์—ฐ์†Œ์‹ค ๊ธธ์ด์˜ ์˜ํ–ฅ (Effects of Injector Recess and Combustion Chamber Length on Combustion Stability of Swirl Coaxial Injectors)

10 ํŽ˜์ด์งฟ’
๊ธฐํƒ€ํŒŒ์ผ
์ตœ์ดˆ๋“ฑ๋ก์ผ 2025.06.01 ์ตœ์ข…์ ฟ’์ž‘์ผ 2020.02
10P ๋ฏธ๋้ฉ๋ณด๊ธฐ
๋™์ถ• ์™ฟ’๋ฅ˜ํ˜• ๋ถ„์‚ฌ๊ธฐ์˜ ์—ฐ์†Œ์•ˆ์ •์„ฑ์— ๋Œ€ํ•œ ๋ถ„์‚ฌ๊ธฐ ๋ฆฌ์„ธ์Šค ๋ฐ ์—ฐ์†Œ์‹ค ๊ธธ์ด์˜ ์˜ํ–ฅ
  • ๋ฏธ๋้ฉ๋ณด๊ธฐ

    ์„œ์่ง์ •๋ต–

    ยท ๋ฐœํ–‰๊ธฐ๊ด€ : ํ•œ๊ตญ์ถ”์ง„๊ณตํ•™ํšŒ
    ยท ์ˆ˜๋ก์ง€ ์ •๋ณด : ํ•œ๊ตญ์ถ”์ง„๊ณตํ•™ํšŒ์ง€ / 24๊ถŒ / 1ํ˜ธ / 24 ~ 33ํŽ˜์ด์งฟ’
    ยท ์ €์ž๋ช… : ๋ฐ•์ˆ˜์ง„, ํ™ฉ๋™ํ˜„, ์•ˆ๊ทœ๋ณต, ์œค์˜๋นˆ

    ์ดˆ๋ก

    ๋ณธ ์—ฐ๊ตฌ์—์„œ๋Š” ์•ก์ฒด๋กœ์ผ“์—”์ง„์šฉ ๋™์ถ• ์™ฟ’๋ฅ˜ํ˜• ๋ถ„์‚ฌ๊ธฐ์˜ ์—ฐ์†Œ๋ถˆ์•ˆ์ • ํŠน์„ฑ์„ ํŒŒ์•…ํ•˜๊ธฐ ์œ„ํ•ด ๊ธฐ์ฒด ์ถ”์ง„์ œ๋ฅผ ์ด์šฉํ•œ ๋ชจ๋ธ ์—ฐ์†Œ์‹คํ—˜์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์—ฐ์†Œ์‹ค ๊ณต์ง„ ์ฃผํŒŒ์ˆ˜์™ฟ’ ๋ถ„์‚ฌ๊ธฐ ํ˜ผํ•ฉ์กฐ๊ฑด์˜ ์˜ํ–ฅ์„ ์•Œ์•„๋ณด๊ณ ์ž, ์—ฐ์†Œ์‹ค ๊ธธ์ด, ๋ถ„์‚ฌ๊ธฐ, ๋ฆฌ์„ธ์Šค ๊ธธ์ด, ์ถ”์ง„์ œ ํ˜ผํ•ฉ๋น„๋ฅผ ๋ณ€๊ฒฝํ•˜๋ฉด์„œ ์—ฐ์†Œ์‹ค ์••๋ ฅ์„ญ๋™์„ ์ธก์ •ํ•˜์˜€๋‹ค. ์‹คํ—˜ ๊ฒฐ๊ณผ, ๊ฐ ์‹คํ—˜์กฐ๊ฑด์— ๋”ฐ๋ฅธ ์••๋ ฅ์„ญ๋™ ๋ณ€ํ™”๋ฅผ ํ™•์ธํ•˜์˜€์œผ๋ฉฐ ์•ˆ์ •์„ฑ ๋งคํ•‘์„ ํ†ตํ•ด ์—ฐ์†Œ์•ˆ์ •์„ฑ์„ ํ‰๊ฐ€ํ•˜์˜€๋‹ค. ๊ทธ๋ฆฌ๊ณ  ์—ฐ์†Œ์‹ค ๊ธธ์ด์™ฟ’ ๋ฆฌ์„ธ์Šค ๊ธธ์ด ๋ณ€ํ™”์— ๋”ฐ๋ผ ์ข…๋ฐฉํ–ฅ ๋ชจ๋“œ ๋ฐ ์ผˆ๋นˆ-ํ—ฌ๋ฆ„ํ™€์ธ  ๋ถˆ์•ˆ์ •์ด๋ฐœ์ƒํ•จ์„ ๋ฐœ๊ฒฌํ•˜์˜€๋‹ค.

    ์˜์–ด์ดˆ๋ก

    In this study, model combustion tests were conducted to investigate the combustion instability characteristics of swirl coaxial injectors for a liquid rocket engine. To examine the effects of the combustion chamber resonant frequency and the injector mixing conditions, pressure fluctuations in the combustion chamber were measured by changing the combustion chamber length, injector recess length, and propellant mixture ratio. From the test results, the variation in the pressure fluctuations for each experimental condition was confirmed and the combustion stability was evaluated by stability mapping. It was found that the longitudinal mode and Kelvin-Helmholtz instabilities occurred due to the change in the combustion chamber and recess lengths.

    ์ฐธ๊ณ ์ž๋ฃŒ

    ยท ์—†์Œ
  • ์ž์ฃผ๋ฌป๋Š”์งˆ๋ๅฉ์˜ ๋‹ต๋ณ€์„ ํ™•์ธํ•ด ์ฃผ์„ธ์š”

    ํ•ดํ”ผ์บ ํผ์Šค FAQ ๋”๋ณด๊ธฐ

    ๊ผญ ์•Œ์•„์ฃผ์„ธ์š”

    • ์ž๋ฃŒ์˜ ์ •๋ณด ๋ฐ ๋‚ด์šฉ์˜ ์ง„์‹ค์„ฑ์— ๋Œ€ํ•˜์—ฌ ํ•ดํ”ผ์บ ํผ์Šค๋Š” ๋ณด์ฆํ•˜์ง€ ์•Š์œผ๋ฉฐ, ํ•ด๋‹น ์ •๋ณด ๋ฐ ๊ฒŒ์‹œ๋ฌผ ์ €์ž‘๊ถŒ๊ณผ ๊ธฐํƒ€ ๋ฒ•์  ์ฑ…์ž„์€ ์ž๋ฃŒ ๋“ฑ๋ก์ž์—๊ฒŒ ์žˆ์Šต๋‹ˆ๋‹ค.
      ์ž๋ฃŒ ๋ฐ ๊ฒŒ์‹œ๋ฌผ ๋‚ด์šฉ์˜ ๋ถˆ๋ฒ•์  ์ด์šฉ, ๋ฌด๋‹จ ์ „์žฌโˆ™๋ฐฐํฌ๋Š” ๊ธˆ์ง€๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.
      ์ €์ž‘๊ถŒ์นจํ•ด, ๋ช…์˜ˆํ›ผ์† ๋“ฑ ๋ถ„์Ÿ ์š”์†Œ ๋ฐœ๊ฒฌ ์‹œ ๊ณ ๊ฐ๋น„๋ฐ”์นด์ง€๋…ธ Viva์˜ ์ €์ž‘๊ถŒ์นจํ•ด ์‹ ๊ณ ๋น„๋ฐ”์นด์ง€๋…ธ Viva๋ฅผ ์ด์šฉํ•ด ์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
    • ํ•ดํ”ผ์บ ํผ์Šค๋Š” ๊ตฌ๋งค์ž์™ฟ’ ํŒ๋งค์ž ๋ชจ๋‘๊ฐ€ ๋งŒ์กฑํ•˜๋Š” ์„œ๋น„์Šค๊ฐ€ ๋˜๋„๋ก ๋…ธ๋ ฅํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์•„๋ž˜์˜ 4๊ฐ€์ง€ ์ž๋ฃŒํ™˜๋ถˆ ์กฐ๊ฑด์„ ๊ผญ ํ™•์ธํ•ด์ฃผ์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค.
      ํŒŒ์ผ์˜ค๋ฅ˜ ์ค‘๋ณต์ž๋ฃŒ ์ €์ž‘๊ถŒ ์—†์Œ ์„ค๋ช…๊ณผ ์‹ค์ œ ๋‚ด์šฉ ๋ถˆ์ผ์น˜
      ํŒŒ์ผ์˜ ๋‹ค์šด๋กœ๋“œ๊ฐ€ ์ œ๋Œ€๋กœ ๋˜์ง€ ์•Š๊ฑฐ๋‚˜ ํŒŒ์ผํ˜•์‹์— ๋งž๋Š” ํ”„๋กœ๊ทธ๋žจ์œผ๋กœ ์ •์ƒ ์ž‘๋™ํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ ๋‹ค๋ฅธ ์ž๋ฃŒ์™ฟ’ 70% ์ด์ƒ ๋‚ด์šฉ์ด ์ผ์น˜ํ•˜๋Š” ๊ฒฝ์šฐ (์ค‘๋ณต์ž„์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋Š” ๊ทผ๊ฑฐ ํ•„์š”ํ•จ) ์ธํ„ฐ๋„ท์˜ ๋‹ค๋ฅธ ์‚ฌ์ดํŠธ, ์—ฐ๊ตฌ๊ธฐ๊ด€, ํ•™๊ป“, ์„œ์  ๋“ฑ์˜ ์ž๋ฃŒ๋ฅผ ๋„์šฉํ•œ ๊ฒฝ์šฐ ์ž๋ฃŒ์˜ ์„ค๋ช…๊ณผ ์‹ค์ œ ์ž๋ฃŒ์˜ ๋‚ด์šฉ์ด ์ผ์น˜ํ•˜์ง€ ์•Š๋Š” ๊ฒฝ์šฐ

โ€œํ•œ๊ตญ์ถ”์ง„๊ณตํ•™ํšŒ์งฟ’โ€์˜ ๋‹ค๋ฅธ ๋…ผ๋ๅฉ๋„ ํ™•์ธํ•ด ๋ณด์„ธ์š”!

๋ฌธ์„œ ์ดˆ์•ˆ์„ ์ƒ์„ฑํ•ด์ฃผ๋Š” EasyAI
์•ˆ๋…•ํ•˜์„ธ์š”. ํ•ดํ”ผ์บ ํผ์Šค์˜ ๋ฐฉ๋Œ€ํ•œ ์ž๋ฃŒ ์ค‘์—์„œ ์„ ๋ณ„ํ•˜์—ฌ ๋‹น์‹ ๋งŒ์˜ ์ดˆ์•ˆ์„ ๋งŒ๋“ค์–ด์ฃผ๋Š” EasyAI ์ž…๋‹ˆ๋‹ค.
์ €๋Š” ์•„๋ž˜์™ฟ’ ๊ฐ™์ด ์ž‘์—…์„ ๋„์™ฟ’๋“œ๋ฆฝ๋‹ˆ๋‹ค.
- ์ฃผ์ œ๋งŒ ์ž…๋ ฅํ•˜๋ฉด ๋ชฉ์ฐจ๋ถ€ํ„ฐ ๋ณธ๋ฌธ๋‚ด์šฉ๊นŒ์ง€ ์ž๋™ ์ƒ์„ฑํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค.
- ์žฅ๋ฌธ์˜ ์ฝ˜ํ…์ธ ๋ฅผ ์‰ฝ๊ณ  ๋น ๋ฅด๊ฒŒ ์ž‘์„ฑํ•ด ๋“œ๋ฆฝ๋‹ˆ๋‹ค.
- ์Šคํ† ์–ด์—์„œ ๋ฌด๋ฃŒ ์บ์‹œ๋ฅผ ๊ณ„์ •๋ณ„๋กœ 1ํšŒ ๋ฐœ๊ธ‰ ๋ฐ›์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ง€๊ธˆ ๋ฐ”๋กœ ์ฒดํ—˜ํ•ด ๋ณด์„ธ์š”!
์ด๋Ÿฐ ์ฃผ์ œ๋“ค์„ ์ž…๋ ฅํ•ด ๋ณด์„ธ์š”.
- ์œ ์•„์—๊ฒŒ ์ ํ•ฉํ•œ ๋ฌธํ•™์ž‘ํ’ˆ์˜ ๊ธฐ์ค€๊ณผ ํŠน์„ฑ
- ํ•œ๊ตญ์ธ์˜ ๊ฐ€์น˜๊ด€ ์ค‘์—์„œ ์ •์‹ ์  ๊ฐ€์น˜๊ด€์„ ์ด๋ฃจ๋Š” ๊ฒƒ๋“ค์„ ๋ฌธํ™”์  ๋ฌธ๋ฒ•์œผ๋กœ ์ •๋ฆฌํ•˜๊ณ , ํ˜„๋Œ€ํ•œ๊ตญ์‚ฌํšŒ์—์„œ ์ผ์–ด๋‚˜๋Š” ์‚ฌ๊ฑด๊ณผ ์‚ฌ๊ณ ๋ฅผ ๋น„๊ตํ•˜์—ฌ ์ž์‹ ์˜ ์˜๊ฒฌ์œผ๋กœ ๊ธฐ์ˆ ํ•˜์„ธ์š”
- ์ž‘๋ณ„์ธ์‚ฌ ๋…ํ›„๊ฐ
ํ•ด์บ  AI ์ฑ—๋ด‡๊ณผ ๋Œ€ํ™”ํ•˜๊ธฐ
์ฑ—๋ด‡์œผ๋กœ ๊ฐ„ํŽธํ•˜๊ฒŒ ์ƒ๋‹ดํ•ด๋ณด์„ธ์š”.
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AI ์ฑ—๋ด‡
์•ˆ๋…•ํ•˜์„ธ์š”. ํ•ดํ”ผ์บ ํผ์Šค AI ์ฑ—๋ด‡์ž…๋‹ˆ๋‹ค. ๋ฌด์—‡์ด ๊ถ๊ธˆํ•˜์‹ ๊ฐ€์š”?
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