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Mobile QR Code QR CODE : Korean Journal of Air-Conditioning and Refrigeration Engineering

  1. ๊ณผํ•™๊ธฐ์ˆ ์—ฐํ•ฉ๋Œ€ํ•™์›๋Œ€ํ•™๊ต ๊ฑด์„คํ™˜๊ฒฝ๊ณตํ•™, ๋ฐ•์‚ฌ๊ณผ์ •/ํ•œ๊ตญ๊ฑด์„ค๊ธฐ์ˆ ์—ฐ๊ตฌ์› ํ•™์ƒ์—ฐ๊ตฌ์› ( Ph.D. Course, Civil & Environmental Engineering, University of Science Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea/Student Researcher, Korea Institute of Civil Engineering and Building Technology, 2311, Daehwa-dong, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10233, Republic of Korea )
  2. ๊ณผํ•™๊ธฐ์ˆ ์—ฐํ•ฉ๋Œ€ํ•™์›๋Œ€ํ•™๊ต ๊ฑด์„คํ™˜๊ฒฝ๊ณตํ•™, ๊ต์ˆ˜/ํ•œ๊ตญ๊ฑด์„ค๊ธฐ์ˆ ์—ฐ๊ตฌ์› ์—ฐ๊ตฌ์œ„์› ( Professor, Civil & Environmental Engineering, University of Science Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea/Research Fellow, Korea Institute of Civil Engineering and Building Technology, 2311, Daehwa-dong, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10233, Republic of Korea )
  3. ํ•œ๊ตญ๊ฑด์„ค๊ธฐ์ˆ ์—ฐ๊ตฌ์› ๋ฐ•์‚ฌํ›„์—ฐ๊ตฌ์› ( Postdoctoral Researcher, Korea Institute of Civil Engineering and Building Technology, 2311, Daehwa-dong, Ilsanseo-gu, Goyang-si, Gyeonggi-do, 10233, Republic of Korea )



Design standard for preventing condensation in apartment buildings(๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€ ์„ค๊ณ„๊ธฐ์ค€), Low-emittance coatings(๋กœ์ด์ฝ”ํŒ…), Double glazing window(์ด์ค‘์ฐฝ), Temperature difference ratio(์˜จ๋„์ฐจ์ด๋น„์œจ)

1. ์—ฐ๊ตฌ๋ฐฐ๊ฒฝ ๋ฐ ๋ชฉ์ 

2020๋…„๋ถ€ํ„ฐ 1,000 ใŽก ์ด์ƒ ๊ณต๊ณต๊ธฐ๊ด€์„ ๋Œ€์ƒ์œผ๋กœ ์ œ๋กœ์—๋„ˆ์ง€ ๊ฑด์ถ•๋ฌผ ์ธ์ฆ ๋“ฑ๊ธ‰ ํš๋“์ด ์˜๋ฌดํ™”๋˜๋ฉด์„œ ๊ณ ํšจ์œจ ๊ฑด์ถ•์— ๋Œ€ํ•œ ์ˆ˜์š”๊ฐ€ ๋†’์•„์ง€๊ณ  ์žˆ๋‹ค. ์ฐฝํ˜ธ๋Š” ๊ฑด๋ฌผ์—์„œ ์—ด์†์‹ค์ด ๋ฐœ์ƒํ•˜๋Š” ๋Œ€ํ‘œ์ ์ธ ๋ถ€์œ„๋กœ ๋ฒฝ์ฒด๋‚˜ ์ง€๋ถ• ๋“ฑ์— ๋น„ํ•ด ๋‹จ์—ด์„ฑ๋Šฅ์ด ๋‚ฎ์€ ๊ฒฝ์šฐ๊ฐ€ ๋งŽ์•„ ๊ฑด๋ฌผ ์—๋„ˆ์ง€ ์†์‹ค์˜ ์ฃผ์š” ์›์ธ์ด ๋˜๊ณ  ์žˆ๋‹ค. ์ฐฝํ˜ธ์˜ ๋‹จ์—ด์„ฑ๋Šฅ์ด ์ทจ์•ฝํ•œ ๊ฒฝ์šฐ ๊ฒฐ๋กœ ๋ฐœ์ƒ์œผ๋กœ ์ธํ•˜์—ฌ ๋งˆ๊ฐ์žฌ ํ›ผ์†, ๊ณฐํŒก์ด ๋“ฑ ๊ฑฐ์ฃผ์ž์˜ ์ฃผ๊ฑฐํ™˜๊ฒฝ์— ํ”ผํ•ด๋ฅผ ์ž…ํž ์ˆ˜ ์žˆ๋‹ค.(1) ์ด์— ๊ตญํ† ๋ถ€ ์—์„œ๋Š” ๊ฒฐ๋กœํ•˜์ž ๋ฐœ์ƒ๊ณผ ๋ถ„์Ÿ์„ ์กฐ์ •ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ 2014๋…„ 5์›” 7์ผ๋ถ€ํ„ฐ 500์„ธ๋Œ€ ์ด์ƒ ๊ณต๋™์ฃผํƒ์— ๋Œ€ํ•ด โ€˜๊ณต๋™ ์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„๊ธฐ์ค€โ€™(2)์„ ๋„์ž…ํ•˜์—ฌ ์šด์˜ ์ค‘์— ์žˆ๋‹ค.

๊ฒฐ๋กœ๋Š” ๋‚ดโ€ค์™ธ๋ถ€์˜ ๊ณต๊ธฐ๊ฐ€ ์ˆœํ™˜ํ•จ์— ๋”ฐ๋ผ ์ž์—ฐ์Šค๋Ÿฝ๊ฒŒ ๋ฐœ์ƒํ•˜๋Š”๋ฐ, ํŠนํžˆ ๊ฒจ์šธ์ฒ ์— ์‹ค๋‚ดโ€ค์™ธ ์˜จ๋„์ฐจ๊ฐ€ ์ปค์ง์— ๋”ฐ๋ผ ๊ฒฐ๋กœ๊ฐ€ ์ž์ฃผ ๋ฐœ์ƒ๋œ๋‹ค. ๊ณต๋™์ฃผํƒ์—์„œ ๊ฐ€์žฅ ์ผ๋ฐ˜์ ์œผ๋กœ ์ ์šฉ๋˜๊ณ  ์žˆ๋Š” ๋ณต์ธต์œ ๋ฆฌ ์ด์ค‘์ฐฝ์˜ ๊ฒฝ์šฐ ์œ ๋ฆฌํ•˜๋ถ€์—์„œ ๊ฒฐ๋กœ ์ทจ์•ฝ ์‚ฌ๋ก€๊ฐ€ ๋งŽ์ด ๋ฐœ์ƒํ•˜๋ฉฐ ๋‚ด์ฐฝ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์™ธ์ฐฝ์—์„œ๋„ ๊ฒฐ๋กœ๊ฐ€ ๋ฐœ์ƒํ•˜์—ฌ ๋ฏผ์›์ด ์ฆ๊ฐ€ํ•˜๋Š” ์ถ”์„ธ์ด๋‹ค. ๊ฒฐ๋กœํ˜„์ƒ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ์‹ค๋‚ดโ€ค์™ธ ์˜จ๋„ ์ฐจ์ด๋ฅผ ์ค„์ด๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ ๊ณต๋™์ฃผํƒ์—์„œ ๋กœ์ด (low-Emittance)์œ ๋ฆฌ ์‚ฌ์šฉ์ด ์ฆ๊ฐ€ํ•˜๊ณ  ์žˆ๋‹ค.(3) ๋กœ์ด์œ ๋ฆฌ๋Š” ๊ฒจ์šธ์ฒ  ๋ณด์˜จ ๋ฐ ๊ฒฐ๋กœ๋ฐฉ์ง€, ์—ฌ๋ฆ„์ฒ  ๋‹จ์—ดํšจ๊ณผ, ์ž์™ธ์„  ๋ฐฉ์ง€ ๋“ฑ์ด ๊ฐ€๋Šฅํ•˜์—ฌ ๊ฑด๋ฌผ์˜ ์—๋„ˆ์ง€ ์ ˆ๊ฐ์— ํšจ๊ณผ์ ์ด๊ธฐ ๋•Œ๋ฌธ์— ๋กœ์ด์œ ๋ฆฌ๋ฅผ ์ ์šฉํ•˜๋Š” ๊ฑด๋ฌผ์ด ํ™•๋Œ€๋˜๊ณ  ์žˆ๋‹ค. ๊ทธ๋Ÿฌ๋‚˜ ๋กœ์ด์œ ๋ฆฌ์˜ ๊ฒฝ์šฐ ์ €๋ฐฉ์‚ฌ ์ฝ”ํŒ…์˜ ์ ์šฉ ์œ„์น˜์— ๋”ฐ๋ผ ์ฐฝํ˜ธ์˜ ์—ด์„ฑ๋Šฅ๊ณผ ๊ฑด๋ฌผ์˜ ์—๋„ˆ์ง€์†Œ๋น„๋Ÿ‰์ด ๋‹ฌ๋ผ์งˆ ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์— ํ•ฉ๋ฆฌ์ ์ธ ์ ์šฉ ์œ„์น˜๊ฐ€ ์ œ์‹œ๋  ํ•„์š”์„ฑ์ด ์žˆ๋‹ค. ์ดํ•œ์†”, ์ตœ๊ฒฝ์„, ์ดํ˜„ํ™” ํก์ˆ˜์‹ ๋ƒ‰๋™๊ธฐ์˜ ์ฆ๋ฐœ๊ธฐ์— ์‚ฌ์šฉ๋˜๋Š” ์ „์—ด์ด‰์ง„๊ด€์—์„œ ๋ฌผ์˜ ์œ ํ•˜ ์•ก๋ง‰ ์ฆ๋ฐœ ์—ด์ „๋‹ฌ์— ๋Œ€ํ•œ ์‹คํ—˜์  ์—ฐ๊ตฌ

๋”ฐ๋ผ์„œ ๋ณธ ์—ฐ๊ตฌ๋Š” ์‹ค์ œ ๊ฑฐ์ฃผ์กฐ๊ฑด์„ ๋ชจ์‚ฌํ•œ ์‹ค๊ทœ๋ชจ ๊ฑฐ์‹ค์ฐฝ์„ ๋Œ€์ƒ์œผ๋กœ ์„ฑ๋Šฅํ‰๊ฐ€๋ฅผ ์ˆ˜ํ–‰ํ•˜์—ฌ ์ด์ค‘์ฐฝ์˜ ๋กœ์ด ์ฝ”ํŒ… ์œ„์น˜ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํšจ๊ณผ๋ฅผ ๊ฒ€์ฆํ•˜๊ณ ์ž ํ•œ๋‹ค.

2. ์—ฐ๊ตฌ๋ฐฉ๋ฒ•

๋ณธ ์—ฐ๊ตฌ๋Š” ๋กœ์ด์ฝ”ํŒ…์˜ ์œ„์น˜ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํšจ๊ณผ๋ฅผ ๊ฒ€์ฆํ•˜๊ณ ์ž ์‹ค์ œ ๊ฑฐ์ฃผ์กฐ๊ฑด์„ ๋ชจ์‚ฌํ•œ ์‹ค๊ทœ๋ชจ ๊ฑฐ์‹ค์ฐฝ์„ ๋Œ€์ƒ์œผ๋กœ ์„ฑ๋Šฅํ‰๊ฐ€๋ฅผ ์ˆ˜ํ–‰ํ•œ ํ›„ ์ด์ค‘์ฐฝ์˜ ์˜จ๋„์ฐจ์ด๋น„์œจ์„ ์‚ฐ์ถœํ•˜์—ฌ ๋ถ„์„ํ•˜์˜€๋‹ค. ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„ ๊ธฐ์ค€โ€™์— ๋”ฐ๋ผ ์ธก์ • ์œ„์น˜ ๋ฐ ์‹œํ—˜์กฐ๊ฑด์„ ์„ ์ •ํ•˜์˜€๊ณ  KS F 2295(4)์˜ ์‹คํ—˜๋ฐฉ๋ฒ•์„ ํ†ตํ•˜์—ฌ ์‹คํ—˜์„ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์ด์ค‘์ฐฝ์˜ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ฐ ๊ฐ„๋ด‰ ์ข…๋ฅ˜์— ๋”ฐ๋ผ ์ด 6๊ฐ€์ง€ Case ์กฐํ•ฉ์•ˆ์— ๋Œ€ํ•˜์—ฌ ์‹ค๊ทœ๋ชจ์˜ ์„ฑ๋Šฅํ‰๊ฐ€๋ฅผ ์‹ค์‹œํ•˜์˜€๋‹ค.

2.1 ๊ฒฐ๋กœ๋ฐฉ์ง€ ์„ค๊ณ„๊ธฐ์ค€ ๋ฐ ํ‰๊ฐ€๋ฐฉ๋ฒ•

โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„ ๊ธฐ์ค€โ€™์€ ๏ฝข์ฃผํƒ๊ฑด์„ค๊ธฐ์ค€ ๋“ฑ์— ๊ด€ํ•œ ๊ทœ์ •๏ฝฃ ์ œ14์กฐ์˜3์— ๋”ฐ๋ผ ๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ฑ๋Šฅ๊ธฐ์ค€ ๋“ฑ์— ๊ด€ํ•˜์—ฌ ์œ„์ž„๋œ ์‚ฌํ•ญ๊ณผ ๊ทธ ์‹œํ–‰์— ํ•„์š”ํ•œ ์„ธ๋ถ€์ ์ธ ์‚ฌํ•ญ์„ ์ •ํ•˜์—ฌ ๊ณต๋™์ฃผํƒ ์„ธ๋Œ€ ๋‚ด์˜ ๊ฒฐ๋กœ ์ €๊ฐ์„ ์œ ๋„ํ•˜๊ณ  ์พŒ์ ํ•œ ์ฃผ๊ฑฐํ™˜๊ฒฝ์„ ํ™•๋ณดํ•˜๋Š”๋ฐ ๊ธฐ์—ฌํ•˜๊ณ ์ž ์ œ์ •๋œ ๊ธฐ์ค€์ด๋ฉฐ, ๏ฝข์ฃผํƒ๋ฒ•๏ฝฃ ์ œ16์กฐ์— ๋”ฐ๋ฅธ ์‚ฌ์—…๊ณ„ํš์Šน์ธ์„ ๋ฐ›์•„ ๊ฑด์„คํ•˜๋Š” 500์„ธ๋Œ€ ์ด์ƒ์˜ ๊ณต๋™์ฃผํƒ์„ ๋Œ€์ƒ์œผ๋กœ ์‹œํ–‰๋˜๊ณ  ์žˆ๋‹ค. ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•œ ์ง€ํ‘œ๋กœ ์˜จ๋„์ฐจ์ด๋น„์œจ(TDR; Temperature Difference Ratio)์„ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์˜จ๋„์ฐจ์ด๋น„์œจ์€ ์‹ค๋‚ด์™€ ์™ธ๊ธฐ์˜ ์˜จ๋„์ฐจ์ด์— ๋Œ€ํ•œ ์‹ค๋‚ด์™€ ์ ์šฉ ๋Œ€์ƒ๋ถ€์œ„์˜ ์‹ค๋‚ดํ‘œ๋ฉด์˜ ์˜จ๋„์ฐจ์ด๋ฅผ ์ƒ๋Œ€์ ์ธ ๋น„์œจ๋กœ ํ‘œํ˜„ํ•˜์—ฌ ์•„๋ž˜์˜ ์‹ (1)์— ๋”ฐ๋ผ 0์—์„œ 1์‚ฌ์ด์˜ ๊ฐ’์œผ๋กœ ์‚ฐ์ •ํ•œ๋‹ค. Table 1์€ โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„ ๊ธฐ์ค€โ€™์˜ ํ‰๊ฐ€๋ฐฉ๋ฒ• ์ผ๋ถ€๋ฅผ ๋‚˜ํƒ€๋‚ธ ๊ฒƒ์œผ๋กœ ์‹ค๋‚ดโ€ค์™ธ ์˜จ์Šต๋„ ์„ค์ •์กฐ๊ฑด ๋ฐ ์ง€์—ญ๋ณ„ ์™ธ๊ธฐ์˜จ๋„ ๊ธฐ์ค€, ์ฐฝํ˜ธ์˜ ์˜จ๋„์ฐจ์ด๋น„์œจ ์„ฑ๋Šฅ๊ธฐ์ค€ ๋“ฑ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

(1)
์˜จ๋„์ฐจ์ด๋น„์œจ(TDR)=Tiโˆ’TsiTiโˆ’To

To ๏ผš์™ธ๊ธฐ์˜จ๋„ [โ„ƒ]

Ti ๏ผš์‹ค๋‚ด์˜จ๋„ [โ„ƒ]

Tsi ๏ผš์‹ค๋‚ด์ธก ํ‰๊ฐ€๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„ [โ„ƒ]

Table 1. โ€˜Design standard for preventing condensation in apartment buildingsโ€™ for each major part

Indoor and Outdoor

Environmental Conditions

Target Parts

TDR

Indoor

Outdoor

Region division

Regionโ… *

Regionโ…ก**

Regionโ…ข***

25โ„ƒ/50%

(R.H.)

Regionโ… (-20โ„ƒ)

Regionโ…ก(-15โ„ƒ)

Regionโ…ข(-10โ„ƒ)

Window

Glass center

0.16 (0.16)

0.18 (0.18)

0.20 (0.24)

Glass edge

0.22 (0.26)

0.24 (0.29)

0.27 (0.32)

Window frame and sash

0.25 (0.30)

0.28 (0.33)

0.32 (0.38)

* Ganghwa, Dongducheon, Yangpyeong, Inje, Cheorwon, etc.

** Seoul, Daejeon, Chungcheongbuk-do(excluding Yeongdong), Gyeongsangbuk-do(Mungyeong, Andong, Uiseong, Yeongju), etc.

*** Busan, Daegu, Jeollanam-do, Jeju-do, e

2.2 ์‹คํ—˜๋ฐฉ๋ฒ•

์‹ค์ œ ๊ทœ๋ชจ์˜ ๋ชฉ์—…์‹คํ—˜์‹ค์— ๊ณต๋™์ฃผํƒ์—์„œ ์ ์šฉ๋˜๊ณ  ์žˆ๋Š” ์ด์ค‘์ฐฝ์„ ์‹œ๊ณตํ•˜์—ฌ ์„ฑ๋Šฅํ‰๊ฐ€๋ฅผ ์‹ค์‹œํ•˜์˜€๋‹ค. KS F 2295 ๋ฐ โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„๊ธฐ์ค€โ€™์˜ ์‹คํ—˜๋ฐฉ๋ฒ•์„ ์ค€์šฉํ•˜์—ฌ ์‹ค์ œ ๊ณต๋™์ฃผํƒ์— ์ ์šฉ๋˜๋Š” ์ด์ค‘์ฐฝ ์‚ฌ์ด์ฆˆ ๋ฐ ์‹ค์ œ ์‹œ๊ณตํ˜„์žฅ ์กฐ๊ฑด์„ ๊ธฐ๋ฐ˜์œผ๋กœ ๊ณต๋™์ฃผํƒ์— ์ ์šฉ๋˜๋Š” ์ด์ค‘์ฐฝ์˜ ์‹ค์งˆ์ ์ธ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ๊ฒ€์ฆํ•˜๊ณ ์ž ํ•˜์˜€๋‹ค. ์ด์ค‘์ฐฝ์—์„œ ์œ ๋ฆฌ์™€ ์œ ๋ฆฌ์˜ ๊ฐ„๊ฒฉ์„ ์œ ์ง€์‹œ์ผœ์ฃผ๋Š” ๊ฐ„๋ด‰์˜ ๊ฒฝ์šฐ ์—ด๊ตํ˜„์ƒ๊ณผ ๊ฒจ์šธ์ฒ  ๊ฒฐ๋กœ๋ฅผ ๋ฐœ์ƒ์‹œํ‚ค๋Š” ๋“ฑ ๋‹จ์—ด ์„ฑ๋Šฅ์— ์ทจ์•ฝํ•œ ์š”์ธ์ด๊ธฐ ๋•Œ๋ฌธ์— ์ฐฝํ˜ธ์˜ ์—ด๊ด€๋ฅ˜์œจ ๊ฐ’์— ๋ฏธ์น˜๋Š” ์˜ํ–ฅ์„ ์•Œ์•„๋ณด๊ณ ์ž ์ด์ค‘์ฐฝ์˜ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ฐ ๊ฐ„๋ด‰ ์ข…๋ฅ˜์— ๋”ฐ๋ผ ์ด 6๊ฐ€์ง€์˜ Case๋ฅผ ์„ ์ •ํ•˜์˜€๋‹ค.(5,6,7) ๋กœ์ด๋Š” ์œ„์น˜์— ๋”ฐ๋ผ ์‹ค๋‚ด์ธกยท์‹ค์™ธ์ธก์œผ๋กœ ๊ตฌ๋ถ„ํ•˜์˜€์œผ๋ฉฐ, ๊ฐ„๋ด‰์€ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)๊ณผ ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์œผ๋กœ ๊ตฌ๋ถ„ํ•˜์˜€๋‹ค. ์‹œํ—˜์ฒด ์‹ค๋‚ด์ธก ์ฐฝํ˜ธ์˜ ์˜จ๋„์ฐจ์ด๋น„์œจ ๊ฐ’ ์‚ฐ์ •์„ ์œ„ํ•˜์—ฌ โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„ ๊ธฐ์ค€โ€™์— ์ ์šฉ๋œ ์ธก์ • ์œ„์น˜ 37์ง€์ ์˜ ํ‘œ๋ฉด์˜จ๋„๋ฅผ ์ธก์ •ํ•˜์˜€๊ณ  ์œ„์น˜๋Š” ์ฐฝ์˜ ์œ ๋ฆฌ(์œ ๋ฆฌ ์ค‘์•™๋ถ€, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ), ์ฐฝํ‹€(์ฐฝํ‹€ ํ”„๋ ˆ์ž„, ์ฐฝํ‹€ ํ”„๋ ˆ์ž„ ๋ชจ์„œ๋ฆฌ), ์ฐฝ์ง(์ฐฝ์ง ํ”„๋ ˆ์ž„, ์ฐฝ์ง ํ”„๋ ˆ์ž„ ๋ชจ์„œ๋ฆฌ)์œผ๋กœ ๊ตฌ๋ถ„๋œ๋‹ค. ๋˜ํ•œ ์‹ค๋‚ด์ธก ํ‘œ๋ฉด์˜จ๋„์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ์ด์ค‘์ฐฝ ๋‚ด ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ์‹ค๋‚ด์ธก ๊ฒฐ๋กœ๋ฐฉ์ง€ ์„ฑ๋Šฅ ๋ณ€ํ™”๋ฅผ ํŒŒ์•…ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„๋ฅผ ์ƒโ€ค์ค‘โ€คํ•˜๋กœ ๋‚˜๋ˆ„์–ด ์ธก์ •ํ•˜์˜€๋‹ค.

3. ๋กœ์ด์ฝ”ํŒ… ์ ์šฉ์œ„์น˜์— ๋”ฐ๋ฅธ ์„ฑ๋Šฅํ‰๊ฐ€

3.1 ์‹คํ—˜ ๊ฐœ์š”

์‹œํ—˜์ฒด์˜ ์‹ค๋‚ดโ€ค์™ธ ํ‘œ๋ฉด์˜จ๋„ ๋ฐ ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„ ์ธก์ •์œ„์น˜๋Š” Table 2์™€ ๊ฐ™๊ณ  ์‹คํ—˜๊ฐœ์š”๋Š” Table 3, ์‹œํ—˜์ฒด ์„ค์น˜ ์‚ฌ์ง„์€ Table 4์™€ ๊ฐ™๋‹ค. ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ‰๊ฐ€ํ•˜๊ธฐ ์œ„ํ•˜์—ฌ ์ฐฝํ˜ธ์˜ ์œ ๋ฆฌ ์ค‘์•™, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ, ์ฐฝํ‹€ ๋ฐ ์ฐฝ์ง์˜ ํ‘œ๋ฉด์˜จ๋„์™€ ์‹ค๋‚ด์ธก, ์‹ค์™ธ์ธก ๋ฐ ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„๋ฅผ 10๋ถ„ ๊ฐ„๊ฒฉ์œผ๋กœ ์ธก์ •ํ•˜์˜€๊ณ  ๋ชฉ์—…์‹คํ—˜์‹ค์ด ๊ฒฝ๊ธฐ๋„ ์šฉ์ธ์‹œ์— ์œ„์น˜ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ง€์—ญ โ…ก์˜ ์›”ํ‰๊ท  ์ผ ์ตœ์ € ์™ธ๊ธฐ์˜จ๋„ ๊ธฐ์ค€์„ ์ ์šฉํ•˜์˜€๋‹ค. ์ด์ค‘์ฐฝ์˜ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ฐ ๊ฐ„๋ด‰ ์ข…๋ฅ˜์— ๋”ฐ๋ฅธ Case ์กฐํ•ฉ์•ˆ์€ Table 5์™€ ๊ฐ™๋‹ค. Case 1์€ Base case๋กœ ์ผ๋ฐ˜ ์œ ๋ฆฌ ๋ฐ ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์„ ์ ์šฉํ•˜์˜€๊ณ  Case 2๋Š” ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์„ ๋Œ€์‹ ํ•˜์—ฌ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•˜์˜€๋‹ค. Case 3๋Š” ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL) ๋ฐ ๋‚ด์ฐฝ ๋กœ์ด์ฝ”ํŒ…์„ ์ ์šฉํ•˜์˜€๊ณ  Case 4๋Š” ๋‹จ์—ด ๊ฐ„๋ด‰(TPS) ๋ฐ ๋‚ด์ฐฝ ๋กœ์ด์ฝ”ํŒ…์„ ์ ์šฉํ•œ ๊ฒฝ์šฐ์ด๋‹ค. Case 5๋Š” ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL) ๋ฐ ์™ธ์ฐฝ ๋กœ์ด์ฝ”ํŒ…์„ ์ ์šฉํ•˜์˜€๊ณ  Case 6๋Š” ๋‹จ์—ด ๊ฐ„๋ด‰(TPS) ๋ฐ ์™ธ์ฐฝ ๋กœ์ด์ฝ”ํŒ…์„ ์ ์šฉํ•˜์˜€๋‹ค.

Table 2. Measurement point

../../Resources/sarek/KJACR.2020.32.11.519/tbl2.png

Table 3. Overview of Mock-up test

Test Site

Window laboratory of Yongin-si

Mock-up

Size : 3900 mm(W)ร—2150 mm(H)ร—246mm(D)/Glass Thickness : 22 mm(5-12-5)

Test Method

Measurement Item

Surface temperature, Air temperature

Measurement Device

Thermocouple(T type), GL820(Data logger),

Temperature-humidity sensor, Heat flow sensor

Measurement Interval

10 minutes

Measurement Location

Glass center, Glass edge, Window frame and sash, Air cavity

Test Conditions

Steady Temperature and Humidity Room

25โ„ƒ, 50%(R.H.)

Cold Chamber

-15โ„ƒ(Regionโ…ก)

Standard

Design Regulation for Condensation Prevention

Table 4. Installation image of Mock-up

../../Resources/sarek/KJACR.2020.32.11.519/tbl4.png

Table 5. Case summary of Mock-up test

Case

Outside Window

Inside Window

Division

Comparison Contents

Glass

Specification

Location of Low-E

Spacer

Glass

Specification

Location of Low-E

Spacer

1

5CL+12Air+5CL

ร—

AL

5CL+12Air+5CL

ร—

AL

A_C_C

Base case

- Low-E : None

- Spacer : AL

2

5CL+12Air+5CL

ร—

TPS

5CL+12Air+5CL

ร—

TPS

T_C_C

- Low-E : None

- Spacer : TPS

3

5CL+12Air+5CL

ร—

AL

5CL+12Air+5LE

โ—‹

AL

A_C_L

- LE : Inside window

- Spacer : AL

4

5CL+12Air+5CL

ร—

TPS

5CL+12Air+5LE

โ—‹

TPS

T_C_L

LE : Inside window

- Spacer : TPS

5

5CL+12Air+5LE

โ—‹

AL

5CL+12Air+5CL

ร—

AL

A_L_C

- LE : Outside window

- Spacer : AL

6

5CL+12Air+5LE

โ—‹

TPS

5CL+12Air+5CL

ร—

TPS

T_L_C

LE : Outside window

- Spacer : TPS

3.2 ์‹คํ—˜ ๊ฒฐ๊ณผ

3.2.1 ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„ ๋น„๊ต

์ด์ค‘์ฐฝ ๋‚ดโ€ค์™ธ์ฐฝ์˜ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ฐ ๊ฐ„๋ด‰ ์ข…๋ฅ˜์— ๋”ฐ๋ฅธ 6๊ฐ€์ง€ Case์— ๋Œ€ํ•˜์—ฌ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํ‰๊ฐ€๋ฅผ ์ˆ˜ํ–‰ํ•œ ํ›„ ์ฐฝํ˜ธ์˜ ์‹ค๋‚ด์ธก ํ‘œ๋ฉด์˜จ๋„๋ฅผ ์‹ค์ธกํ•˜์—ฌ ์˜จ๋„์ฐจ์ด๋น„์œจ์„ ์‚ฐ์ถœํ•˜์˜€๋‹ค.

์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„ ํ‰๊ท ๊ฐ’์€ Fig. 1๊ณผ ๊ฐ™์ด Case 6(10.5โ„ƒ), Case 5(9.8โ„ƒ), Case 1(6.9โ„ƒ), Case 2(6.7โ„ƒ), Case 4 (3.0โ„ƒ), Case 3(2.6โ„ƒ) ์ˆœ์œผ๋กœ ๋†’๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜๋ฅผ ๋‚ด์ฐฝ์—์„œ ์™ธ์ฐฝ์œผ๋กœ ๋ณ€๊ฒฝํ•œ ๊ฒฝ์šฐ ํ‰๊ท  ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๋Š” ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์„ ์ ์šฉํ•œ Case 3 ๋Œ€๋น„ Case 5๋Š” 7.2โ„ƒ, ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•œ Case 4 ๋Œ€๋น„ Case 6์€ 7.5โ„ƒ๋กœ ์ƒ์Šนํ•˜์—ฌ ํ‰๊ท  ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๊ฐ€ ์•ฝ 7.4โ„ƒ ์ƒ์Šนํ•œ ๊ฒƒ์„ ํ™•์ธํ•˜์˜€๋‹ค. ๋กœ์ด๋ฅผ ์™ธ์ฐฝ์— ๊ตฌ์„ฑํ•จ์— ๋”ฐ๋ผ ์‹ค๋‚ด์ธก ๋”ฐ๋œปํ•œ ๊ณต๊ธฐ๊ฐ€ ์ค‘๊ณต์ธต์œผ๋กœ ์œ ์ž…์ด ์ƒ๋Œ€์ ์œผ๋กœ ์ž์œ ๋กญ๊ฒŒ ๋˜๋ฉฐ, ์ด๋กœ ์ธํ•œ ์ค‘๊ณต์ธต ๋‚ด์˜ ๋Œ€๋ฅ˜ํ˜„์ƒ์— ์˜ํ•ด ์ค‘์•™๋ถ€์œ„ ์˜จ๋„ ์ƒ์Šนํšจ๊ณผ ๋งค์šฐ ํฐ ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์„ ์ ์šฉํ•œ Case 1(A_C_C), 3(A_C_L), 5(A_L_C)์— ๋Œ€๋น„ํ•˜์—ฌ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•œ Case 2(T_C_C), 4(T_C_L), 6(T_L_C)์˜ ํ‰๊ท  ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๊ฐ€ ์•ฝ 0.5โ„ƒ์ƒ์Šนํ•˜์—ฌ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS) ์ ์šฉ์ด ๋‹จ์—ด์„ฑ๋Šฅ ํ–ฅ์ƒ์— ํšจ๊ณผ์ ์ธ ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค.

Fig. 1 Air temperature of air cavity.
../../Resources/sarek/KJACR.2020.32.11.519/fig1.png

3.2.2 ๋‚ด์ฐฝ ์ทจ์•ฝ๋ถ€์œ„์˜ ์˜จ๋„์ฐจ์ด๋น„์œจ ๋น„๊ต

์ฐฝํ˜ธ์˜ ์‹ค๋‚ด์ธก ์ทจ์•ฝ๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„ ์ธก์ •๊ฐ’์„ ํ†ตํ•ด ์˜จ๋„์ฐจ์ด๋น„์œจ์„ ์‚ฐ์ถœํ•˜์˜€๋‹ค. โ€˜๊ณต๋™์ฃผํƒ ๊ฒฐ๋กœ๋ฐฉ์ง€๋ฅผ ์œ„ํ•œ ์„ค๊ณ„๊ธฐ์ค€โ€™์˜ ์ง€์—ญโ…ก ๊ธฐ์ค€์˜ ๊ฒฐ๋กœ๋ฐฉ์ง€ ์„ฑ๋Šฅ๊ธฐ์ค€์— ์ ํ•ฉ์„ฑ ์—ฌ๋ถ€๋ฅผ ๋ถ„์„ํ•œ ๊ฒฐ๊ณผ ๋‚ด์ฐฝ์˜ ์ทจ์•ฝ๋ถ€์œ„ ์˜จ๋„์ฐจ์ด ๋น„์œจ ํ‰๊ท ๊ฐ’์€ Fig. 2์™€ ๊ฐ™์ด Case 6(0.23), Case 5(0.25), Case 4(0.25), Case 2(0.28), Case 1(0.29), Case 3(0.30) ์ˆœ์œผ๋กœ ๋‚ฎ๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์˜จ๋„์ฐจ์ด๋น„์œจ์˜ ๊ฐ’์ด ์ž‘์„์ˆ˜๋ก ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์ด ์šฐ์ˆ˜ํ•จ์„ ๋‚˜ํƒ€๋‚ด๋ฉฐ Case 6์˜ ๊ฒฝ์šฐ ๋กœ์ด๋ฅผ ์™ธ๋ถ€์ฐฝ์— ๊ตฌ์„ฑํ•จ์— ๋”ฐ๋ผ ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„ ์ƒ์Šน์„ ์œ ๋„ํ•˜์—ฌ ์ด์ค‘์ฐฝ์˜ ์‹ค๋‚ด์ธก ์ฐฝํ˜ธ ํ‘œ๋ฉด์˜จ๋„๊ฐ€ ์ƒ์Šน ํ•˜์˜€๊ธฐ ๋•Œ๋ฌธ์— ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚จ ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ์ทจ์•ฝ๋ถ€์œ„ ์ค‘ ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ๋ถ€์œ„(36, 37์ง€์ )์˜ ๊ฒฝ์šฐ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์˜ ์ ์šฉ์ด ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํ–ฅ์ƒ์— ์˜ํ–ฅ์„ ์ฃผ๋Š” ๊ฒƒ์œผ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค. ๋กœ์ด ์™ธ์ฐฝ ๋ฐ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•œ Case 6์˜ ๊ฒฝ์šฐ ์˜จ๋„์ฐจ์ด๋น„์œจ์˜ ๊ฐ’ ์ฐฝ์ง(20)์ง€์ ์—์„œ 0.26, ์ฐฝ์ง(21)์ง€์ ์—์„œ 0.23, ์ฐฝ์ง(22)์ง€์ ์—์„œ 0.28, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ(36)์ง€์ ์—์„œ 0.19, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ(37)์ง€์ ์—์„œ 0.20์œผ๋กœ ์‚ฐ์ถœ๋˜์–ด ์œ ์ผํ•˜๊ฒŒ ์ฐฝ์ง ๋ฐ ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ ๋ถ€์œ„์˜ ๋ฒ•์  ์„ฑ๋Šฅ๊ธฐ์ค€์— ๋งŒ์กฑํ•œ ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

Fig. 2 TDR of Inside window.
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3.2.3 ์ทจ์•ฝ๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„ ๋น„๊ต

์ฐฝํ˜ธ์˜ ๋‹จ์—ด์„ฑ๋Šฅ ์ทจ์•ฝ๋ถ€์œ„์— ๋Œ€ํ•˜์—ฌ ์˜จ๋„๋ณ€ํ™”๋ฅผ ๋ถ„์„ํ•˜๊ณ ์ž ์ด์ค‘์ฐฝ์˜ ๋‚ด์ฐฝ ๋ฐ ์™ธ์ฐฝ์—์„œ ์ธก์ •๋œ ์ตœ์ € ํ‘œ๋ฉด์˜จ๋„๋ฅผ Fig. 3, Fig. 4์™€ ๊ฐ™์ด ๋‚˜ํƒ€๋‚ด์—ˆ๋‹ค. 6๊ฐ€์ง€ Case ์ค‘ ๋กœ์ด ๋‚ด์ฐฝ ๋ฐ ์•Œ๋ฃจ๋ฏธ๋Š„ ๊ฐ„๋ด‰(AL)์„ ์ ์šฉํ•œ Case 3 ๋Œ€๋น„ ๋กœ์ด ์™ธ์ฐฝ ๋ฐ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•œ Case 6์˜ ์ตœ์ € ํ‘œ๋ฉด์˜จ๋„ ์ƒ์Šนํญ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค. ๋‚ด์ฐฝ์—์„œ ์œ ๋ฆฌ ์ค‘์•™, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ, ์ฐฝํ‹€ ๋ฐ ์ฐฝ์ง์˜ ์ตœ์ € ํ‘œ๋ฉด์˜จ๋„๋ฅผ ๋น„๊ตํ•œ ๊ฒฐ๊ณผ ์œ ๋ฆฌ ์ค‘์•™์—์„œ 0.4โ„ƒ, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ์—์„œ 3.2โ„ƒ, ์ฐฝํ‹€ ๋ฐ ์ฐฝ์ง์—์„œ 3.6โ„ƒ ์ƒ์Šนํ•˜์—ฌ ๋‹จ์—ด์„ฑ๋Šฅ์ด ์ทจ์•ฝํ•œ ์ฐฝํ‹€ ๋ฐ ์ฐฝ์ง์—์„œ์˜ ์ตœ์ € ํ‘œ๋ฉด์˜จ๋„ ์ƒ์Šนํญ์ด ๊ฐ€์žฅ ํฐ ๊ฒƒ์œผ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค. ์™ธ์ฐฝ์˜ ๊ฒฝ์šฐ ์œ ๋ฆฌ ์ค‘์•™์—์„œ 6.6โ„ƒ, ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ์—์„œ 3.5โ„ƒ, ์ฐฝํ‹€ ๋ฐ ์ฐฝ์ง์—์„œ 2.4โ„ƒ ์ƒ์Šนํ•˜์—ฌ ์œ ๋ฆฌ ์ค‘์•™์—์„œ์˜ ์ƒ์Šนํญ์ด ๊ฐ€์žฅ ํฐ ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค.

Fig. 3 Minimum surface temperature of inside window
../../Resources/sarek/KJACR.2020.32.11.519/fig3.png

Fig. 4 Minimum surface temperature of outside window
../../Resources/sarek/KJACR.2020.32.11.519/fig4.png

Fig. 5 Surface temperature of outside window.
../../Resources/sarek/KJACR.2020.32.11.519/fig5.png

Fig. 5์™€ ๊ฐ™์ด ์™ธ์ฐฝ์˜ ์ทจ์•ฝ๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„ ํ‰๊ท ๊ฐ’ ๋ถ„์„ ๊ฒฐ๊ณผ, Case 6(2.6โ„ƒ), Case 5(2.0โ„ƒ), Case 1(0.1โ„ƒ), Case 2(-0.5โ„ƒ), Case 3(-1.1โ„ƒ), Case 4(-2.1โ„ƒ) ์ˆœ์œผ๋กœ ๋†’๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋กœ์ด๊ฐ€ ์™ธ์ฐฝ์— ์ ์šฉ ๋œ ๊ฒฝ์šฐ(Case 5, Case 6) ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๊ฐ€ ์ƒ์Šนํ•˜์—ฌ ๋‚ด์ฐฝ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์™ธ์ฐฝ์˜ ํ‘œ๋ฉด์˜จ๋„ ๋˜ํ•œ ์ƒ์Šนํ•˜์—ฌ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ค๋Š” ๊ฒƒ์œผ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค. ๋กœ์ด๊ฐ€ ๋‚ด์ฐฝ์— ์ ์šฉ๋œ Case 3(A_C_L), Case 4(T_C_L)์˜ ๊ฒฝ์šฐ ๋กœ์ด๊ฐ€ ์ ์šฉ๋˜์ง€ ์•Š์€ Case 1(A_C_C), Case 2(T_C_C)๋ณด๋‹ค ์™ธ์ฐฝ์˜ ์ทจ์•ฝ๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„๊ฐ€ ๋‚ฎ๊ฒŒ ๋‚˜ํƒ€๋‚œ ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ ์ด๋Š” ๋กœ์ด๊ฐ€ ๋‚ด์ฐฝ์— ์ ์šฉ๋œ ๊ฒฝ์šฐ ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๊ฐ€ ์ €ํ•˜๋˜๊ธฐ ๋•Œ๋ฌธ์ธ ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค. ๋กœ์ด์˜ ๋‹จ์—ดํšจ๊ณผ๋กœ ์ธํ•˜์—ฌ ๋กœ์ด๊ฐ€ ์ ์šฉ๋˜์ง€ ์•Š์€ ์ผ๋ฐ˜ ๋ณต์ธต์œ ๋ฆฌ์— ๋น„ํ•˜์—ฌ ๋กœ์ด๊ฐ€ ๋‚ด์ฐฝ์— ์ ์šฉ๋œ ์œ ๋ฆฌ๋Š” ์‹ค๋‚ด์—์„œ ์‹ค์™ธ๋กœ์˜ ์—ด ์ด๋™์ด ๊ฐ์†Œํ•˜์—ฌ ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๊ฐ€ ์ €ํ•˜๋˜๊ณ  ์™ธ์ฐฝ์˜ ํ‘œ๋ฉด์˜จ๋„๋„ ๋‚ฎ๊ฒŒ ๋‚˜ํƒ€๋‚œ ๊ฒƒ์œผ๋กœ ์‚ฌ๋ฃŒ๋œ๋‹ค.

4. ๊ฒฐ ๋ก 

๋ณธ ์—ฐ๊ตฌ๋Š” ๋ณต์ธต์œ ๋ฆฌ ์ด์ค‘์ฐฝํ˜ธ๋ฅผ ๋Œ€์ƒ์œผ๋กœ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ณ€ํ™”์— ๋”ฐ๋ฅธ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํšจ๊ณผ๋ฅผ ๊ฒ€์ฆํ•˜๊ณ ์ž ์‹ค์ œ ๊ฑฐ์ฃผ์กฐ๊ฑด์„ ๋ชจ์‚ฌํ•œ ์‹ค์ œ ๊ทœ๋ชจ ์„ฑ๋Šฅํ‰๊ฐ€๋ฅผ ์ˆ˜ํ–‰ํ•˜์˜€๋‹ค. ์ฐฝํ˜ธ์˜ ๋กœ์ด์œ„์น˜(๋‚ด์ฐฝ/์™ธ์ฐฝ) ๋ฐ ๊ฐ„๋ด‰ ์ข…๋ฅ˜(AL/TPS) ์— ๋”ฐ๋ผ Case๋ฅผ ์„ ์ • ํ›„, ์‹ค๋‚ดแ†žโ€ค์™ธ์ธก ํ‘œ๋ฉด์˜จ๋„ ๋ฐ ์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„๋ฅผ ์‹ค์ธกํ•˜์—ฌ ์˜จ๋„์ฐจ์ด๋น„์œจ์„ ๋น„๊ตโ€ค๋ถ„์„ํ•˜์˜€๋‹ค.

์‹ค๋ฌผ๋Œ€ Mock-up ์‹คํ—˜์„ ํ†ตํ•˜์—ฌ ์‹ค์ œ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ๊ฒ€์ฆํ•œ ๊ฒฐ๊ณผ, 6๊ฐ€์ง€ Case ์ค‘ ์ง€์—ญโ…ก ๊ธฐ์ค€(-15โ„ƒ)์—์„œ ๋กœ์ด์™ธ์ฐฝ ๋ฐ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์˜ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์ด ๊ฐ€์žฅ ์šฐ์ˆ˜ํ•œ ๊ฒƒ์œผ๋กœ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ๋˜ํ•œ ๋‚ด์ฐฝ์—์„œ ์™ธ์ฐฝ์œผ๋กœ์˜ ๋กœ์ด์ฝ”ํŒ… ์œ„์น˜ ๋ณ€๊ฒฝ์€ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ ํ–ฅ์ƒ์— ํšจ๊ณผ์ ์ธ ๊ฒƒ์œผ๋กœ ํ™•์ธ๋˜์—ˆ๋‹ค.

์ค‘๊ณต์ธต ๊ณต๊ธฐ์˜จ๋„ ํ‰๊ท ๊ฐ’์€ Case 6(10.5โ„ƒ), Case 5(9.8โ„ƒ), Case 1(6.9โ„ƒ), Case 2(6.7โ„ƒ), Case 4(3.0โ„ƒ), Case 3 (2.6โ„ƒ) ์ˆœ์œผ๋กœ ๋†’๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๊ณ  ๋‚ด์ฐฝ์˜ ์ทจ์•ฝ๋ถ€์œ„ ์˜จ๋„์ฐจ์ด๋น„์œจ ํ‰๊ท ๊ฐ’์€ Case 6(0.23), Case 4(0.25), Case 5 (0.25), Case 2(0.28), Case 1(0.29), Case 3(0.30) ์ˆœ์œผ๋กœ ๋‚ฎ๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค. ์™ธ์ฐฝ์˜ ์ทจ์•ฝ๋ถ€์œ„ ํ‘œ๋ฉด์˜จ๋„ ํ‰๊ท ๊ฐ’ ๋ถ„์„ ๊ฒฐ๊ณผ, Case 6(2.6โ„ƒ), Case 5(2.0โ„ƒ), Case 1(0.1โ„ƒ) Case 2(-0.5โ„ƒ), Case 3(-1.1โ„ƒ), Case 4(-2.1โ„ƒ) ์ˆœ์œผ๋กœ ๋†’๊ฒŒ ๋‚˜ํƒ€๋‚ฌ๋‹ค.

์™ธ์ฐฝ์— ๋กœ์ด ๋ฐ ๋‹จ์—ด ๊ฐ„๋ด‰(TPS)์„ ์ ์šฉํ•œ ๊ฒฝ์šฐ ์ค‘๊ณต์ธต์˜ ๊ณต๊ธฐ์˜จ๋„๋ฅผ ์ƒ์Šน์‹œํ‚ค๊ณ  ์œ ๋ฆฌ ๋ชจ์„œ๋ฆฌ๋ถ€์œ„์˜ ํ‘œ๋ฉด์˜จ๋„๋ฅผ ์ƒ์Šน์‹œ์ผœ ๋‚ด์ฐฝ ๋ฐ ์™ธ์ฐฝ์˜ ๊ฒฐ๋กœ๋ฐฉ์ง€์„ฑ๋Šฅ์„ ํ–ฅ์ƒ์‹œํ‚ด๊ณผ ๋™์‹œ์— ์—๋„ˆ์ง€ ๋น„์šฉ ์ ˆ๊ฐ์ด ๊ฐ€๋Šฅํ•  ๊ฒƒ์œผ๋กœ ํŒ๋‹จ๋œ๋‹ค.

ํ›„ ๊ธฐ

๋ณธ ์—ฐ๊ตฌ๋Š” ๊ตญํ† ๊ตํ†ต๋ถ€ ์ฃผ๊ฑฐํ™˜๊ฒฝ์—ฐ๊ตฌ์‚ฌ์—…์˜ ์—ฐ๊ตฌ๋น„์ง€์›(20RERP-C146906-03)์— ์˜ํ•ด ์ˆ˜ํ–‰๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

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