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A Study on the Enhance of Air tightness Performance of a New Type Silding Window with horizontally Rolling Wheels

수평 구름 바퀴가 적용된 신 유형 미서기 창문의 기밀성능 개선에 관한 연구

Jang, Hyok-Soo;Kim, Young-Il;Chuung, Kwang-Seop
장혁수;김영일;정광섭

  • Received : 2015.09.14
  • Accepted : 2015.11.21
  • Published : 2015.12.31

Abstract

Crevices between window and window frame cause not only heat losses but also serve path to sound transmission and infiltration of fine dusts that are harmful to humans. There were many efforts in the past to eliminate these crevices but because of the windows' indispensable function of opening and closing, it was an unsolvable problem. In this study, a new type sliding window is developed by applying horizontally rolling wheels to implement a surface sealing which is excellent for enhancing air tightness. To evaluate the feasibility of the newly developed window, forces for opening and closing, durability and air tightness were testet according to Korean Testing Standards. Force for opening a 2000 N window is 30 N. It endured 100,000 cycles of opening and closing. Infiltration was $0.00m^3/(m^2h)$ for a pressure difference of 10 Pa. Since this window has few moving parts, it has favorable features of low cost and few breakdown.

Keywords

Sliding window;Horizontally rotating wheel;Air tightness;Heat loss

References

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