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멀티죤 시뮬레이션을 이용한 지하주차장 배연설비에 관한 연구
조광철 ( Kwang-cheal Cho ) 대한설비관리학회 2016 대한설비관리학회지 Vol.21 No.3
Recently, the Republic of Korea have increased fire that occurred in an basement parking area. Basement parking area was not in contact with direct ambient air compared with the ground space, the environment. In Korea, Parking Lot Act should compel forced ventilation to maintain the air quality of the basement parking area. But there is no law for smoke control equipment. So it is important to reduce the damage caused by fire flame rather than smoke. In this study was modeling a fire situation in basement parking area in case of Installed smoke control equipment connected to the emergency power supply by using CONTAM. Results showed that the proper operation of the smoke control fan was automatically start and 9 ACH or more reasonable. Therefor, the enactment for smoke control laws and regulations is urgent.
홍성은(Sung-Eun Hong),강환국(Hwan-Koo Kook Kang),조광철(Kwang-Cheal Cho) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
This these was conducted to investigate the characteristics of a frozen start up for a VCHP which has water as a working fluid and Nitrogen as a non-condensible gas. The tested heat pipe was made of a copper tube with the outer diameter of 12.7 ㎜, the length of 340 ㎜, and the sintered metal wick had the thickness of 0.7 ㎜. This experiment was conducted under the thermal load, inclined angle and cooling conditions.