The Experimental Study on the Leakage of Automatic Pressure Differential · Overpressure Control Dampers

• Journal title : Fire Science and Engineering
• Volume 29, Issue 6,  2015, pp.71-75
• Publisher : Korea Institute of Fire Science and Engineering
• DOI : 10.7731/KIFSE.2015.29.6.071
Title & Authors
The Experimental Study on the Leakage of Automatic Pressure Differential · Overpressure Control Dampers
Shin, Pyung-Shik; Kim, Hak-Joong;

Abstract
Recently, Since buildings are bigger and higher, the damage of human life can be increased by fire flame and smoke in fire. Smoke control system is necessary to decrease this damage. Therefore, Air supply pressurization smoke control system is applied to vestibule of escape stairway. NFSC requires pressure differential of 40 Pa~60 Pa, but pressure differential is over 60 Pa in the field. It is known that the cause of this over pressure differential is much leakage of damper. Over pressure differential can bad effect to escaper by pressurizing the door. Analyze the real leakage of damper by testing for identifying this problems. The result of testing, leakage is $\small{0.090m^3/s{\sim}0.154m^3/s}$. It is necessary to limit the leakage of dampers for safe of escapers.
Keywords
Automatic pressure differential;overpressure control damper;Leakage;Smoke control;
Language
Korean
Cited by
1.
자동차압·과압조절형댐퍼의 개폐동작횟수 증가에 따른 누설량 실험 연구,신평식;김학중;

한국화재소방학회논문지, 2016. vol.30. 2, pp.56-61
1.
The Experimental Study on the Leakage of Automatic Pressure Differential·Overpressure Control Dampers by Increasing the Number of Damper Operation, Fire Science and Engineering, 2016, 30, 2, 56
References
1.
Nation Fire Safety Code, NFSC 501A (2015).

2.
K. C. Choi, Y. S. Song and J. H. Cha, "A Study on Leaking amount Test of Control Damper", Fire Science and Engineering, Vol. 23, No. 3, pp. 131-137 (2009).

3.
J. Y. Kim, D. H. Lee and H. Y. Kim, "Field Experiments on Performance Evaluation of Pressure Differential System for Smoke Management", Proceedings of 2008 Spring Annual Conference, Korean Institute of Fire Science & Engineering, pp. 251-254 (2008).

4.
Korean Standard, KS A 0612 (1997).

5.
Korean Standard, KS B 6311 (2010).

6.
Air Movement and Control Association, AMCA 500-D-98 (1999).