Effects of exhaust vent design on flue gas control based on FDS simulation

Lei-ming Ding; Jin-shui Qiu

doi:10.1117/12.2624716

6 February 2022 Effects of exhaust vent design on flue gas control based on FDS simulation

Lei-ming Ding, Jin-shui Qiu

Proceedings Volume 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021); 120811V (2022) https://doi.org/10.1117/12.2624716
Event: Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 2021, Chongqing, China

Abstract

In order to discuss the influence of smoke exhaust design on smoke exhaust effect, this paper simulates the influence of smoke exhaust efficiency, CO concentration and visibility by changing the height of the air exhaust distance from the floor and the air speed at the air exhaust after a fire in small cabin of a ship using fire dynamics software FDS. The results show that the smoke generated by low-power fire can not reach the roof position by absorbing cold air during the rising process, so the smoke outlet should be designed with a certain distance down. Opening the exhaust fan can significantly improve cabin visibility, expunge toxic and harmful gases, and has a positive effect on flue gas control.

Citation Download Citation

Lei-ming Ding and Jin-shui Qiu "Effects of exhaust vent design on flue gas control based on FDS simulation", Proc. SPIE 12081, Sixth International Conference on Electromechanical Control Technology and Transportation (ICECTT 2021), 120811V (6 February 2022); https://doi.org/10.1117/12.2624716

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