Numerical study on burning behavior of transformer bushing oil pool fire with different lip heights

Fire Science and Technology ›› 2021, Vol. 40 ›› Issue (12): 1723-1727.

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Numerical study on burning behavior of transformer bushing oil pool fire with different lip heights

YANG Xian1, CONG Wei2, WANG Shu-ping3, ZHOU Yong2, LUN Zhi-yi2, GUO Yi4

(1. Anhui Xinli Electric Technology Consulting Co., Ltd., Anhui Hefei 230601, China; 2. State Key Laboratory of Fire Science, University of Science and Technology of China, Anhui Hefei 230027, China; 3. Anhui Key Laboratory of Electric Power Fire and Safety Protection, State Grid Anhui Electric Power Co., Ltd., Electric Power Research Institute, Anhui Hefei 230601, China; 4. State Grid Anhui Electric Power Co., Ltd., Electric Power Research Institute, Anhui Hefei 230601, China)

Online:2021-12-15 Published:2021-12-15

Abstract

Abstract: Taking a typical transformer oil-immersed paper bushing fire accident as the object, the FDS is used to study the influence of the lip height on the burning rate and flame height of the bushing oil pool fire. The results show that with the increase of lip height, both of the mass loss rate and heat release rate decay exponentially, and the combustion efficiency first decreases and then increases. A non-dimensional flame height prediction model coupling the size of the bushing and the lip height is proposed.

Key words: transformer bushing, pool fire, lip height, burning rate, flame height

YANG Xian, CONG Wei, WANG Shu-ping, ZHOU Yong, LUN Zhi-yi, GUO Yi. Numerical study on burning behavior of transformer bushing oil pool fire with different lip heights[J]. Fire Science and Technology, 2021, 40(12): 1723-1727.

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Numerical study on burning behavior of transformer bushing oil pool fire with different lip heights

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