Measurements of Heat Transfer to A Massive Cylindrical Calorimeter Enguifed in A Circular Pool Fire  

Oleh:

Koski, J. A. ; Lopez, Carlos ; Greiner, Miles ; Kramer, M. Alex ; Suo-Anttila, Ahti

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 125 no. 1 (Feb. 2003), page 110-117.
Topik: heat transfer; heat transfer; massive; cylindrical calorimeter; circular pool fire

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.6 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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A large - scale experiment was performed to measure heat transfer to a massive cylindrical calorimeter engulfed in a 30 minute circular - pool fire. This test simulated the conditions of a truck - sized nuclear waste transport package in a severe fire. The calorimeter inner surface temperature and the flame environment emissive power were measured at several locations as functions of time. An inverse heat conduction technique was used to estimate the net heat flux to the calorimeter. Tall porous fences surrounded the test facility to reduce the effect of wind on the fire. Outside the fences, 2.9 m / s winds blew across the calorimeter axis at the beginning of the test but decreased with time. The wind tilted and moved the fire so that the initial flame environment emissive power was substantially less on the windward side than the leeward side. The calorimeter became more uniformly engulfed as the winds decreased. The maximum heat flux to the calorimeter was 150 MW / m(2) on the leeward side at the beginning of the fire, and generally decreased with time. The local variations of calorimeter temperature and heat flux were closely related to the local flame environment emissive power.

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