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Transient Analysis of Temperature Distribution in Furnace Walls (CROSBI ID 466057)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Bogdan, Željko ; Jakoplić, Zlatko Transient Analysis of Temperature Distribution in Furnace Walls // Modelling, Simulation and Optimization / Kalpić, Damir ; Hljuz Dobrić, Vesna (ur.). Sveučilišni računski centar Sveučilišta u Zagrebu (Srce), 1998. str. 463-470-x

Podaci o odgovornosti

Bogdan, Željko ; Jakoplić, Zlatko

engleski

Transient Analysis of Temperature Distribution in Furnace Walls

The problem of transient temperature behavior of the steam generator evaporator tube walls caused by the feedwater system fallout is presented in this paper. The tubes are covered with brick material as to be protected from overheating in the first part of the furnace, while in the second part they are exposed directly to the hot gases. During normal operation the accumulated heat energy in the furnace wall may cause the tube wall temperature excursions in the shutdown period. The representative cutouts of the furnace walls in the three distinguished furnace positions are modeled by the code NISA with the purpose of obtaining transient temperature profiles across furnace walls. The steady-state conditions are tested and the results compared with the existing measurement data prior to the transient analysis. The tube wall temperatures really exceed maximum permissible temperature for the given tube material some 280 min after the feedwater system fallout has been shown by the transient analysis.

furnace heat accumulation; transient temperature distribution; mathematical modeling

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Podaci o prilogu

463-470-x.

1998.

objavljeno

Podaci o matičnoj publikaciji

Modelling, Simulation and Optimization

Kalpić, Damir ; Hljuz Dobrić, Vesna

Sveučilišni računski centar Sveučilišta u Zagrebu (Srce)

Podaci o skupu

20th International Conference on Information Technology Interfaces ‘98

predavanje

16.06.1998-19.06.1998

Pula, Hrvatska

Povezanost rada

Strojarstvo