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Transient one-dimensional model of coal carbonization in a stagnant packed bed

Polesek-Karczewska S., Kardaś D., Grucelski A., Stelmach S., Wardach-Święcicka I.

Archives of Thermodynamics

2013

Vol. 34, no. 2

39--51

In the present paper, the one-dimensional model for heat and mass transfer in fixed coal bed was proposed to describe the thermal and flow characteristics in a coke oven chamber. For the purpose of the studied problem, the analysis was limited to the calculations of temperature field and pyrolytic gas yield. In order to verify the model, its theoretical predictions for temperature distribution during wet coal charge carbonization were compared with the measurement results found in the literature. In general, the investigation shows good qualitative agreement between numerical and experimental data. However, some discrepancy regarding the temperature characteristics at the stage of evaporation was observed.

Przepływy wilgoci w zasolonych ścianach

Kubik J., Kucharczyk A.

Fizyka Budowli w Teorii i Praktyce

2007

T. 2

161-164

W referacie przedstawiono wpływ zasolenia na zmiany właściwości materiałów. Podjęto próbę oszacowania źródła masy hydratów w wyniku cyklicznego nasączania -suszenia.

In this paper the influence of salinity on the changes of the propriety of materials was introduced. The source of the mass of hydrate was estimated in the result of cyclic drying. Experiment was also conducted witch defines the source of the mass.