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The effect of flat heater inclination on the heat transfer coefficient in gas-fluidized beds

Al Busoul M.

Prace Naukowe Politechniki Warszawskiej. Konferencje

2002

T. 1, z. 22

9-16

In this paper the effect of the orientation a flat heater on the heat transfer coefficient in a gas- solid fluidized bed is experimentally investigated. The effect of the rectangular heater and the gas flow was examined by changing the angle from 0° to 180°, connection with the effect of the hydrodynamic parameters. The experimental results were conducted at ambient temperatures in a Plexiglas Coleman of 142mm I.D. and the heater used is made copper and electrically heated by a constant power of 6w. The heater position was at constant height in the column but its radial position was changed. Oil shale particles of different size were used as the solid phase in the fluidized bed. The velocity of air was changed in the range from 0.035 m/s to 1.8 m/s. the results obtained were discussed and compared with other previous studies.