2006
DOI: 10.1080/07373930600564506
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An Experimental Study of the Thermal Performance of a Screw Conveyor Dryer

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Cited by 46 publications
(27 citation statements)
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“…[3] Its full potential is still unearthed due to the lack in understanding of hydrodynamic behavior under usual operating conditions. Waje et al [4] have studied the thermal performance of a jacketed screw conveyor dryer for the drying of a highly oxidative fine crystalline material in inert atmosphere under vacuum and reported the values of overall heat transfer coefficient and thermal efficiency in the range of 46-102 W=m 2 K and 25-62%, respectively. The thermal efficiency can be still increased by maintaining proper operating conditions and understanding the relative contribution of heat transfer by conduction and convective modes.…”
Section: Introductionmentioning
confidence: 99%
“…[3] Its full potential is still unearthed due to the lack in understanding of hydrodynamic behavior under usual operating conditions. Waje et al [4] have studied the thermal performance of a jacketed screw conveyor dryer for the drying of a highly oxidative fine crystalline material in inert atmosphere under vacuum and reported the values of overall heat transfer coefficient and thermal efficiency in the range of 46-102 W=m 2 K and 25-62%, respectively. The thermal efficiency can be still increased by maintaining proper operating conditions and understanding the relative contribution of heat transfer by conduction and convective modes.…”
Section: Introductionmentioning
confidence: 99%
“…To analyze the thermal behavior of the material inside drier a series of simulations were carried out using CFD software, in order to highlight the heating of the same in function: of the temperature of the water passing through the jacket and the shaft of the auger, of the characteristics of the material in terms of chemical characterization, moisture, thermal capacity and thermal conductivity, of the rotation of the auger and therefore the residence time of the sand inside the dryer [7], [8] and [9].…”
Section: Analysis and Discussionmentioning
confidence: 99%
“…9 Waje et al conducted a series of experiments and published several papers about screw conveyor dryer. [10][11][12][13] They investigated residence time distribution (RTD) and mean residence time (MRT) in screw dryer conveyor and found out that with the increasing screw speed, degree of mixing is increased but MRT is decreased. The flow in a screw conveyor dryer approaches plug flow as the feed rate is increased, whereas an increase in the screw speed results in a mixed flow.…”
Section: Introductionmentioning
confidence: 99%