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전원표(W. P. Chun),이기우(K. W. Lee),박기호(K. H. Park),이계중(K. J. Lee),황휘우(H. W. Hwang) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.5
An experimental study was carried out on the drying characteristics of organic sludge particles in rotary dryer. The effect of various operating parameter such as feed rate, particle size, hot air<br/> temperature, and velocity on the drying rate was analysed. The results showed that the evaporation velocity was increased by 22~27% when the hot air temperature changed from 160℃ to 270℃ in the constant drying rate period. In particular, the empirical formula was obtained, which was the volumetric heat transfer coefficient from the relationship between panicles and hot air stream.