DETERMINATION of HEAT TRANSFER COEFFICIENTS DURING DRYING of FOODSTUFFS
作者:
C. RATTI,
G.H. CRAPISTE,
期刊:
Journal of Food Process Engineering
(WILEY Available online 1995)
卷期:
Volume 18,
issue 1
页码: 41-53
ISSN:0145-8876
年代: 1995
DOI:10.1111/j.1745-4530.1995.tb00353.x
出版商: Blackwell Publishing Ltd
数据来源: WILEY
摘要:
Heat transfer coefficients during drying of foods were evaluated from drying data and heat and mass balances. Experimental drying curves for slices and cylinders of potato, apple and carrot were obtained in a laboratory dryer under different drying conditions. the specific heat of the foodstuffs was measured as a function of water content and modelled through a linear relationship. Experimental heat transfer coefficients were correlated by the dimensionless expression NuD= 0.249 ReD0.64and compared with predictions of different equations.
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