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Parametric study on the bulk hydraircooling of spherical food products

Rao, Narasimha KV and Narasimham, CSVL and Murthy, Krishna MV (1993) Parametric study on the bulk hydraircooling of spherical food products. In: AIChE Journal, 39 (11). pp. 1870-1884.

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Abstract

A numerical study of the bulk hydraircooling of spherical food products is performed using the technique of spraying chilled water to form a thin film over the food products while blowing cold unsaturated air in the countercurrent or cocurrent direction. This precooling process is found to combine the advantages of hydro-and air cooling.Governing equations describing the simultaneous heat and mass transfer occurring in the hydraircooling process for both counterflow and parallel-flow arrangements are solved using finite-difference numerical methods. A parametric study is performed to determine the effect of important processing parameters on the process time. It is generally observed that higher quantities of spray water, air-mass flow rate and product thermal conductivity, as well as lower values of water temperature will result in faster rates of cooling. For the same operating conditions, parallel-flow arrangement leads to higher plant capacities.

Item Type: Journal Article
Additional Information: The copyright belongs to American Institute of Chemical Engineers.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 17 Nov 2005
Last Modified: 27 Aug 2008 11:33
URI: http://eprints.iisc.ernet.in/id/eprint/4024

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