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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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 |
|---|---|
| Publication: | AIChE Journal |
| Publisher: | American Institute of Chemical Engineers |
| 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.ac.in/id/eprint/4024 |
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