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Heat Transfer Analysis of Sterilization of Canned Milk Using Computational Fluid Dynamics Simulations
Prateek, D. and Chhanwal, N. and Anandharamakrishnan, C. (2013) Heat Transfer Analysis of Sterilization of Canned Milk Using Computational Fluid Dynamics Simulations. Journal of Food Science and Engineering, 3. pp. 571-583.
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Abstract
A uniform and effective heat distribution inside the canned milk is very crucial for achieving effective sterilization. It is extremely difficult to establish the temperature profile inside the canned milk during continuous industrial scale operation. Computational fluid dynamics (CFD) simulation can be a useful tool to determine the temperature distribution of the fluid inside the can during the sterilization process. A CFD model was developed for the sterilization of canned milk at 121 °C. The simulation results were validated with the experimental measurements of temperatures. The formation and movement of slowest heating zone (SHZ) during the sterilization process was tracked. Moreover, effect of can position (vertical and horizontal) during processing on milk temperature distribution inside the can was also investigated. Higher Grashof and Rayleigh numbers were obtained for vertical positioning of can compared to horizontal can processing. Further, effectiveness of the process was calculated based on F-value and these results reinforced the positive effect of horizontal position of can during the sterilization process.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | CFD, horizontal, sterilization, canned milk. |
| Subjects: | 600 Technology > 08 Food technology > 27 Dairy products 600 Technology > 08 Food technology > 07 Food Engineering |
| Divisions: | Food Engineering |
| Depositing User: | Food Sci. & Technol. Information Services |
| Date Deposited: | 26 Sep 2016 10:29 |
| Last Modified: | 26 Sep 2016 10:29 |
| URI: | http://ir.cftri.res.in/id/eprint/12352 |
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