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An Improved, Easily Implementable, Porous Media Based Model for Deep-Fat Frying: Part I: Model Development and Input Parameters

Paper ID Volume ID Publish Year Pages File Format Full-Text
19492 43070 2007 11 PDF Available
Title
An Improved, Easily Implementable, Porous Media Based Model for Deep-Fat Frying: Part I: Model Development and Input Parameters
Abstract

A fundamental-based model of the frying process that can also be solved in a commercially available software would provide tremendous benefit to design of fried food products and frying processes by making the power of simulation available for design. Quality and safety issues such as crust development, oil pickup and acrylamide formation can be addressed with such a model. However to achieve the above without sacrificing the fundamental physics behind the process, significant reformulations are needed, that require mathematical as well as physical insight into the process. An improved multiphase porous media model involving heat and mass transfer has been developed and solved numerically with careful consideration given to selection of input parameters. Non-equilibrium formulation for evaporation is used which describes the physics better and is easier to implement in a typical CFD software as it can explicitly express the evaporation rate in terms of concentration of vapor and temperature. External heat transfer and mass transfer coefficients are estimated to accurately reflect the different frying phases, i.e., the non-boiling phase and surface boiling and falling rate stages in the boiling phase. This paper discusses model development, while the results, validation and the sensitivity analysis are presented in the companion paper.

Keywords
transport phenomena; multiphase; porous media; evaporation; non-equilibrium; oil pickup; acrylamide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 85, Issue 3, September 2007, Pages 209–219
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us