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Numerical Solution for Determining the Temperature and Moisture Distributions of Rectangular, Cylindrical, and Spherical Objects During Drying

Journal of Engineering Physics and Thermophysics, ISSN: 1062-0125, Vol: 91, Issue: 4, Page: 895-906
2018
  • 18
    Citations
  • 0
    Usage
  • 8
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    18
    • Citation Indexes
      18
  • Captures
    8

Article Description

A simultaneous heat and mass transfer model for convective drying of moist food materials has been developed. Cartesian, cylindrical, and spherical coordinate systems are taken for the analysis, as food materials dried in industries are of different shapes. The governing transient partial differential equations describing heat and mass transfer are discretized, using the finite difference method, and sets of algebraic equations are obtained. The diffusion coefficient is a temperature function, and, therefore, the heat and moisture transfer equations are solved simultaneously. A MATLAB computer code is developed to solve them. Transient temperature and moisture profiles during convective drying are estimated. The present results are compared with the existing experimental data, and it is observed that there is good agreement.

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