Download Biological and Bioenvironmental Heat and Mass Transfer (Food by Ashim K. Datta PDF

By Ashim K. Datta

Providing a origin in warmth and mass delivery, this ebook covers engineering ideas of warmth and mass move. the writer discusses organic content material, context, and parameter regimes and offers useful purposes for organic and biomedical engineering, commercial foodstuff processing, environmental keep watch over, and waste administration. The booklet comprises end-of-chapter difficulties and sections highlighting key thoughts and critical terminology It deals cross-references for simple entry to comparable parts and correct formulation, in addition to distinct examples of delivery phenomena, and outlines of actual methods. It covers mechanisms of diffusion, capillarity, convection, and dispersion.

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By Ashim K. Datta

Providing a origin in warmth and mass delivery, this ebook covers engineering ideas of warmth and mass move. the writer discusses organic content material, context, and parameter regimes and offers useful purposes for organic and biomedical engineering, commercial foodstuff processing, environmental keep watch over, and waste administration. The booklet comprises end-of-chapter difficulties and sections highlighting key thoughts and critical terminology It deals cross-references for simple entry to comparable parts and correct formulation, in addition to distinct examples of delivery phenomena, and outlines of actual methods. It covers mechanisms of diffusion, capillarity, convection, and dispersion.

Show description

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Additional resources for Biological and Bioenvironmental Heat and Mass Transfer (Food Science and Technology)

Example text

The quantity ρc p has the units J/m3 ·K and is called the volumetric heat capacity, as can be seen from its units. 8. Two types of densities are used—solid density and bulk density. Distinction between these two densities is important when the material is porous. Solid density (also called mean particle density) is mass per unit volume of just the solid portion in a porous media. Dry bulk density is the mass of the dried solid to its total volume (solids 22 CHAPTER 2. MODES OF HEAT TRANSFER and pores together).

7: A convection boundary condition. 36 CHAPTER 3. 3 vein artery The Bioheat Transfer Equation for Mammalian Tissue Although the general governing equation (Eqn. 4) and its more general versions are valid for most physical systems, it would be hard to apply the equations for a mammalian tissue that has blood vessels of varying sizes and varying amounts of blood flows. In such a system, thermal conductivity, density and specific heat (the thermal properties) would vary significantly over small distances, among other complications.

All rights reserved. 5. TEMPERATURE SCALES will be raised, not whether the temperature is raised by the greenhouse gases. Several research centers throughout the world are working on an accurate prediction of the rise in temperature as a function of human activity. 5 meters because of wide-spread melting at the polar icecaps, leading to disastrous consequences. 1. 6) Whenever temperature differences are involved, one may use either the absolute scale or the relative scale. For example, a temperature difference of 15◦ C is equal to 15 K.

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