Applications of Fluidization to Food Processing by Peter G. Smith PDF

By Peter G. Smith

ISBN-10: 0632064560

ISBN-13: 9780632064564

Fluidization is a method that permits reliable debris to tackle a few of the houses of a fluid. regardless of being very normal in the nutrients processing undefined, figuring out of this crucial method is frequently limited.

Applications of Fluidization to foodstuff Processing units out the confirmed concept of fluidization and relates this to meals processing functions, relatively in:
* Drying
* Freezing
* Mixing
* Granulation
* Fermentation

This vital and thorough publication, written through Peter Smith, who has a long time' adventure educating and learning in nutrition processing, is a vital device and reference for meals scientists and technologists, and engineers operating in the meals undefined. Libraries, and examine and improvement teams inside of all universities and examine institutions the place nutrition technology, nutrition reviews, nutrition know-how, physics and engineering are studied and taught must have copies of this beneficial e-book

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Extra info for Applications of Fluidization to Food Processing

Example text

1976), by permission of the Institute of Food Technologists, USA. 21 Fluidization regimes in a centrifugal fluidized bed. From Hanni et al. (1976), by permission of the Institute of Food Technologists, USA. 8 Hz). The plenum was divided into two equal lengths, allowing different drying conditions in the feed zone and the discharge zone of the bed respectively. Air passed through the perforations of the drying cylinder and left the plenum to be reheated and recirculated. Mechanical details of sealing the air flow and the control of air velocity are also given.

With kind permission of Springer Science and Business Media. turbulent eddies within which energy is dissipated and which creates a force on the particle known as form drag. The total force acting on the particle because of the fluid flow is then the sum of form drag and the viscous drag over the surface. A particle falling from rest, through a fluid, under gravity, will accelerate until it reaches a constant velocity known as the terminal falling velocity ut. This velocity can be determined by balancing the product of particle mass and acceleration, the particle weight (mg) which pulls the particle down under gravity, the upthrust due to the fluid displaced as the particle falls (m′g) and the drag force (F) acting against the particle weight.

The rapid particle movement in a fluidized bed leads to its use in particle mixing but is also essential in all other applications of fluidization. However, the mixing mechanism is opposed by segregation, where the concentration of one component increases at the bottom of the bed. Particle size has only a slight influence upon segregation 20 Applications of Fluidization to Food Processing (unlike in mechanical mixers). However, segregation increases markedly with the difference in density between two components.

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Applications of Fluidization to Food Processing by Peter G. Smith


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