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Food Freezing and Thawing Calculations
Taschenbuch von Q. Tuan Pham
Sprache: Englisch

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Beschreibung
Freezing time and freezing heat load are the two most important factors determining the economics of food freezers. This Brief will review and describe the principal methods available for their calculation. The methods can be classified into analytical methods, which rely on making physical simplifications to be able to derive exact solutions; empirical methods, which use regression techniques to derive simplified equations from experimental data or numerical calculations and numerical methods, which use computational techniques such as finite elements analysis to solve the complete set of equations describing the physical process. The Brief will evaluate the methods against experimental data and develop guidelines on the choice of method. Whatever technique is used, the accuracy of the results depends crucially on the input parameters such as the heat transfer coefficient and the product's thermal properties. In addition, the estimation methods and data for these parameters will be reviewed and their impacts on the calculations will be evaluated. Freezing is often accompanied by mass transfer (moisture loss, solute absorption), super cooling and nucleation and may take place under high pressure conditions; therefore methods to take these phenomena into account will also be reviewed.
Freezing time and freezing heat load are the two most important factors determining the economics of food freezers. This Brief will review and describe the principal methods available for their calculation. The methods can be classified into analytical methods, which rely on making physical simplifications to be able to derive exact solutions; empirical methods, which use regression techniques to derive simplified equations from experimental data or numerical calculations and numerical methods, which use computational techniques such as finite elements analysis to solve the complete set of equations describing the physical process. The Brief will evaluate the methods against experimental data and develop guidelines on the choice of method. Whatever technique is used, the accuracy of the results depends crucially on the input parameters such as the heat transfer coefficient and the product's thermal properties. In addition, the estimation methods and data for these parameters will be reviewed and their impacts on the calculations will be evaluated. Freezing is often accompanied by mass transfer (moisture loss, solute absorption), super cooling and nucleation and may take place under high pressure conditions; therefore methods to take these phenomena into account will also be reviewed.
Zusammenfassung

Includes supplementary material: [...]

Inhaltsverzeichnis

Preface.- Nomenclature.- Introduction to the Freezing Process.- Heat Transfer Coefficient and Physical Properties.- Introduction.- Analytical Solutions.- Approximate and Empirical Methods.- Numerical Methods.- Modeling Coupled Phenomena.- Conclusions.- References.- Index.

Details
Erscheinungsjahr: 2014
Fachbereich: Chemische Technik
Genre: Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Reihe: SpringerBriefs in Food, Health, and Nutrition
Inhalt: xv
153 S.
23 s/w Illustr.
21 farbige Illustr.
153 p. 44 illus.
21 illus. in color.
ISBN-13: 9781493905560
ISBN-10: 1493905562
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Pham, Q. Tuan
Hersteller: Springer New York
Springer US, New York, N.Y.
SpringerBriefs in Food, Health, and Nutrition
Maße: 235 x 155 x 10 mm
Von/Mit: Q. Tuan Pham
Erscheinungsdatum: 17.04.2014
Gewicht: 0,265 kg
Artikel-ID: 105493815
Zusammenfassung

Includes supplementary material: [...]

Inhaltsverzeichnis

Preface.- Nomenclature.- Introduction to the Freezing Process.- Heat Transfer Coefficient and Physical Properties.- Introduction.- Analytical Solutions.- Approximate and Empirical Methods.- Numerical Methods.- Modeling Coupled Phenomena.- Conclusions.- References.- Index.

Details
Erscheinungsjahr: 2014
Fachbereich: Chemische Technik
Genre: Technik
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
Reihe: SpringerBriefs in Food, Health, and Nutrition
Inhalt: xv
153 S.
23 s/w Illustr.
21 farbige Illustr.
153 p. 44 illus.
21 illus. in color.
ISBN-13: 9781493905560
ISBN-10: 1493905562
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Pham, Q. Tuan
Hersteller: Springer New York
Springer US, New York, N.Y.
SpringerBriefs in Food, Health, and Nutrition
Maße: 235 x 155 x 10 mm
Von/Mit: Q. Tuan Pham
Erscheinungsdatum: 17.04.2014
Gewicht: 0,265 kg
Artikel-ID: 105493815
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