Keywords

Food industry and trade, Energy consumption, Refrigeration, Refrigerating machinery

Abstract

An investigation into economical energy usage in freeze tunnels was conducted. Freeze tunnels are commonly used in the food processing industry to freeze products, and in some cases may use large amounts of electricity. An actual freeze tunnel was observed and modeled on a computer. A parameter study was conducted. The results of the parameter study indicated the efficiency and energy costs in freeze tunnels may vary widely. Important parameters included the Nusselt number, air temperature, and the ratio of fan work divided by the useful refrigeration effect. Although no single set of optimum conditions were found, methods for improving the effectiveness of freeze tunnels, both in existing and future designs, were discussed. It was also concluded that the ratio of fan work to the freeze tunnel's useful refrigeration effect was a dominant factor in the energy cost of operating a freeze tunnel.

Notes

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Graduation Date

Summer 1980

Advisor

Bishop, Patricia J.

Degree

Master of Science (M.S.)

College

College of Engineering

Format

PDF

Pages

73 p.

Language

English

Rights

Public Domain

Length of Campus-only Access

None

Access Status

Masters Thesis (Open Access)

Identifier

DP0013285

Subjects

Food industry and trade -- Energy consumption, Refrigeration and refrigerating machinery

Collection (Linked data)

Retrospective Theses and Dissertations

Accessibility Status

Searchable text

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Engineering Commons

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