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Thermoelectric and Thermoacoustic Technologies for Food Refrigeration

Journal: International Journal of Advances in Agricultural Science and Technology (IJAAST) (Vol.1, No. 1)

Publication Date:

Authors : ; ; ;

Page : 71-75

Keywords : Thermoelectric; Thermoacoustic; Peltier effect; Food refrigeration;

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Refrigeration has become an important part of the food industry. It is used in all stages of the chain, from food processing, to distribution, retail and final consumption in the home. The food industry employs both chilling and freezing processes where the food is cooled from ambient to temperatures above 0 °C in the former and between −18 °C and −35 °C in the latter to slow the physical, microbiological and chemical activities that cause deterioration in foods. In these processes mechanical refrigeration technologies are invariably employed that contribute significantly to the environmental impacts of the food sector both through direct and indirect greenhouse gas emissions. To reduce these emissions, research and development worldwide is aimed at both improving the performance of conventional systems and the development of new refrigeration technologies of potentially much lower environmental impacts. This paper provides a brief review of both current state of the art technologies and emerging thermoelectric and Thermoacoustic refrigeration technologies that have the potential to reduce the environmental impacts of refrigeration in the food industry.

Last modified: 2020-05-15 20:16:50