DESIGN AND DEVELOPMENT OF PHASE CHANGE MATERIAL (PCM) BASED MODULE FOR COOLING OF BEVERAGES AND LIQUID FOODS
Loading...
Date
2020-12-27
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
People prefer to drink beverages and liquid foods in chilled state using ice cubes. Ice cubes, prepared using un-hygiene and non-potable water, used for chilling liquids foods pose health risks and reduce taste. Therefore, the present investigation was taken to develop phase change material (PCM) based module for cooling of beverages and liquid foods to replace ice cubes. The module measuring 49 mm in diameter was developed using stainless steel 316 material and cooling performance of the module filled with PCMs (DW, PW, DW+PW, DW+2% salt, DW+4 % salt, DW+2% sugar) was evaluated. Temperature profile of PCM inside spherical module and the sample was monitored during their freezing and cooling. Distilled water attained -19 °C in 195 min and cooled the water by 17 °C during cooling followed by DW+2% (-19 °C in 235 min with temperature drop of 16.4 °C). Performance of the module filled with the DW and DW+2% salt was evaluated for cooling lassi, buttermilk, flavoured milk, orange juice, apple juice, soft drink beer and whisky. The module containing distilled water cooled soft drink with highest temperature drop of about 16.9 o C within five minutes, followed by DW+2% salt (14.9 o C). Chillness of the samples cooled using the module was well above the acceptable sensory score. The developed cooling module is durable, easy to handle and sterilize, simple in design, hygiene and safe to use as compared to ice cubes for cooling beverages and liquids.
Description
Thesis