Vaccine Transport Kit using Mini DC Rotary Compression Refrigeration System

Elmer B. Dollera; Rochelle Mae L. Torres; Kristian Jon A. Dotdot; Godofredo B. Dollera Jr.; Lucelle Mara Escol; Winston Bacsarpa; Earl Vergil Ordiz

doi:10.36948/ijfmr.2024.v06i05.27041

Vaccine Transport Kit using Mini DC Rotary Compression Refrigeration System

Author(s)	Elmer B. Dollera, Rochelle Mae L. Torres, Kristian Jon A. Dotdot, Godofredo B. Dollera Jr., Lucelle Mara Escol, Winston Bacsarpa, Earl Vergil Ordiz
Country	Philippines
Abstract	Refrigeration compressors powered by direct current electrical energy have been banished to mobile refrigeration systems, where batteries are the source of power. Mobile refrigeration and portable cooling have been re-energized creating new opportunities for innovative appliances that do not rely on grid power. These portable refrigeration systems may be applied to medicinal transport kits which have capabilities to cool vaccines. Vaccines are susceptible to heat and light. In this case, they require low storage temperature that would range between 2°C to 8°C. The primary aim of this study is to make use of a mini rotary compressor that will be used for a medical transport kit which can cool vaccines in transit to remote and mountainous off grid areas. The compressor is fitted into a vapor compression refrigeration system using tetraflouroethane as refrigerant. The system used a dc rotary compressor with 56.0 mm in diameter, 78.0 mm in height, and weighs 600.0 grams. The rotary compressor has a rolling piston design with a displacement of 1.40 milliliters and is powered by a high-torque brushless 24V DC motor. The design is very small, lightweight, and relatively high in cooling effect. The rotary compressor is powered by a battery and controlled with a potentiometer to vary the angular velocity. It was observed that the optimal cooling effect for vaccine kit operating the system is with the 3,000 rpm and with the capillary tube hydraulic diameter of 0.91 mm. For efficient performance, this design is adaptable to variable speed operation up to 6,000 rpm.
Keywords	Coefficient of performance, Rotary compressor, Portable cooling, Vaccine kit, Vaccine preservation.
Field	Engineering
Published In	Volume 6, Issue 5, September-October 2024
Published On	2024-09-06
Cite This	Vaccine Transport Kit using Mini DC Rotary Compression Refrigeration System - Elmer B. Dollera, Rochelle Mae L. Torres, Kristian Jon A. Dotdot, Godofredo B. Dollera Jr., Lucelle Mara Escol, Winston Bacsarpa, Earl Vergil Ordiz - IJFMR Volume 6, Issue 5, September-October 2024. DOI 10.36948/ijfmr.2024.v06i05.27041
DOI	https://doi.org/10.36948/ijfmr.2024.v06i05.27041
Short DOI	https://doi.org/gwfgtp

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Vaccine Transport Kit using Mini DC Rotary Compression Refrigeration System

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