Utilization of Al/SiO۲ Reaction in Self-Heating Cylinder to Warm up Beverages

With the advancement of technology, food packaging has gradually changed to make changes for the consumer's convenience. Self-heating packages allow customers to heat drinks by using exothermic reactions. In this study, a cylinder made of ۳۱۶L stainless steel was used to heat ۲۰۰ mL tea and ۲۰۰ mL low-fat pasteurized milk using silicon dioxide and aluminum reactions. For this purpose, after pouring the reactive material and closing the cylinder lid, the heating process began by placing it inside the beverage. As a result, the temperature inside the cylinder after ۸۲ s (۱ minute and ۲۲ s) increased from ۲۸.۱ °C to ۱۲۲.۶ °C and this amount of heat led to an increase in the temperature of the tea from ۲۶.۳ °C to ۴۰.۹ °C in ۲۷۷ s (۴ min and ۳۷ s). Also, after ۵۶۳ s (۹ min and ۲۳ s), the milk temperature increased from ۲۴.۸ °C to ۳۸.۱ °C. Then, the heating of the cylinder containing this reaction inside the mentioned beverages was simulated and modeled using COMSOL Multiphysics software. It has been determined that the experimental data and simulated models were properly fitted.

کلیدواژه ها:

Self-heating ، Exothermic Reaction ، Kinetics ، Simulation