Abstract:
Refrigerator is a thing that is needed in household. Almost in every
house has refrigerator. It can be used to cool the drink or preserve some
foods. Refrigerator that we usually use has cooling material from
chemical which is unfriendly used for environment. That is freon. In this
research, the writer makes a tool that resemble to refrigerator can cool and
save the food. Which is using component that more friendly for
environment and free from dangerous chemical. This cool box has 7 liter
of capacity and use 2 thermoelectric peltier. Better dissipation of heat on
heatsink side can make more refrigeration on cold sink. In the experiment
of cooling cool box room without any other things inside the room, the
temperature was 10 °C in 90 minutes. To cool the room of cool box with
2 bottles 600 ml of mineral water in inside needed 720 minutes. Then to
cool the room of cool box with 5 bottles 600 ml of mineral water in inside,
it needed 840 minutes. The temperature cool box to cool those bottles was
12, 6 °C.
