Box-type energy storage

Can a box-type solar cooker be used as a thermal energy storage system?

Similarly, an experimental test on a box-type solar cooker linked with an alternative thermal energy storage system was conducted. The outcome showed that when a black stone was utilized as a thermal energy storage material, the first figure of merit (F1) increased from 0.115 to 0.1349, and when concrete was applied, it improved to 0.1238.

Can a box type solar cooker save energy?

Also the experimentation to increase the thermal energy storage capacity of the box type solar cooker using PCM (paraffin) as medium showed very beneficial for energy conservation. The food cooked in solar cooker can be kept hot for 3–4 h with the help of PCM medium.

Why are box-type solar cookers rated 'a'?

As per the Indian standard for testing of box type solar cooker, the improved box-type solar cookers in all condition are found to be grade ‘A’ due to the fact that the first figure of merits (F 1) is greater than 0.12. Also the thermal energy storage materials used gives a remarkable storing capacity.

How do heat storage materials store energy?

Thermal storage materials store energy by increasing their internal energy by sensible heating, phase shift, thermochemical reactions, or a combination of these processes . Figure 3 represents the simple categorization of heat storage materials used as heat storage. Categorization of Heat storage materials for solar cooker

What is box type solar?

Box type solar was fabricated by Reddy et al. using commonly available materials (GI sheet, wood, fiberglass, etc.) to cook food for 2–4 people in an off sunshine hour using PCM (Paraffin wax).

What is a box type solar cooker?

Box type of solar cookers is easy to operate,simple in design and portable in nature which makes it more acceptable and popular than the other solar cookers . A major shortfall associated with box-type solar cookers is a time of cooking with available sunshine hours it takes 2 to 3 h to cook .