in water. Some disadvantages of cooking vessels of this nature are that they are expensive to manufacture due to the necessity for a brazing and welding operation, they present a somewhat bulky appearance in contrast to thin-walled cooking vessels often used in the kitchen and they cannot be ...
and it is classified as Grade B. The importance of the first and second figures of merits are compared with other box-type solar cookers inTable 1. The Majority of the BTSC absorber plate area of 0.49 × 0.54 m2is made up of copper plate at a thickness of 0.002 m used for absorbing ...