Thermal performance of a central annular cavity vessel with fins of a box-type solar cooker

Figures & data

Figure 1 Box-type solar cooker with conventional cooking vessel on lugs.

Figure 2 Conventional vessel with flat base (V₁).

Figure 3 Cooking vessel with central annular cavity (V₂).

Figure 4 Annular cavity vessel with fins (V₃).

Figure 5 Temperature variation with time for conventional vessel on floor.

Figure 6 Temperature variation with time for conventional cooking vessel on lugs.

Figure 7 Temperature variation with time for annular cavity vessel on lugs.

Figure 8 Temperature variation with time for annular cavity vessel with fins on lugs.

Figure 9 Temperature variation of pot water with time for different vessels.

Figure 10 Comparison of the temperature profile of annular cavity vessel with that in the literature.

Figure 11 Temperature variation with time for an annular cavity vessel on different heights of lug.