STEAM COOKER
This appliance is build with a large surface area for collecting sunshine which is transformed into steam.
The steam produced spreads upwards into the uppermost space where the cooking pot is placed on a highly insulated container.
The construction allows maximum solar energy collection because the collector is quite open. However the energy absorption of this appliance is relatively low and its maximum temperature is 100 degrees centigrade.
FIXED-FOCUS SOLAR COOKER
Fixed-focus solar cookers have fixed parabolic mirrors placed parallel to the earth’s axis. The focal length lies out of the mirror and when the curve is well calculated the focal point will fall on the area where the pot is placed.
The metabolic lies on a particular system and will adjust automatically to the sunshine. The pot space is protruding such that some other fuel can be used to heat the cooking pot incase the sun fails. Here the power produced is directly dependent on the size of the mirror.
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