By H.P. Garg

This quantity is the 3rd within the sequence of the publication entitled, 'Advances in solar power Technology'. the aim of writting this a number of quantity e-book is to supply all of the proper most recent details within the box of solar power (Applied in addition to theoretical) to function the easiest resource fabric at one position. makes an attempt are made to debate themes intensive to help either the scholars (undergraduate, pos- graduate, learn students) and the pros (consulting, layout, contracting firms). The 3rd quantity discusses the heating, agricultural and photovo1taic functions of solar power. bankruptcy 1 offers with sunlight cookers, one of many very important software sector for constructing nations. After discussing the background of sun cookers, 8 varieties of direct sun cookers, kinds of field sunlight cookers and kinds of complicated sun cookers are mentioned intimately. The functionality experiences carri~d out on direct style and on field style sun cookers also are awarded. A try strategy for ranking a field variety sunlight cooker can be brought. the restrictions and merits of varied cookers are mentioned in short within the bankruptcy. Desalinated water for consuming reasons, for business and agricultural functions is needed. the subject of sunlight Distillation is mentioned intimately in bankruptcy . sunlight Distillation has a protracted heritage and during this bankruptcy quite a few type of sunlight stills like traditional sun nonetheless, tilted tray sunlight nonetheless, wick kind sunlight nonetheless, a number of influence diffusion sunlight nonetheless, multistage flash distillation, and so on.

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Extra info for Advances in Solar Energy Technology: Volume 3 Heating, Agricultural and Photovoltaic Applications of Solar Energy

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The cooking platform is made of hollow sheet metal shell, filled with heat storage material and is blackened to absorb solar radiation. This oven intercept solar radiation directly through window and by reflection from mirrors. Temperature as high as 240°C has been recorded inside this oven near New York city on a clear day. 0 litres of water comes to boiling point from a temperature of 20°C within 30 minutes. Calculations show that this oven is equivalent to 150 watts of electric hot plate. All types of cooking, baking, roasting and boiling can be performed in this oven.

The reflector is composed of a frame work, similar to an umbrella frame, covered with a metallized plastic film laminated to cloth. The reflector looks like a umbrella, when it is opened, with a highly reflective lining. It is made with a light aluminium frame, has 16 ribs, and is covered with aluminized mylar rayon laminated cloth. It is 115 cm in diameter and has focal length of about 60 cm. The reflecting material between adjacent forms a wedge like segment which has a base length of 23 cm between rib tips.

This type of reflector can be easily made. To get high temperature at the focus, large number of concave mirrors can be used as shown in fig. 5(G) where all or individual mirrors can be adjusted to get sharp focus at one point. 5(H) can be used which provides line focus to heat water or oil which can be further used for cooking of food. 5. DIRECT OR FOCUSSING TYPE SOLAR COOKER Direct or focussing type of solar cookers appear to have high potential since these provide higher temperatures so that all the dishes can be produced with them.

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