By H.P. Garg
This quantity is the 3rd within the sequence of the booklet entitled, 'Advances in solar power Technology'. the aim of writting this a number of quantity booklet is to supply all of the proper newest info within the box of solar power (Applied in addition to theoretical) to function the simplest resource fabric at one position. makes an attempt are made to debate themes intensive to aid either the scholars (undergraduate, pos- graduate, study students) and the pros (consulting, layout, contracting firms). The 3rd quantity discusses the heating, agricultural and photovo1taic functions of solar power. bankruptcy 1 bargains with sun cookers, one of many very important software region for constructing international locations. After discussing the historical past of sunlight cookers, 8 sorts of direct sunlight cookers, sorts of field sunlight cookers and sorts of complex sun cookers are mentioned intimately. The functionality stories carri~d out on direct kind and on field style sun cookers also are awarded. A try technique for score a field kind sunlight cooker is usually brought. the constraints and benefits of assorted cookers are mentioned in short within the bankruptcy. Desalinated water for ingesting reasons, for commercial and agricultural functions is needed. the subject of sun Distillation is mentioned intimately in bankruptcy . sun Distillation has an extended historical past and during this bankruptcy numerous type of sunlight stills like traditional sun nonetheless, tilted tray sunlight nonetheless, wick variety sun nonetheless, a number of influence diffusion sun nonetheless, multistage flash distillation, etc.
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Extra resources for Advances in Solar Energy Technology: Volume 3 Heating, Agricultural and Photovoltaic Applications of Solar Energy
The vertical axis comprises two concentric water pipes, one of which is inserted about 40 cm into the ground to improve stability. It has two angel-iron feet at right angles welded on and resting on the ground. The horizontal axis passes through the tubes of the rotating frame. The rotating frame is also made of iron tubes(water pipe at the bottom, thin walled conduit pipe for the sides) with a building iron ring-similar to those used for the mirrors to act as pot holder. The clamp of the t i l t adjustment comprises a flat-iron strip having a large number of holes along its length.
This solar cooker, which is relatively simple in construction, absorbs direct and diffuse solar radiation and does not require adjustments towards the sun, consists of two parts; an optimized tubein-plate type of flat-plate collector and an insulated steam cooker. m. (120 x 75 cm) consists of a wire would steel fin of 28 gauge thick with steel pipe of 19 mm diameter spaced at 25 cm centres. Two glazings are used over the flat-plate collector. The steam cooker fixed at the top consists of a double walled insulated cylinderical box made out of 24 gauge galvanized iron sheet.
The angle of the strip, an' to get concentration, can be calculated with the help of the following formula: 1 2 (--F Where RN is the distance of the strip from the centre of the reflector and F is the focal length. This step reflector is mounted on a stand for its manual adjustment towards the sun. The cooking pot can be placed on a wire netting fixed to a steel ring. 0 litre of water comes to boiling point within 30 minutes under clear and calm sky conditions. The actual cooking trails are also conducted and it was found that all types of dishes can be prepared under very clear sky conditions.