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 publication is to supply the entire appropriate most modern info 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 extensive to aid either the scholars (undergraduate, pos- graduate, learn students) and the pros (consulting, layout, contracting firms). The 3rd quantity discusses the heating, agricultural and photovo1taic purposes of solar power. bankruptcy 1 offers with sun cookers, one of many very important program quarter for constructing international locations. After discussing the heritage of sunlight cookers, 8 kinds of direct sun cookers, varieties of field sunlight cookers and kinds of complicated sunlight cookers are mentioned intimately. The functionality reviews carri~d out on direct style and on field style sun cookers also are offered. A try out method for score a field style sun cooker can also be brought. the restrictions and merits of varied cookers are mentioned in brief 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 a protracted heritage and during this bankruptcy quite a few form of sunlight stills like traditional sun nonetheless, tilted tray sun nonetheless, wick kind sunlight nonetheless, a number of influence diffusion sunlight nonetheless, multistage flash distillation, etc.
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Additional info for Advances in Solar Energy Technology: Volume 3 Heating, Agricultural and Photovoltaic Applications of Solar Energy
This pin engages with anyone of the holes in the strip. The mirror t i l t is set by slightly lifting the bar, which disengages from the pin, adjusting the t i l t to the desired position and allowing the bar to drop back reengaging to the pin. Disengagement can not be caused by the wind. The cooker is shown in fig. 11. cm. 5 watts for a solar intensity of 1 KW/m2 for 100 CHAPTER 1 percent reflectivity. The mirror reflectivity is about 82 percent giving 55 watts per mirror. Actual observations on this cooker have shown that ~t gives about 550 watts.
AS DEVELOPED BY GARG(INDIA) It was observed that maximum temperature in the cooker reaches to 17SoC in summer season and 14SoC in winter season on clear days at Jodhpur. The cooker requires adjustment after every 30 minutes towards the sun. 0 hours respectively. Moreover two dishes can be cooked simultaneously in the cooker which may take slightly longer time as compared to single dish. Thus both lunch and dinner within the period of sun up hours can be prepared. The food remains warm even at the time of dinner.
Temperatures as h i g has 2 20°C 0 n c I ear day s can e a s i I y b e 0 b s e r v e d . This oven was further modified and extensive trials were conducted by Telkes and Andrassy. The body of the modified solar oven consists of a well-insulated semicylindrical form, made of sheet aluminium, sheet steel, galvanised iron. Two shells are made and the space between them is filled with insulating materials . The interior shell is painted black, using heat resistant paint. Aluminium sheet is not painted since this will help in concentrating solar radiation on to the pot .