Q4. A restaurant in Suwaiq requires 85000 Whr of heat during winter season for the month...

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Q4. A restaurant in Suwaiq requires 85000 Whr of heat duringwinter season for the month of January to March to retain aconstant inside temperature of 295 K. If the solar heating systemhas 40 % efficiency, design a storage tank and collector withappropriate size based on the given data. Assume the temperature ofthe hot water at the outlet of the storage tank is 69 0C. Representthe space heating setup with a neat sketch. Under which categorythis type of space heating falls? justify your answer. Also,discuss and analyze the effects on the collector area and the massof water, when the solar radiation changes from every month byconsidering the suitable global solar radiation data?

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AnswerGiven dataHeat required Q 85000 Whr 850003600 joules 306000 kJInside temperature Ti 295 K 295273 C 22 CHot water temperature Th 69 CEfficiency of solar collector 40 040Total time period t 3 months 330 days 90 days8shoursday Assuming that sufficient sun light is for 8 hours perdayHence t 720 hours 720 3600 s 2592000 sAssumptions1Specific heat of the water c 418kJkgC2Density of water 1000 See Answer

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