Mitigating Climate Change by the Development and Deployment of Solar Water Heating Systems
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Solar energy is becoming an alternative for the limited fossil fuel resources. One of the simplest and most direct applications of
this energy is the conversion of solar radiation into heat, which can be used inWater Heating Systems. Ogun State in Nigeria was
used as a case study.The solar radiation for the state was explored with an annual average of 4.775kWh/m2 recorded.The designed
system comprised storage tanks and the collector unit which comprises wooden casing, copper tube, and aluminium foil. Test
results for the unlagged and lagged storage tanks for water temperature at various angles of inclination (2.500∘–20.000∘) were on
the average 27.800∘C and 28.300∘C, respectively, for the inlet temperature and 60.100∘C and 63.000∘C for the outlet temperature,
respectively.The efficiency of the SolarWaterHeating Systemwas 72.500%and the power saved 2.798kW.The cost of the unit is put
at 1121,400 ($145) as at August 2012.The unit developed can be applied for the purpose of reducing the cost of energy, dealing with
environmental challenges, and improving the use of energy, hence serving as a climate mitigation process as this can be extended
for water heating for domestic and other industrial purposes
Keywords
T Technology (General), TK Electrical engineering. Electronics Nuclear engineering