Research Article

Energy-Environmental One-Year Dynamic Simulation and Ranking Analysis of Using Flat Plate Solar Water Heater to Supply the Heating Demand of an Apartment in the USA: A Comprehensive Review

Table 2

Data required for thermal and economical calculations.

DataType/amount

Heat requirement for space heating10 kW
Heated usable area80 m2
Indoor temperature21°C
Building typeAverage wall thickness
Internal heat gain5 W/m2
Window type2 panes of insulating glass
Space heating operating timesJan. to May & Sept. to Dec.
Hot water consumption110 lit/day
DHW temperature60°C
DHW operating timesAll months
DHW tank300 lit
Space heating tank1000 lit
Collector area20 m2
Azimuth angle
Tilt angleEqual to latitude [38]
FP conversion factor78%
Life span25 year
Specific fuel cost$0.038/m3 [39]
Running cost0.5%/year
Price$200/m2 [40]
Subsidy22% [41]
Interest on capital5% [42]
Reinvestment return2.5%
Cost escalation rateEnergy 3% running cost 1.5%