scholarly journals Evaluation of the forced circulation control logic on a storage tank from an industrial-scale solar water heating system

2019 ◽  
Author(s):  
Luis Fernando Fong López ◽  
Héctor Daniel García-Lara ◽  
Alejandro Gutiérrez Ortiz ◽  
Carlos Alejandro Ramírez Paredes
Keyword(s):  
Storage Tank ◽  
Heating System ◽  
Industrial Scale ◽  
Circulation Control ◽  
Water Heating ◽  
Control Logic ◽  
Forced Circulation ◽  
Solar Water Heating ◽  
Solar Water ◽  
Solar Water Heating System

scholarly journals Experimental Validation of a Forced-Circulation Solar Water Heating System Equipped with Flat-Plate Solar Collectors – Case Study

2020 ◽  
Vol 5 (5) ◽  
pp. 565-570
Author(s):  
Altin Maraj
Keyword(s):  
Flat Plate ◽  
Heating System ◽  
Solar Collectors ◽  
Water Heating ◽  
Forced Circulation ◽  
Solar Water Heating ◽  
Solar Water ◽  
Area Efficiency ◽  
Solar Water Heating System ◽  
Flat Plate Collector

This paper represents the comparison and the validation of results obtained from the simulation, towards the measurements performed in a forced-circulation solar water heating system equipped with flat-plate solar collectors. Polysun tool is used to model and to simulate the considered system during an annual time period. Mathematical models are used to calculate the required sensible heat, thermal yield from the flat-plate collector area, delivered energy to the thermal consumer, efficiency of the collector area, efficiency of the system, and the solar fraction. To validate the model, experimental data recorded in time intervals of 5-minutes in a trial installation are utilized. Statistical test errors (epsilon, MBE, MPE, RMSE, and R^2) are used to compare the values obtained from the simulation and measurements. Between them, a very good fit is noticed.

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