Performance Analysis of Parabolic Solar Collector at Various Operating Conditions

Mechanical Engineering

Nowadays days, many researchers are concern about solar energy systems and they are continuously working on these systems to improve the performance. And they are more concern about solar power plants. In this performance analysis work, cylindrical parabolic solar collector has been chosen. Then useful heat gain rates, fluid outlet temperatures, absorbed fluxes, overall heat loss coefficients, collector efficiency factors, heat removal factors and exergy analyses have been done at different operating conditions. For calculations, different conditions are - instantaneous efficiencies, instantaneous beam radiations, mass flow rates, absorptivity, reflectivity, transmissivity and intercept factor have been taken. Work has been concluded as when instantaneous efficiency increases then heat gain rate, fluid outlet temperature, collector efficiency factor and heat removal factor increase but overall heat loss coefficient decreases whereas when instantaneous beam radiation increases then only heat gain rate, fluid outlet temperature and absorbed flux increase.

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