Abstract
Turbulent flow of nanofluid inside a solar collector has been presented in the current research. Turbulence mixing has been increased with insertion of new turbolentor. Heat transfer and exergy behavior within the test tube equipped with multi-channel twisted tape elements. Al2O3–water nanofluid flows inside the pipe. Absorber plates are made of aluminum. The scrutinized parameters in current paper are number of revolution (N), diameter ratio (D*), Reynolds number (Re), number of channel (n). Better convection heat transfer can be observed for greater values of diameter ratio. Exergy drop declines with increasing scrutinized parameters due to giving strongly swirling flows with rise of them.
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