Abstract
Spinach fresh leaves have been utilized in the biosynthesis of zinc nanoparticles, just as the arrangement of nano fluid. The biosynthesized nanofluid in a helical loop heat exchanger was studied for heat transfer rate and discussed the effects of Nusselt number, heat transfer coefficient and friction factor at research facility of NIT, Raichur. The di-ionized fluid flowing through the helical coil is kept at constant temperature of 60 °C and biosynthesized zinc nanofluid flows through the shell side and the inlet temperature is maintained at 32 °C. A dean number in the range of 1000–3000 for laminar flow and 3000–8000 for turbulent flow was set to lead investigate at shell side. A heat transfer examination has been done considering stream rate, heat transfer coefficient, and thermal performance factor. The results of di-ionized fluid and biosynthesized nanofluid has been compared and validated with the equations proposed by other researcher.
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