Experimental Analysis of Heat Transfer Enhancement of Nanofluids in a Pipe Flow
Abstract
This research explores the thermal enhancement potential of nanofluids in a pipe flow system through a series of experimental tests. This research investigates the impact of nanofluid concentration, flow rate, and other operational parameters on the heat transfer coefficients of pipe flows. Experiments were conducted in a controlled pipeline system to compare the heat transfer performance of nanofluids and traditional fluids. Heat transfer coefficients, thermal conductivity, and convective heat transfer were measured at various concentrations, flow rates, and temperatures. The results provide valuable insights into the potential of nanofluids to enhance heat transfer in various applications. The experimental data clarified the complex relationships between heat transfer and fluid properties in nanofluid-based systems. Experiments on the data suggest that the highest heat transfer coefficients are achieved for 0.20 vol% GO/water and GO/methanol nanofluids at a heat load of 30 W and fill ratios of 30%, 50%, 70%, and 90%. Conversely, a reduction in the heat transfer coefficient is observed at a heating power of 10 W. The findings are intended to provide insights into the design and optimization of nanofluid-based heat transfer systems, with potential applications in a range of thermal engineering fields.
Keywords: heat transfer, base fluid, nanofluid, Nusselt number, flow rate, viscosity.
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