Fig 1.
SEM Image of SiO2 nanoparticles of average size 15nm.
Fig 2.
Schematic diagram of the test setup.
Fig 3.
Variation of 30GW and SiO2 nanofluid TC with temperature.
Fig 4.
Variation of 30GW and SiO2 nanofluid specific heat with temperature.
Fig 5.
Variation of 30GW and SiO2 nanofluid and density with temperature.
Fig 6.
Variation of 30GW and SiO2 nanofluid viscosity with temperature.
Fig 7.
Variation of viscosity to TC Enhancement Ratio, Eq. (7) with temperature.
Fig 8.
Comparison of SiO2 nanofluid Mo ratio for two concentrations with temperature.
Fig 9.
Comparison of turbulent water data with standard relations in the literature.
Fig 10.
Comparison of 0.5% concentration SiO2 nanofluid dispersed in water and 30GW.
Fig 11.
Variation of pressure drop across the test section.
Fig 12.
Variation of friction factor of the three fluids at different velocities.
Fig 13.
Correlation heatmap for (a) Friction factor (b) Nu number.
Table 1.
Descriptive statistical analysis.
Fig 14.
(a) XGBoost predicted vs. actual (b) MGGP predicted vs. actual. (c) violin plots for the training phase, (d) violin plots for the test phase. (e) Taylor diagram for the training phase (f) Taylor diagram for the test.
Fig 15.
(a) XGBoost predicted vs. actual (b) MGGP predicted vs. actual (c) violin plots for the training phase, (d) violin plots for the test phase (e) Taylor diagram for the training phase (f) Taylor diagram for the test phase.