Combined experimental thin films, TDDFT-DFT theoretical method, and spin effect on [PEG-H2O/ZrO2+MgO]h hybrid nanofluid flow with higher chemical rate
Source abstract
Abstract
Abstract The higher-order rate of reactions of spinning [PEG-H2O/ZrO2]m mono, and [PEG-H2O/ZrO2+MgO]h hybrid nanofluid on an expanding surface is taken into account in the present investigation. The non-linear flow terms are numerically resolved with Runge–Kutta–Fehlberg of 4–5th order (RKF45) technique. In comparison, the mono and hybrid nanofluids are addressed as enhanced heat transport. It is found that with 1% [MgO]NPs, the thermal conductivity increases by 69.6%. [PEG-H2O/ZrO2+MgO]h enhances the heat transmit rate than [PEG-H2O/ZrO2]m. The nanostructure thin films of [PEG-H2O/ZrO2]m and [PEG-H2O/ZrO2+MgO]h are fabricated by utilizing a spin coating process with a thickness of 200 ± 5 nm/25 °C. The nanofluid thin films are studied using combined experimental and theoretical method (DFT density function theory), including FT-IR (Fourier-transform infrared) spectrum. The results specifically determine that Δ E g O p t (difference energy bandgap) values decrease from 2.294 eV for [PEG-H2O/ZrO2]m to 0.677 eV for [PEG-H2O/ZrO2+MgO]h using the DFT computations. This result concluded that the [PEG-H2O/ZrO2]m transformed from semiconductor to [PEG-H2O/ZrO2+MgO]h as a superconductor hybrid nanofluid by addition (MgO nanoparticles).
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nanofluid Flow and Heat Transfer · Heat Transfer and Optimization · Solar Thermal and Photovoltaic Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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