HEAT TRANSFER RESEARCH, sa.12, ss.15-37, 2023 (SCI-Expanded)
This study concentrates on investigating the implementation of a heat pipe system experimentally and theoretically by simulating a novel heat pipe model employing the MATLAB/Simulink (R) program, R2021a, using nanofluids obtained by adding 0.5 wt.% and 1 wt.% nickel ferrite, iron oxide, and ferric oxide magnetic nanoparticles to distilled water. A thermal-network dynamic representative was suggested to illustrate the thermal behavior of the heat pipe. The simulated system was capable to indicate the transient demeanour and steady-state temperature of the two-phase closed thermosyphon accurately. The experimental and simulated outcomes demonstrated that the best performance was accomplished using NiFe2O4/DW magnetic nanofluid with a proper deviation of +/- 3.52%. Furthermore, the efficiency, thermal resistance, and Nusselt number of the system were boosted by approximately 22.24%, 9.3%, and 51.9% while utilizing NiFe2O4 magnetic nanofluid corresponding to distilled water at 1 wt.%. A feedback control PID approach is assumed to perform a response within a fraction of a second as well as zero overshoot. The originality of the study is to experimentally and theoretically reveal the thermal behavior of NiFe2O4 containing Ni and Fe and the thermal behavior of the only Fe-containing nanofluid compared to the nanofluids obtained with magnetic particles such as Fe2O3 and Fe2O4.