Study on heat transfer performance of oscillating heat pipes of nano-fluids based on molecular dynamics

Abstract The heat transfer of nano-fluids in oscillating heat pipes was analyzed from both macroscopic and microscopic perspectives, and a multi-scale model for nano-fluids was proposed. Molecular dynamics was used to study the thermophysical properties and microscopic mechanisms of CuO-water nano-fluids, the boiling phenomenon of nanofluids was simulated by molecular dynamics, and the motion of nano-particles during boiling was analyzed. A multi-scale model of oscillating heat pipe was established, and the macroscopic characteristics of oscillating heat pipe were analyzed based on the microscopic analysis results, and the multi-scale model was verified by experimental research on oscillating heat pipes of nano-fluids.