Heating Simulation Analysis of Lubrication System at Low Temperature

Abstract

In this paper, star-ccm+ software is applied to simulate the thermal melting of engine oil under low-temperature conditions, and corresponding models are established based on the physical parameters of the fuel tank, antifreeze, lubricating oil, and heating pipe. Single-phase multi-working medium simulation and VOF (volume of fluid) multi-flow simulation were used to model and analyze the various characteristics of the lubricating oil from solidified state to liquid state under the specific box and heating pipe structure. The results showed that the simulation results of the VOF multiphase flow model under the proposed lubrication system were basically consistent with that of the single-phase multi-working medium model. The simulation efficiency could be improved by using the single-phase multi-working medium model. The simulation results of heating melting can provide a reference for the subsequent design and optimization of the heating pipeline.