Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
Data Transition from 3D to 1D Simulation for Underhood Analysis of Cooling System
Submission Author:
Ricardo Silva , SP
Co-Authors:
Rogério Gonçalves dos Santos, Ricardo Silva
Presenter: Ricardo Silva
doi://10.26678/ABCM.COBEM2017.COB17-2120
Abstract
The employment of 1D simulation via block diagram and 3D simulation using CFD (Computational Fluid Dynamics) is usual in the main centers of development at automotive industry in the World, when it is applied on underhood analysis, for cooling systems sizing. The present work aims to show a 1D model and its data extracted from a 3D model which was simulated via CFD and deals on the transition of these data. Although CFD simulation has sophisticated resources of calculation, in terms of fluid mechanics and heat transfer, it is known that this kind of simulation requires substantial quantity of time to prepare models and resources of data processing, such peculiarity is not observed on 1D simulation. However 1D method cannot get simulate the aerodynamics effects of air flux from the ambient passing through opened grilles, the underhood until the outlet of the engine compartment. Therefore 1D method of calculations needs a complementary help of CFD in terms of fluid mechanics results reducing the time of processing and leaving the thermal analysis for 1D calculation. The results obtained by this kind of approach have shown rather accuracy with experimental data what reinforces the best practices of engineering in terms of low cost and time of development.
Keywords
Simulation, Cooling system, Discretization, Heat exchanger, Thermal Analysis
