Analysis of the thermo-fluid dynamics of a paint shop’s hot water distribution network
Futurities Year 20 n°1
By Luca Zanellato, Matteo Caldaroni - SimulHub
This article describes an analysis of the performance of a hot water distribution piping network consisting of a main boiler and various utilities inside an automotive paint shop based in France. The simulation is performed using Flownex, a CFD (computational fluid dynamics) software with concentrated parameters.
A paint shop is powered by several energy sources (hot and cold water, natural gas, electricity, and compressed air) that serve to drive the applications of surface treatments to the car body from the pre-treatment phases to the actual painting. The energy is delivered to different components (process tanks, air supply units, oven heating units) via a complex network of pipes. This study focuses on the hot water distribution system.
Traditional spreadsheets cannot manage the whole system and lead to excessive approximations and greater possibilities of error. Flownex enabled the complete system to be studied under various operating conditions using a one-dimensional model with concentrated parameters.
Flownex software can easily manage the complexity typical of engineering plants and will also be used in other areas of the automotive paint shop.
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CASE STUDY
This paper presents the RENAULT F1 Team’s AM process for an aerodynamic insert in titanium Ti6Al4V. Production was optimized by identifying the best orientation for the parts and the best positioning for the support structures in the melting chamber, in addition to using the ANSYS Additive Print module, a simulation software useful for predicting the distortion of a part and for developing a new, 3D, compensated model that guarantees the best “as-built” quality.
automotive additive-manufacturing optimization
