Glasscoat International
Modelling the Infra-Red Pre-Heating Stage of a Coating Curing Process
Modelling the Infra-Red Pre-heating Stage
Glasscoat International required a detailed understanding of the conjugate heat transfer processes which take place during their cold curing process. °®¶¹´«Ã½app provided bespoke training and a modelling methodology to enable them to implement CFD and investigate a number of design iterations.
Challenge
Effective design of the process used by Glasscoat International required a detailed understanding of the conjugate heat transfer processes which take place during this stage of the process. °®¶¹´«Ã½app was commissioned to provide bespoke training and a modelling methodology to enable them to implement CFD and investigate a number of design iterations.
Solution
°®¶¹´«Ã½app initially developed a CFD model of the infrared production process based on supplied geometry and operating parameters using ANSYS CFX. The process required modelling of the rotating coated workpieces as they moved through the infa-red tunnel, as well as a suitable model of the combined radiative and convective heat transfer phenomena.
A transient CFD model was developed, with a sliding mesh interface used to model the rotary motion of the workpieces, and CFX Expression Language was used to implement time-varying boundary conditions on the tunnel walls to simulate the translational movement of the workpieces relative to the hot infra-red panels without the need for additional computationally expensive mesh motion. In order to accurately model the heat transfer phenomena the MonteCarlo radiation model was implemented which has the ability to model radiation in semi-transparent media.
The computational investigation conducted has allowed Glasscoat International to offer the technology to the glass and other substrate markets. Without the training and modelling techniques developed by °®¶¹´«Ã½app, it would have been extremely difficult to predict the behaviour of the IR pre-heat oven.
Glasscoat International
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Business Benefits
°®¶¹´«Ã½app allowed Glasscoat International to develop computation models of a IR based Pre-Heat curing oven prototype. With the implementation of the CFD based models, design parameters could be indentified at the design stage, including IR emitters energy levels, accurate understanding of convection heat currents within the boundaries of the oven and temperature distribution.
- Delivery of a flexible, robust methodology for modelling client’s production process.
- Client was equipped with the tools and skills to enable them to develop their own models and analyse future designs.
- By adopting CFD modelling techniques, the client benefitted from cost and time savings of virtual prototyping over expensive iterations of physical prototype builds.
- Design improvements based on a detailed description of physical processes, attainable only through CFD modelling.
The training and execution was professional and exceeded the requirements set in the original brief, with extensive communication via meetings, e-mails and telephone conversations. The use of computational tools for engineering application can offer significant commercial advantage.
Glasscoat International
About Glasscoat International
Glasscoat International specialise in the colour coating of glass containers, and supply bespoke production machinery to customers worldwide.
ANSYS
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Ansys Mechanical is a finite element analysis (FEA) software used to perform structural analysis using advanced solver options, including linear dynamics, nonlinearities, thermal analysis, materials, composites, hydrodynamic, explicit, and more.
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