30 Jan '16, 3am

Another Use for #3DPrinting: Physically Modeling Fluid Flow Trajectory Lines

Another Use for #3DPrinting: Physically Modeling Fluid Flow Trajectory Lines

Computational fluid dynamics (CFD) software is widely used by the mechanical engineering community to determine fluid flow. The most important information is typically how variables such as density, velocity, and temperature change as the fluid flows inside or around a structure. 3D printing allows the creation of models that brilliantly display flow simulations that can be used for product demonstrations or at trade shows to describe designs more vividly. The lines in the model depict the flow of fluids, and different colors indicate changes to key variables. Figure 1 shows a CAD model of a globe valve. The left side has an inlet with mass flow rate defined and the right side indicates atmospheric pressure. Figure 1: CAD model of a globe valve. (Source: GoEngineer) Flow trajectory data are analyzed using images and animations within the CFD software. In Figure 2, the flow...

Full article: http://www.designnews.com/author.asp?section_id=1386&doc_...

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