Design and Cavitation Prediction for Pumps Using 1D-3D Simulation Methods

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Cavitation is the phenomenon where the local pressure of a moving liquid becomes lower than the vapor pressure, causing vaporization to occur. This phenomenon is extremely detrimental to pump performance and durability, so preventing cavitation is a key objective for pump designers.

In this webinar we present a comparison of methods to reliably design pumps and predict cavitation through state-of-the-art numerical simulation. During the presentation we will show you how to predict critical cavitation parameters such as Net Positive Suction Head (NPSH) to improve the performance envelope of your pump designs. The fast 1D flow solver in AxSTREAM together with its fully parametric design space explorer gives you deep insight into correlations between geometry parameters of your impeller and cavitation behavior. Using this approach designers can:

• Increase the efficiency, lower NPSHr and make better design selections earlier in the process.
• Create 3D geometries with analysis-driven generative engineering.

The webinar will also demonstrate how deploying a design-centric 3D CFD tool like STAR-CCM+ provides a deeper understanding of the complex physical effect of cavitation. The designs created from AxSTREAM will be embedded into STAR-CCM+, providing a direct comparison of the results. By the end of the session, you will learn how a simulation driven design process can help you accelerate project development and achieve high-performing innovative pump designs.

This session will include:

• Introduction to pump cavitation
• Workflow in AxSTREAM to design and analyze a centrifugal pump with a 1D solver
• Workflow in STAR-CCM+ to perform 3D CFD cavitation analysis
• Demo of centrifugal pump design and cavitation prediction in AxSTREAM and STAR-CCM+
• 1D and 3D simulation results comparison

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