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Simulate hydraulic systems and prevent waterhammer

| By Mary Page Bailey and Gerald Ondrey

The Impulse 9 software suite (photo) was designed to enable engineers to better understand hydraulic systems during deviations from steady state by providing waterhammer and surge analysis, which helps to mitigate failures and avoid downtime. New features included with the Impulse 9 release include: a redesigned gas-accumulator window to improve usability; the ability to add new features, such as liquid height calculation; improved multi-scenario graphing to compare and animate design alternatives with different time steps; options to convert shear rheometer data for Power Law and Bingham Plastic viscosity models; and the Herschel-Bulkley viscosity model for shear thinning or thickening fluids with a yield stress. — Applied Flow Technology (AFT), Colorado Springs, Colo.