AFT Impulse 5 Waterhammer & Surge Analysis Software AFT Impulse is a powerful fluid dynamic simulation tool used to calculate pressure transients in piping systems caused by waterhammer. Designed for use in liquid systems containing: Water Petroleum and refined products Chemical products Cryogens Refrigerants And more AFT Impulse is particularly useful for: Ensuring that pressure extremes are within design allowables Sizing and locating surge suppression equipment Determining imbalanced pipe forces and sizing structural supports Troubleshooting existing systems to determine the cause of operational problems Evaluating the effect of pressure surges due to vapor cavity collapse Design and Operate Your System with Greater Safety and Reliability AFT Impulse will help… Avoid potentially catastrophic effects of waterhammer and other undesirable system transients Alleviate possible financial and environmental issues associated with inadequate system designs or operational procedures Prevent events that have serious consequences to life and property Avoid lost revenue resulting from incidents that cause down time Validate the design of safety features Features Advanced transient solver based on Method of Characteristics Built-in steady-state solver to automatically initialize waterhammer transient Detailed pump inertial modeling for trips and start-ups including state-of-the-art, four quadrant methods Built-in library of fluids and fittings Models liquid column separation caused by transient cavitation Extensive cavitation modeling Scenario Manager to track all design variants and operational possibilities in a single model file with data linkage Comprehensive relief valve modeling Integrated graphing and reporting Animation features to dynamically graph transients Create video files from animations to share your results Generates force imbalance files that can be automatically read into CAESAR II ® and TRIFLEX ® pipe stress dynamic models Built-in intelligence to guide you in building better models