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AFT - Version Impulse 9 -Waterhammer & Surge Analysis Software
AFT Impulse is a powerful dynamic simulation and analysis software used to calculate pressure surge transients in liquid piping systems caused by waterhammer. Easily model a wide range of system components and surge devices. Understand the transient response of your system, knowing how valves, pumps and other components will dynamically interact with each other. Evaluate the effect of pressure surges due to vapor cavity collapse by modeling vapor cavitation and liquid column separation. Validate the design of safety features to produce safer, more economical pipe systems.
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- Avoid potentially catastrophic effects of waterhammer and other undesirable system transients
- Prevent transient pressure issues by properly sizing and locating surge equipment, such as surge tanks, gas accumulators, and relief valves
- Initiate transients based on time or events in the system
- Reduce surge magnitudes by adjusting system component transients such as valve closure time or pump speed
- Easily animate and visualize a waterhammer event to improve fundamental understanding
- Calculate transient unbalanced forces and define forces sets as location pairs or single points
- Specify design alerts that automatically highlight output values that are out of range for flow, peak pressure, velocity, and more
- Compile libraries of your frequently used piping components and quickly select them from a drop down list
AFT Impulse is designed for systems containing the below fluids and more:
- Water
- Petroleum and refined products
- Chemicals
- Cryogens & Refrigerants
- Ensure pressure extremes are within design allowables
- Size and locate surge suppression equipment
- Determine imbalanced pipe forces and sizing structural supports
- Troubleshoot existing systems to determine the cause of operational problems
- Evaluate the effect of pressure surges due to vapor cavity collapse
- 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