Safety Calorimetry

Safety Calorimetry

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Fauske Emergency Relief Sizing Tool Software

FERST
FERST 2
FERST
Fauske Emergency Relief Sizing Tool Software


Product number     FERST
OEM reference     FERST

The Fauske Emergency Relief Sizing Tool (FERST) powered by CHEMCAD is practical software designed to help you ensure that your chemical processes are adequately protected against overpressure from process upsets and runaway chemical reactions.

FERST is the complete package combining a practical and easy-to-use interface, straightforward calculation methods, the direct use of temperature and pressure rise rates from low ф-factor calorimetry data, industry standard DIERS two-phase flow models, and the material property, thermodynamic, and software development expertise from ChemstationsTM.

GUI functionality improvements
  • File handling
  • Report of results
  • Customizable plotting capability
  • Flow sheet schematic for dynamic simulations 
    • Allows the user to visualize connections between vessels and piping


Access to Chemstations technical support
  • FAI will provide 2nd level support


Materials properties
  • Maintain the ability to use user-specified material properties
  • Each license comes with a license to the DIPPR database
  • Access to pure component properties for 2557 components
  • 40 different thermodynamic models
  • Rigorous mixing models give bulk properties of mixtures
Design relief systems

- Leung-Omega and Fauske all-vapor/gas methods for:
  • Vapor (tempered) systems
  • Gassy (non-tempered) systems
  • Hybrid (tempered with gas generation) systems
  • Non-reactive fire exposure systems

- Built in sanity check using the Fauske screening method
  • Only need to input kinetic data correctly to perform an accurate check
- Leung-Omega method improvements
  • Omega definition options include:
- Leung’s most recent definition
- ISO 4126-10
- CHEMCAD flash calculation
  • A single set of equations for vapor, hybrid, and gassy system mass flux calculations
  • Ability to calculate flow for all-liquid subcooled flow
- Fauske all-vapor/gas method improvements
  • Ability to modify the isentropic coefficient for mass flux calculations
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