Process Systems Enterprise Limited
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Advanced Model Library for Pressure Relief Systems

Feature list

AML:PRS - library palette

Some of the AML:PRS library models

The Advanced Model Library for Pressure Relief Systems (AML:PRS) provides a comprehensive capability for the design, analysis and optimisation of blowdown operations and flare networks.

While adhering to the API-520 and API-521 standards, the library has many novel that make it possible to address all depressurisation and flare requirements in a way that has never been possible before.

Scope

  • Flare networks
  • Pressure vessels under depressurisation conditions
  • Main process equipment (seamless interoperability with gPROMS Process Model Library)

Model features

  • Dynamic models with support for flow reversal where appropriate
  • Conformance to API 520 and API 521 standards
  • Choice of rigorous thermodynamics
  • 2-D/3-D wall temperature modelling for pipes and vessels
  • Custom modelling capability for models of arbitrary complexity
  • Arbitrary level of process flowsheet (to any level of fidelity)

Environment & facilities

  • Full drag-and-drop flowsheeting capability in graphical user environment
  • Dialog-based model specification
  • Audit capability with case archiving and comparison

Activities and environment

  • State-of-the-art numerics for rapid and robust solution for even the largest models
  • Steady-state and dynamic simulation
  • Steady-state and dynamic optimisation
  • Integer (discrete) optimisation for discrete decisions (e.g. selection from standard pipe schedules)

Results presentation

  • In-flowsheet plots and tables
  • Tabular data for all variables
  • Unit-specific reports
  • Stream tables
  • 3-D plotting in a variety of formats
  • Results playback
  • Custom reports

Other features

Extendibility. It is possible to include custom models and models from any of PSE's other libraries.

Open software architecture. It is possible to interface to other tools, for example using CAPE-OPEN interfaces to include any physical property package of choice.

Future proofing. The AML:PRS derives full benefits from the on-going general development of the gPROMS platform. This means that not only is there assured development, but that the cost of this development is spread across several industrial domains.