Flowsheet Utilities

DWSIM includes some utilities which provides the user with more information about the process being simulated.

? True Critical Point - utility to calculate the true Critical Point of a mixture (PR/SRK EOS only)

? Phase Envelope - Material Stream phase equilibria envelope calculation

? Binary Envelope - special envelopes for binary mixtures

? Pure Compound Properties Viewer

Utilities calculate their properties for a single stream only. In the majority of cases, this object must be calculated in order to be available for selection in the utility window.

Pure Component Properties

The Pure Component Properties utility is used to view and edit pure component constants, view molecular properties and general temperature dependent properties like ideal gas Cp, vapor pressure, liquid viscosity and vaporization enthalpy.

Phase Envelope

The Phase Envelope utility allows the visualization of the existing relations between thermodynamic properties of a mixture of components in a material stream. The following phase envelopes can be generated in DWSIM: Pressure-Temperature, Pressure-Enthalpy, Pressure-Entropy, Pressure-Volume, Temperature-Pressure, Temperature-Enthalpy, Temperature-Entropy, Temperature-Volume, Volume-Pressure, Volume-Temperature, Volume-Enthalpy and Volume-Entropy.

Binary Envelope

The Binary Envelope utility is a specialized phase envelope builder for viewing specific two-component diagrams (T-x-y, P-x-y, etc.). For the T-x-y diagram type, different equilibrium lines can be calculated, depending on Property Package and Flash Algorithm selections.