UniSim Design Black Oil Tutorial

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To set the Black Oil stream default options:
1. Click on the Oil Input tab in the Session Preference property view.
2. In the Session Preferences property view, select the Black Oils page.
In the Black Oil Stream Options group, you can select the methods for calculating the viscosity, and displaying the water content for all the black oil streams in your simulation.
For now, leave the settings as default.
3. Click on the Close icon to close the Session Preferences property view. You will now add the components and fluid package to the simulation.
1.3 Setting the Simulation BasisThe Simulation Basis Manager allows you to create, modify, and manipulate fluid packages in your simulation case. As a minimum, a Fluid Package contains the components and property method (for example, an Equation of State) UniSim Design will use in its calculations for a particular flowsheet. Depending on what is required in a specific flowsheet, a Fluid Package may also contain other information such as reactions and interaction parameters. You will first define your fluid package by selecting the components in this simulation case.
1.3.1 Selecting ComponentsUniSim Design has an internal stipulation that at least one component must be added to a component list that is associated to a fluid package.

To fulfil this requirement you must add a minimum of a single component even when the compositional data is not needed. For black oil streams, depending on the information available, you have the option to either specify the gas components compositions or the gas density to define the gas phase of the stream.