Calculate Statistics - Initial Imbalance

The difference between the measured masses in and out of each balance point, called the Initial Imbalance, is included in the set of statistics. The calculation of the initial imbalance is the same as the mass balance restriction. Depending on the type of analysis, the equations can vary.

Balance Analysis Calculation Equation

The default Element Attribute to which the initial imbalance result is written is named [element].InitialImbalance where [element] is the name of the balance point element (inventory, node, or process).

Where:

QIni = Quantity flowing into the balance point for stream i.

QOuti = Quantity flowing out of the balance point for stream i.

Δ Inventory = Quantity inventory change in the balance point.

Imbalance = Quantity imbalance for balance point.

i = ith flow

Mass Balance Analysis and Component Mass Balance Analysis Calculation Equation

The default Element Attribute to which the initial imbalance result is written is named [element].InitialImbalance where [element] is the name of the balance point element (inventory, node, or process).

Where:

MassIni \= Mass flowing into the balance point for stream i.

MassOuti \= Mass flowing out of the balance point for stream i.

Δ Inventory = Mass inventory change in the balance point.

Imbalance = Mass imbalance for balance point.

i = ith flow

For the Component Mass Balance analysis, the same equation applies for each component of the ith flow.