The Bulk Calculator quickly calculates and shows bulk-weighted results on a Results Plane. Bulk (mass-weighted) results are automatically updated as the active Plane is moved. 
Usage
Start by positioning the Results Plane in the desired location. 
-  Open the Bulk dialog. 
 
- Select the desired quantities for bulk calculation. 
 
- Change the units of the output quantity with the adjacent menu list. 
 
- Click the Calculate button. 
 
- The bulk results are written to the Output tab. 
 
To save bulk data when animating a transient analysis, click the Save button. The results from the active time steps will be saved to an Excel csv file. 
Notes
- Pressure is static gage pressure. 
 
- Volume Flow Rate is the product of velocity and area. 
 
- Pressure Force is the pressure integrated over an area (This is an area-weighted pressure. The pressure value produces a mass-weighted pressure value). 
 
- Velocity components are displayed by selecting Velocities.