Fan Noise Parameters dialog box

Modeling Object
Name	Defines the modeling object name.
Label	Specifies a unique numerical identifier for the modeling object.
Properties
Description	Lets you enter a brief description. Click to open a text editor where you can enter a longer description.
Card Name	Displays the name of the Simcenter Nastran bulk entry.
Fan Parameters
RPM	Sets the fan rotation speed.
Fan Type	Specifies the fan type components.Tonal ComponentsFlow interaction with only one blade surface. Calculates only the tonal component noise.Note: When using Tonal Components, all fan blades will have the same perfectly periodic loading.Tonal And Broadband ComponentsFlow interaction with all fan blades. Calculates the combined tonal and broadband noise.Note: When using Tonal And Broadband Components, each blade may have unequal loading.
Tonal Parameters
Number of Blades	Appears when Fan Type is set to Tonal Components.Sets the number of fan blades.

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Fan Noise Parameters dialog box, Simcenter 3D 2021.1 Series

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