Mach Number

Compute Mach number using velocity and speed of sound

Library

Flight Parameters

Description

The Mach Number block computes Mach number.

Mach number is defined as

$Mach=\frac{\sqrt{V\cdot V}}{a}$

where α is speed of sound and V is velocity vector.

Inputs and Outputs

InputDimension TypeDescription

First

m-by-3

Contains the velocity vector.

Second

1-by-1

Contains the speed of sound.

OutputDimension TypeDescription

First

m-by-1

Contains the Mach number.

Examples

See Airframe in the `aeroblk_HL20``aeroblk_HL20` model for an example of this block.