Mach Number

Compute Mach number using velocity and speed of sound

• Library:

• Aerospace Blockset / Flight Parameters

• 

Description

The Mach Number block computes the Mach number. The Mach number is defined as

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

where a is the speed of sound and V is the velocity vector.

Ports

Input

V — Velocity

3-element vector

Velocity vector, specified as an 3-element vector.

Data Types: double

a — Speed of sound

1-by-1 array

Speed of sound, specified as a 1-by-1 array.

Data Types: double

Output

Mach — Mach number

scalar

Mach number, returned as a scalar.

Data Types: double

Model Examples

Lightweight Airplane Design

How to use MathWorks® products to address the technical and process challenges of aircraft design using the design of a lightweight aircraft.

Open Model

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced before R2006a