Dryden turbulence model#

block

Block appearance in REPEAT VISION#

The unit implements a mathematical model of Dryden turbulence that generates random wind speed perturbations to simulate atmospheric turbulence in aircraft and aerospace systems by passing limited white noise through forming filters.

1.  Properties#

Property

Default Value

Description

Units of measurement

Turbulence intensity coefficient

1e-4

-

-

Wind speed at 10 [m]

600

-

m/s

Noise sampling time (axis X)

0.1

-

s

Noise sampling time (axis Y)

0.1

-

s

Noise sampling time (axis Z)

0.1

-

s

2.  Inputs and outputs#

Parameters

Input/Output

Description

Units of measurement

Port type

h

Input

Flight altitude

m

Automation

\(v_a\)

Input

Airspeed

m/s

Automation

W\(_{tur}\)

Output

Velocity vector of turbulent gusts

m/s

Automation

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