Turbulence Dialog
To access: PM Model > Turbulence
Use this dialog to define the air flow model.
Turbulence Dialog Settings
Laminar or Turbulent Flow
Choose either:
•Laminar — where the fluid layers move steadily without interference, or
•Turbulent (the default) — where the motion of the fluid layers are affected by irregular, fluctuating and chaotic eddy currents.
For most models of electronic enclosures, whether ventilated using forced or natural convection, the air movement exhibits turbulent motion. Therefore, you should normally activate the turbulent flow option.
Choosing the Turbulence Options
Selecting Turbulence displays a popup menu which allows you to choose one of three turbulence modeling options:
•Revised Algebraic — for accurate treatment at air-solid interfaces.
•Automatic Algebraic (the default) — for program calculated viscosity where the solution domain is highly cluttered with objects.
•LVEL K-Epsilon — as Revised Algebraic, but using the KE model
See Turbulence Viscosity Model in the FloTHERM Background Theory Reference Guide for a mathematical description of the modeling methods. 作者: 热热热 时间: 2013-12-21 10:46
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