Spalart Allmaras Model MCQ

Test your knowledge with important Spalart Allmaras Model MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Spalart Allmaras Model MCQs on Bissoy. Bissoy App

• The Spalart-Allmaras model is best suited for ___________
  ক

  turbulent jet flows

  খ

  turbulent mixing layers

  গ

  turbulent boundary layers with slight pressure gradients

  ঘ

  turbulent boundary layers with adverse pressure gradients
• The rate of production of the kinematic eddy viscosity parameter is related to ___________
  ক

  rate of dissipation of kinetic energy

  খ

  turbulence frequency

  গ

  vorticity

  ঘ

  kinetic energy
• Near the wall, the first wall damping function tends to ___________
  ক

  -1

  খ

  1

  গ

  0

  ঘ

  ∞
• At high Reynolds numbers, the first wall damping function becomes ___________
  ক

  -1

  খ

  1

  গ

  0

  ঘ

  ∞
• The first wall damping function in the Spalart-Allmaras model is a function of ___________
  ক

  the product of the dynamic eddy viscosity parameter and the dynamic eddy viscosity

  খ

  the ratio of the dynamic eddy viscosity parameter and the dynamic eddy viscosity

  গ

  the product of the kinematic eddy viscosity parameter and the kinematic eddy viscosity

  ঘ

  the ratio of the kinematic eddy viscosity parameter and the kinematic eddy viscosity
• In the Spalart-Allmaras model, the dynamic eddy viscosity in terms of the kinematic eddy viscosity parameter (v) is given by __________ (Note: fν1 is the wall damping function and ρ is the density of flow).
  ক

  ρvfν1

  খ

  (ρv) ⁄ fν1

  গ

  (ρfν1) ⁄ v

  ঘ

  v ⁄ (ρfν1)
• The transport equation in the Spalart-Allmaras model is for the transport of ___________
  ক

  kinematic eddy viscosity parameter

  খ

  kinematic eddy viscosity

  গ

  dynamic eddy viscosity parameter

  ঘ

  dynamic eddy viscosity
• The Spalart-Allmaras model differs from the RANS equations by ___________
  ক

  four extra transport equations

  খ

  one extra transport equation

  গ

  two extra transport equations

  ঘ

  three extra transport equations