If t is the turbulent kinematic viscosity, lm is the mixing length and U is the mean flow velocity in the x-direction, which of these gives the Prandtl mixing length model equation?

Question

If  t is the turbulent kinematic viscosity, lm is the mixing length and U is the mean flow velocity in the x-direction, which of these gives the Prandtl mixing length model equation?

TuteeHUB · Accepted Answer

( _t =l_m   Big|  frac{ U}{ y}  Big|  )

TuteeHUB · Answer

( _t =l_m^2   Big|  frac{ U}{ x}  Big|  )

TuteeHUB · Answer

( _t =l_m^2   Big|  frac{ U}{ y}  Big|  )

TuteeHUB · Answer

( _t =l_m   Big|  frac{ U}{ y}  Big|  )

TuteeHUB · Answer

( _t =l_m^2   Big|  frac{ U}{ x}  Big|  )

1.	If _t is the turbulent kinematic viscosity, l_m is the mixing length and U is the mean flow velocity in the x-direction, which of these gives the Prandtl mixing length model equation?
A.	( _t =l_m^2 Big\| frac{ U}{ x} Big\| )
B.	( _t =l_m^2 Big\| frac{ U}{ y} Big\| )
C.	( _t =l_m Big\| frac{ U}{ y} Big\| )
D.	( _t =l_m^2 Big\| frac{ U}{ x} Big\| )
Answer» C. ( _t =l_m Big\| frac{ U}{ y} Big\| )

If _t is the turbulent kinematic viscosity, l_m is the mixing length and U is the mean flow velocity in the x-direction, which of these gives the Prandtl mixing length model equation?

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