Hydraulic Engineering - Vol 2 | 2. Boundary Layer Transition by Abraham | Learn Smarter
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Knowledge
2. Boundary Layer Transition

The chapter discusses the transition from laminar to turbulent boundary layers, including the significance of the transition zone and laminar sub-layer. It emphasizes key concepts such as boundary layer thickness, distortion of fluid particles within the boundary layer, and various important definitions related to boundary layer analysis such as displacement thickness and momentum thickness.

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Sections

  • 1

    Boundary Layer Transition

    This section explains the transition from laminar to turbulent boundary layers, focusing on key concepts such as the laminar sub-layer, fluid particle distortion, and boundary layer thickness.

    Learning Practice

  • 1.1

    Transition Zone

    The transition zone is where the laminar boundary layer transforms into a turbulent boundary layer, influenced by increasing Reynolds number.

    Learning Practice

  • 1.2

    Laminar Sublayer

    The laminar sublayer is a thin region within the turbulent boundary layer where viscous effects dominate and the velocity profile is linear.

    Learning Practice

  • 2

    Distortion Of Fluid Particle

    This section explores the transition from laminar to turbulent boundary layers and the associated distortion of fluid particles as they move through these layers.

    Learning Practice

  • 2.1

    Effects Of Velocity Gradient

    This section explores the transition from laminar to turbulent boundary layers, introducing key concepts like the laminar sub-layer and the effects of velocity gradients.

    Learning Practice

  • 2.2

    Non-Zero Vorticity

    This section discusses the transition from laminar to turbulent boundary layers and introduces key concepts such as the laminar sub-layer, distortion of fluid particles, and boundary layer thickness.

    Learning Practice

  • 3

    Boundary Layer Thickness

    This section discusses the transition from laminar to turbulent boundary layers and defines important terms like boundary layer thickness and displacement thickness.

    Learning Practice

  • 3.1

    Definition Of Boundary Layer Thickness

    The section discusses the transition from the laminar to turbulent boundary layer, defining boundary layer thickness and related phenomena.

    Learning Practice

  • 3.2

    Significance Of 0.99 Free Stream Velocity

    This section discusses the transition from laminar to turbulent boundary layers and the significance of the 0.99 free stream velocity in defining boundary layer thickness.

    Learning Practice

  • 3.3

    Important Terms In Boundary Layer Analysis

    This section explores the transition from laminar to turbulent boundary layers and key concepts such as laminar sub-layer, boundary layer thickness, and energy thickness.

    Learning Practice

  • 4

    Velocity Profiles

    This section discusses the transition from laminar to turbulent boundary layers, the characteristics of the laminar sub-layer, and the significance of boundary layer thickness in fluid dynamics.

    Learning Practice

  • 4.1

    Uniform Profile Vs. Boundary Layer Profile

    This section discusses the transition from laminar to turbulent boundary layers, emphasizing key concepts such as boundary layer thickness and velocity profiles.

    Learning Practice

  • 4.2

    Velocity Deficit

    This section discusses the transition zone between laminar and turbulent boundary layers, the laminar sub-layer, and the concepts of boundary layer thickness and velocity deficit.

    Learning Practice

  • 5

    Displacement Thickness

    This section discusses the concepts of displacement thickness, momentum thickness, and energy thickness in the context of boundary layer flow over a flat plate.

    Learning Practice

  • 5.1

    Impact Of Displacement On Flow Rate

    This section discusses the transition from laminar to turbulent flow and its effects on flow rate, including the concepts of boundary layer thickness and displacement thickness.

    Learning Practice

References

17b.pdf

Class Notes

Memorization

What we have learnt

  • The transition zone marks t...
  • The laminar sub-layer is a ...
  • Boundary layer thickness is...

Final Test

Revision Tests