Numerical Based on Displacement Thickness Momentum Thickness Energy thickness

1. FLUID MECHANICS
BOUNDARY LAYER THEORY
LECTURE-02
CONTENTS:-
Numerical Related to
 Displacement Thickness (δ*)
 Momentum Thickness and (θ)
 Energy Thickness (δ**)
 Shape Factor (H)
PROF. SANJEEV GUPTA

2. USEFUL FORMULAS
1. Displacement Thickness (δ*)
2. Momentum Thickness and (θ)
3. Energy Thickness (δ**)
4. Shape Factor(H)
H =

3. Q.1 Find the displacement thickness, momentum thickness and energy thickness for the
velocity distribution in the boundary layer given by
𝒖
𝑼
=
𝒚
𝜹
Where u is the velocity at a distance y from the plate and u = U at y = δ where δ =
boundary layer thickness, also calculate the value of
𝛅∗
𝜽
………..1

8. ASSIGNMENT
Find the displacement thickness, the momentum thickness and energy thickness for the
velocity distribution in the boundary layer given by

9. NEXT LECTURE ON –
MOMENTUM INTEGRAL EQUATION
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