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FLUID MECHANICS
BOUNDARY LAYER THEORY
LECTURE-03
CONTENTS:-
? Momentum Integral Equation (Von Karman Momentum Integral
Equation)
PROF. SANJEEV GUPTA
Von Karman Momentum Integral Equation
According to the continuity equation for a steady incompressible fluid flow
Mass rate of flow entering AD + Mass rate of flow entering DC
= Mass Rate of flow leaving BC
Mass rate of flow entering DC
= Mass Rate of flow leaving BC - Mass rate of flow entering AD
Or
Boundary layer theory 3
Now let us calculate momentum flux through CV
Rate of change of momentum of the CV = Momentum flux through BC - Momentum
flux through AD - Momentum flux through DC
Boundary layer theory 3
Boundary layer theory 3
Boundary layer theory 3
Boundary layer theory 3
THANK YOU!!
STAY AT HOME BE SAFE
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Boundary layer theory 3

  • 1. FLUID MECHANICS BOUNDARY LAYER THEORY LECTURE-03 CONTENTS:- ? Momentum Integral Equation (Von Karman Momentum Integral Equation) PROF. SANJEEV GUPTA
  • 2. Von Karman Momentum Integral Equation
  • 3. According to the continuity equation for a steady incompressible fluid flow Mass rate of flow entering AD + Mass rate of flow entering DC = Mass Rate of flow leaving BC Mass rate of flow entering DC = Mass Rate of flow leaving BC - Mass rate of flow entering AD Or
  • 5. Now let us calculate momentum flux through CV
  • 6. Rate of change of momentum of the CV = Momentum flux through BC - Momentum flux through AD - Momentum flux through DC
  • 11. THANK YOU!! STAY AT HOME BE SAFE