Boundary layer theory 3
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The document discusses boundary layer theory and the Von Karman Momentum Integral Equation. It explains that according to the continuity equation for steady incompressible fluid flow, the mass rate of flow entering two sections plus the mass rate leaving another section must be equal. It also states that the rate of change of momentum in a control volume is equal to the momentum flux through three surfaces minus the momentum flux entering and leaving other surfaces, according to the momentum integral equation.
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
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