elements of prandtl s boundary layer theory r shankar subramanian department of chemical and biomolecular engineering clarkson university potsdam new york 13699 the failure of potential flow incompressible irrotational flow ...
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...Elements of prandtl s boundary layer theory r shankar subramanian department chemical and biomolecular engineering clarkson university potsdam new york the failure potential flow incompressible irrotational to predict drag on objects when a fluid flows past them provided impetus for put forward adjacent rigid surface principal assumptions are listed below an object at large values reynolds number region can be divided into two parts i away from viscous effects considered negligible assumed ii in thin near called cannot neglected as important inertia pressure variation calculated solution along neglecting altogether impressed upon u y x laminar turbulent transition flat plate occurs where re xu here is kinematic viscosity rex used establish order magnitude thickness typical term navier stokes equation rectangular cartesian coordinates uv velocity components xy directions density dynamic we estimate each these terms length l follows xl because force comparable estimates must uu or which ...