Yajnik, KS (1973) General integral properties of mixing layers. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
If the usual integralS defining displacement and momentum13; thicknesses are used for mixing layers with a change in the range of integration, they diverge in general. Consequently, the familiar von karman equation is not generally applicable to a mixing layer. Previous works used the device of dividing too layer into two sub-layers - and using one integral for each separately with a continuity condition on shear'stress. Suitable definitions of displacement and other thicknesses are given here, and a momentum integral relation is obtained. Its form is different from von IDlrmcin's equation. The formulation given here is applicable to incompressible and compressible fluids, laminar and turbulent flows and to two-dimensional and axisymmetric flows.
| Item Type: | Monograph (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Integral relation;Axisymmetric flows |
| Subjects: | ENGINEERING > Fluid Mechanics and Thermodynamics |
| Depositing User: | Poornima Narayana |
| Date Deposited: | 24 Aug 2006 |
| Last Modified: | 24 May 2010 04:19 |
| URI: | http://nal-ir.nal.res.in/id/eprint/2543 |
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