Ramamoorthy, P (1988) A new method for designing natural laminar flow airfoils. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
A New method for designing Natural Laminar Airfoils is13; described. It is based on three ideas: Firstly, a plausible13; pressure distribution, that can maintain extensive laminar flow on the airfoil, is guessed and an inverse design method is then used to obtain the airfoil that sustains the given pressure distribution. If such an airfoil does not exist the method then changes the input pressure distribution. Secondly, it incorporates an appropriate camber line to obtain target lift and pitching moment coefficients. Lastly, it tests the airfoil for performance by a viscous code, compares the same with the given specifications. If the target performance is not met it changes the pressure distribution and goes through the entire iteration again. Some examples are given to illustrate the method.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Airfoil;Design;Pressure distribution |
| Subjects: | ENGINEERING > Fluid Mechanics and Thermodynamics AERONAUTICS > Aerodynamics |
| Division/Department: | Fluid Dynamics |
| Depositing User: | Deputy Head Poornima Narayana |
| Date Deposited: | 14 Aug 2006 |
| Last Modified: | 24 May 2010 09:45 |
| URI: | http://nal-ir.nal.res.in/id/eprint/2101 |
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