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Revista mexicana de física

versión impresa ISSN 0035-001X


GHAFFARI, A.; JAVED, T.  y  MUSTAFA, I.. Non-linear radiation influence on oblique stagnation point flow of Maxwell fluid. Rev. mex. fis. [online]. 2018, vol.64, n.4, pp.420-428. ISSN 0035-001X.

Non-linear thermal radiation effects on non-aligned stagnation point flow of Maxwell fluid have been carried out in the present investigation. It is observed that the non-linear radiation augments the temperature and heat transfer rate. This physical phenomenon is translated into a system of partial differential equations (PDEs). After useful transformation, these non-linear constitutive equations are transformed into a system of ordinary differential equations (ODEs) and interpreted numerically by means of parallel shooting technique. Effects of pertinent parameters on flow and heat transfer are elaborated through tables and graphs. It is observed that radiation and surface heating enhance the rate of heat transfer, however Prandtl number has inverse relation with thermal boundary layer thickness. It has been observed that for increasing Prandtl number, heat transfer rate enhances. The detailed discussion of heat transfer rate is also presented in this study. Flow pattern is judged through streamlines graphs. It is also observed that oblique stagnation point flow behaves like orthogonal stagnation point flow, when free stream velocity is very large as compared to stretching velocity.

Palabras llave : Maxwell fluid; oblique stagnation point; thermal radiation; parallel shooting method;; 47.15.Cb; 44.40.+a; 44.20.+b.

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