NUMERICAL INVESTIGATION OF HYDRODYNAMIC AND THERMAL FALKNER-SKAN BOUNDARY LAYER OF VISCOELASTIC FLUIDS

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BAOU MARYAM; NOROUZI MAHMOOD; JABARI MOGHADAM ALI

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:2 Page(s): 69-78

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Title

NUMERICAL INVESTIGATION OF HYDRODYNAMIC AND THERMAL FALKNER-SKAN BOUNDARY LAYER OF VISCOELASTIC FLUIDS

Author(s)

BAOU MARYAM | NOROUZI MAHMOOD | JABARI MOGHADAM ALI | Issue Writer Certificate

Keywords

BOUNDARY LAYER HEAT TRANSFER FALKNER-SKAN SECOND ORDER FLUID VISCOELASTICQ2

Abstract

The study of the boundary layer flow is considered as one of the fundamental issues in fluid mechanics that attracts the attention of many of the researchers’ in this field. Most of the previous researches on boundary layer problem are limited to Newtonian fluids and only a few researches have considered the non-Newtonian fluids. The main objective of this research is to better recognize the viscoelastic properties effect on characteristics of the boundary layer. In this study, the hydrodynamic and thermal boundary layer of viscoelastic Falkner-Skan problem is investigated numerically. Here, the second order model has been used as the viscoelastic constitutive equation and MATLAB software is used for analysis. Both constant temperature and constant heat flux at walls are used as thermal boundary conditions. The effect of Reynolds number, the coefficient of the first normal stress difference, Prandtl number and wedge shape factor on the thickness of dynamic and heat transfer boundary layer, momentum thickness, displacement thickness, drag coefficient and Nusselt number are studied. The effects of both adverse pressure gradient and favorable pressure gradient in heat and hydrodynamics boundary layer characteristics are investigated. The magnitude of the non-Newtonian hydrodynamic and heat boundary layer are found to increase with increasing the coefficient of the first normal stress and finally at constant pressure gradient, average Nusselt number decreases along plate by increasing first normal stress coefficient.

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APA: Copy

BAOU, MARYAM, NOROUZI, MAHMOOD, & JABARI MOGHADAM, ALI. (2016). NUMERICAL INVESTIGATION OF HYDRODYNAMIC AND THERMAL FALKNER-SKAN BOUNDARY LAYER OF VISCOELASTIC FLUIDS. MODARES MECHANICAL ENGINEERING, 16(2), 69-78. SID. https://sid.ir/paper/178812/en

Vancouver: Copy

BAOU MARYAM, NOROUZI MAHMOOD, JABARI MOGHADAM ALI. NUMERICAL INVESTIGATION OF HYDRODYNAMIC AND THERMAL FALKNER-SKAN BOUNDARY LAYER OF VISCOELASTIC FLUIDS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(2):69-78. Available from: https://sid.ir/paper/178812/en

IEEE: Copy

MARYAM BAOU, MAHMOOD NOROUZI, and ALI JABARI MOGHADAM, “NUMERICAL INVESTIGATION OF HYDRODYNAMIC AND THERMAL FALKNER-SKAN BOUNDARY LAYER OF VISCOELASTIC FLUIDS,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 2, pp. 69–78, 2016, [Online]. Available: https://sid.ir/paper/178812/en

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