Stagnation Point Flow over a Stretching/shrinking Sheet in a  Carbon Nanotubes with Suction/Injection Effects

Authors

Nur Hazirah Adilla Norzawary Institute for Mathematical Research, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
Norfifah Bachok Institute for Mathematical Research, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia
Fadzilah Md Ali Department of Mathematics, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Malaysia

Stagnation point flow, stretching/shrinking sheet, carbon nanotubes, suction/injection effects, dual solutions

This research is to explore the stagnation point flow problem in carbon nanotubes

(CNTs) with suction/injection impacts over a stretching/shrinking sheet. Nonlinear

ordinary differential equations systems are transformed from the governing partial

differential equations by applying similarity transformation, thus resolved numerically

using a bvp4c solver in MATLAB. Two types of CNTs are used which are SWCNTs (single

walled) and MWCNTs (multi-walled) and water as the base fluids. Influence of the

velocity, temperature, skin friction and Nusselt numbers are studied and displayed in

the graphs form. It is concluded that the suction effect could widen the range of

solutions exist and the effect of injection acted on the contrary. Also, the solutions are

dual for shrinking sheet while unique for stretching sheet.

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