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Numerical investigation fluid velocity and heat transfer on the stretching sheet by VIM method and optimization fluid temperature and velocity parameter by Prandtl number and viscoelastic parameter
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  • Pooya Pasha,
  • Ali Hosin Alibak,
  • Hossein Nabi,
  • Farzad tat Shahdost
Pooya Pasha
Mazandaran University of Science and Technology

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Ali Hosin Alibak
Soran University
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Hossein Nabi
Mazandaran University of Science and Technology
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Farzad tat Shahdost
Islamic Azad University Garmsar Branch
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Abstract

This study aimed at investigating the variation of heat transfer and velocity changes of the fluid flow along the vertical line on a surface drawn from both sides. In the beginning, the several parameters such as Prandtl number and viscoelastic effect evaluated for heat transfer and fluid velocity by variation Iteration method. The results were compared with the numerical method. The second part of the description relates to the use RSM method in the Design Expert software. In this paper by using the RSM method, optimized the fluid velocity and heat transfer passing from the stretching sheet. By increasing the Prandtl number, the convection heat transfer 43 % increased ratio the minimum Prandtl number. In accordance with balanced modes for Prandtl number and viscoelastic parameter and wall temperature, the best optimization occurred for fluid velocity and fluid temperature with f=0.67 and θ=0.606. The results of variation iteration method are accurate for the nonlinear solution. As the value of k increases, the value of fluid velocity indicates an increase and by increase Prandtl number, the value of Temperature decreases.
29 Aug 2021Submitted to Engineering Reports
03 Sep 2021Submission Checks Completed
03 Sep 2021Assigned to Editor
19 Sep 20211st Revision Received
20 Sep 2021Submission Checks Completed
20 Sep 2021Assigned to Editor
22 Sep 2021Reviewer(s) Assigned
12 Nov 20212nd Revision Received
18 Nov 2021Submission Checks Completed
18 Nov 2021Assigned to Editor
18 Nov 2021Editorial Decision: Revise Minor
08 Dec 20213rd Revision Received
09 Dec 2021Submission Checks Completed
09 Dec 2021Assigned to Editor
09 Dec 2021Reviewer(s) Assigned
14 Jan 2022Editorial Decision: Revise Minor
18 Jan 20224th Revision Received
19 Jan 2022Submission Checks Completed
19 Jan 2022Assigned to Editor
20 Jan 2022Editorial Decision: Accept