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Thermal analysis of nanofluid flow containing gyrotactic microorganisms in bioconvection and second-order slip with convective condition

Authors
  • Sampath Kumar, P. B.1
  • Gireesha, B. J.1
  • Mahanthesh, B.1, 2, 3
  • Chamkha, Ali J.3, 4
  • 1 Kuvempu University, Department of Studies and Research in Mathematics, Shankaraghatta, Shimoga, Karnataka, 577451, India , Shimoga (India)
  • 2 Christ University, Department of Mathematics, Bengaluru, Karnataka, 560029, India , Bengaluru (India)
  • 3 Prince Mohammad Bin Fahd University, Mechanical Engineering Department, Prince Sultan Endowment for Energy and Environment, Al-Khobar, 31952, Saudi Arabia , Al-Khobar (Saudi Arabia)
  • 4 American University, RAK Research and Innovation Center, Ras Al Khaimah, United Arab Emirates , Ras Al Khaimah (United Arab Emirates)
Type
Published Article
Journal
Journal of Thermal Analysis and Calorimetry
Publisher
Springer Netherlands
Publication Date
Nov 01, 2018
Volume
136
Issue
5
Pages
1947–1957
Identifiers
DOI: 10.1007/s10973-018-7860-0
Source
Springer Nature
Keywords
License
Yellow

Abstract

Bioconvection in magneto-nanoliquid embedded with gyrotactic microorganisms across an elongated sheet with velocity slip of second order is addressed. Nonlinear thermal radiation and chemical reaction aspects are retained in energy and concentration equations. Numerical simulations for the modeled problem are proposed via Runge–Kutta–Fehlberg-based shooting technique. Special attention is given to the impact of involved parameters on the profiles of motile microorganisms, nanoparticle volume fraction, temperature and velocity. Our simulations figured out that assisting flow generates more heat transfer than the opposing flow situation. The motile microorganism’s boundary layer decayed for higher bioconvection Peclet and bioconvection Lewis numbers.

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