Mixed convection in a cubical cavity with active lateral walls and filled with hybrid graphene-platinum nanofluid

[+] Author and Article Information
Ahmed Kadhim Hussein

College of Engineering- Mechanical Engineering Department, University of Babylon, Babylon City, Hilla, Iraq

Lioua Kolsi

College of Engineering, Mechanical Engineering Department, Haïl University, Haïl City, Saudi Arabia, And Research Laboratory of Metrology and Energy Systems, National Engineering School, Energy Engineering Department, University of Monastir,5000 Monastir, Tunisia

Mohammed A. Almeshaal

Department of Mechanical Engineering, College of Engineering, Al Imam Mohammad Ibn Saud Islamic University, Riyadh, Kingdom of Saudi Arabia

Dong Li

School of Architecture and Civil Engineering, Northeast Petroleum University, Fazhan Lu Street, Daqing 163318, China

HAfiz Muhammad Ali

Mechanical Engineering Department, University of Engineering and Technology, Taxila, 47050, Pakistan

Israa S. Ahmed

Electromechanical Engineering Department, University of Technology, Baghdad - Iraq

1Corresponding author.

ASME doi:10.1115/1.4043758 History: Received November 23, 2018; Revised March 31, 2019


The mixed convection in a cubical cavity with active lateral walls and filled with a graphene - platinum hybrid nanofluid was investigated numerically and exclusively in the present paper. The lateral left and back sidewalls were kept at a hot temperature (Th), while the lateral right and front sidewalls were kept at a cold temperature (Tc).Both the top and bottom walls were assumed thermally insulated. The top wall of the cavity was considered moving into two different directions. The first one in the x- direction (case I), while the second case is in the z- direction (case II). Also, the case of the fixed top wall was studied just for comparison. The solid volume fractions have been varied as [0 = = 0.1 %], while the Richardson number is varied in the range of [0.01 = Ri = 10]. It was found that the maximum average Nusselt number corresponds to the case when the top wall moving in the negative x-direction. Also, the results indicated that the average Nusselt number increases with the increase in the Richardson number and the solid volume fraction.

Copyright (c) 2019 by ASME
Your Session has timed out. Please sign back in to continue.





Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In