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ONSET OF THERMAL CONVECTION IN A ROTATING NANOFLUID LAYER SATURATING A DARCY-BRINKMAN POROUS MEDIUM: A MORE REALISTIC MODEL

卷 18, 册 6, 2015, pp. 629-635
DOI: 10.1615/JPorMedia.v18.i6.60
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摘要

In this paper, we investigate analytically the thermal convection in a rotating nanofluid layer saturating a Darcy-Brinkman porous medium by using a more realistic linear stability analysis model. In this model, we assume that the nanoparticle concentration flux is zero on the boundaries and we can put values of temperature at the boundaries. The assumed boundary conditions neutralize the possibility of oscillatory convection, and only stationary convection occurs in the absence of rotation. But in the presence of rotation, oscillatory convection occurs due to the Coriolis effect. This paper is the extension of our previous paper in which we put both temperature and nanoparticle volume fraction at the boundaries of the nanofluid layer.

对本文的引用
  1. Chand Ramesh, Electro-thermal convection in a Brinkman porous medium saturated by nanofluid, Ain Shams Engineering Journal, 8, 4, 2017. Crossref

  2. Yadav Dhananjay, Mohamed R.A., Lee Jinho, Cho Hyung Hee, Thermal convection in a Kuvshiniski viscoelastic nanofluid saturated porous layer, Ain Shams Engineering Journal, 8, 4, 2017. Crossref

  3. Effect of Rotation on the Onset of Thermal Convection in a Layer of Maxwellian Visco-Elastic Nanofluid, in Nanofluid Technologies and Thermal Convection Techniques, 2017. Crossref

  4. Ahuja Jyoti, Sharma Jyoti, Rayleigh–Bénard instability in nanofluids: a comprehensive review, Micro and Nano Systems Letters, 8, 1, 2020. Crossref

  5. Chand Ramesh, Yadav Dhananjay, Bhattacharyya Krishnendu, Awasthi Mukesh Kumar, Thermal convection in a layer of micropolar nanofluid, Asia-Pacific Journal of Chemical Engineering, 16, 5, 2021. Crossref

  6. Ahuja J, Comparative analysis of hydromagnetic stability of rotating nanofluid layer in two different boundaries with local thermal non-equilibrium effect, IOP Conference Series: Materials Science and Engineering, 1033, 1, 2021. Crossref

  7. Veena B. N., Siddheshwar P. G., Linear and non-linear stability analyses of Rayleigh-Bénard convection in water–copper and water–alloy nanoliquids, International Journal of Ambient Energy, 43, 1, 2022. Crossref

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