Numerical investigation on buoyancy-driven flow over a circular cylinder in a channel with nonparallel walls

References

• C. J. Ho, M. S. Wu and J. B. Jou, “Analysis of buoyancy-aided convection heat transfer from a horizontal cylinder in a vertical duct at low Reynolds number,” Wärme Stoffübertrag, vol. 25, no. 6, pp. 337–343, 1990. DOI: https://doi.org/10.1007/BF01811557.
   Google Scholar
• S. A. Patel and R. P. Chhabra, “Buoyancy-assisted flow of yield stress fluids past a cylinder: Effect of shape and channel confinement,” Appl. Math. Model., vol. 75, pp. 892–915, 2019. DOI: https://doi.org/10.1016/j.apm.2019.07.005.
   Google Scholar
• D. Chatterjee and B. Mondal, “Control of flow separation around bluff obstacles by superimposed thermal buoyancy,” Int. J. Heat Mass Transf., vol. 72, pp. 128–138, 2014. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2014.01.013.
   Web of Science ®Google Scholar
• N. Sharma, A. K. Dhiman and S. Kumar, “Mixed convection flow and heat transfer across a square cylinder under the influence of aiding buoyancy at low Reynolds numbers,” Int. J. Heat Mass Transf., vol. 55, no. 9-10, pp. 2601–2614, 2012. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2011.12.034.
   Web of Science ®Google Scholar
• A. Dhiman, N. Sharma and S. Kumar, “Buoyancy-aided momentum and heat transfer in a vertical channel with a built-in square cylinder,” Int. J. Sustain. Energy, vol. 33, no. 5, pp. 963–984, 2014. DOI: https://doi.org/10.1080/14786451.2013.764878.
   Google Scholar
• G. Yang and J. Wu, “Effect of side ratio and aiding opposing buoyancy on the aerodynamic and heat transfer characteristics around a rectangular cylinder at low Reynolds numbers,” Numer. Heat Tr. A-Appl., vol. 64, no. 12, pp. 1016–1037, 2013. DOI: https://doi.org/10.1080/10407782.2013.811057.
   Web of Science ®Google Scholar
• M. Parveez, A. Dhiman and G. A. Harmain, “Aiding buoyancy driven flow and heat transfer features of converging and diverging trapezoidal cylinders,” Sãdhanã, vol. 43, pp. 118, 2018.
   Google Scholar
• D. Chatterjee, “Mixed convection heat transfer from tandem square cylinders in a vertical channel at low Reynolds numbers,” Numer. Heat Tr. A-Appl., vol. 58, no. 9, pp. 740–755, 2010. DOI: https://doi.org/10.1080/10407782.2010.516703.
   Web of Science ®Google Scholar
• S. Singh, G. Biswas and A. Mukhopadhyay, “Effect of thermal buoyancy on the flow through a vertical channel with a built-in circular cylinder,” Numer. Heat Tr. A-Appl., vol. 34, no. 7, pp. 769–789, 1998. DOI: https://doi.org/10.1080/10407789808914015.
   Web of Science ®Google Scholar
• G. Gandikota, S. Amiroudine, D. Chatterjee and G. Biswas, “The effect of aiding opposing buoyancy on two-dimensional laminar flow across a circular cylinder,” Numer. Heat Tr. A-Appl., vol. 58, no. 5, pp. 385–402, 2010. DOI: https://doi.org/10.1080/10407782.2010.505167.
   Web of Science ®Google Scholar
• N. Verma, J. P. Dulhani, A. Dalal, S. Sarkar and S. Ganguly, “Effect of channel confinement on mixed convective flow past an equilateral triangular cylinder,” J. Heat Transf., vol. 137, pp. 121013, 2015.
   Google Scholar
• A. Sharma and V. Eswaran, “Effect of aiding and opposing buoyancy on the heat and fluid flow across a square cylinder at Re= 100,” Numer. Heat Tr. A-Appl., vol. 45, no. 6, pp. 601–624, 2004. DOI: https://doi.org/10.1080/10407780490277798.
   Web of Science ®Google Scholar
• A. Sharma and V. Eswaran, “Effect of channel-confinement and aiding opposing buoyancy on the two-dimensional laminar flow and heat transfer across a square cylinder,” Int. J. Heat Mass Transf., vol. 48, no. 25-26, pp. 5310–5322, 2005. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2005.07.027.
   Google Scholar
• S.-W. Perng and H.-W. Wu, “Buoyancy-aided opposed convection heat transfer for unsteady turbulent flow across a square cylinder in a vertical channel,” Int. J. Heat Mass Transf., vol. 50, no. 19-20, pp. 3701–3717, 2007. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2007.02.026.
   Google Scholar
• N. Mahir and Z. Altaç, “Numerical investigation of flow and combined natural-forced convection from an isothermal square cylinder in cross flow,” Int. J. Heat Fluid Flow, vol. 75, pp. 103–121, 2019. DOI: https://doi.org/10.1016/j.ijheatfluidflow.2018.11.013.
   Google Scholar
• S. Sarkar, A. Dalal and G. Biswas, “Mixed convective heat transfer from two identical square cylinders in cross flow at Re = 100,” Int. J. Heat Mass Transf., vol. 53, no. 13-14, pp. 2628–2642, 2010. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2010.02.053.
   Web of Science ®Google Scholar
• E. Salcedo, J. C. Cajas, C. Treviño and L. Martínez-Suástegui, “Numerical investigation of mixed convection heat transfer from two isothermal circular cylinders in tandem arrangement: Buoyancy, spacing ratio, and confinement effects,” Theor. Comput. Fluid Dyn., vol. 31, no. 2, pp. 159–187, 2017. DOI: https://doi.org/10.1007/s00162-016-0411-z.
   Web of Science ®Google Scholar
• G. M. Rao and G. S. V. L. Narasimham, “Laminar conjugate mixed convection in a vertical channel with heat generating components,” Int. J. Heat Mass Transf., vol. 50, no. 17-18, pp. 3561–3574, 2007. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2006.12.030.
   Web of Science ®Google Scholar
• R. N. Mathews, C. Balaji and T. Sundararajan, “Computation of conjugate heat transfer in the turbulent mixed convection regime in a vertical channel with multiple heat sources,” Heat Mass Transfer, vol. 43, no. 10, pp. 1063–1074, 2007. DOI: https://doi.org/10.1007/s00231-006-0192-9.
   Google Scholar
• B. Premachandran and C. Balaji, “Conjugate mixed convection with surface radiation from a vertical channel with protruding heat sources,” Numer. Heat Tr. A-Appl., vol. 60, no. 2, pp. 171–196, 2011. DOI: https://doi.org/10.1080/10407782.2011.588577.
   Web of Science ®Google Scholar
• N. Bianco and S. Nardini, “Numerical analysis of natural convection in air in a vertical convergent channel with uniformly heated conductive walls,” Int. Commun. Heat Mass Transf., vol. 32, no. 6, pp. 758–769, 2005. DOI: https://doi.org/10.1016/j.icheatmasstransfer.2004.07.008.
   Google Scholar
• O. Manca, S. Nardini, D. Ricci and S. Tamburrino, “Numerical study of transient natural convection in air in vertical divergent channels,” Numer. Heat Tr. A-Appl., vol. 60, no. 7, pp. 580–603, 2011. DOI: https://doi.org/10.1080/10407782.2011.616780.
   Web of Science ®Google Scholar
• Y. Zang, R. L. Street and J. R. Koseff, “A non-staggered grid, fractional step method for time-dependent incompressible Navier-Stokes equations in curvilinear coordinates,” J. Comput. Phys., vol. 114, no. 1, pp. 18–33, 1994. DOI: https://doi.org/10.1006/jcph.1994.1146.
   Web of Science ®Google Scholar
• W. Zhang, X. Chen, H. Yang, H. Liang and Y. Wei, “Forced convection for flow across two tandem cylinders with rounded corners in a channel,” Int. J. Heat Mass Transf., vol. 130, pp. 1053–1069, 2019. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2018.10.125.
   Web of Science ®Google Scholar
• W. Zhang, H. Yang, H.-S. Dou and Z. Zhu, “Forced convection of flow past two tandem rectangular cylinders in a channel,” Numer. Heat Tr. A-Appl., vol. 72, no. 1, pp. 89–106, 2017. DOI: https://doi.org/10.1080/10407782.2017.1353384.
   Web of Science ®Google Scholar
• W. Zhang, X. Li and Z. Zhu, “Quantification of wake unsteadiness for low-Re flow across two staggered cylinders,” P. I. Mech. Eng. C-J. Mec., vol. 233, no. 19-20, pp. 6892–6909, 2019. DOI: https://doi.org/10.1177/0954406219866478.
   Web of Science ®Google Scholar
• W. Zhang, H.-S. Dou, Z. Zhu and Y. Li, “Unsteady characteristics of low-Re flow past two tandem cylinders,” Theor. Comput. Fluid Dyn., vol. 32, no. 4, pp. 475–493, 2018. DOI: https://doi.org/10.1007/s00162-018-0467-z.
   Web of Science ®Google Scholar
• W. Zhang and R. Samtaney, “Effect of corner radius in stabilizing the low-Re flow past a cylinder,” ASME J. Fluids Eng., vol. 139, pp. 121202, 2017.
   Web of Science ®Google Scholar
• W. Zhang, H. Yang, H.-S. Dou and Z. Zhu, “Flow unsteadiness and stability characteristics of low-Re flow past an inclined triangular cylinder,” ASME J. Fluids Eng., vol. 139, pp. 121203, 2017.
   Web of Science ®Google Scholar
• H. Yang, W. Zhang and Z. Zhu, “Unsteady mixed convection in a square enclosure with an inner cylinder rotating in a bi-directional and time-periodic mode,” Int. J. Heat Mass Transf., vol. 136, pp. 563–580, 2019. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2019.03.041.
   Web of Science ®Google Scholar
• W. Zhang, Y. Wei, H.-S. Dou and Z. Zhu, “Transient behaviors of mixed convection in a square enclosure with an inner impulsively rotating circular cylinder,” Int. Commun. Heat Mass Transf., vol. 98, pp. 143–154, 2018. DOI: https://doi.org/10.1016/j.icheatmasstransfer.2018.08.016.
   Web of Science ®Google Scholar
• W. Zhang, Y. Wei, X. Chen, H.-S. Dou and Z. Zhu, “Partitioning effect on natural convection in a circular enclosure with an asymmetrically placed inclined plate,” Int. Commun. Heat Mass Transf., vol. 90, pp. 11–22, 2018. DOI: https://doi.org/10.1016/j.icheatmasstransfer.2017.10.015.
   Web of Science ®Google Scholar
• K. Prasad, S. B. Paramane, A. Agrawal and A. Sharma, “Effect of channel-confinement and rotation on the two-dimensional laminar flow and heat transfer across a cylinder,” Numer. Heat Tr. A-Appl., vol. 60, no. 8, pp. 699–726, 2011. DOI: https://doi.org/10.1080/10407782.2011.616843.
   Web of Science ®Google Scholar