References:
[1] Davis, G.D.V. and Thomas, R. Natural convection between concentric vertical cylinders. The Physics of Fluids, 12 (12), pp. II-198-II-207,(1969).
[2] Schwab, T.H. and De Witt, K.J. Numerical investigation of free convection between two vertical coaxial cylinders. AIChE Journal, 16 (6), pp. 1005-1010,(1970).
[3] Powe, R.E., Carley, C.T. and Carruth, S.L. A numerical solution for natural convection in cylindrical annuli. pp.,(1971).
[4] Bejan, A. and Chang-Lin, T. Natural convection in horizontal space bounded by two concentric cylinders with different end temperatures. International Journal of Heat and Mass Transfer, 22 (6), pp. 919-927,(1979).
[5] Havstad, M. and Burns, P. Convective heat transfer in vertical cylindrical annuli filled with a porous medium. International Journal of Heat and Mass Transfer, 25 (11), pp. 1755-1766,(1982).
[6] Hickox, C. and Gartling, D. Numerical study of natural convection in a vertical, annular, porous layer. NASA STI/Recon Technical Report N, 83, pp. 23563,(1982).
[7] Prasad, V. and Kulacki, F. Natural convection in a vertical porous annulus. International journal of heat and mass transfer, 27 (2), pp. 207-219,(1984).
[8] Prasad, V. Numerical study of natural convection in a vertical, porous annulus with constant heat flux on the inner wall. International journal of heat and mass transfer, 29 (6), pp. 841-853,(1986).
[9] Chai, J.C. and Patankar, S.V. Laminar natural convection in internally finned horizontal annuli. Numerical Heat Transfer, Part A: Applications, 24 (1), pp. 67-87,(1993).
[10] Hasnaoui, M., Vasseur, P., Bilgen, E. et al. Analytical and numerical study of natural convection heat transfer in a vertical porous annulus. Chemical Engineering Communications, 131 (1), pp. 141-159,(1995).
[11] Marpu, D. Forchheimer and Brinkman extended Darcy flow model on natural convection in a vertical cylindrical porous annulus. Acta mechanica, 109 (1), pp. 41-48,(1995).
[12] Aboubi, K., Robillard, L. and Vasseur, P. Natural convection in horizontal annulus filled with an anisotropic porous medium. International Journal of Numerical Methods for Heat & Fluid Flow, pp.,(1998).
[13] Abu-Hijleh, B.A.K. Natural convection heat transfer from a cylinder with high conductivity permeable fins. J. Heat Transfer, 125 (2), pp. 282-288,(2003).
[14] Kiwan, S. and Zeitoun, O. Natural convection in a horizontal cylindrical annulus using porous fins. International Journal of Numerical Methods for Heat & Fluid Flow, pp.,(2008).
[15] Chen, S., Liu, Z., Bao, S. et al. Natural convection and entropy generation in a vertically concentric annular space. International journal of thermal sciences, 49 (12), pp. 2439-2452,(2010).
[16] Sankar, M., Park, Y., Lopez, J. et al. Numerical study of natural convection in a vertical porous annulus with discrete heating. International Journal of Heat and Mass Transfer, 54 (7-8), pp. 1493-1505,(2011).
[17] Togun, H., Abdulrazzaq, T., Kazi, S. et al. A review of studies on forced, natural and mixed heat transfer to fluid and nanofluid flow in an annular passage. Renewable and Sustainable Energy Reviews, 39, pp. 835-856,(2014).
[18] Chikh, S. and Allouache, N. Optimal performance of an annular heat exchanger with a porous insert for a turbulent flow. Applied Thermal Engineering, 104, pp. 222-230,(2016).
[19] Jha, B.K. and Yusuf, T.S. Transient free convective flow in an annular porous medium: A semi-analytical approach. Engineering Science and Technology, an International Journal, 19 (4), pp. 1936-1948,(2016).
[20] Hatami, M. Numerical study of nanofluids natural convection in a rectangular cavity including heated fins. Journal of Molecular Liquids, 233, pp. 1-8,(2017).
[21] Stark, J., Prasad, R. and Bergman, T. Experimentally validated analytical expressions for the thermal efficiencies and thermal resistances of porous metal foam-fins. International Journal of Heat and Mass Transfer, 111, pp. 1286-1295,(2017).
[22] Nimvari, M.E. and Jouybari, N.F. Investigation of turbulence effects within porous layer on the thermal performance of a partially filled pipe. International Journal of Thermal Sciences, 118, pp. 374-385,(2017).
[23] Bondareva, N.S. and Sheremet, M.A. Conjugate heat transfer in the PCM-based heat storage system with finned copper profile: Application in electronics cooling. International Journal of Heat and Mass Transfer, 124, pp. 1275-1284,(2018).
[24] Wang, Z., Liu, Y., Zhang, J. et al. Study of laminar natural convection in a vertical annulus with inner wall covered by a porous layer by using lattice Boltzmann method. International Journal of Thermal Sciences, 135, pp. 386-397,(2019).
[25] Jha, B. and Oni, M. Natural convection flow in a vertical annulus with time-periodic thermal boundary conditions. Propulsion and Power Research, 8 (1), pp. 47-55,(2019).
[26] Nada, S. and Said, M. Effects of fins geometries, arrangements, dimensions and numbers on natural convection heat transfer characteristics in finned-horizontal annulus. International Journal of Thermal Sciences, 137, pp. 121-137,(2019).
[27] Wanga, X. and Daib, W. Numerical investigation into natural convection of nano uids in an inclined square enclosure with non-uniform heated walls. Scientia Iranica. Transaction B, Mechanical Engineering, 26 (4), pp. 2311-2328,(2019).
[28] Mesgarpour, M., Heydari, A. and Saedodin, S. Numerical analysis of heat transfer and fluid flow in the bundle of porous tapered fins. International Journal of Thermal Sciences, 135, pp. 398-409,(2019).
[29] Tayebi, T., Öztop, H.F. and Chamkha, A.J. Natural convection and entropy production in hybrid nanofluid filled-annular elliptical cavity with internal heat generation or absorption. Thermal Science and Engineering Progress, 19, pp. 100605,(2020).
[30] Jing, D., Hu, S., Hatami, M. et al. Thermal analysis on a nanofluid-filled rectangular cavity with heated fins of different geometries under magnetic field effects. Journal of Thermal Analysis and Calorimetry, 139 (6), pp. 3577-3588,(2020).
[31] Dogonchi, A., Nayak, M., Karimi, N. et al. Numerical simulation of hydrothermal features of Cu–H 2 O nanofluid natural convection within a porous annulus considering diverse configurations of heater. Journal of Thermal Analysis and Calorimetry, pp. 1-17,(2020).
[32] Mebarek-Oudina, F., Aissa, A., Mahanthesh, B. et al. Heat transport of magnetized Newtonian nanoliquids in an annular space between porous vertical cylinders with discrete heat source. International Communications in Heat and Mass Transfer, 117, pp. 104737,(2020).
[33] Astanina, M., Rashidi, M., Sheremet, M. et al. Cooling System with Porous Finned Heat Sink for Heat-Generating Element. Transport in Porous Media, 133 (3), pp. 459-478,(2020).
[34] Lakshmi, K., Siddheshwar, P. and Laroze, D. Natural convection of water-copper nanoliquids confined in low-porosity cylindrical annuli. Chinese Journal of Physics, 68, pp. 121-136,(2020).
[35] Belabid, J. and Allali, K. Effect of temperature modulation on natural convection in a horizontal porous annulus. International Journal of Thermal Sciences, 151, pp. 106273,(2020).
[36] Yousif, M.F., Shehab, S.N. and Jaffal, H.M. Effect of Porous Media on The Performance Characteristics of a Concentric Vertical Annular Tube. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 75 (2), pp. 94-112,(2020).
[37] Kiwan, S., Alwan, H. and Abdelal, N. An experimental investigation of the natural convection heat transfer from a vertical cylinder using porous fins. Applied Thermal Engineering, 179, pp. 115673,(2020).
[38] Esfe, M.H., Barzegarian, R. and Bahiraei, M. A 3D numerical study on natural convection flow of nanofluid inside a cubical cavity equipped with porous fins using two-phase mixture model. Advanced Powder Technology, 31 (6), pp. 2480-2492,(2020).
[39] Mebarek-Oudina, F., Reddy, N.K. and Sankar, M. 2021 Heat source location effects on buoyant convection of nanofluids in an annulus. In Advances in Fluid Dynamics, Springer, pp. 923-937.
[40] Kiran, S., Reddy, N.K., Sankar, M. et al. 2021 Computational Analysis of Conjugate Buoyant Convective Transport in an Annulus. In Advances in Fluid Dynamics, Springer, pp. 889-905.
[41] Husain, S. and Siddiqui, M.A. Experimental and numerical analysis of transient natural convection of water in a high aspect ratio narrow vertical annulus. Progress in Nuclear Energy, 106, pp. 1-10,(2018).
[42] Khanafer, K., AlAmiri, A. and Bull, J. Laminar natural convection heat transfer in a differentially heated cavity with a thin porous fin attached to the hot wall. International Journal of Heat and Mass Transfer, 87, pp. 59-70,(2015).
[43] Prasad, V., Kulacki, F. and Keyhani, M. Natural convection in porous media. Journal of Fluid Mechanics, 150, pp. 89-119,(1985).
[44] Keyhani-Asl, A., Hossainpour, S., Rashidi, M. et al. Comprehensive investigation of solid and porous fins influence on natural convection in an inclined rectangular enclosure. International Journal of Heat and Mass Transfer, 133, pp. 729-744,(2019).
[45] Alshuraiaan, B. and Khanafer, K. The effect of the position of the heated thin porous fin on the laminar natural convection heat transfer in a differentially heated cavity. International Communications in Heat and Mass Transfer, 78, pp. 190-199,(2016).