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Keywords: natural convection
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042601.
Paper No: HT-20-1440
Published Online: February 22, 2021
... Numbers ,” J. Fluid Mech. , 362 , pp. 199 – 227 . 10.1017/S0022112098008830 [5] Cesini , G. , Paroncini , M. , Cortella , G. , and Manzan , M. , 1999 , “ Natural Convection From a Horizontal Cylinder in a Rectangular Cavity ,” Int. J. Heat Mass Transfer , 42 ( 10...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042602.
Paper No: HT-20-1514
Published Online: February 22, 2021
... Circular Cylinder ,” Int. J. Heat Mass Transfer , 19 ( 2 ), pp. 229 – 236 . 10.1016/0017-9310(76)90118-6 [2] Bar-Cohen , A. , Iyengar , M. , and Benjaafar , S. , 2001 , “ Design for Manufacturability of Natural Convection Cooled Heat Sinks ,” Int. J. Trans. Phenom. , 4...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2021, 143(3): 032601.
Paper No: HT-20-1252
Published Online: January 28, 2021
...Siva Subrahmanyam Mendu; Prasanta Kumar Das This paper reports the numerical investigations for steady-state natural convection in power-law fluids inside a square enclosure embedded with bottom discrete heaters. The lattice Boltzmann method (LBM) is employed to model the flow and heat transfer...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122602.
Paper No: HT-20-1150
Published Online: September 18, 2020
... of Natural Convection in Sodium Plenum Below the Grid Plate of a Fast Reactor During a Severe Accident ,” Ann. Nucl. Energy , 54 , pp. 120 – 128 . 10.1016/j.anucene.2012.11.004 [2] Sharma , A. K. , Velusamy , K. , and Balaji , C. , 2009 , “ Turbulent Natural...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2020, 142(9): 092603.
Paper No: HT-19-1544
Published Online: July 31, 2020
... only for the natural convection inside open cavities and that too only for one aspect ratio (AR). The validity of the approach had not been evaluated for inclined, as well as, shallow cavities. This study focuses on the analysis of the accuracy of RDA against extended domain approach (EDA) in open...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 052601.
Paper No: HT-19-1264
Published Online: March 17, 2020
...Subhashish Dasgupta; Abhishek Gupta Flow acceleration by imposing flow channelization structures like chimneys and/or solid barriers to improve natural convection cooling in pure fluids, is a well-known technique and a thoroughly investigated topic in thermal engineering. However, accelerating flow...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 052901.
Paper No: HT-19-1436
Published Online: March 13, 2020
.... Various types of anodization were examined with different thickness of anodic aluminum oxide layer (AAO), pore size distributions, and surface coloring conditions. A customized natural convection and thermal radiation experimental chamber was built to measure the cooling capacity and heat sink...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2020, 142(3): 032601.
Paper No: HT-19-1240
Published Online: January 29, 2020
...Ashish Saxena; Suneet Singh; Atul Srivastava The phenomenon of natural convection is investigated in three-dimensional (3D) cavities with four adiabatic walls and one hot wall. The surface opposite to the hot wall is either a wall (closed cavity) at a lower constant temperature or is open to...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2020, 142(2): 022601.
Paper No: HT-19-1016
Published Online: January 6, 2020
...Omprakash S. Bharti; Devesh Rajan; Arun K. Saha; Malay K. Das The present research proposes an inverse natural convection algorithm for simultaneous estimation of correct values of Prandtl number (Pr) and Rayleigh number (Ra). The inverse problem is formulated as the minimization of appropriate...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2019, 141(12): 122503.
Paper No: HT-19-1014
Published Online: October 8, 2019
...Hayder I. Mohammed; Donald Giddings Heat and mass transfer are investigated numerically with steady-state laminar natural convection through a vertical cylindrical enclosure filled with a liquid-saturated porous medium. The vertical wall is under a constant magnetic field and various durations of...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2019, 141(6): 062502.
Paper No: HT-18-1344
Published Online: April 17, 2019
...Wei Wang; Ben-Wen Li; Zhang-Mao Hu The coupled phenomena of radiative–magnetohyrodynamic (MHD) natural convection in a horizontal cylindrical annulus are numerically investigated. The buoyant flow is driven by the temperature difference between the inner and outer cylinder walls, while a...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2019, 141(3): 032501.
Paper No: HT-18-1565
Published Online: February 4, 2019
... Analysis of Natural Convection in Sodium Plenum Below the Grid Plate of a Fast Reactor During a Severe Accident ,” Ann. Nucl. Energy , 54 , pp. 120 – 128 . 10.1016/j.anucene.2012.11.004 [4] Wu , Y. , Hou , Y. , Wang , L. , Luo , S. , Su , G. H. , Tian , W. , and Qiu , S...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2019, 141(2): 022501.
Paper No: HT-17-1409
Published Online: November 26, 2018
...Salam Hadi Hussain; Mustafa Salah Rahomey Numerical simulations are carried out for fluid flow and natural convection heat transfer induced by a temperature difference between a hot inner cylinder with different geometries (i.e., circular; triangular; elliptic; rectangular; and rhombic) and a cold...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2019, 141(1): 012501.
Paper No: HT-17-1560
Published Online: October 8, 2018
...Subhasisa Rath; Sukanta Kumar Dash Natural convection heat transfer from horizontal solid cylinders has been studied numerically by varying the Rayleigh number in the range of (1 0 4 ≤Ra≤1 0 8 ) and (1 0 10 ≤ Ra ≤ 1 0 13 ) for both laminar and turbulent flows, respectively. The computations were...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2015, 137(6): 061005.
Paper No: HT-14-1159
Published Online: June 1, 2015
... [10] Rashidi , I. , Mahian , O. , Lorenzini , G. , Biserni , C. , and Wongwises , S. , 2014 , “ Natural Convection of Al2O3/Water Nanofluid in a Square Cavity: Effects of Heterogeneous Heating ,” Int. J. Heat Mass Transfer , 74 , pp. 391 – 402 . 10.1016/j.ijheatmasstransfer...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2015, 137(5): 052502.
Paper No: HT-13-1432
Published Online: May 1, 2015
... . 10.1016/0020-7225(94)00120-9 [26] Markatos , N. C. , and Pericleous , K. A. , 1984 , “ Laminar and Turbulent Natural Convection in an Enclose Cavity ,” Int. J. Heat Mass Transfer , 27 ( 5 ), pp. 755 – 772 . 10.1016/0017-9310(84)90145-5 participating MHD thermal radiation Joule...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2015, 137(5): 052501.
Paper No: HT-14-1123
Published Online: May 1, 2015
... positive to negative values. (5) The standard Churchill and Chu [ 25 ] correlation equation for natural convection from a wide vertical flat plate cannot be used to predict the heat transfer from the top heated plate surface if the dimensionless gap is less than approximately 1.5 even for the largest...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2015, 137(3): 032501.
Paper No: HT-13-1437
Published Online: March 1, 2015
... Circular Cylinder ,” ASME J. Heat Transfer , 78 ( 8 ), pp. 1823 – 1829 . [2] Minkowycz , W. J. , and Sparrow , E. M. , 1974 , “ Local Nonsimilar Solutions for Natural Convection on a Vertical Cylinder ,” ASME J. Heat Transfer , 96 ( 2 ), pp. 178 – 183 . 10.1115/1.3450161 [3...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2014, 136(12): 122501.
Paper No: HT-13-1634
Published Online: September 30, 2014
... , “ Convective Transport in Nanofluids ,” ASME J. Heat Transfer , 128 ( 3 ), pp. 240 – 250 . 10.1115/1.2150834 [9] Tzou , D. Y. , 2008 , “ Instability of Nanofluids in Natural Convection ,” ASME J. Heat Transfer , 130 ( 7 ), p. 072401 . 10.1115/1.2908427 [10] Tzou , D. Y...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2014, 136(11): 112501.
Paper No: HT-13-1539
Published Online: September 16, 2014
... Yüncü , H. , 2006 , “ Optimum Fin Spacing of Rectangular Fins on a Vertical Base in Free Convection Heat Transfer ,” J. Heat Mass Transfer , 44 ( 1 ), pp. 11 – 21 . 10.1007/s00231-006-0207-6 [6] Bar-Cohen , A. , 1984 , “ Optimum Thermal Spacing of Vertical, Natural Convection Cooled...