1-20 of 559
Keywords: natural convection
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2022, 144(11): 112601.
Paper No: HT-22-1259
Published Online: August 18, 2022
... author. e-mail:  manisankariyer@gmail.com 05 04 2022 21 07 2022 18 08 2022 annulus cup-mixing temperature discrete heating natural convection nanofluids The Research Council 10.13039/501100004787 DSR-IRPS-2021-22-PROP-1 Buoyancy-driven convection...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2022, 144(7): 072601.
Paper No: HT-21-1779
Published Online: May 11, 2022
...J. M. Floryan; N. N. Haq; S. Panday An analysis of natural convection in horizontal slots has been carried out. It is demonstrated that a proper combination of heating and groove patterns can create a net horizontal fluid movement, which we refer to as the horizontal chimney effect. Groove shapes...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2022, 144(6): 062601.
Paper No: HT-21-1551
Published Online: April 5, 2022
...Farah Zemani; Amina Sabeur A numerical investigation is performed to analyze air's steady natural convection phenomena in an enclosure with partial active sidewalls. A partition is attached to the hot wall for different active locations to study the effect of the partition position on the heat...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2022, 144(4): 042601.
Paper No: HT-21-1307
Published Online: January 18, 2022
...Majed M. Alhazmy; Ibraheem Alqadi; Ali M. Al-Bahi This paper presents the results of a numerical simulation for the natural convection inside an enclosure that has an inner open square at its center. The inner square is open at the top and connected to the ceiling of the enclosure. The open inner...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2021, 143(9): 093001.
Paper No: HT-21-1116
Published Online: July 27, 2021
... 2021 phase change material heat transfer closed cavity segmented wall natural convection The world population prospects of the United Nations (UN) [ 1 ] indicate that the population density in 2040 will be 70.7 persons per square kilometer, 18% more than 2020, which will have...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042601.
Paper No: HT-20-1440
Published Online: February 22, 2021
.... incompressible smoothed particle hydrodynamics natural convection heat transfer confined motion Boussinesq approximation particle image velocimetry (PIV) Heat transfer by natural convection in an enclosed space has received increasing attention in the past years because of its importance in many...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042602.
Paper No: HT-20-1514
Published Online: February 22, 2021
... 25 12 2020 22 02 2021 perforated cylinder natural convection Nusselt number hollow cylinder inline holes staggered holes correlation of Nusselt number Natural convection plays a vital role in cooling the electronics and electrical components, cooling of the nuclear fuel...
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
... . For simulating appropriately the effects of variable properties on natural convection flows in which sodium or gallium act as cooling agents, dependence laws for thermophysical properties as a function of temperature are developed from literature benchmark data. Numerical simulations are conducted...
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...
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...
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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. March 2019, 141(3): 032501.
Paper No: HT-18-1565
Published Online: February 4, 2019
... by the Heat Transfer Division of ASME for publication in the J OURNAL OF H EAT T RANSFER . Manuscript received August 30, 2018; final manuscript received December 21, 2018; published online February 4, 2019. Assoc. Editor: Srinath V. Ekkad. 30 08 2018 21 12 2018 natural convection...
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
... leading to a Rayleigh number Ra L = ( g β Δ TL 3 / ν α ) of 2.4 × 10 4 . The top and bottom walls of the cavity were adiabatic. The laminar natural convection heat transfer is governed by the continuity, the Navier–Stokes and the energy equations. The Boussinesq...