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Keywords: CFD
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2022, 144(7): 072503.
Paper No: HT-21-1866
Published Online: May 11, 2022
... ( 2 H ) μ RP = reactor performance Sc = Schmidt number Sh = Sherwood Number defined as Sh = h ( 2 H ) k U = average velocity V = velocity vector ρ = density υ = kinematic viscosity ethylene oxide microreactor CFD...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2022, 144(6): 061302.
Paper No: HT-21-1267
Published Online: April 5, 2022
... combustion CFD pulsating flames detached eddy simulation (DES) The main task of combustion research was to increase combustion efficiency and reduce emissions because emission legislation became stringent [ 1 ]. In this regard, engineers and researchers have focused their attention on advanced...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2022, 144(6): 062001.
Paper No: HT-21-1422
Published Online: April 5, 2022
...Wen-Xiao Chu; Ching-An Tsai; Bing-Hung Lee; Kai-Yueh Cheng; Chi-Chuan Wang A comparative study on the enhancement mechanism by various twisted tapes (TTs) in association with the local flow pattern is investigated in detail via computational fluid dynamics (CFD). The effect of gap between TT...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2022, 144(1): 011802.
Paper No: HT-21-1358
Published Online: November 22, 2021
...Rajendra Prasad K S; Krishna V; Sachin Bharadwaj M; Babu Rao Ponangi Modeling of turbulence heat transfer for supercritical fluids, using computational fluid dynamics (CFD) software, is always challenging due to the drastic property variations near the critical point. The use of artificial neural...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. January 2021, 143(1): 014501.
Paper No: HT-20-1316
Published Online: November 4, 2020
...Temesgen Garoma; Ramin E. Yazdi This study is part of a broader study on a novel method for harvesting algae by evaporation, and it investigated the feasibility of heating algal biomass using low-grade waste heat in a heat exchanger. Computational fluid dynamic (CFD) analysis was performed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2020, 142(11): 111901.
Paper No: HT-20-1006
Published Online: August 14, 2020
... ), length ( L ), time ( T ), and temperature ( K ). The dimensionless π-terms are elaborated in Table 9 . The flow of supercritical steam is simulated using ansys fluent 18.1, which is a finite volume-based commercial CFD solver. The governing equations are the conservation of mass, conservation...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2020, 142(8): 081301.
Paper No: HT-19-1630
Published Online: June 8, 2020
... of the plausible solutions for more uniform heat transfer. In this study, computational fluid dynamics (CFD) simulations have been carried out for multiple swirling impinging flames arranged in a hexagonal array configuration. The turbulence chemistry interactions in the flame field are solved numerically using...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2020, 142(5): 052601.
Paper No: HT-19-1264
Published Online: March 17, 2020
.... Employing computational fluid dynamics (CFD) analyses, the study shows that the method has the potential to significantly improve natural convection cooling by accelerating flow in tall porous structures while at the same time improves mechanical stability of such structures. Fig. 9 Comparing velocity...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2019, 141(10): 102101.
Paper No: HT-17-1392
Published Online: September 13, 2019
... that higher cooling rates result in a decrement of secondary dendrite arm spacing (SDAS) of 1 mm thin strip along strip surface results in the fine and homogeneous microstructure. e-mail:  shukla@iitm.ac.in 04 07 2017 21 05 2019 13 09 2019 high-speed twin roll casting CFD...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2019, 141(8): 082202.
Paper No: HT-19-1098
Published Online: June 20, 2019
... May 16, 2019; published online June 20, 2019. Assoc. Editor: Guihua Tang. 18 02 2019 16 05 2019 CFD impinging jet cooling gas turbine blade convective heat transfer nozzle One of the most important parameters affecting the efficiency and power output of a gas turbine...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2019, 141(2): 022004.
Paper No: HT-18-1150
Published Online: December 13, 2018
... CFD discrete heat source LTE LTNE In this electronic era, the electronic components are becoming increasingly smaller; as a result, the area available for heat dissipation becomes very less which, in turn, increases the heat flux at the chip level. The convection heat transfer study through...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. October 2018, 140(10): 104501.
Paper No: HT-17-1318
Published Online: June 7, 2018
...M. Langari; Z. Yang; J. F. Dunne; S. Jafari; J.-P. Pirault; C. A. Long; J. Thalackottore Jose The accuracy of computational fluid dynamic (CFD)-based heat transfer predictions have been examined of relevance to liquid cooling of IC engines at high engine loads where some nucleate boiling occurs...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2014, 136(9): 091703.
Paper No: HT-14-1049
Published Online: June 27, 2014
.... Assoc. Editor: W. Q. Tao. 29 01 2014 03 06 2014 This paper presents a computational fluid dynamics (CFD) methodology to accurately predict the heat transfer characteristics of an unconfined steady impinging air jet in the transitional flow regime, impinging on a planar constant...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2013, 135(8): 081901.
Paper No: HT-12-1343
Published Online: June 27, 2013
... scale-roughened models (with the scale height varying in the range from 1 mm to 2.5 mm) are numerically predicted using commercial computational fluid dynamics (CFD) code, Ansys cfx . The turbulent model employed is the k–ω based shear–stress transport (SST) model with automatic wall function treatment...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2013, 135(2): 022505.
Paper No: HT-11-1587
Published Online: January 3, 2013
... transfer results for a vertical flat plate may be used as an approximation for the heat transfer from a vertical cylinder will be investigated. laminar natural convection vertical cylinders classic solutions CFD Laminar natural convection heat transfer from the vertical surface...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2013, 135(1): 011009.
Paper No: HT-12-1115
Published Online: December 6, 2012
... (CFD) at Imperial College (IC) in the 1960s by a group founded by Brian Spalding who was the charismatic leader of a dedicated team for a decade. I was a member of this team during the development of the basic engineering practice that came to be known as the IC approach to “CFD.” I hope to capture...
Journal Articles
Article Type: Jets, Wakes, And Impingment Cooling
J. Heat Transfer. August 2012, 134(8): 082201.
Published Online: May 29, 2012
... coefficient. In addition to the measurements, a numerical analysis using the commercial CFD software package ANSYS CFX is conducted. Heat transfer predictions are compared with those obtained from experiments with regards to local distributions as well as averaged quantities. A good overall agreement is found...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2012, 134(5): 051019.
Published Online: April 13, 2012
... minichannel condensation VOF CFD gravity surface tension Minichannel heat exchangers are nowadays widely used and studied in a number of different applications. In the case of condensers for automotive air-conditioning applications, for example, extruded aluminum multiport minichannel tubing...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. December 2011, 133(12): 124501.
Published Online: October 12, 2011
... in Fig. 7 are taken from the CFD results, those from LBM appears quite similar. Consequently, the qualitative comparison is omitted here. Streamlines for different microstructures under Re   =  800 case References 1 Tuckerman , D. B. , and Pease , R. F. W. , 1981 , “ High...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. August 2011, 133(8): 081901.
Published Online: April 26, 2011
... 26 04 2011 26 04 2011 computational fluid dynamics convection Navier-Stokes equations pipe flow turbulence heat exchanger fluid flow heat transfer enhancement heat transfer coefficient corrugated ribbed passage CFD Heat transfer enhancement inside rectangular...