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Keywords: heat transfer
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2022, 144(1): 011001.
Paper No: HT-21-1175
Published Online: November 8, 2021
... be ensured by the dry cooling air. In this work, a numerical model for the assessment of heat transfer processes in dry ash conveyors is developed and implemented via the software wolfram mathematica . The model uses a newly introduced representative geometric quantity for ash particle geometry. In addition...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2022, 144(1): 012801.
Paper No: HT-21-1263
Published Online: November 8, 2021
... radiative enclosure inverse radiation heat transfer participating medium Radiative heat transfer in the participating media that can absorb, emit, and scatter radiation plays an important role in a lot of industrial applications such as combustion chambers or furnaces, boilers, and jet engines...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2021, 143(12): 121801.
Paper No: HT-21-1270
Published Online: October 18, 2021
...Kyle Hassan; Robert Kunz; David Hanson; Michael Manahan In this work, we study the heat transfer performance and particle dynamics of a high mass-loaded, compressible, particle-laden flow in a horizontally oriented pipe using an Eulerian–Eulerian (two-fluid) computational model. Previous...
Journal Articles
Article Type: Review Articles
J. Heat Transfer. December 2021, 143(12): 120801.
Paper No: HT-21-1089
Published Online: September 22, 2021
... mathematical model coupling heat and mass transfer to chemical kinetics. [ 114 ] Fluidized-bed MCRT + FVM 3S a • Poor prediction performance on gas exit temperature. [ 91 , 115 , 116 ] • Limited sphere model was applied for the particle–gas heat transfer in the transition region. • The impact...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2021, 143(9): 093001.
Paper No: HT-21-1116
Published Online: July 27, 2021
...D. A. Orozco; J. F. Hinojosa; K. Amaya The heat transfer effect of a sectioned wall made of five volumes filled with a phase change material (PCM) coupled to an air cavity is presented. The analysis system was equipped with a heat source next to the sectioned wall and an opposite isothermal wall...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2021, 143(9): 092601.
Paper No: HT-21-1225
Published Online: July 19, 2021
... of this study is to identify the critical parameters for heat transfer enhancement from the ribbed sphere compared to a conventional plane sphere. The results obtained from this work show that the average Nusselt number increases with an increase in Ra and P/D, whereas it decreases as R/D increases...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. July 2021, 143(7): 074502.
Paper No: HT-19-1598
Published Online: May 31, 2021
...Prasanna Jayaramu; Shashwat Jain; Sateesh Gedupudi; Sarit K. Das Heat sinks and heat exchangers based on flow boiling in mini/microchannels are expected to be more compact and efficient. One of the major challenges while using copper material for phase-change heat transfer application is the change...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2021, 143(6): 062101.
Paper No: HT-20-1423
Published Online: April 2, 2021
... and thermal boundary layers (BLs), positively affecting the heat transfer. The extent of magnetic influence primarily depends on the Reynolds number and induced magnetic force. At low Re (= 25), where magnetic force dominates over inertial force, the flow of ferrofluid is strongly affected by the MF...
Includes: Supplementary data
Journal Articles
Article Type: Review Articles
J. Heat Transfer. May 2021, 143(5): 050801.
Paper No: HT-20-1633
Published Online: April 1, 2021
... alloy is then documented by rigorous literature examination, following by a section of correlations for the heat transfer and flow resistance calculation to partially facilitate the designing work at the current stage. The urgent need to investigate the heat transfer and flow resistance of forced...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2021, 143(5): 052901.
Paper No: HT-20-1516
Published Online: March 19, 2021
... is proposed, which is not computationally demanding and can be used when several heat transfer modes are working simultaneously. For this study, film cooling holes in the leading edge of a gas turbine airfoil are optimized without trial and error simulations. Since the machine learning technique...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. May 2021, 143(5): 052101.
Paper No: HT-20-1371
Published Online: March 19, 2021
...Anjana N. Prajapati; Andallib Tariq Matrix cooling has opened new possibilities for enhancing the convective heat transfer coefficients without compromising upon the structural rigidity and the life of the gas turbine blade at elevated temperatures. However, the dense structure of the matrix...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2021, 143(4): 042501.
Paper No: HT-19-1251
Published Online: February 23, 2021
...Houpei Li; Pega Hrnjak This paper presents the heat transfer coefficient, pressure gradient, and flow pattern of R1234yf in a microchannel tube. Both heat transfer coefficient and pressure gradient are presented against real saturation pressure, while flow pattern captures at the exit of data...
Includes: Supplementary data
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. February 2021, 143(2): 021601.
Paper No: HT-19-1392
Published Online: November 16, 2020
...Surya Narayan L; Pasi Vijaykumar; Atul Srivastava This work studies the possible effects of varying depths of cavity on bubbling features and the associated heat transfer rates in nucleate pool boiling regime. A single vapor bubble has been generated on a substrate with a cylindrical cavity at its...
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
... with ansys fluent , and the results were verified with experiments. The results of CFD analysis showed the overall heat transfer coefficient increased by 4, 13, and 100% as inlet gas temperature increased from 150 to 245 °C, liquid mass flow rate increased from 1.82 to 9.1 g/s, and gas mass flow increased...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 121901.
Paper No: HT-20-1217
Published Online: October 28, 2020
...Yu Rao; Zhongqiu Guo; Deqiang Wang Detailed experimental and numerical studies have been conducted on the heat transfer, pressure loss, and turbulent flow structure of a three-short-pass serpentine cooling channel with miniature W-shaped ribs on the wall under the Reynolds numbers from 8500...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2021, 143(1): 011801.
Paper No: HT-20-1314
Published Online: October 7, 2020
...Guohu Luo; Zhenqiang Yao This study investigates the mean flow and radial heat-transfer behaviors in semiclosed rotating disk cavity within the canned reactor coolant pump. The flow in the semiclosed cavity contains the Stewartson type flow at inner region and the Batchelor type flow at outer...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122201.
Paper No: HT-19-1539
Published Online: October 5, 2020
... tends to overpredict the influence of convective heat transfer, but the use of an intermediate value reported from experimental measurements of a similar nickel super alloy produces excellent experimental agreement. Despite its significant effect on the melt pool geometry predictions, fluid flow...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122501.
Paper No: HT-20-1245
Published Online: October 5, 2020
...Lianfu Dai; Huiying Wu; Jun Tang The unified gas kinetic scheme (UGKS) is introduced to simulate the near transition regime gas flow and heat transfer in microchannel confined between isothermal and nonisothermal parallel plates. The argon gas is used and its inlet Knudsen number (Kn in ) ranges...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2020, 142(11): 114502.
Paper No: HT-19-1289
Published Online: September 18, 2020
...E. K. Vachagina; A. I. Kadyirov; K. I. Sibgatova; V. S. Yunusova; E. P. Gurmanchuk The heat transfer problem in a circular duct with an internal longitudinal fin is investigated under constant wall temperature. Different fin heights are considered. The problem is solved in two stages. In the first...