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Keywords: heat transfer
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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
... hydrodynamic 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...
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
... 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 is not...
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
...:  leonardo.sigalotti@gmail.com e-mail:  icarvajal@ipn.mx References [1] Zhang , X. , Zhang , Y. , Liu , Z. , and Liu , J. , 2020 , “ Analysis of Heat Transfer and Flow Characteristics in Typical Cambered Ducts ,” Int. J. Therm. Sci. , 150 , p. 106226 . 10.1016...
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
... 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 to...
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 was...
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...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122801.
Paper No: HT-19-1554
Published Online: September 18, 2020
...Harshdeep Sharma; Varun Goel The performance models for high-temperature metallic recuperators considering one and two-dimensional heat transfer are presented. In one-dimensional model, an explicit expression to represent the effect of both the temperature and product of partial pressure and mean...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2020, 142(12): 122301.
Paper No: HT-19-1622
Published Online: September 18, 2020
...Avijit Karmakar; Sumanta Acharya The performance of a falling-film heat exchanger is strongly linked to the surface characteristics and the heat transfer processes that take place over the tubes. The primary aim of this numerical study is to characterize the influence of surface wettability on the...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2020, 142(11): 111802.
Paper No: HT-20-1106
Published Online: August 14, 2020
...Jinhu Zhao A novel finite volume method about the boundary layer flow and heat transfer of fractional viscoelastic fluid over a moving plate with convective boundary condition is developed. The fractional Maxwell model and fractional Fourier's law are employed in the constitutive relations...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2020, 142(10): 102503.
Paper No: HT-20-1011
Published Online: July 31, 2020
... 3D pictures and contour plots are depicted to extract the key points of the flow. The results exhibit that heat transfer is reduced for nanoparticle diameter but amplifies for base liquid nanolayer conductivity ratio and elevated field frequency enhances the temperature. Relative magnetization...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2020, 142(9): 092702.
Paper No: HT-19-1694
Published Online: July 31, 2020
...Ammar Tariq; Peng Li; Anyi Xu; Zhenyu Liu A clear understanding of flow and heat transfer at pore-scale level in microporous media is a topic of concern in microcooling/heating systems. In this work, a multiple-relaxation-time lattice Boltzmann method (LBM) is employed to study flow and heat...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. October 2020, 142(10): 104502.
Paper No: HT-19-1688
Published Online: July 17, 2020
...Xiaoyu Wang; Di Qi; Tong Li; Mei Lin; Hanbing Ke; Min Zeng; Qiuwang Wang Heat transfer characteristics of a circular cylinder in the branch of a T-junction duct are experimentally investigated in a low-speed wind tunnel with Reynolds number of Re b = 9163. Local and average heat transfer...