1-20 of 1723
Keywords: heat transfer
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2023, 145(2): 023902.
Paper No: HT-22-1546
Published Online: November 22, 2022
... point heat transfer was correlated to the laminar and turbulent regimes in the form of the stagnation point Nusselt number, Nu 0 = CRe m Pr 0.4 , where the exponent m = 0.50 and 0.55, respectively. The Nu 0 –Re relationship exhibited nonmonotonic behavior (decrease) in the transition regime. Two...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2023, 145(2): 021601.
Paper No: HT-22-1357
Published Online: November 22, 2022
...Dawei Zhuang; Faxian Zhou; Guoliang Ding Integral-fin tubes with high heat transfer capability are a promising solution for improving the compactness of condensers used in the exploitation of offshore natural gas at sea, and the sloshing motions including rolling and pitching would inevitably...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2023, 145(1): 012901.
Paper No: HT-22-1342
Published Online: November 17, 2022
...Shailendra Kumar Chaurasiya; Satyender Singh This experimental and numerical investigation is intended to increase heat transfer, reduce pumping power, and present important guidelines on the use of confined submerged air jet impingement in solar air heater designs that employ an array of circular...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2023, 145(1): 011901.
Paper No: HT-22-1059
Published Online: November 17, 2022
... optimization with three different factors and three levels for higher heat transfer coefficient (HTC) and minimum pressure drop based on the Taguchi–Grey method. Computational fluid dynamics (CFD) output is used as an input value for statistical analysis. Results revealed that the PTTI in HX successfully...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. January 2023, 145(1): 012301.
Paper No: HT-21-1531
Published Online: November 10, 2022
...Alex Li; Rui Zhu; Terrence Simon Research results demonstrate the heat transfer effectiveness of an impinging synthetic jet toward cooling a plane normal to it. The utility of the synthetic jet lies in that the supply of coolant comes from the device itself as an alternating jetting flow...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2022, 144(11): 111801.
Paper No: HT-22-1152
Published Online: September 16, 2022
...Anjian Pan; Rong-Rong Cai; Chuan-Shuai Dong; Li-Zhi Zhang Fluid flow and heat transfer of a gas stream in various ducts have been studied thoroughly before. However, in real applications, a gas stream usually contains dust particles, whose effects have typically been neglected. In this study...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2022, 144(11): 114503.
Paper No: HT-21-1783
Published Online: September 16, 2022
... of 12.22% and overall heat transfer coefficient of 60.15 W m −2 K −1 . The recovered 1.84 kW of heat are able to power a single effect VARS on board a small, refrigerated truck to supply 1 kW of cooling load. Results also revealed an exchanger effectiveness and overall heat transfer coefficient increase...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2022, 144(10): 102602.
Paper No: HT-22-1162
Published Online: August 18, 2022
... obtained showed that with combined effects of suction/injection and nonlinear thermal radiation, the heat transfer rate is directly proportional to the angle of inclination but inversely proportional to plate shear stress and mass transfer rate. Furthermore, it was observed that the heat transfer rate...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2022, 144(9): 092301.
Paper No: HT-21-1701
Published Online: July 14, 2022
...Sanjay Singh Rathore; Suresh Kant Verma The present investigation explores the dynamic effects of wall motion on the turbulent flow and thermal characteristics of a dual jet. The effects of variation in Reynolds number (Re) and offset ratio (OR) on different heat transfer and flow characteristics...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2022, 144(9): 092801.
Paper No: HT-21-1469
Published Online: June 7, 2022
... figures, graphs, and tables are described to detect and analyze the hydrothermal variations. The linear regression slope technique is addressed to extract the reduction or enhancement rate of heat transference. Also, the probable error is estimated statistically to assure that hydrothermal characteristic...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2022, 144(8): 082601.
Paper No: HT-22-1022
Published Online: June 2, 2022
... applications in advanced nuclear reactor designs too. Heat transfer behavior of SCFs is still not understood completely. Though there exist many heat transfer correlations and criterion in the literature, they miss having a general consensus among them. In spite of having many reported studies in literature...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2022, 144(8): 082701.
Paper No: HT-22-1043
Published Online: May 12, 2022
...Ze Cao; Danesh K. Tafti Heat transfer characteristics of random suspensions of 0.25 aspect ratio (AR) cylinders are investigated for Reynolds numbers ( Re ) between 10 and 300 and solid fraction ( φ ) ranging from 0.1 to 0.3 using particle resolved simulations. The effect of particle inclination...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2022, 144(7): 071802.
Paper No: HT-21-1645
Published Online: May 11, 2022
...Atendra Kumar; Rajendra K. Ray; H. V. R. Mittal This study investigates the unsteady, two-dimensional flow and heat transfer past a rotationally oscillating circular cylinder in linear shear flow. A higher order compact (HOC) finite difference scheme is used to solve the governing Navier–Stokes...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2022, 144(7): 071801.
Paper No: HT-21-1657
Published Online: April 27, 2022
...Lianfu Dai; Huiying Wu In this work, rarefaction effect, heat transfer, and drag coefficient for gas flow around a square cylinder in transition flow regime are numerically studied using unified gas kinetic scheme (UGKS). To reduce computational cost, a mirror symmetry boundary treatment for UGKS...
Includes: Supplementary data
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. July 2022, 144(7): 074501.
Paper No: HT-21-1677
Published Online: April 20, 2022
...Yunfei Xing; Wenhui Fan; Mengmeng Du; Fengquan Zhong In the present paper, numerical study of flow and heat transfer properties of RP-3 kerosene in an impingement model are conducted with SST k − ω turbulence model and a 10-species surrogate of kerosene. The independence of grids is first studied...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2022, 144(6): 062701.
Paper No: HT-21-1640
Published Online: April 5, 2022
...Girish Krishnan; Mohammad Parhizi; Mohsen Torabi; Ankur Jain The local thermal nonequilibrium (LTNE) model has been used widely for analyzing heat transfer during internal flow through porous media, including when a channel is only partially filled with a porous medium. In such problems, the Biot...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2022, 144(4): 042302.
Paper No: HT-21-1375
Published Online: February 10, 2022
...Sanil Shah A numerical study of heat transfer between circular jet arrays and the flat moving surface is carried out. Two jet patterns, inline and staggered, are chosen. A total of nine circular jets are used in both jet patterns. The analysis is carried out for steady and transient conditions...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. February 2022, 144(2): 021802.
Paper No: HT-21-1596
Published Online: December 20, 2021
...S. Safarzadeh; A. B. Rahimi Convective heat transfer for a rotating sphere around a vertical axis floating in stationary fluid is studied numerically using the model of volume of fluid (VOF). The effects of the immersion angle and rotating velocity on the streamlines, isotherm and volume fraction...
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...