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Keywords: condensation
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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: Review Articles
J. Heat Transfer. August 2022, 144(8): 080802.
Paper No: HT-21-1860
Published Online: May 24, 2022
... emerged from the kinetic theory community, Schrage's equation continues to be widely used. In this paper, we quantify the accuracy of the Schrage equation for evaporation and condensation of monatomic and polyatomic fluids at the low to moderately high flux operating conditions relevant to thermofluid...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. August 2020, 142(8): 081601.
Paper No: HT-19-1620
Published Online: June 10, 2020
...Hong-Qing Jin; Sophie Wang Condensation of refrigerant R-134a is experimentally investigated on a paraffin-coated copper surface and compared to condensation on a plain copper surface. Heat transfer and visualization experiments are conducted for vertical-plate samples and for two different fin...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Heat Transfer. July 2020, 142(7): 071603.
Paper No: HT-19-1597
Published Online: May 29, 2020
...Wei Li; Yu Guo; Zong-Bao Gu; Xiang Ma; Zahid Ayub; Yan He; David J. Kukulka In this paper, the condensation heat transfer characteristics of R134a inside enhanced tubes using two types of surface structures with different materials were investigated, which were then compared with plain tubes under...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2020, 142(4): 041602.
Paper No: HT-18-1838
Published Online: February 27, 2020
...Mete Budakli; Thamer Khalif Salem; Mehmet Arik; Barca Donmez; Yusuf Menceloglu Condensation heat transfer coefficients (HTCs) are rather low compared to thin film evaporation. Therefore, it can be a limiting factor for designing heat transfer equipment. In this work, heat transfer characteristics...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. April 2020, 142(4): 042101.
Paper No: HT-19-1120
Published Online: February 20, 2020
...Steve Q. Cai In an oscillation heat pipe (OHP), when two-phase flow oscillates to the condensation region, saturated vapor bubbles/slugs are subjected to a sudden temperature reduction or immediate subcooling. Rapid condensation ruptures vapor bubbles and generates cavitation erosions on the tube...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. January 2020, 142(1): 014502.
Paper No: HT-19-1330
Published Online: November 8, 2019
...Wen-Tao Ji; Shuai-Feng Mao; Guo-Hun Chong; Chuang-Yao Zhao; Hu Zhang; Wen-Quan Tao In order to test the effect of fin structure on the condensing heat transfer of refrigerants outside the low thermal conductivity tubes, condensation of R-134a, R-1234ze(E), and R-1233zd(E) on two enhanced titanium...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2019, 141(11): 111501.
Paper No: HT-19-1194
Published Online: September 16, 2019
...Run Yan; Chung-Lung Chen This paper presents a visualization of condensation droplet distribution affected by the electrowetting-on-dielectric (EWOD) approach. A single-side double-layer-electrode design (grid wire, thin wire, and thick wire) and coplanar-electrode design (zigzag) are discussed...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. June 2019, 141(6): 061501.
Paper No: HT-17-1668
Published Online: April 16, 2019
...Hongguang Sun; Chih-Cheng Hsu The analytical solutions for condensation (and evaporation) rates of laminar humid air flow in the channels of a battery pack at both entrance and downstream regions are obtained/modeled. The effects of the entrance fluid velocity profile and the aspect ratio...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2018, 140(12): 121504.
Paper No: HT-18-1133
Published Online: September 25, 2018
.... The condensation/frosting limit, that is, the lowest air humidity ratio, W air , at a constant liquid temperature, T liq , or the highest T liq at a constant W air that leads to condensation/frosting, is determined for each surface. The main aim of this study is to find the effect of moisture transfer through...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2018, 140(12): 121503.
Paper No: HT-17-1741
Published Online: September 5, 2018
... 10, 2017; final manuscript received July 31, 2018; published online September 5, 2018. Editor: Portonovo S. Ayyaswamy. 10 12 2017 31 07 2018 Evaporation Two-phase flow Boiling Condensation Heat transfer In the areas related to high heat transfer to a liquid...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2018, 140(11): 112403.
Paper No: HT-17-1654
Published Online: July 23, 2018
... 27 04 2018 Evaporation Boiling Condensation Recently, microscale two-phase flow in microchannel heat exchangers has drawn the attention of researchers due to its large surface area to volume ratios and high heat transfer coefficient (HTC). In order to identify the macro...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2018, 140(11): 112401.
Paper No: HT-17-1335
Published Online: July 23, 2018
... Heat transfer enhancement Micro heat transfer Two-phase flow Boiling Condensation Nanoscale heat transfer Heat transfer High-temperature, high heat flux thermal management is becoming the key issue for developing high power density, high-performance electronic devices and energy systems...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. November 2018, 140(11): 112402.
Paper No: HT-17-1615
Published Online: July 23, 2018
... Experimental techniques Heat and mass transfer Heat exchangers Micro heat transfer Thermal systems Two-phase flow Particles Droplets Boiling Condensation Nanoscale heat transfer Heat transfer Flow regimes, condensation, evaporation, and related two-phase flow phenomena in a single...
Journal Articles
Article Type: Photo Gallery
J. Heat Transfer. August 2018, 140(8): 080903.
Paper No: HT-18-1279
Published Online: July 2, 2018
...Jin Sub Kim; Dong Hwan Shin; Wooyong Moon; Jaehun Heo; Jungho Lee Condensation behavior on a superhydrophobic microporous surface was visually compared with that on a plain surface in the water saturated at the pressures of 101.3 kPa (Tsat = 100 °C) and 3.2 kPa (Tsat = 25 °C). The microporous...
Journal Articles
Article Type: Photo Gallery
J. Heat Transfer. August 2018, 140(8): 080904.
Paper No: HT-18-1283
Published Online: July 2, 2018
... enhancement Porous media Boiling Condensation 080904-1 / Vol. 140, AUGUST 2018 Transactions of the ASME 157 ms0 ms 39 ms 78 ms 118 ms 148 ms0 ms 37 ms 74 ms 111 ms 560 ms Cu-HTCMC+TeflonCu+Teflon 0 ms 140 ms 280 ms 420 ms q=5 kW/m2 SEM Cu-HTCMC+Teflon q=20 kW/m2 q=56 kW/m2 (CHF) q=640 kW/m2 (CHF) q=5 kW...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2018, 140(9): 092502.
Paper No: HT-17-1448
Published Online: May 25, 2018
... 08 2017 22 03 2018 Computational fluid dynamics Evaporation Experimental techniques Heat transfer enhancement Nuclear heat transfer Thermophysical properties Boiling Condensation Boiling Condensation Supercritical fluid (SCF) is a substance normally associated with high...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2018, 140(9): 091503.
Paper No: HT-17-1281
Published Online: May 25, 2018
...Wen-Tao Ji; Chuang-Yao Zhao; Jessica Lofton; Zeng-Yao Li; Ding-Cai Zhang; Ya-Ling He; Wen-Quan Tao In this work, the condensation of refrigerants on a single, high-density, low-fin tube and full-sized shell and tube condensers were investigated experimentally. The low-fin tube had an external fin...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. October 2018, 140(10): 102401.
Paper No: HT-17-1447
Published Online: May 25, 2018
...Claire K. Wemp; Van P. Carey Spraying water droplets on air fin surfaces is often used to augment the performance of air-cooled Rankine power plant condensers and wet cooling tower heat exchangers for building air-conditioning systems. To get the best performance in such processes, the water...
Journal Articles
Article Type: Research-Article
J. Heat Transfer. September 2018, 140(9): 091502.
Paper No: HT-17-1619
Published Online: May 22, 2018
... transfer Two-phase flow Boiling Condensation Heat transfer Boiling has many important practical applications due to its effectiveness in dissipating excessive thermal load by taking advantages of the liquid–vapor phase change processes and the associated large latent heat. Among the different...