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Keywords: condensation
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Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T13A002, July 13–15, 2020
Paper No: HT2020-9007
...Abstract Abstract An experimental investigation of condensation and evaporation heat transfer characteristics was performed in a smooth tube and two enhanced tubes (1EHT, 3EHT) using R134A as refrigerant. All tested tubes have the same inner diameter of 14.68mm and outer diameter of 15.88mm...
Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T12A010, July 13–15, 2020
Paper No: HT2020-8964
... stratified, slug, and annular flow even dry-out may exist during the flow boiling experiments, while both ΔT-dependent and ΔT-independent flow are included for the test conditions of condensation. The results for evaporation have shown that the plain aluminum tube performs the best for all tested mass...
Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T09A003, July 13–15, 2020
Paper No: HT2020-9006
...CONDENSATION HEAT TRANSFER AND PRESSURE DROP OF R134A IN HORIZONTAL MICRO-SCALE ENHANCED TUBE Zongbao Gu, Xiang Ma, Yan He*,Lianxiang Ma Department of Mechanical and Electrical Engineering, Qingdao University of Science and Technology Qingdao, Shandong, China Wei Li Department of Energy Engineering...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T10A016, July 14–17, 2019
Paper No: HT2019-3735
...Investigation of Condensation Heat Transfer on a Tube with Wavy Fins Tailian Chen Department of Mechanical Engineering, Gonzaga University Spokane, WA 99258-0026, USA ABSTRACT In this work, heat transfer coefficient during condensation of a refrigerant on the outside surface of a copper tube...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T10A001, July 14–17, 2019
Paper No: HT2019-3442
...NUMERICAL INVESTIGATION ON POOL BOILING OVER A VERTICAL TUBE COUPLED WITH IN-TUBE CONDENSATION Shuai Ren1, Wenzhong Zhou Department of Mechanical Engineering, City University of Hong Kong Hong Kong, China ABSTRACT Pool boiling and in-tube condensation phenomena have been investigated intensively...
Proceedings Papers

Proc. ASME. HT2013, Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology, V002T07A001, July 14–19, 2013
Paper No: HT2013-17045
... EXPERIMENTAL INVESTIGATION OF FLOW CONDENSATION IN MICROGRAVITY Hyoungsoon Lee Purdue University West Lafayette, IN, USA Ilchung Park Purdue University West Lafayette, IN, USA Christopher Konishi Purdue University West Lafayette, IN, USA Issam Mudawar* Purdue University West Lafayette, IN, USA...
Proceedings Papers

Proc. ASME. HT2012, Volume 2: Heat Transfer Enhancement for Practical Applications; Fire and Combustion; Multi-Phase Systems; Heat Transfer in Electronic Equipment; Low Temperature Heat Transfer; Computational Heat Transfer, 41-50, July 8–12, 2012
Paper No: HT2012-58051
... 1 Copyright © 2012 by ASME CONDENSATION PRESSURE DROP AND HEAT TRANSFER IN 5-MM-OD MICRO-FIN TUBES Wei Li1 Dan Huang1, Zan Wu1, Hong-Xia Li1, Zhao-Yan Zhang2, Rong-Hua Hong1, Si-Pu Guo1, Jing Li1 1.Zhejiang University, Department of Energy Engineering, Hangzhou, Zhejiang 310027, PR China 2...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 2, 305-309, July 17–22, 2005
Paper No: HT2005-72608
... 03 04 2009 Characteristics of free-convection condensation heat transfer from moist air under atmospheric pressure were experimentally investigated, for further improvement of physical modeling on heat and mass transfer of solar distillation device. The cooled metal surface was 50mm...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 2, 297-304, July 17–22, 2005
Paper No: HT2005-72528
... 03 04 2009 Present authors have measured heat transfer coefficients (Cavallini et al. [1, 2]) and pressure drops (Cavallini et al. [3, 4]) during condensation of R134a, R410A and R236ea inside a flat multiport mini-channel tube with a 1.4 mm hydraulic diameter. The experimental heat...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 3, 203-210, July 11–15, 2004
Paper No: HT-FED2004-56559
... 03 03 2009 A model has been developed for predicting the amount of condensate retained as drops on the air-side of heat exchangers operating under dehumidifying conditions. For a coil with a given surface wettability, characterized by the advancing contact angle, the maximum diameter...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 639-647, July 21–23, 2003
Paper No: HT2003-47465
...) Proceedings of HT2003 1 Copyright © 2003 by ASME sation, Steam, Fins, Tube, Bank CTION echanism of condensation heat-transfer on single tubes is relatively well understood (see for instance, Briggs and Rose [2 Surface tension induced adients drain condensate from the tips and flanks of inning the film...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 725-730, July 21–23, 2003
Paper No: HT2003-47597
... 18 12 2008 This paper reports on an improved model of coupled heat and moisture transfer with phase change and mobile condensates in fibrous insulation. The new model considered the moisture movement induced by the partial water vapor pressure, a super saturation state in condensing...