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Keywords: flow patterns
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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. August 2013, 135(8): 081501.
Paper No: HT-11-1430
Published Online: June 27, 2013
... and 30 °C, corresponding to saturation pressures of 6.65 bar and 7.70 bar and reduced pressures of 0.163 and 0.189, respectively. A high speed camera with a close up lens was used to capture the flow patterns that evolved along the channel. Flow pattern maps are presented in terms of the superficial gas...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. March 2010, 132(3): 031503.
Published Online: January 7, 2010
... to allow heating and simultaneous visualization. Flow patterns have been observed along the heated length with the aid of high-speed complementary metal oxide semiconductor (CMOS) digital camera. From the flow boiling visualization, seven distinct two-phase flow patterns have been observed: isolated bubbly...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. September 2009, 131(9): 091501.
Published Online: June 19, 2009
...Chang Yong Park; Pega Hrnjak C O 2 flow boiling heat transfer coefficients and pressure drop in a 3.5 mm horizontal smooth tube are presented. Also, flow patterns were visualized and studied at adiabatic conditions in a 3 mm glass tube located immediately after a heat transfer section. Heat...