Near-critical CO2 flow has been studied because of its potential application in carbon dioxide capture and sequestration, which is one of the proposed solutions for reducing greenhouse gas emission. Near the critical point the thermophysical properties of the fluid undergo abrupt changes that affect the flow structure and characteristics. Pressure drop across a stainless steel tube, 2 ft long with 0.084 in. ID, at different inlet conditions and mass flow rates have been measured. The effects of variations of inlet conditions have been studied. The results show extreme sensitivity of pressure drop to inlet conditions especially inlet temperature in the vicinity of the critical point. Also, shadowgraphs have been acquired to study the flow structure qualitatively.
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January 2015
Research-Article
Near-Critical CO2 Flow Measurement and Visualization
Farzan Kazemifar,
Farzan Kazemifar
Department of Mechanical Science & Engineering,
University of Illinois at Urbana
, Champaign,Urbana, IL 61801
International Institute for Carbon Neutral Energy
Research (WPI-I2CNER),
e-mail: kazemif1@illinois.edu
Research (WPI-I2CNER),
Kyushu University
,Fukuoka 819-0395
, Japan
e-mail: kazemif1@illinois.edu
Search for other works by this author on:
Dimitrios C. Kyritsis
Dimitrios C. Kyritsis
Department of Mechanical Science & Engineering,
University of Illinois at Urbana
, Champaign,Urbana, IL 61801
International Institute for Carbon Neutral Energy
Research (WPI-I2CNER),
Research (WPI-I2CNER),
Kyushu University
,Fukuoka
819-0395, Japan
Department of Mechanical Engineering,
e-mail: kyritsis@illinois.edu
Khalifa University of Science Technology and Research
,PO Box 127788
,Abu Dhabi
, UAE
e-mail: kyritsis@illinois.edu
Search for other works by this author on:
Farzan Kazemifar
Department of Mechanical Science & Engineering,
University of Illinois at Urbana
, Champaign,Urbana, IL 61801
International Institute for Carbon Neutral Energy
Research (WPI-I2CNER),
e-mail: kazemif1@illinois.edu
Research (WPI-I2CNER),
Kyushu University
,Fukuoka 819-0395
, Japan
e-mail: kazemif1@illinois.edu
Dimitrios C. Kyritsis
Department of Mechanical Science & Engineering,
University of Illinois at Urbana
, Champaign,Urbana, IL 61801
International Institute for Carbon Neutral Energy
Research (WPI-I2CNER),
Research (WPI-I2CNER),
Kyushu University
,Fukuoka
819-0395, Japan
Department of Mechanical Engineering,
e-mail: kyritsis@illinois.edu
Khalifa University of Science Technology and Research
,PO Box 127788
,Abu Dhabi
, UAE
e-mail: kyritsis@illinois.edu
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received July 22, 2013; final manuscript received June 24, 2014; published online August 1, 2014. Assoc. Editor: Gunnar Tamm.
J. Energy Resour. Technol. Jan 2015, 137(1): 012002 (5 pages)
Published Online: August 1, 2014
Article history
Received:
July 22, 2013
Revision Received:
June 24, 2014
Citation
Kazemifar, F., and Kyritsis, D. C. (August 1, 2014). "Near-Critical CO2 Flow Measurement and Visualization." ASME. J. Energy Resour. Technol. January 2015; 137(1): 012002. https://doi.org/10.1115/1.4027961
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