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Two-phase pressure drop of ammonia in a mini/micro-channel
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.ORCID iD: 0000-0002-9902-2087
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration.
2010 (English)In: Proceedings of the  8th International Conference on Nanochannels, Microchannels and Minichannels, 2010, ASME Press, 2010, 1731-1739 p.Conference paper, Published paper (Refereed)
Abstract [en]

Experiments have been performed to investigate two-phase pressure drop in a circular vertical mini-channel made of stainless steel (AISI 316) with internal diameter of 1.70 mm and a uniformly heated length of 245 mm using ammonia as working fluid. The experiments are conducted for heat flux range of 15 to 350 kW/m(2) and mass flux range of 100 to 500 kg/m(2)s. A uniform heat flux is applied to the test section by DC power supply. Two phase frictional pressure drop variation with mass flux, vapour quality and heat flux was determined. The experimental results are compared to predictive methods available in literature for frictional pressure drop. The Homogeneous model and the correlation of Muller Steinhagen et al. [14] are in good agreement with our experimental data with MAD of 27% and 26% respectively.

Place, publisher, year, edition, pages
ASME Press, 2010. 1731-1739 p.
Keyword [en]
Pressure Drop, Two Phase, Mini channel
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-34232DOI: 10.1115/FEDSM-ICNMM2010-31021ISI: 000290556300228Scopus ID: 2-s2.0-84856005292ISBN: 978-0-7918-5450-1 (print)OAI: oai:DiVA.org:kth-34232DiVA: diva2:422867
Conference
ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels, ICNMM2010 Collocated with 3rd Joint US-European Fluids Engineering Summer Meeting; Montreal, QC; Canada; 1 August 2010 through 5 August 2010
Note

QC 20110614

Available from: 2011-06-14 Created: 2011-05-30 Last updated: 2014-09-03Bibliographically approved

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Palm, Björn

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