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Two Phase Pressure Drops for Refrigerants: A Statistical Comparison Among Experimental Data and Correlations

[+] Author Affiliations
Adriana Greco, Rita Mastrullo, Alfonso W. Mauro

Università di Napoli Federico II, Napoli, Italy

Giuseppe P. Vanoli

Università del Sannio, Benevento, Italy

Paper No. ESDA2006-95817, pp. 301-308; 8 pages
  • ASME 8th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 1: Advanced Energy Systems, Advanced Materials, Aerospace, Automation and Robotics, Noise Control and Acoustics, and Systems Engineering
  • Torino, Italy, July 4–7, 2006
  • ISBN: 0-7918-4248-7 | eISBN: 0-7918-3779-3
  • Copyright © 2006 by ASME


A 962 points database for refrigerants two-phase flows by Greco A. and Vanoli G.P. was statistically compared to four widely used prediction methods by Lockhart and Martinelli, Chawla, Theissing and Müller-Steinhagen and Heck in order to determine the best one. The experimental points are in a wide range of operating conditions for six pure or mixed refrigerants (R134a, R22, R407C, R507A, R410A and R404A) during evaporation in a smooth horizontal tube of 6 m length and 6 mm ID.

Copyright © 2006 by ASME



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