EXPERIMENTAL INVESTIGATION OF FRICTIONAL PRESSURE-DROP FOR 2-PHASE FLOW INSIDE SPIRALLY FLUTED TUBES

Authors
EWING ME ARNOLD JA VITTAL M CHRISTENSEN RN
Citation
Me. Ewing et al., EXPERIMENTAL INVESTIGATION OF FRICTIONAL PRESSURE-DROP FOR 2-PHASE FLOW INSIDE SPIRALLY FLUTED TUBES, Heat transfer engineering, 18(4), 1997, pp. 35-48
Citations number
19
Categorie Soggetti
Engineering, Chemical","Energy & Fuels",Thermodynamics
Journal title
Heat transfer engineering → ACNP
ISSN journal
01457632
Volume
18
Issue
4
Year of publication
1997
Pages
35 - 48
Database
ISI
SICI code
0145-7632(1997)18:4<35:EIOFPF>2.0.ZU;2-3
Abstract
This article reports the results of an experimental study of frictiona l pressure drop for two-phase flow (air and water) inside horizontal s pirally fluted tubes. Nine spirally fluted tubes, representing a wide range of geometric parameters, were tested adiabatically with various flow rates of air and water. Average pressure drop enhancement levels (our predicted smooth tube values) in the range of 1.4 to 3.9 were obs erved. A design correlation was developed based on modifications to an existing smooth-tube model. The proposed correlation predicts 84% of the database (581 experiment data points) within +/- 20%.