Energetic correlation of local mass transfer in swirling pipe flow

Journal Article · Thu Apr 01 04:00:00 EST 1999 · Industrial and Engineering Chemistry Research

DOI:https://doi.org/10.1021/ie9803927· OSTI ID:345362

Yapici, S ^[1]

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1. Ataturk Univ., Erzurum (Turkey)

Mass transfer measurements in a decaying swirl flow in a pipe were carried out, using the electrochemical limiting diffusion current technique. The measurements were taken from local electrodes of 1 mm diameter without a developing concentration boundary layer around. Swirl was generated using short helical guide-vanes with vane angles between 15 and 60 at the outer edge of the vanes to the duct axis. The pressure drop measurements were also taken to perform an energy analysis. For a Reynolds number range of 1700--10,000, the overall energy correlation for a representative length of 36.5 diameter were evaluated to be Sh{sub s}(Sc){sup {minus}0.33} = 0.3705(1 + tan {theta}{sub o}){sup {minus}0.120} X{sup 0.236}, where {theta}{sub o} is the vane angle at the outer edge of the helical swirler and X is the energy dissipation parameter.

• OSTI ID: 345362
• Journal Information: Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 4 Vol. 38; ISSN IECRED; ISSN 0888-5885
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ENERGY ANALYSIS
ENERGY EFFICIENCY
MASS TRANSFER
PIPES
PRESSURE DROP
VORTEX FLOW