Experimental study of the effect of icing on the aerodynamics of circular cylinders - Part I: Cross flow

Cristoforo Demartino, Holger Koss, Francesco Ricciardelli

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Abstract

In this paper, the effects of ice accretion due to in-cloud icing on the aerodynamics of vertical circular cylinders is examined. Aerodynamic force coefficients with varying angle of attack were
found, as a function of the wind speed; ice accretions deriving from different flow velocities and temperatures are considered. The tested cylinder is a specimen of a HDPE tube used for bridge
hanger protection. The wind tunnel tests shall serve as a reference, and the results can be used for the evaluation of possible aerodynamic instability phenomena. A preliminary evaluation of
possible galloping instability regions is made using the Den Hartog criterion. A short description of the accretion is given as well. A parallel paper deals with the case of circular cylinders in
inclined flow.
Original languageEnglish
Title of host publicationProceedings of the 6th European and African Wind Engineering Conference
Number of pages8
Publication date2013
Publication statusPublished - 2013
Event6th European and African Wind Engineering Conference - Robinson College, Cambridge, United Kingdom
Duration: 7 Jul 201311 Jul 2013
Conference number: 6

Conference

Conference6th European and African Wind Engineering Conference
Number6
LocationRobinson College
CountryUnited Kingdom
CityCambridge
Period07/07/201311/07/2013

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