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arXiv · 2312.04910

Field tests on a full-scale steel chimney subjected to vortex-induced vibrations

Øyvind Mortveit Ellingsen·Olivier Flamand·Xavier Amandolese·Francois Coiffet·Pascal Hémon
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Abstract

Industrial chimneys, launch vehicles and stacks are examples of large diameter circular cross section structures which can be prone to cross-wind vortex-induced vibrations. VIV has been extensively studied for both fundamental and applied issues, but few documented studies concern high Reynolds number regime (over 500 000) in atmospheric turbulent wind. This paper introduces a field test on a slender light and low damped chimney designed to experience supercritical VIV at moderate wind velocity. The chimney was recently erected in a wind monitored field, near the Atlantic coast of France. The purpose of this paper is to present the first vibration results obtained during a sequential 13 days period in September 2020. A statistical analysis has been performed on the amplitude and dominant frequency responses and results are reported in term of probability distribution as a function of wind speed and direction. VIV events of low (under 15 % of diameter) to moderate amplitude (over 30 % of diameter) have been highlighted in a range of wind velocity 25 % lower than expected, along with significant influence of the wind direction. Low turbulent easterly wind giving vortex induced vibrations with the highest amplitude.

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Øyvind Mortveit Ellingsen, Olivier Flamand, Xavier Amandolese, Francois Coiffet, Pascal Hémon. 2023-12-08. Field tests on a full-scale steel chimney subjected to vortex-induced vibrations. https://doi.org/10.1080/10168664.2021.1936352

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