Articles | Volume 14, issue 3
Research article
31 Mar 2021
Research article |  | 31 Mar 2021

Photoacoustic hygrometer for icing wind tunnel water content measurement: design, analysis, and intercomparison

Benjamin Lang, Wolfgang Breitfuss, Simon Schweighart, Philipp Breitegger, Hugo Pervier, Andreas Tramposch, Andreas Klug, Wolfgang Hassler, and Alexander Bergmann


Interactive discussion

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Benjamin Lang on behalf of the Authors (15 Jan 2021)  Author's response    Manuscript
ED: Publish as is (26 Jan 2021) by Szymon Malinowski
AR by Benjamin Lang on behalf of the Authors (05 Feb 2021)  Author's response    Manuscript
Short summary
This work describes the design, calibration, and application of a hygrometer and sampling system, which have been developed and used for water content measurement in experimentally simulated atmospheric icing conditions with relevance in fundamental icing research as well as aviation testing and certification. Together with a general description of water content measurement and accompanying uncertainties, the results of a comparison to reference instruments in an icing wind tunnel are presented.