Ice Crystal Icing Wind Tunnel: Characterisation and Experimental Results

Saleh, Khalid and Leis, John ORCID: https://orcid.org/0000-0001-5930-8139 and Buttsworth, David (2021) Ice Crystal Icing Wind Tunnel: Characterisation and Experimental Results. In: 19th Australian International Aerospace Congress, 29 Nov - 2 Dec 2021, Melbourne, Australia.


Abstract

Ice accretion is a significant problem for turbofan engines, and can lead to catastrophic failure in-flight. Detecting incipient ice build-up in the turbine stator is challenging, and a robust, non-contact method would provide useful information to aid the detection process. An experimental facility – the Research Icing Wind Tunnel (RIWT-USQ) – has been developed to investigate ice formation processes and novel forms of instrumentation. This paper outlines the salient aspects of the wind tunnel, and describes the development of selected instrumentation aspects. Preliminary results from a novel non-contact measurement approach are also described. The wind tunnel utilizes a water spray with liquid nitrogen injection to emulate in-flight conditions. A carbon fibre aerofoil is instrumented with multiple temperature and humidity sensors, whose output is recorded in real-time during ice accretion experiments. Results from the microwave
transmission approach show the feasibility of detection of different flow regimes from the microwave measurements alone.


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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to Published version + Front Matter in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: Historic - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering (1 Jul 2013 - 31 Dec 2021)
Faculty/School / Institute/Centre: Historic - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering (1 Jul 2013 - 31 Dec 2021)
Date Deposited: 18 Jan 2022 03:18
Last Modified: 16 Mar 2022 03:11
Uncontrolled Keywords: icing wind tunnel, crystal ice accretion, aircraft engine icing
Fields of Research (2008): 09 Engineering > 0901 Aerospace Engineering > 090105 Avionics
09 Engineering > 0906 Electrical and Electronic Engineering > 090609 Signal Processing
09 Engineering > 0906 Electrical and Electronic Engineering > 090601 Circuits and Systems
Fields of Research (2020): 40 ENGINEERING > 4009 Electronics, sensors and digital hardware > 400905 Electronic instrumentation
40 ENGINEERING > 4006 Communications engineering > 400607 Signal processing
40 ENGINEERING > 4001 Aerospace engineering > 400103 Aircraft performance and flight control systems
Socio-Economic Objectives (2008): B Economic Development > 88 Transport > 8803 Aerospace Transport > 880303 Air Safety
Socio-Economic Objectives (2020): 27 TRANSPORT > 2701 Aerospace transport > 270103 Air safety and traffic management
URI: http://eprints.usq.edu.au/id/eprint/44759

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