Ice crystal accretion in a combined linear cascade and swan neck duct

Connolly, Jonathan; Choi, Myeonggeun; Yang, Xin; Doherty, Luke J.; McGilvray, Matthew; Gillespie, David R. H.; Collier, Benjamin; Jones, Geoff

doi:10.2514/6.2020-2828

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2024

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Cited by 5 publications

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“…of a flow through a (vane-less) swan neck duct (SND) is investigated to demonstrate the rotational behaviour of non-spherical ice crystal particles. The flow domain has an inlet of width of 254 mm and height of 132 mm(Connolly et al, 2020). A schematic diagram of the test case is shown in Fig.3.The flow conditions, which are typical of the operating conditions in the RATFac icing tunnel, are T0 = 20• C, P0 = 34.5 kPa, Ma = 0.4 and RH = 45%.…”

mentioning

confidence: 99%

Modelling the particle trajectory and melting behaviour of non-spherical ice crystal particles

Yang

McGilvray

Gillespie

2022

International Journal of Multiphase Flow

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mentioning

confidence: 99%

Modelling the particle trajectory and melting behaviour of non-spherical ice crystal particles

Yang

McGilvray

Gillespie

2022

International Journal of Multiphase Flow

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Transient Three-Dimensional Measurement of Ice Crystal Accretion Using a Plenoptic Camera

Eberhart,

Loehle,

Grigat

et al. 2024

AIAA Journal

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Monitoring the three-dimensional formation of ice layers on airfoils during icing wind tunnel experiments is extremely challenging. For the first time, this paper demonstrates the use of a single plenoptic camera to perform transient, nonintrusive in situ measurements of ice crystal accretion. Experiments have been conducted in the Altitude Icing Wind Tunnel at the National Research Council of Canada under different icing conditions to assess the potential of the new technique. Using the camera in a close-up configuration, the results show the evolution of the three-dimensional shape of the accreted ice in high spatial and temporal resolution and in absolute metric units. The computed surface meshes allow for a detailed analysis in terms of ice shape, surface area, and ice volume. Posttest shapes are compared to measurements taken using a commercial laser scanner. Although not rated for ice surfaces, this device is used as a reference to compare the detailed surface structure after registering the data sets. The results of the two methods are in good agreement and show a mean relative deviation of the plenoptic camera of about 0.15 mm.

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