Ice Accretion Model on Multi-Element Airfoil

Petrosino, Francesco; Mingione, Giuseppe; Carozza, Antonio; Gilardoni, Tiziano; D’Agostini, G.

doi:10.2514/6.2010-7673

Cited by 2 publications

(4 citation statements)

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“…The ice shape prediction is finally validated on representative cases. Given the lack of icing shape data of high-lift devices under SLD conditions, we select a single airfoil under SLD icing condition 28 and a high-lift airfoil under normal icing condition 17 to validate its capability for SLD condition and multi-element airfoil, respectively. Table 2 provides the computational conditions.…”

Section: Verification and Validationmentioning

confidence: 99%

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Supercooled large droplet icing accretion and its unsteady aerodynamic characteristics on high-lift devices

Zhang

Wang

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part G:

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Given the importance of understanding new FAR25, Appendix O certification, supercooled large droplet icing characteristics and its damages should be specified because of its serious hazard to in-flight safety and aircraft engineering. This study compares the icing feature and aerodynamic degradation of high-lift devices under different diameter conditions using a verified numerical method SJTUICE (a ice accretion simulating code by Shanghai Jiao Tong Univeristy). With two different flow and freezing time-steps Tf and Ts, the accuracies on fluid dynamic and icing predictions over a long period of time can be both controlled within an acceptable range. The comparisons between supercooled large droplet and non-supercooled large droplet conditions reflect that larger diameters induce more intense icing characteristics on the suction-side of each airfoil, in which the leading edge of flap is the most sensitive one to drop size. The second-accelerated flow near the gap is adverse to smaller droplet collection but benefit for impact thermodynamic enhancement of those larger collected droplets. The ice-caused gap narrowing makes flow separation earlier, which finally leads to the degradation of global high-lift performance worsen. Lift coefficient comparison also indicates the performance of high-lift devices decays more quickly under supercooled large droplet conditions. Results of this paper highlight the supercooled large droplet icing effects with respect to smaller diameter conditions.

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Section: Verification and Validationmentioning

confidence: 99%

“…Using CIRA, Petrosino et al. 17 verified RANS solver can obtain better consequences on icing prediction than Euler solver through numerical analysis. Brown et al.…”

Section: Introductionmentioning

confidence: 99%

Supercooled large droplet icing accretion and its unsteady aerodynamic characteristics on high-lift devices

Zhang

Wang

et al. 2017

Proceedings of the Institution of Mechanical Engineers, Part G:

View full text Add to dashboard Cite

show abstract

“…Examples are the LEWICE [4,23,22], GlennICE [21], FENSAP-ICE [24] and MULTI-ICE [14,17] softwares. LEWICE is an ice prediction code developed at NASA since 1983.…”

Section: Introductionmentioning

confidence: 99%

“…MULTI-ICE uses a panel method for the computation of the aerodynamic field and is capable of evaluating the ice accretion on single or multi-element airfoils. This software implements the classical Messinger model and can also be coupled with a RANS solver for the evaluation of the aerodynamic field [14,17].…”

Section: Introductionmentioning

confidence: 99%