Multi-stepping and anti-icing / de-icing devices
J.P.F. Charpin (University of Limerick, Republic of Ireland) and P. Verdin (Cranfield University, UK)
Preventing ice growth on wings is an important part of aircraft safety. The ice accretion depends on mainly three flow parameters around the wing: the heat transfer coefficient, the shear stress and the droplet collection efficiency. The growing ice layer perturbs the air flow close to the accreting surface and these parameters vary with the increasing layer. When the ice growth is computed, the airflow must be recalculated regularly and the three parameters updated to improve the accuracy. The criteria triggering air flow recalculation will be investigated. Also, the effects of anti-icing / de-icing devices will be discussed.