Numerical Investigation of the Electrothermal De-Icing Process of a Rotor Blade 2015-01-2102
The numerical simulation of ice melting process on an iced helicopter rotor blade is presented. The ice melting model uses an enthalpy-porosity formulation, and treats the liquid-solid mushy zone as a porous zone with porosity equal to the liquid fraction. The ice shape on the blade section is obtained by the icing code with a dynamic mesh module. Both of the temperature change and the ice-melting process on the rotor blade section surface are analyzed. The phenomenon of ice melting is analyzed through the change of temperature and liquid fraction on the abrasion/ice interface. The liquid fraction change as with time on the abrasion/ice surface is observed, which describes the ice-melting process well. The numerical results show that the ice melting process can be simulated effectively by the melting model. The de-icing process can be monitored by observing the change of the liquid fraction of the area around the abrasion/ice interface. The new model provide a useful method for the design of de-icing system.
Citation: Lei, G., Dong, W., Zhu, J., and Zheng, M., "Numerical Investigation of the Electrothermal De-Icing Process of a Rotor Blade," SAE Technical Paper 2015-01-2102, 2015, https://doi.org/10.4271/2015-01-2102. Download Citation
Author(s):
Guilin Lei, Wei Dong, Jianjun Zhu, Mei Zheng
Affiliated:
Shanghai Jiao Tong University
Pages: 8
Event:
SAE 2015 International Conference on Icing of Aircraft, Engines, and Structures
ISSN:
0148-7191
e-ISSN:
2688-3627
Related Topics:
Icing and ice detection
Wear
Helicopters
Propellers and rotors
Simulation and modeling
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