Ice Shape Prediction Based on an Improved Thermodynamic Model

Chao Ma; Yi Hua Cao; Xin Xing Chu

doi:10.4028/www.scientific.net/AMM.192.63

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 192Ice Shape Prediction Based on an Improved...

Ice Shape Prediction Based on an Improved Thermodynamic Model

Abstract:

An improved model for heat transfer process is established to study the ice accretion on airfoil, which takes into consideration the influence of conduction through ice and water film compared with the classical Messinger model. Incorporating the calculation of collection efficiency by the Eulerian two-phase theory, ice accretion in specific condition on a NACA0012 airfoil is simulated with the classical model and the improved model respectively. It is shown that the simulation result with the improved model agrees well with experiment data, and the model is demonstrated to be valid in ice shape prediction and complement the shortage of the Messinger model in the estimation of freezing fraction in glaze ice condition, especially in the initial stage of ice accretion.

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Periodical:

Applied Mechanics and Materials (Volume 192)

Pages:

63-67

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.192.63

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Online since:

July 2012

Authors:

Chao Ma, Yi Hua Cao, Xin Xing Chu

Keywords:

Freezing Fraction, Heat Conduction, Ice Accretion, Runback Water, Thermodynamic Model

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