THERMAL ANALYSIS OF HEATED PITOT PROBES IN ATMOSPHERIC CONDITIONS OF ICE ACCRETION. Bidgoli, A., A., Brito De Souza, J., R., Lisboa, K., M., & Machado Cotta, R. In 23rd ABCM International Congress of Mechanical Engineering, 2015. Paper abstract bibtex The purpose of this work is to propose a simple combined model for the thermal analysis of Pitot probes that includes conjugated heat transfer and a modified Messinger ice formation formulation, in order to describe ice accretion in electrically heated aeronautical Pitot tubes. The proposed lumped-differential model is solved by making use of the Method of Lines as implemented in the routine NDSolve, from the numerical-symbolic computational system Mathematica v.9.0. It is then illustrated the importance of considering the heat transfer within the probe structure, that accounts for heat conduction along the probe and the thermal capacitance of its internal elements, in adequately predicting the ice formation on the stagnation and tip regions. Solutions are provided for actual adverse atmospheric conditions, extracted from a recently proposed certification envelope for Pitot probes.
@inProceedings{
title = {THERMAL ANALYSIS OF HEATED PITOT PROBES IN ATMOSPHERIC CONDITIONS OF ICE ACCRETION},
type = {inProceedings},
year = {2015},
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keywords = {Aeronautical Pitot tube,Anti-icing system,Conjugated problem,Hybrid methods,Ice accretion,Lumped analysis},
city = {Rio de Janeiro},
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created = {2020-06-13T20:59:36.175Z},
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abstract = {The purpose of this work is to propose a simple combined model for the thermal analysis of Pitot probes that includes conjugated heat transfer and a modified Messinger ice formation formulation, in order to describe ice accretion in electrically heated aeronautical Pitot tubes. The proposed lumped-differential model is solved by making use of the Method of Lines as implemented in the routine NDSolve, from the numerical-symbolic computational system Mathematica v.9.0. It is then illustrated the importance of considering the heat transfer within the probe structure, that accounts for heat conduction along the probe and the thermal capacitance of its internal elements, in adequately predicting the ice formation on the stagnation and tip regions. Solutions are provided for actual adverse atmospheric conditions, extracted from a recently proposed certification envelope for Pitot probes.},
bibtype = {inProceedings},
author = {Bidgoli, Ali Allahyarzadeh and Brito De Souza, José Roberto and Lisboa, Kleber Marques and Machado Cotta, Renato},
booktitle = {23rd ABCM International Congress of Mechanical Engineering}
}
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