Abstract
An air data probe is an important apparatus for measuring flight speed and altitude during flight. The tip of the probe could be blocked by ice, thus leading to malfunction and dangerous situations. In this study, multiphase flow and conjugate heat transfer around a flush-type air data problem were analyzed using COMSOL multiphysics software. For the validation, the numerical results of the L-type pitot probe were compared to the experimental data. The comparison between the results obtained by the single-phase and multiphase flow simulations showed that the surface temperature at the inlet region of the flush-type probe decreased in the multiphase flow due to the increased loss of heat. Moreover, the pressure fields around the flush-type probe were found to be slightly different in the single-phase and multiphase flow simulations. This indicates that the conjugate heat transfer analysis of the multiphase flow is required to evaluate the pressure, surface temperature, and power output of the flush-type probe.
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