Abstract
Abstract : There are many kinds of simplifications and limitations in evaluating thermal performance of disc brake using the analytic technologies which were established before. But now new virtual test technology with several advanced analytic techniques is developed to evaluate the thermal performance without any possibility of great errors that used to happen for the time-consuming analysis. As a result, it was estimated that the virtual test technology could afford to replace the physical dynamo test since the reliability of virtual test technology was reasonably verified with the existing data measured in dynamo test. Key words : Disc brake(디스크 브레이크), Cooling performance(냉각성능), CFD(전산유체공학), Dynamo test(다이나모 평가), Virtual test(가상 평가) Nomenclature 1) C : specific heat, J/kg·KN : number of vanek : thermal conductivity, W/m·Kq : heat flux, W/m 2 Δt : time step size, secΩ : angular velocity, rpse : emissivity, ρ : density, kg/m 3 Subscripts P : pad sideR : rotor side * Corresponding author, E-mail: bong82@mobis.co.kr
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