Event Title

Thermal Transport to Droplets Impinging on Heated, Superhydrophobic Surfaces

Location

Room # EB204

Start Date

5-6-2019 11:10 AM

Description

An analytical model is developed to quantify the heat transfer to droplets impinging on heated superhydrophobic surfaces. Integral analysis is used to incorporate the apparent temperature jump at the superhydrophobic surface as a boundary condition. This model is combined with a fluid model which incorporates velocity slip to calculate the cooling effectiveness, a metric outlined in contemporary work. The effect of varying velocity slip and temperature jump is analyzed for different impact Weber numbers and contact angles for surface temperatures below 100 _C. Heat transfer to the drop on superhydrophobic surfaces is decreased when compared to conventional surfaces.

Comments

Session 6

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May 6th, 11:10 AM

Thermal Transport to Droplets Impinging on Heated, Superhydrophobic Surfaces

Room # EB204

An analytical model is developed to quantify the heat transfer to droplets impinging on heated superhydrophobic surfaces. Integral analysis is used to incorporate the apparent temperature jump at the superhydrophobic surface as a boundary condition. This model is combined with a fluid model which incorporates velocity slip to calculate the cooling effectiveness, a metric outlined in contemporary work. The effect of varying velocity slip and temperature jump is analyzed for different impact Weber numbers and contact angles for surface temperatures below 100 _C. Heat transfer to the drop on superhydrophobic surfaces is decreased when compared to conventional surfaces.