Abstract
To study the freezing behaviors of droplets on different hydrophobic surfaces in various environmental conditions, the copper-based hydrophobic surfaces with different contact angles were prepared by self-assembly method, and the freezing behaviors of droplets were observed experimentally. The influences of various factors such as contact angle, cold surface temperature, ambient temperature and humidity on the freezing time were analyzed. Experimental results showed that the contact angle was reduced due to the change of wettability in the cooling process. The freezing time increased with the contact angles, cold surface temperature, ambient temperature and humidity. Based on the phase change process and energy conservation principle in the freezing progress, a one-dimensional mathematical model of the droplet was established to calculate the freezing duration of the droplet in different experimental conditions. Comparison showed that the calculated results were in good agreement with the experimental data, with a maximum difference less than 15%.
| Translated title of the contribution | Experimental Study on the Droplet Freezing on Cold Copper-Based Hydrophobic Surfaces |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 108-114 |
| Number of pages | 7 |
| Journal | Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University |
| Volume | 52 |
| Issue number | 7 |
| DOIs | |
| State | Published - 10 Jul 2018 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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