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Polar ship icing is formed when supercooled droplets from the air or seawater fall onto ships. After the crystal nuclei in the supercooled droplet are formed, they solidify and release heat, so that the temperature returns to the freezing point and forms an ice water mixture, which is called recalescence. This process is the beginning of the freezing stage. The phase field method was used to simulate the recalescence process of water under different undercooling conditions, and the icing morphology and ice-phase proportion after recalescence were studied. The results show that the undercooling has a certain effect on the results of recalescence. The dendrite growth rate in the process of recalescence is fast at first and then becomes slow. The proportion of ice phase increases with the increase of undercooling. When the undercooling increases from 30K to 45k, the proportion of ice phase increases from 11.92% to 29.17%.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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