Freezing of water drops on a cold surface

Autor: David J. Hargreaves, M. E. R. Walford, S. Stuart-Smith, M. Lowson
Rok vydání: 1991
Předmět:
Zdroj: Journal of Glaciology. 37:47-50
ISSN: 1727-5652
0022-1430
DOI: 10.1017/s0022143000042787
Popis: A drop of water falling gently on to a cold copper surface freezes to it, forming a curious minaret-shaped pellet of ice. The shear tractive force necessary then to remove the ice pellet depends on the initial temperature of the metal: it is a maximum at −22°C and falls to zero at −62°C. At impact velocities greater than approximately 0.8 ms−1, depending on the metal temperature, the droplets of water freeze to form irregular pancakes or discs of ice which adhere to the metal weakly if at all.
Databáze: OpenAIRE