| Issue |
Emergent Scientist
Volume 5, 2021
IPT 2020
|
|
|---|---|---|
| Article Number | 2 | |
| Number of page(s) | 7 | |
| Section | Physics | |
| DOI | https://doi.org/10.1051/emsci/2021001 | |
| Published online | 05 March 2021 | |
Research Article
Two types of fog shapes above a cold evaporating liquid
Univ. Paris-Diderot, Université de Paris, Bâtiment Condorcet,
4 rue Elsa Morante,
75013
Paris,
France
* e-mail: a.feasson1@gmail.com
Received:
26
August
2020
Accepted:
12
January
2021
When liquid nitrogen is poured into a mug, a mist forms above. This article explores the influence of air humidity on the cloud and the formation of these boundaries in a controlled environment. We have identified that both homogeneous and heterogeneous nucleations occur during their formation. We highlight two types of ice clouds that differ only in the level of air humidity. Indeed, there is a critical humidity level at which one goes from a banded cloud to another without lower limit, extending to the cold liquid. We argue that this critical humidity level is related to the nitrogen flux.
Key words: Cold cloud shapes / evaporating liquid / humidity / nucleation / inverted temperature gradient
© A. Feasson et al., published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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