Warming of water in a glass

The article focuses on the process of water warming from 0 °C in a glass. An experiment is performed that analyses the temperature in the top and bottom layers of water during warming. The experimental equipment is very simple and can be easily set up using devices available in schools. The temperat...

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Veröffentlicht in:Physics education 2016-03, Vol.51 (2), p.25013-25020
Hauptverfasser: Paulins, Paulis, Krauze, Armands, Ozolinsh, Maris, Muiznieks, Andris
Format: Artikel
Sprache:eng
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Zusammenfassung:The article focuses on the process of water warming from 0 °C in a glass. An experiment is performed that analyses the temperature in the top and bottom layers of water during warming. The experimental equipment is very simple and can be easily set up using devices available in schools. The temperature curves obtained from the experiment help us to understand the process of convection in the glass and to determine the temperature at which the density of water is maximum. In addition, computational fluid dynamics-CFD modeling is carried out to facilitate better comprehension of the phenomenon observed in the experiment.
ISSN:0031-9120
1361-6552
DOI:10.1088/0031-9120/51/2/025013