Principle of a clay cooler © Siemens Stiftung 2016 CC BY-SA 4.0 international

Principle of a clay cooler

Image

Schematic diagram:
The evaporation process on the surface of a ceramic cooler is shown schematically.

Available in: English, Spanish (CREA), German
Type of media: Image (197.5 kByte)
Last update: 2018-10-26
License:

This medium is made available under a CC BY-SA 4.0 international license.

What does this mean?

How to reference this medium
Media package:
Experimento | 10+: A4 Evaporation heat
Description:
The ceramic cooler made of fired clay was soaked in cold water and then removed. The pores of the ceramic filled up with water. If a cold beverage bottle is then placed inside, it will stay cold for a relatively long time in the ceramic cooler, even if the surrounding temperature is higher. As the water evaporates from the pores of the ceramic cooler, heat is constantly extracted from the air in the interior of the clay pot (evaporation heat and some adsorption heat). As a result, the air inside the clay pot stays cold, as does the bottle placed inside.
Related media:
There are no other media directly related to this file.
Learning resource type:
Illustration
Subjects:
Biology; Chemistry; Physics; Technology
Grade levels:
Grade 5 to 6; Grade 7 to 9; Grade 10 to 13
School types:
Middle/high school
Keywords:
Evaporation; State of aggregation
Bibliography:
Siemens Stiftung Media Portal
Author:
MediaHouse GmbH
Rights holder:
© Siemens Stiftung 2016
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