| 摘要 |
A method to adjust a temperature of a fluid (8) is disclosed, the method comprising the steps of providing a heat sink (4) taking effect on the fluid (8), heating the fluid (8) by Joule heating, and adjusting the heat provided by Joule heating in order to reach a desired temperature of the fluid (8). Furthermore, an apparatus to carry out the method is also disclosed. Therewith, a very efficient temperature change of the fluid can very fast be obtained since the temperature of the surrounding is not substantially changed by heat diffusion. While a~ temperature increase is carried out by Joule heating, a temperature decrease is carried out by simply deactivating Joule heating. As soon as Joule heating is deactivated, the heat is extracted from the fluid by the heat sink, thereby~ initiating a high speed temperature change towards lower temperatures.
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