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Optimization of the loading of ice stores

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  1. publications
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Ice stores are for example used in combination with a chiller for air conditioning or in combination with a heat pump for the heatins of builidings. They are used as thermal energy stores to increase the availabiltiy and safety of the heating and cooling supply.

During loading an ice store an ice layer is forming on the surface of the heat exchanger, when the nucelation temperature is reached. The growing ice layer increases the thermal conduction resistance increases and the loadins performance decreases. Big heat exchanger has to be used to freeze the whole ice store with a desired minimun loading power.

With an suitable modification of the heat exchanger surface the building of ice shall be influenced, wherby the loading performance and the construction of the ice store can be optimized.



publications

  • Oechsle, U.; Spindler, K.: Eisspeicher - Stand der Technik und Ansatzpunkte zur Optimierung der Beladung sowie deren  Modellierung in Jahrestagung des Deutschen Kälte- und Klimatechnischen Vereins AA II.1.12, Kassel, 2016

 

  • Oechsle, U.; Spindler, K.: Investigation of micro- and nanostructured coatings for heat exchanger surfaces in an ice store, J. Phys.: Conf. Ser., vol. 745, p. 32135, 2016

 

  • Oechsle, U.; Spindler, K.: Modellversuche zur Eisbildung an mikro- und nanostrukturierten Rohroberflächen unter Wasser in ProcessNet Jahrestreffen der Fachgruppe Wärme- und Stoffübertragung, Kassel, 2016

 

  • Koller, T.; Experimentelle Untersuchung und Modellierung eines kleinen Eisspeichers für die solare Kühlung von Gebäuden, Dissertation, Institut für Thermodynamik und Wärmetechnik, Universität Stuttgart, 2012.

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contact

Ursina Oechsle, M.Sc.

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