Comparison of Conventional and Microwave Heating

Abstract: Carnot batteries (or Power-to-Heat-to-Power systems) are capable of increasing the use of electricity from photovoltaic or wind power plants to achieve decarbonisation of the electricity sector. To decouple electricity production from demand, these renewable power plants can be connected to the thermal energy storage system of a concentrated solar thermal power plant via electric heaters. As an alternative to electric heaters, microwaves are studied as a volumetric and selective heating method, avoiding the limitations of the Joule effect conventional heating when having solar salt (non-eutectic mixture of 60 wt % NaNO3 and 40 wt % KNO3), which is a storage medium with low thermal conductivity, working at a temperature very close to its affordable maximum temperature without degradation. In this work, the two heating methods are compared both experimentally and numerically. At experimental level, a microwave oven and a muffle furnace are used to record energy consumption and time f.... https://www.tib-op.org/ojs/index.php/solarpaces/article/view/824

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Comparison of Conventional and Microwave Heating ; volume:2 ; year:2023
SolarPACES conference proceedings ; 2 (2023)

Urheber
Valverde, Cristóbal
Rodriguez-Garcia, Margarita M.
Rojas, Esther
Bayon, Rocio

DOI
10.52825/solarpaces.v2i.824
URN
urn:nbn:de:101:1-2411250542162.151771085845
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:21 MESZ

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Beteiligte

  • Valverde, Cristóbal
  • Rodriguez-Garcia, Margarita M.
  • Rojas, Esther
  • Bayon, Rocio

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