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Latent heat storage devices use the melting enthalpy of a so-called phase change material (PCM) to store thermal energy. Open porous metals, such as 3D wire structures, allow the design of systems with tailored storage capacity and power. A geometric unit cell was identified, modelled and COMSOL Multiphysics was used to investigate the transient behavior of the PCM melting front within the composite...
Among the ``city-states'' in the Federal Republic of Germany, the plight of Hamburg??with respect to its electrical needs??is, if not typical, then representative of conditions that exist in other cities in the republic. To meet the growing electric needs of the populace, a Hamburg electric utility has devised a system that will take full advantage of existing services incorporated into a new ``broader...
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