Fletta eftir efnisorði "Varmi"

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Implicit Equation for Photovoltaic Module Temperature and Efficiency via Heat Transfer Computational Model

Hassanian, Reza; Riedel, Morris; Helgadottir, Asdis; Yeganeh, Nashmin; Unnthorsson, Runar (MDPI AG, 2022-02-21)

This paper evaluates the photovoltaic (PV) module operating temperature’s relation to efficiency via a numerical heat transfer model. The literature reports that higher PV module operating temperatures impact PV module efficiency. There are dozens of ...
Silicon on a graphene nanosheet with triangle- and dot-shape: Electronic structure, specific heat, and thermal conductivity from first-principle calculations

Rashid, Hunar Omar; Abdullah, Nzar; Gudmundsson, Vidar (Elsevier BV, 2019-12)

The electronic structure, specific heat, and thermal conductivity of silicon embedded in a monolayer graphene nanosheet are studied using Density Functional Theory. Two different shapes of the substitutional Si doping in the graphene are studied, a ...
Subglacial volcanic and geothermal activity: Measurement and modelling of heat flow

Reynolds, Hannah Iona (University of Iceland, School of Engineering and Natural Sciences, Faculty of Earth Sciences, 2017-12-18)

Thermal anomalies are observed at many volcanoes, resulting from geothermal and magmatic activity, and are usually difficult to quantify since the measurement of heat fluxes from the ground to the atmosphere is subject to large uncertainties. However, ...

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