Coupling problem in thermal systems simulations
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hdl:2117/101606
Tipus de documentProjecte Final de Màster Oficial
Data2017-01-12
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Building energy simulation is playing a key role in building design in order to reduce the energy
consumption and, consequently, the CO2 emissions. An object-oriented tool called NEST
is used to simulate all the phenomena that appear in a building. In the case of energy and momentum
conservation and species transport, the current solver behaves well, but in the case of
mass conservation it takes a lot of time to reach a solution. For this reason, in this work, instead
of solving the continuity equations explicitly, an implicit method based on the Trust Region algorithm
is proposed. Previously, a study of the properties of the model used by NEST-Building
software has been done in order to simplify the requirements of the solver. For a building with
only 9 rooms the new solver is a thousand times faster than the current method.
TitulacióMÀSTER UNIVERSITARI EN ENGINYERIA INDUSTRIAL (Pla 2014)
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Fitxers | Descripció | Mida | Format | Visualitza |
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master-thesis.pdf | 1,231Mb | Visualitza/Obre |