Indoor environment conditions and energy performance of a residential building constructed in SIP technology - computer simulations and measured parameters comparison.
Translated title
Indeklima og energiforbrug i en boligbygning bygget i SIP teknologi - sammenligning af målte parametre og computersimuleringer.
Author
Swiniarski, Adam Emil
Term
4. term
Publication year
2018
Submitted on
2018-06-07
Pages
148
Abstract
Dette projekt undersøger, hvor godt computersimuleringer stemmer overens med virkelige målinger af indeklimaet i et hus opført med sandwichpaneler (flere lag, typisk isolering mellem to plader). Bygningen er DC-System Insulation A/S' Test House, og arbejdet er udført i samarbejde med virksomheden. Der laves detaljerede beregninger af varmetransport i COMSOL Multiphysics og analyser af tredimensionelle, tidsafhængige modeller, som sammenholdes med termografiske billeder (varmekamera). Derudover udføres materialetests og målinger af vejret for at skaffe præcise input til BSim-simuleringer, som er kernen i projektet. Programmets resultater sammenlignes med målinger af rumtemperaturer og det absolutte vandindhold (fugt) i vægkonstruktionen i den virkelige bygning. Til sidst varieres input, og der gennemføres en følsomhedsanalyse for at identificere de mest indflydelsesrige parametre.
This project examines how well computer simulations match real measurements of the indoor environment in a house built with sandwich panels (multi-layer elements, typically insulation between two facings). The building is DC-System Insulation A/S' Test House, and the work was carried out in collaboration with the company. Detailed heat transfer calculations are performed in COMSOL Multiphysics, and three-dimensional, time-dependent models are analyzed and compared with thermal images (infrared camera). In addition, materials testing and weather measurements are conducted to provide precise input for BSim simulations, which are the core of the project. The program's outputs are compared with measured room temperatures and the absolute water content (moisture) inside the wall construction of the actual building. Finally, input parameters are varied, and a sensitivity analysis is performed to identify the most influential factors.
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