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A Dynamic Thermal Network Model Applied To Ventilated Attics, Johan Claesson, Petter Wallentén
A Dynamic Thermal Network Model Applied To Ventilated Attics, Johan Claesson, Petter Wallentén
International Building Physics Conference 2018
The need for tools to analyze heat and moisture behavior in wooden constructions is increasing with the increasing awareness of the moisture problems. An example of a construction with a history of mould problems is cold attics. Most heat models of attics use a lumped node technique for energy balance and ignore the variation in heat transfer coefficients. A model based on so called dynamic thermal networks has been developed that takes into account radiation between the interior surfaces and the different boundary conditions at the outside and inside surfaces. The first step is to develop analytical solutions for the …
Considerations On The Thermal Modelling Of Insulated Metal Panel Systems, Ligia Moga, Ioan Moga
Considerations On The Thermal Modelling Of Insulated Metal Panel Systems, Ligia Moga, Ioan Moga
International Building Physics Conference 2018
The very strict regulations imposed by the European directives regarding low energy consumptions of buildings imposes the availability of thermal and energy efficient solutions for the building envelope. One common solution is given by insulated metal penal systems, which are typically used for industrial buildings but lately also used for other types of buildings (e.g. residential buildings, hotels, hospitals). These types of solutions must be properly addressed from the thermal modelling and simulation point of view considering a different thermal behaviour due to its detail components. For insulated metal penal systems the typical calculations are done by considering only the …