Breathing building: A decentralized façade-integrated solar air-conditioning system
A decentralized adaptive solar air conditioning system is presented, which contains usual air-conditioning equipment and a new module, designed with a honeycomb structure, containing phase change material for latent thermal cold and hot energy storage. Heat recovery devices are responsible for higher system efficiency. A low-cost configuration and a multi-function deluxe version are presented,where in the second case a (magnetic) heat pump, a (magnetic) cooling device and an evaporative apparatus are added. Whereas the simple configuration is of medium cost and shows a good energy saving potential, the deluxe version is more expensive, but, on the other hand, is designed to show a higher energy saving potential. It is also expected to yield exquisite indoor hygienic and climatic conditions.
Modeling and Simulation of a Solar Air-Based Façade-Integrated Decentralized System for Retrofits
There is a significant amount of research on air-based photovoltaic/thermal (PV/T) solar collectors. However, the installed area of all air-based solar thermal systems is only 1% compared to all solar thermal systems installed. 
With open-loop mechanically ventilated air-based building integrated photovoltaic/thermal (BIPV/T) collectors, the silicon based photovoltaic panels can be operated at close to optimal power production levels all year long, without overheating in summer. In efficient, highly insulated and airtight buildings, requirements for fresh air are higher, thus solar air collectors integrated with high efficient envelopes and HVAC systems are an important part of a highly efficient building. 
This thesis is focused on development of a BIPV design methodology for solar facade applications in building envelope retrofit projects with BIPV, BIPV/T, STPV (semitransparent photovoltaics), BIPV shading devices and double skin facades with BIPV glazing. A BIPV/T assisted heat pump system and a radiant panel with short term phase change thermal storage with PCM (RPCMP) is also studied as a potential retrofit system. 
The retrofit methodology is applied to a case study office building, demonstrating that the solar facade application can contribute to energy consumption reduction in perimeter zones by up to 84%. Cases with the most promising techno-economic results demonstrate the possibility to reach energy consumption reductions by up to 56%. The most promising case selection was done using the proposed methodology employing the Net Present Value/Investment ratio over the energy savings cost ratio. Different design options are shown to be feasible for different climatic regions of Canada. 
A model with Simulink/Matlab was developed for design, optimization and operational performance studies of a novel concept for a prefabricated facade module, which consists of an air-based building integrated photovoltaic/thermal (BIPV/T) solar collector assisting a small scale decentralized exhaust heat pump integrated in or linked to facade in which heating of a perimeter zone in an office building is supplied through a radiant panel. Fresh air could be supplied by an air-based BIPV/T system in a displacement ventilation mode and extracted through central exhaust or decentralized heat recovery ventilator. With the developed model annual simulations for Prairies climate, show that there is a potential to reach net-zero energy targets for the perimeter zone with this solution. The model for the perimeter zone studies was incorporated into the existing Simulink toolbox CARNOT (2017) for future work on the system and control optimization.
Parametric optimum analysis of an irreversible regenerative magnetic Brayton refrigeration cycle
With the help of thermodynamic properties of paramagnetic materials based on statistical mechanics, the performance of an irreversible regenerative magnetic Brayton refrigeration cycle is investigated. Expressions of some important parameters such as the coefficient of performance, refrigeration load and work input are derived analytically and are used to reveal the general performance characteristics of the cycle. Moreover, the minimum ratio and the lower bound of the optimal ratio of two magnetic fields are determined and the optimal criteria of the cyclic parameters obtained. Several special cases are discussed in detail. The results obtained will be helpful to deeply understand the performance of an irreversible regenerative magnetic Brayton refrigeration cycle.