Przemyslaw NiedzielskiLodz University of Technology · Department of Semiconductor and Optoelectronic Devices
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Citations since 2016
5 Research Items
Hybrid photovoltaic thermal (PVT) modules have gained more attention because of their benefits of higher total efficiency and lower gross area of installation in comparison with photovoltaic (PV) or solar thermal collectors (T). Although international standards for separate panels, photovoltaics, or thermal collectors are available, the lack of tes...
This paper examined the impact of optical fiber sensor design, and its integration to PVC (polyvinyl chloride) sheet piles, on deflection and strain monitoring. Optical fiber sensors based on Brillouin light backscattering (BLS) were prepared, as they can provide accurate strain and deflection measurement results. However, depending on the applicat...
The present paper focuses on the high-pressure metal-organic vapor phase epitaxy (MOVPE) upside-down vertical reactor (where the inlet of cold gases is below a hot susceptor). This study aims to investigate thermo-kinetic phenomena taking place during the GaN (gallium nitride) growth process using trimethylgallium and ammonia at a pressure of above...
Numerical analysis of the trimethylgallium (TMGa) decomposition during epitaxy growth process was analysed. The main aim is to compare previously published trimethylgallium decomposition models. Hence, thermo-fluidic and species transport simulations of the MOVPE (metal-organic vapour phase epitaxy) reactor were performed. Study is focused on a sim...