Results 21 to 30 of about 12,864,962 (300)

On the Potential Self-Amplification of Aneurysms Due to Tissue Degradation and Blood Flow Revealed From FSI Simulations

open access: yesFrontiers in Physiology, 2021
Tissue degradation plays a crucial role in the formation and rupture of aneurysms. Using numerical computer simulations, we study the combined effects of blood flow and tissue degradation on intra-aneurysm hemodynamics. Our computational analysis reveals
Haifeng Wang   +4 more
doaj   +1 more source

Multistage performance deterioration in n-type crystalline silicon photovoltaic modules undergoing potential-induced degradation [PDF]

open access: yes, 2018
This study addresses the behavior of n-type front-emitter (FE) crystalline-silicon (c-Si) photovoltaic (PV) modules in potential-induced degradation (PID) tests with a long duration of up to 20 days.
Masuda, Atsushi   +7 more
core   +1 more source

In‐depth analysis of potential‐induced degradation in a commercial CIGS PV module

open access: yesProgress in Photovoltaics: Research and Applications, 2023
AbstractA post‐mortem analysis is conducted after potential‐induced degradation (PID) of a commercial copper‐indium‐gallium‐selenide (CIGS) photovoltaic module. After PID, the conversion efficiency of the total module decreased by 62%. Electroluminescence images of the module show that the edges of the modules were much more affected by the PID than ...
Yilmaz, P.   +6 more
openaire   +3 more sources

Comprehensive study of potential‐induced degradation in silicon heterojunction photovoltaic cell modules [PDF]

open access: yes, 2018
Accelerated tests were used to study potential-induced degradation (PID) in photovoltaic (PV) modules fabricated from silicon heterojunction (SHJ) solar cells containing tungsten-doped indium oxide (IWO) transparent conductive films on both sides of the ...
Masuda, Atsushi   +7 more
core   +1 more source

Environmental Risk of Polymer and their Degradation Products [PDF]

open access: yes, 2013
Polymer-based materials are found everywhere in the environment, but their impacts are yet to be fully understood. The degradation of different polymer types has been extensively investigated under specific laboratory conditions.
Lambert, Scott
core   +6 more sources

Power loss and hotspot analysis for photovoltaic modules affected by potential induced degradation

open access: yesnpj Materials Degradation, 2022
Potential-induced degradation (PID) of photovoltaic (PV) modules is one of the most severe types of degradation in modern modules, where power losses depend on the strength of the electric field, the temperature and relative humidity, and the PV module ...
Mahmoud Dhimish, Andy M. Tyrrell
doaj   +1 more source

Potential-Induced Degradation of the Shunting Type: on the Origin of Sodium in Shunt Paths

open access: yes, 2022
Potential-induced degradation rapidly and significantly affects the photovoltaic (PV) module's performance due to a high potential difference across the PV cell and the grounded module's frame.[1] PID has various types where PID of the shunting type (PID-
DAENEN, Michael   +4 more
core   +1 more source

Direct observation of changes in the effective minority-carrier lifetime of SiNx-passivated n-type crystalline-silicon substrates caused by potential-induced degradation and recovery tests [PDF]

open access: yes, 2017
We directly observed reductions in the effective minority-carrier lifetime (τ_) of n-type crystalline silicon (c-Si) substrates with silicon-nitride passivation films caused by potential-induced degradation (PID).
Naoyuki Nishikawa   +5 more
core   +1 more source

Practical Experience of Operational Diagnostics and Defectoscopy on Photovoltaic Installations in the Czech Republic

open access: yesEnergies, 2015
Fundamental changes concerning the development of photovoltaic (PV) installations in the Czech Republic (CR) have occurred after 2010. The limits (and subsequent termination) of support for the newly installed PV power plants (cancellation of purchase ...
Petr Mastny, Jan Moravek, Jiri Drapela
doaj   +1 more source

Changes in the current density-voltage and external quantum efficiency characteristics of n-type single-crystalline silicon photovoltaic modules with a rear-side emitter undergoing potential-induced degradation [PDF]

open access: yes, 2016
This study addresses the potential-induced degradation (PID) of n-type single-crystalline silicon (sc-Si) photovoltaic (PV) modules with a rear-side emitter.
Masuda, Atsushi   +2 more
core   +1 more source

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