scholarly journals Machining Property in Smoothing of Steeply Curved Surfaces by Elastic Emission Machining

Procedia CIRP ◽  
2014 ◽  
Vol 13 ◽  
pp. 198-202 ◽  
Author(s):  
Takahiro Hirata ◽  
Yoshinori Takei ◽  
Hidekazu Mimura
Keyword(s):  
Curved Surfaces ◽  
Elastic Emission Machining

Flexible Sensors for NDI of Curved Surfaces on Turbofan Components

2018 ◽  
Author(s):  
Evan Weststrate ◽  
◽  
Michael S. Squillante ◽  
Sergey Chekanov
Keyword(s):  
Curved Surfaces ◽  
Flexible Sensors

scholarly journals Stretchable micro-scale concentrator photovoltaic module with 15.4% efficiency for three-dimensional curved surfaces

2021 ◽  
Vol 2 (1) ◽  
Author(s):  
Daisuke Sato ◽  
Taizo Masuda ◽  
Kenji Araki ◽  
Masafumi Yamaguchi ◽  
Kenichi Okumura ◽  
...  
Keyword(s):  
Concentration Ratio ◽  
Power Conversion ◽  
Three Dimensional ◽  
Thin Film Solar Cells ◽  
Photovoltaic Module ◽  
Silicon Compound ◽  
Curved Surfaces ◽  
Power Sources ◽  
Micro Scale ◽  
Module Design

AbstractStretchable photovoltaics are emerging power sources for collapsible electronics, biomedical devices, and buildings and vehicles with curved surfaces. Development of stretchable photovoltaics are crucial to achieve rapid growth of the future photovoltaic market. However, owing to their rigidity, existing thin-film solar cells based predominantly on silicon, compound semiconductors, and perovskites are difficult to apply to 3D curved surfaces, which are potential real-world candidates. Herein, we present a stretchable micro-scale concentrator photovoltaic module with a geometrical concentration ratio of 3.5×. When perfectly fitted on a 3D curved surface with a sharp curvature, the prototype module achieves an outdoor power conversion efficiency of 15.4% and the daily generated electricity yield improves to a maximum of 190% relative to a non-concentration stretchable photovoltaic module. Thus, this module design enables high areal coverage on 3D curved surfaces, while generating a higher electricity yield in a limited installation area.

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