Yushi Heta
DuPont
9 Papers
16 Citations
Yushi Heta is an academic researcher from DuPont. The author has contributed to research in topics: Durability & Abrasion (mechanical). The author has an hindex of 5, co-authored 9 publications.
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Papers
A Comparison of Key PV Backsheet and Module Performance from Fielded Module Exposures and Accelerated Tests
William J. Gambogi,Yushi Heta,K. Hashimoto,J. Kopchick,T. Felder,Macmaster Steven William,Alexander Z. Bradley,B. Hamzavytehrany,Lucie Garreau-Iles,T. Aoki,K.M. Stika,T. J. Trout,T. Sample +12 more
TL;DR: In this paper, the performance of photovoltaic (PV) modules and their component materials under the stresses in the outdoor environment is the most important indicator of reliability, durability, and safety of PV modules throughout their service life.
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Weathering and durability of PV backsheets and impact on PV module performance
William J. Gambogi,Yushi Heta,K. Hashimoto,James G. Kopchick,Thomas C. Felder,Macmaster Steven William,Alexander Zak Bradley,B. Hamzavytehraney,V. Felix,T. Aoki,Katherine M. Stika,L. Garreau-Illes,Torence John Trout +12 more
- 24 Sep 2013
TL;DR: In this paper, the aging and degradation of polymeric backsheets of photovoltaic panels from the field is discussed. And how these changes correlate to accelerated testing results, and how accelerated tests can be modified to better match observations in the field.
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Survey of Material Degradation in Globally Fielded PV Modules
Jared Tracy,Kaushik Roy Choudhury,William J. Gambogi,Thomas C. Felder,Lucie Garreau-Iles,Hongjie Hu,T. John Trout,Rahul Khatri,Xia Ji,Yushi Heta +9 more
- 16 Jun 2019
TL;DR: In this article, DuPont has developed an unprecedented global program for evaluating and assessing degradation of module components and materials in the field, which includes over 355 installations that account for nearly 2 GW of power, with module service lives ranging from years to decades.
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PV Module Durability -connecting field results, accelerated testing, and materials
T. John Trout,William J. Gambogi,T. Felder,Kaushik Roy Choudhury,Lucie Garreau-Iles,Yushi Heta,K.M. Stika +6 more
- 01 Jun 2017
TL;DR: In this paper, the authors discuss the framework employed at DuPont for using the analysis of modules from the field to guide development of accelerated tests and understand aging and degradation of PV modules, components and materials.
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Assessment of PV module durability using accelerated and outdoor performance analysis and comparisons
William J. Gambogi,Yushi Heta,James G. Kopchick,T. Felder,Macmaster Steven William,Alexander Z. Bradley,Babak Hamzavytehrany,Bao-Ling Yu,Katherine M. Stika,T. John Trout,Lucie Garreau-Iles,Oakland Fu,Hongjie Hu +12 more
- 08 Jun 2014
TL;DR: In this paper, the authors reviewed analysis of photovoltaic modules taken from the field and discussed changes in the module performance as they relate to materials performance and changes in accelerated durability testing and compared changes in module performance and safety to those observed in the field.
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