Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Hayri Sezer"'
Publikováno v:
International Journal of Occupational Safety and Health, Vol 13, Iss 4 (2023)
Introduction: Cardiac strain has become a prevalent cause of firefighters’ death. Standards and regulations set forth a framework to monitor the cardiovascular fitness of firefighters, encourage fitness and create a pathway to diagnosis or detectio
Externí odkaz:
https://doaj.org/article/f9ad70a029154f44828a2610297ab538
Autor:
Samuel Ogunfuye, Hayri Sezer, Furkan Kodakoglu, Hamed Farmahini Farahani, Ali S. Rangwala, V’yacheslav Akkerman
Publikováno v:
Fire, Vol 4, Iss 1, p 9 (2021)
Recent explosions with devastating consequences have re-emphasized the relevance of fire safety and explosion research. From earlier works, the severity of the explosion has been said to depend on various factors such as the ignition location, type o
Externí odkaz:
https://doaj.org/article/afd48ea3e5584756908aaaf6b4330a85
Publikováno v:
Rapid Prototyping Journal. 28:1750-1763
Purpose The purpose of this study is to develop a novel comprehensive three-dimensional computational model to predict the transient thermal behavior and residual stresses resulting from the layer-by-layer deposition in the direct metal laser sinteri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e86b4c1575d51c0ac4ba42cd11ce98bf
https://doi.org/10.1108/rpj-10-2021-0268
https://doi.org/10.1108/rpj-10-2021-0268
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2676:536-548
In this study, a three-dimensional (3D) mathematical model based on conduction heat transfer in a solid is developed to predict the temperature profile of large concrete elements during the hydration process at early ages. Four different concrete mix
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d83c3c2cf36d3015a6d9c2f08bcdfb4
https://doi.org/10.1177/03611981221075626
https://doi.org/10.1177/03611981221075626
Publikováno v:
Volume 2A: Advanced Manufacturing.
Laser powder bed fusion (LPBF) is an Additive Manufacturing (AM) process that uses a laser beam to solidify powder particles following a predefined pattern on a powder bed to build a part layer-by-layer as per a CAD model. In LPBF, the moving heat so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9940a122f6b036746e57bf93d764f95f
https://doi.org/10.1115/imece2022-95355
https://doi.org/10.1115/imece2022-95355
Autor:
Hayri Sezer, Ismail Celik, Jerry Hunter Mason, Gregory A. Hackett, Thomas Kalapos, William K. Epting, Harry Abernathy, Yueying Fan
Publikováno v:
ECS Transactions. 103:751-765
Abstract: Butler-Volmer Equations based on a first order approximation of global redox reaction kinetics have been used in the past successfully for design analysis of solid oxide fuel cells. Such a model forms the backbone of the widely used multidi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38c2de993320cee67579cbe57ac1997e
https://doi.org/10.1149/10301.0751ecst
https://doi.org/10.1149/10301.0751ecst
Autor:
Jerry Hunter Mason, Gregory A. Hackett, Harry Abernathy, Thomas Kalapos, William K. Epting, Ismail Celik, Hayri Sezer
Publikováno v:
ECS Transactions. 103:981-995
Spatial and transient gradients of temperature, current density, and gas species concentrations are expected to occur within large area planar solid oxide cells. These gradients can be detrimental to cell performance and stability. Such gradients are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68928b3e63ae92b6b8427aba87092002
https://doi.org/10.1149/10301.0981ecst
https://doi.org/10.1149/10301.0981ecst
Autor:
William K. Epting, Thomas Kalapos, Jerry Hunter Mason, Harry Abernathy, Hayri Sezer, Ismail Celik, Gregory A. Hackett
Publikováno v:
ECS Transactions. 103:959-972
In the present work, a transient three-dimensional multi-physics model is used to predict the impedance and polarization behavior of a planar solid oxide fuel cell (SOFC) utilizing hydrogen under varying operation conditions and flow configurations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1184933c645a4ad92dce0f4b522a4c9
https://doi.org/10.1149/10301.0959ecst
https://doi.org/10.1149/10301.0959ecst
Publikováno v:
Volume 1: Additive Manufacturing; Biomanufacturing; Life Cycle Engineering; Manufacturing Equipment and Automation; Nano/Micro/Meso Manufacturing.
In this paper, maximum stresses from the Direct Metal Laser Sintering (DMLS) process are numerically calculated for each layer using a novel computational model that has been developed to capture the layer-by-layer deposition. The computational domai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8148965a84c1586bd2ac063ce2132b18
https://doi.org/10.1115/msec2022-85777
https://doi.org/10.1115/msec2022-85777
Publikováno v:
International Journal of Hydrogen Energy. 46:6803-6816
A three-dimensional computational model is developed to predict the performance degradation of planar SOFC anodes exposed to fuel contaminants commonly present in coal syngas. The model parameters are calibrated using data from button cell experiment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf8580b3616eb54dca1fd695d05d21ca
https://doi.org/10.1016/j.ijhydene.2020.11.176
https://doi.org/10.1016/j.ijhydene.2020.11.176