A Numerical Study on the Validity of the Local Equilibrium Hypothesis in Modeling Hydrogen Thermal Desorption Spectra
We present a systematic benchmark study on different numerical models for analyzing hydrogen thermal desorption spectra, by focusing on the adoption of the local equilibrium hypothesis in these models. We find that the direct numerical method of the full set of the extended mass conservation equatio...
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| Veröffentlicht in: | ISIJ International 2009/12/15, Vol.49(12), pp.1907-1913 |
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| container_end_page | 1913 |
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| container_issue | 12 |
| container_start_page | 1907 |
| container_title | ISIJ International |
| container_volume | 49 |
| creator | Ebihara, Ken-ichi Kaburaki, Hideo Suzudo, Tomoaki Takai, Kenichi |
| description | We present a systematic benchmark study on different numerical models for analyzing hydrogen thermal desorption spectra, by focusing on the adoption of the local equilibrium hypothesis in these models. We find that the direct numerical method of the full set of the extended mass conservation equations is only able to predict the experimental behavior of thermal desorption spectra for pure iron in the thin specimen limit, while other models incorporating the local equilibrium hypothesis fail to predict this behavior. |
| doi_str_mv | 10.2355/isijinternational.49.1907 |
| format | Article |
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We find that the direct numerical method of the full set of the extended mass conservation equations is only able to predict the experimental behavior of thermal desorption spectra for pure iron in the thin specimen limit, while other models incorporating the local equilibrium hypothesis fail to predict this behavior.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>hydrogen diffusion</subject><subject>hydrogen state</subject><subject>local equilibrium</subject><subject>Metals. 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| language | eng |
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| subjects | Applied sciences Exact sciences and technology hydrogen diffusion hydrogen state local equilibrium Metals. Metallurgy numerical simulation thermal desorption analysis |
| title | A Numerical Study on the Validity of the Local Equilibrium Hypothesis in Modeling Hydrogen Thermal Desorption Spectra |
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