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En el instante 11 de octubre de 2025, 1:23:21 UTC,
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Añadido recurso A self-validating method via the unification of multiple models for consistent parameter identification in PEM fuel cells a A self-validating method via the unification of multiple models for consistent parameter identification in PEM fuel cells
f | 1 | { | f | 1 | { |
2 | "author": "L Blanco-Cocom, S Botello-Rionda, LC Ordo\u00f1ez, SI | 2 | "author": "L Blanco-Cocom, S Botello-Rionda, LC Ordo\u00f1ez, SI | ||
3 | Valdez", | 3 | Valdez", | ||
4 | "author_email": null, | 4 | "author_email": null, | ||
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9 | "value": "Revista" | 9 | "value": "Revista" | ||
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12 | "key": "Tipo", | 12 | "key": "Tipo", | ||
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18 | "description": "Este grupo integra las publicaciones | 18 | "description": "Este grupo integra las publicaciones | ||
19 | acad\u00e9micas derivadas de los proyectos de investigaci\u00f3n del | 19 | acad\u00e9micas derivadas de los proyectos de investigaci\u00f3n del | ||
20 | Observatorio Metropolitano CentroGeo. Incluye art\u00edculos | 20 | Observatorio Metropolitano CentroGeo. Incluye art\u00edculos | ||
21 | presentados en congresos nacionales e internacionales, manuscritos en | 21 | presentados en congresos nacionales e internacionales, manuscritos en | ||
22 | formato preprint, cap\u00edtulos de libro y trabajos publicados en | 22 | formato preprint, cap\u00edtulos de libro y trabajos publicados en | ||
23 | revistas cient\u00edficas especializadas. Estos materiales reflejan la | 23 | revistas cient\u00edficas especializadas. Estos materiales reflejan la | ||
24 | labor de investigaci\u00f3n, desarrollo metodol\u00f3gico y | 24 | labor de investigaci\u00f3n, desarrollo metodol\u00f3gico y | ||
25 | an\u00e1lisis territorial del observatorio, contribuyendo al avance | 25 | an\u00e1lisis territorial del observatorio, contribuyendo al avance | ||
26 | del conocimiento en temas urbanos, metropolitanos y geoespaciales.", | 26 | del conocimiento en temas urbanos, metropolitanos y geoespaciales.", | ||
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43 | -unification-of-multiple-models-for-consistent-paramete-5c7aa536328f", | 43 | -unification-of-multiple-models-for-consistent-paramete-5c7aa536328f", | ||
44 | "notes": "Mathematical models are used for simulating the | 44 | "notes": "Mathematical models are used for simulating the | ||
45 | electrochemical phenomena of proton-exchange-membrane (PEM) fuel | 45 | electrochemical phenomena of proton-exchange-membrane (PEM) fuel | ||
46 | cells. They differ in the scale, modeling variables, precision in | 46 | cells. They differ in the scale, modeling variables, precision in | ||
47 | specific features, and the required parameters. Often, the input | 47 | specific features, and the required parameters. Often, the input | ||
48 | parameters are not measurable and need to be estimated by minimizing | 48 | parameters are not measurable and need to be estimated by minimizing | ||
49 | the error between the model output and experimental data; however, the | 49 | the error between the model output and experimental data; however, the | ||
50 | estimated parameters could differ from one model to another, hence | 50 | estimated parameters could differ from one model to another, hence | ||
51 | provoking uncertainty about the correct values and the model\u2019s | 51 | provoking uncertainty about the correct values and the model\u2019s | ||
52 | suitability for simulating the real phenomenon. To address these | 52 | suitability for simulating the real phenomenon. To address these | ||
53 | issues, we introduced a self-validating methodology using three | 53 | issues, we introduced a self-validating methodology using three | ||
54 | different mathematical models: The first set of parameters was | 54 | different mathematical models: The first set of parameters was | ||
55 | estimated with a semi-empirical (SE) model; then, it was used for | 55 | estimated with a semi-empirical (SE) model; then, it was used for | ||
56 | computing several points of the polarization curve (PC). The SE | 56 | computing several points of the polarization curve (PC). The SE | ||
57 | parameters and points were used to estimate a second set of parameters | 57 | parameters and points were used to estimate a second set of parameters | ||
58 | and to compute a single point of the PC with a macro-homogeneous (MH) | 58 | and to compute a single point of the PC with a macro-homogeneous (MH) | ||
59 | model. The parameters and concentration profiles from the MH solution | 59 | model. The parameters and concentration profiles from the MH solution | ||
60 | were used to estimate the last set of parameters with the | 60 | were used to estimate the last set of parameters with the | ||
61 | reaction\u2013convection\u2013diffusion (SP-RCD) model, increasing the | 61 | reaction\u2013convection\u2013diffusion (SP-RCD) model, increasing the | ||
62 | detail of the simulation. The SP-RCD parameters were returned to the | 62 | detail of the simulation. The SP-RCD parameters were returned to the | ||
63 | MH model to recover the complete PC. The proposed methodology requires | 63 | MH model to recover the complete PC. The proposed methodology requires | ||
64 | a few data points to consistently recover the same PC from the three | 64 | a few data points to consistently recover the same PC from the three | ||
65 | models through estimating parameters in one model and validating them | 65 | models through estimating parameters in one model and validating them | ||
66 | in the others. As output, the method provides complete information | 66 | in the others. As output, the method provides complete information | ||
67 | about several variables and the physical properties of the catalysts. | 67 | about several variables and the physical properties of the catalysts. | ||
68 | In addition to the consistent simulation, the numerical results are | 68 | In addition to the consistent simulation, the numerical results are | ||
69 | consistent with those reported in the literature, thus validating the | 69 | consistent with those reported in the literature, thus validating the | ||
70 | proposed method.", | 70 | proposed method.", | ||
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72 | "num_tags": 11, | 72 | "num_tags": 11, | ||
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74 | "approval_status": "approved", | 74 | "approval_status": "approved", | ||
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97 | electrochemical phenomena of proton-exchange-membrane (PEM) fuel | ||||
98 | cells. They differ in the scale, modeling variables, precision in | ||||
99 | specific features, and the required parameters. Often, the input | ||||
100 | parameters are not measurable and need to be estimated by minimizing | ||||
101 | the error between the model output and experimental data; however, the | ||||
102 | estimated parameters could differ from one model to another, hence | ||||
103 | provoking uncertainty about the correct values and the model\u2019s | ||||
104 | suitability for simulating the real phenomenon. To address these | ||||
105 | issues, we introduced a self-validating methodology using three | ||||
106 | different mathematical models: The first set of parameters was | ||||
107 | estimated with a semi-empirical (SE) model; then, it was used for | ||||
108 | computing several points of the polarization curve (PC). The SE | ||||
109 | parameters and points were used to estimate a second set of parameters | ||||
110 | and to compute a single point of the PC with a macro-homogeneous (MH) | ||||
111 | model. The parameters and concentration profiles from the MH solution | ||||
112 | were used to estimate the last set of parameters with the | ||||
113 | reaction\u2013convection\u2013diffusion (SP-RCD) model, increasing the | ||||
114 | detail of the simulation. The SP-RCD parameters were returned to the | ||||
115 | MH model to recover the complete PC. The proposed methodology requires | ||||
116 | a few data points to consistently recover the same PC from the three | ||||
117 | models through estimating parameters in one model and validating them | ||||
118 | in the others. As output, the method provides complete information | ||||
119 | about several variables and the physical properties of the catalysts. | ||||
120 | In addition to the consistent simulation, the numerical results are | ||||
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171 | "title": "A self-validating method via the unification of multiple | 222 | "title": "A self-validating method via the unification of multiple | ||
172 | models for consistent parameter identification in PEM fuel cells", | 223 | models for consistent parameter identification in PEM fuel cells", | ||
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