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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/43161

    Título
    Speed of sound for three binary (CH4 + H2) mixtures from p = (0.5 up to 20) MPa at T = (273.16 to 375) K
    Autor
    Lozano Martín, DanielAutoridad UVA Orcid
    Martín González, María del CarmenAutoridad UVA Orcid
    Chamorro Camazón, César RubénAutoridad UVA Orcid
    Tuma, Dirk
    Segovia Puras, José JuanAutoridad UVA Orcid
    Año del Documento
    2020
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    International Journal of Hydrogen Energy 2020 45(7), pp. 4765-4783
    Abstract
    Speed of sound is one of the thermodynamic properties that can be measured with least uncertainty and is of great interest in developing equations of state. Moreover, accurate models are needed by the H2 industry to design the transport and storage stages of hydrogen blends in the natural gas network. This research aims to provide accurate data for (CH4 + H2) mixtures of nominal (5, 10, and 50) mol-% of hydrogen, in the p = (0.5 up to 20) MPa pressure range and with temperatures T = (273.16, 300, 325, 350, and 375) K. Using an acoustic spherical resonator, speed of sound was determined with an overall relative expanded (k = 2) uncertainty of 220 parts in 106 (0.022 %). Data were compared to reference equations of state for natural gas-like mixtures, such as AGA8-DC92 and GERG-2008. Average absolute deviations below 0.095% and percentage deviations between 0.029% and up to 0.30%, respectively, were obtained. Additionally, results were fitted to the acoustic virial equation of state and adiabatic coefficients, molar isochoric heat capacities and molar isobaric heat capacities as perfect-gas, together with second and third acoustic virial coefficients, and were estimated. Density second virial coefficients were also obtained.
    Materias (normalizadas)
    Termodinámica
    Materias Unesco
    3322.05 Fuentes no Convencionales de Energía
    Palabras Clave
    Speed of sound
    Acoustic resonator
    Methane
    Hydrogen
    Heat capacities as perfect gas
    Virial coefficients
    ISSN
    0360-3199
    Revisión por pares
    SI
    DOI
    10.1016/j.ijhydene.2019.12.012
    Patrocinador
    Ministerio de Economía, Industria y Competitividad project ENE2017-88474-R
    Junta de Castilla y León VA280P18
    Version del Editor
    https://www.journals.elsevier.com/international-journal-of-hydrogen-energy
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/43161
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • BioEcoUVa - Artículos de revista [195]
    • DEP46 - Artículos de revista [100]
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    Universidad de Valladolid

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