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    Isobaric Heat Capacity and Density of Supercritical H2O/CO2 Mixtures: Measurements in a Multifunction Apparatus

    Source: ASME Journal of Heat and Mass Transfer:;2022:;volume( 145 ):;issue: 002::page 24501-1
    Author:
    Zhang, Hanlin
    ,
    Wu, Haomin
    ,
    Li, Sha
    ,
    Liu, Dong
    ,
    Li, Qiang
    DOI: 10.1115/1.4056229
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Studies on the thermophysical properties of H2O/CO2 mixtures for supercritical conditions, typical for a promising power generation system are far fewer than those for typical conditions of CO2 capture and storage (lower temperatures and pressures). In the previous heat transfer studies, we have setup a high-temperature and high-pressure apparatus. Here, we have extended it to a multifunction apparatus to enable the measurements of both the isobaric heat capacity and density that are important for the understanding and prediction of heat transfer behaviors, besides the design of the power generation system. For the experimental conditions, the pressure is 24 MPa, the temperatures range from 300 °C to 410 °C, and the CO2 mass fractions are 10%, 15%, and 18.5%. The isobaric heat capacities have been measured using the flow calorimeter method. The expanded relative uncertainty is 8.2% for temperatures beyond ±4 °C from the pseudocritical point and is 18.2% near the pseudocritical point. The densities were obtained from the measurements of the pressure drops with an expanded relative uncertainty of 4.8%. These two methods were validated by supercritical pure water experiments. The isobaric heat capacity and density data given in this work, as well as our previous heat transfer data, are self-consistent regarding the pseudocritical temperatures of supercritical H2O/CO2 mixtures.
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      Isobaric Heat Capacity and Density of Supercritical H2O/CO2 Mixtures: Measurements in a Multifunction Apparatus

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    contributor authorZhang, Hanlin
    contributor authorWu, Haomin
    contributor authorLi, Sha
    contributor authorLiu, Dong
    contributor authorLi, Qiang
    date accessioned2023-08-16T18:25:23Z
    date available2023-08-16T18:25:23Z
    date copyright12/9/2022 12:00:00 AM
    date issued2022
    identifier issn2832-8450
    identifier otherht_145_02_024501.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4291936
    description abstractStudies on the thermophysical properties of H2O/CO2 mixtures for supercritical conditions, typical for a promising power generation system are far fewer than those for typical conditions of CO2 capture and storage (lower temperatures and pressures). In the previous heat transfer studies, we have setup a high-temperature and high-pressure apparatus. Here, we have extended it to a multifunction apparatus to enable the measurements of both the isobaric heat capacity and density that are important for the understanding and prediction of heat transfer behaviors, besides the design of the power generation system. For the experimental conditions, the pressure is 24 MPa, the temperatures range from 300 °C to 410 °C, and the CO2 mass fractions are 10%, 15%, and 18.5%. The isobaric heat capacities have been measured using the flow calorimeter method. The expanded relative uncertainty is 8.2% for temperatures beyond ±4 °C from the pseudocritical point and is 18.2% near the pseudocritical point. The densities were obtained from the measurements of the pressure drops with an expanded relative uncertainty of 4.8%. These two methods were validated by supercritical pure water experiments. The isobaric heat capacity and density data given in this work, as well as our previous heat transfer data, are self-consistent regarding the pseudocritical temperatures of supercritical H2O/CO2 mixtures.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleIsobaric Heat Capacity and Density of Supercritical H2O/CO2 Mixtures: Measurements in a Multifunction Apparatus
    typeJournal Paper
    journal volume145
    journal issue2
    journal titleASME Journal of Heat and Mass Transfer
    identifier doi10.1115/1.4056229
    journal fristpage24501-1
    journal lastpage24501-5
    page5
    treeASME Journal of Heat and Mass Transfer:;2022:;volume( 145 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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