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Entropy Analysis of the Process of Burning of a Gas in the Furnace of a Water-Tube Boiler with a Secondary Radiator.

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Title: Entropy Analysis of the Process of Burning of a Gas in the Furnace of a Water-Tube Boiler with a Secondary Radiator.
Authors: Redko, Andriy1 (AUTHOR) andrey.ua-mail@ukr.net, Redko, Igor2 (AUTHOR), Burda, Yurii1 (AUTHOR), Pavlovskiiy, Serhii1 (AUTHOR), Redko, Oleksandr1 (AUTHOR), Davidenko, Anastasiia1 (AUTHOR)
Source: Journal of Engineering Physics & Thermophysics. Jan2021, Vol. 94 Issue 1, p210-218. 9p.
Subjects: Gas furnaces, Entropy, Boilers, Steam generators, Heat of combustion, Combustion products
Abstract: An analytical study has been made of the operating processes of burning of natural gas in the furnace of a steam water-tube boiler. The authors have determined the fields of the combustion-product temperature and of the heat-flux density in the furnace volume, and also the thermodynamic parameters of the reaction of combustion of methane and the enthalpy and entropy change of combustion products in the furnace with a secondary radiator and without it. The distribution of the entropy fields has been given and the regions of high entropy production near heat-transfer surfaces during the heat exchange of combustion products have been determined. To obtain optimum results, the authors used the model of minimum entropy generation in the thermodynamic system. An exergy analysis has been made of the operating processes of the chemical reactions of combustion and heat exchange of the combustion products with the tubular surfaces of the steam boiler. The influence of structural and regime parameters of the boiler furnace on the exergy loss has been shown. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Engineering Physics & Thermophysics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Entropy Analysis of the Process of Burning of a Gas in the Furnace of a Water-Tube Boiler with a Secondary Radiator.
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Engineering+Physics+%26+Thermophysics%22">Journal of Engineering Physics & Thermophysics</searchLink>. Jan2021, Vol. 94 Issue 1, p210-218. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Gas+furnaces%22">Gas furnaces</searchLink><br /><searchLink fieldCode="DE" term="%22Entropy%22">Entropy</searchLink><br /><searchLink fieldCode="DE" term="%22Boilers%22">Boilers</searchLink><br /><searchLink fieldCode="DE" term="%22Steam+generators%22">Steam generators</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+of+combustion%22">Heat of combustion</searchLink><br /><searchLink fieldCode="DE" term="%22Combustion+products%22">Combustion products</searchLink>
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  Data: An analytical study has been made of the operating processes of burning of natural gas in the furnace of a steam water-tube boiler. The authors have determined the fields of the combustion-product temperature and of the heat-flux density in the furnace volume, and also the thermodynamic parameters of the reaction of combustion of methane and the enthalpy and entropy change of combustion products in the furnace with a secondary radiator and without it. The distribution of the entropy fields has been given and the regions of high entropy production near heat-transfer surfaces during the heat exchange of combustion products have been determined. To obtain optimum results, the authors used the model of minimum entropy generation in the thermodynamic system. An exergy analysis has been made of the operating processes of the chemical reactions of combustion and heat exchange of the combustion products with the tubular surfaces of the steam boiler. The influence of structural and regime parameters of the boiler furnace on the exergy loss has been shown. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Engineering Physics & Thermophysics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10891-021-02297-7
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 210
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      – SubjectFull: Gas furnaces
        Type: general
      – SubjectFull: Entropy
        Type: general
      – SubjectFull: Boilers
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      – SubjectFull: Steam generators
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      – SubjectFull: Heat of combustion
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      – SubjectFull: Combustion products
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      – TitleFull: Entropy Analysis of the Process of Burning of a Gas in the Furnace of a Water-Tube Boiler with a Secondary Radiator.
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              Text: Jan2021
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              Y: 2021
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