Utilisation of bleed steam heat to increase the upper heat source temperature in low-temperature ORC.
Saved in:
| Title: | Utilisation of bleed steam heat to increase the upper heat source temperature in low-temperature ORC. |
|---|---|
| Authors: | Mikielewicza, Dariusz1 Dariusz.Mikielewicz@pg.gda.pl, Mikielewicz, Jarosław2 |
| Source: | Archives of Thermodynamics. 2011, Vol. 32 Issue 3, p57-70. 14p. |
| Subjects: | Steam heating, Low temperatures, Rankine cycle, Power plants, Performance evaluation, Waste gases, Toluene, Ethanol |
| Abstract: | In the paper presented is a novel concept to utilize the heat from the turbine bleed to improve the quality of working fluid vapour in the bottoming organic Rankine cycle (ORC). That is a completely novel solution in the literature, which contributes to the increase of ORC efficiency and the overall efficiency of the combined system of the power plant and ORC plant. Calculations have been accomplished for the case when available is a flow rate of low enthalpy hot water at a temperature of 90 oC, which is used for preliminary heating of the working fluid. That hot water is obtained as a result of conversion of exhaust gases in the power plant to the energy of hot water. Then the working fluid is further heated by the bleed steam to reach 120 oC. Such vapour is subsequently directed to the turbine. In the paper 5 possible working fluids were examined, namely R134a, MM, MDM, toluene and ethanol. Only under conditions of 120 oC/40 oC the silicone oil MM showed the best performance, in all other cases the ethanol proved to be best performing fluid of all. Results are compared with the "stand alone" ORC module showing its superiority. [ABSTRACT FROM AUTHOR] |
| Copyright of Archives of Thermodynamics is the property of Szewalski Institute of Fluid-Flow Machinery 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 |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
|---|---|
| Header | DbId: egs DbLabel: Engineering Source An: 70707250 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
| IllustrationInfo | |
| Items | – Name: Title Label: Title Group: Ti Data: Utilisation of bleed steam heat to increase the upper heat source temperature in low-temperature ORC. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Mikielewicza%2C+Dariusz%22">Mikielewicza, Dariusz</searchLink><relatesTo>1</relatesTo><i> Dariusz.Mikielewicz@pg.gda.pl</i><br /><searchLink fieldCode="AR" term="%22Mikielewicz%2C+Jarosław%22">Mikielewicz, Jarosław</searchLink><relatesTo>2</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Archives+of+Thermodynamics%22">Archives of Thermodynamics</searchLink>. 2011, Vol. 32 Issue 3, p57-70. 14p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Steam+heating%22">Steam heating</searchLink><br /><searchLink fieldCode="DE" term="%22Low+temperatures%22">Low temperatures</searchLink><br /><searchLink fieldCode="DE" term="%22Rankine+cycle%22">Rankine cycle</searchLink><br /><searchLink fieldCode="DE" term="%22Power+plants%22">Power plants</searchLink><br /><searchLink fieldCode="DE" term="%22Performance+evaluation%22">Performance evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+gases%22">Waste gases</searchLink><br /><searchLink fieldCode="DE" term="%22Toluene%22">Toluene</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanol%22">Ethanol</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: In the paper presented is a novel concept to utilize the heat from the turbine bleed to improve the quality of working fluid vapour in the bottoming organic Rankine cycle (ORC). That is a completely novel solution in the literature, which contributes to the increase of ORC efficiency and the overall efficiency of the combined system of the power plant and ORC plant. Calculations have been accomplished for the case when available is a flow rate of low enthalpy hot water at a temperature of 90 oC, which is used for preliminary heating of the working fluid. That hot water is obtained as a result of conversion of exhaust gases in the power plant to the energy of hot water. Then the working fluid is further heated by the bleed steam to reach 120 oC. Such vapour is subsequently directed to the turbine. In the paper 5 possible working fluids were examined, namely R134a, MM, MDM, toluene and ethanol. Only under conditions of 120 oC/40 oC the silicone oil MM showed the best performance, in all other cases the ethanol proved to be best performing fluid of all. Results are compared with the "stand alone" ORC module showing its superiority. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Archives of Thermodynamics is the property of Szewalski Institute of Fluid-Flow Machinery 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.) |
| PLink | https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=70707250 |
| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.2478/v10173-011-0013-5 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 14 StartPage: 57 Subjects: – SubjectFull: Steam heating Type: general – SubjectFull: Low temperatures Type: general – SubjectFull: Rankine cycle Type: general – SubjectFull: Power plants Type: general – SubjectFull: Performance evaluation Type: general – SubjectFull: Waste gases Type: general – SubjectFull: Toluene Type: general – SubjectFull: Ethanol Type: general Titles: – TitleFull: Utilisation of bleed steam heat to increase the upper heat source temperature in low-temperature ORC. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Mikielewicza, Dariusz – PersonEntity: Name: NameFull: Mikielewicz, Jarosław IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: 2011 Type: published Y: 2011 Identifiers: – Type: issn-print Value: 12310956 Numbering: – Type: volume Value: 32 – Type: issue Value: 3 Titles: – TitleFull: Archives of Thermodynamics Type: main |
| ResultId | 1 |
