Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners
Identifieur interne : 000E92 ( Istex/Corpus ); précédent : 000E91; suivant : 000E93Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners
Auteurs : Hans Kremer ; Gerd Sch FerSource :
- Symposium (International) on Combustion [ 0082-0784 ] ; 1973.
Abstract
The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.Conclusions for the optimum design of tunnel burners are drawn.
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DOI: 10.1016/S0082-0784(73)80066-9
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title><author><name sortKey="Kremer, Hans" sort="Kremer, Hans" uniqKey="Kremer H" first="Hans" last="Kremer">Hans Kremer</name><affiliation><mods:affiliation>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</mods:affiliation></affiliation></author><author><name sortKey="Sch Fer, Gerd" sort="Sch Fer, Gerd" uniqKey="Sch Fer G" first="Gerd" last="Sch Fer">Gerd Sch Fer</name><affiliation><mods:affiliation>Haller-Meurer Werke AG, Hamburg, W. Germany</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:F4499F808BF4EA74A097FBC9DBB9DA25E0E50891</idno><date when="1973" year="1973">1973</date><idno type="doi">10.1016/S0082-0784(73)80066-9</idno><idno type="url">https://api.istex.fr/document/F4499F808BF4EA74A097FBC9DBB9DA25E0E50891/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000E92</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000E92</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title><author><name sortKey="Kremer, Hans" sort="Kremer, Hans" uniqKey="Kremer H" first="Hans" last="Kremer">Hans Kremer</name><affiliation><mods:affiliation>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</mods:affiliation></affiliation></author><author><name sortKey="Sch Fer, Gerd" sort="Sch Fer, Gerd" uniqKey="Sch Fer G" first="Gerd" last="Sch Fer">Gerd Sch Fer</name><affiliation><mods:affiliation>Haller-Meurer Werke AG, Hamburg, W. Germany</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Symposium (International) on Combustion</title><title level="j" type="abbrev">SICOM</title><idno type="ISSN">0082-0784</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1973">1973</date><biblScope unit="volume">14</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="707">707</biblScope><biblScope unit="page" to="717">717</biblScope></imprint><idno type="ISSN">0082-0784</idno></series><idno type="istex">F4499F808BF4EA74A097FBC9DBB9DA25E0E50891</idno><idno type="DOI">10.1016/S0082-0784(73)80066-9</idno><idno type="PII">S0082-0784(73)80066-9</idno><idno type="ArticleID">80066</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0082-0784</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.Conclusions for the optimum design of tunnel burners are drawn.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>Hans Kremer</name><affiliations><json:string>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</json:string></affiliations></json:item><json:item><name>Gerd Schäfer</name><affiliations><json:string>Haller-Meurer Werke AG, Hamburg, W. Germany</json:string></affiliations></json:item></author><articleId><json:string>80066</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.Conclusions for the optimum design of tunnel burners are drawn.</abstract><qualityIndicators><score>5.463</score><pdfVersion>1.3</pdfVersion><pdfPageSize>612 x 792 pts (letter)</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>1120</abstractCharCount><pdfWordCount>3519</pdfWordCount><pdfCharCount>22934</pdfCharCount><pdfPageCount>11</pdfPageCount><abstractWordCount>162</abstractWordCount></qualityIndicators><title>Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title><pii><json:string>S0082-0784(73)80066-9</json:string></pii><refBibs><json:item><author><json:item><name>D.S. Burgess</name></json:item></author><host><issue>No. 604</issue><author></author><title>Bull. U.S. Bur. Mines</title></host><title>Structure and Propagation of Turbulent Bunsen Flames</title></json:item><json:item><author><json:item><name>H. 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Schäfer</name></json:item></author><host><author></author><title>Dissertation T.H., Aachen</title></host><title>Über den Verbrennungsverlauf von Methan/Luft-Gemischen in einer Brennkammer mit heissen Wanden</title></json:item><json:item><host><volume>65</volume><pages><first>591</first></pages><author></author><title>J. Phys. Chem.</title></host></json:item><json:item><host><pages><first>55</first></pages><issue>No. 95</issue><author></author><title>VDI-Berichte</title></host></json:item><json:item><host><volume>43</volume><pages><first>453</first></pages><author></author><title>Chem. Ing-Techn.</title></host></json:item><json:item><host><author></author></host></json:item><json:item><host><volume>12</volume><pages><first>550</first></pages><author></author><title>Combust. Flame</title></host></json:item><json:item><host><volume>47</volume><pages><first>1634</first></pages><author></author><title>Ind. Eng. 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Flame</title></host></json:item></refBibs><genre><json:string>research-article</json:string></genre><serie><language><json:string>unknown</json:string></language><title>No. 3</title></serie><host><volume>14</volume><pii><json:string>S0082-0784(73)X8001-8</json:string></pii><pages><last>717</last><first>707</first></pages><conference><json:item><name>Fourteenth Symposium (International) on Combustion, Pennsylvania State University, University Park, Pennsylvania 19720820 19720825</name></json:item></conference><issn><json:string>0082-0784</json:string></issn><issue>1</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><title>Symposium (International) on Combustion</title><publicationDate>1973</publicationDate></host><publicationDate>1973</publicationDate><copyrightDate>1973</copyrightDate><doi><json:string>10.1016/S0082-0784(73)80066-9</json:string></doi><id>F4499F808BF4EA74A097FBC9DBB9DA25E0E50891</id><score>1.0447171</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/F4499F808BF4EA74A097FBC9DBB9DA25E0E50891/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/F4499F808BF4EA74A097FBC9DBB9DA25E0E50891/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/F4499F808BF4EA74A097FBC9DBB9DA25E0E50891/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©1973 Combustion Institute</p></availability><date>1973</date></publicationStmt><notesStmt><note>The experiments discussed in this paper were performed at the laboratories of the Gaswärme-Institut e.V., Essen.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title><author xml:id="author-1"><persName><forename type="first">Hans</forename><surname>Kremer</surname></persName><affiliation>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</affiliation></author><author xml:id="author-2"><persName><forename type="first">Gerd</forename><surname>Schäfer</surname></persName><affiliation>Haller-Meurer Werke AG, Hamburg, W. Germany</affiliation></author></analytic><monogr><title level="j">Symposium (International) on Combustion</title><title level="j" type="abbrev">SICOM</title><idno type="pISSN">0082-0784</idno><idno type="PII">S0082-0784(73)X8001-8</idno><meeting><addName>Fourteenth Symposium (International) on Combustion, Pennsylvania State University, University Park, Pennsylvania</addName><date>19720820</date><date>19720825</date></meeting><imprint><publisher>ELSEVIER</publisher><date type="published" when="1973"></date><biblScope unit="volume">14</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="707">707</biblScope><biblScope unit="page" to="717">717</biblScope></imprint></monogr><idno type="istex">F4499F808BF4EA74A097FBC9DBB9DA25E0E50891</idno><idno type="DOI">10.1016/S0082-0784(73)80066-9</idno><idno type="PII">S0082-0784(73)80066-9</idno><idno type="ArticleID">80066</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1973</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.Conclusions for the optimum design of tunnel burners are drawn.</p></abstract></profileDesc><revisionDesc><change when="1973">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/F4499F808BF4EA74A097FBC9DBB9DA25E0E50891/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier doc found" wicri:toSee="Elsevier, no converted or simple article"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 5.0.1//EN//XML" URI="art501.dtd" name="istex:docType"></istex:docType><istex:document><article version="5.0" xml:lang="en" docsubtype="fla"><item-info><jid>SICOM</jid><aid>80066</aid><ce:pii>S0082-0784(73)80066-9</ce:pii><ce:doi>10.1016/S0082-0784(73)80066-9</ce:doi><ce:copyright type="society" year="1973">Combustion Institute</ce:copyright></item-info><head><ce:article-footnote><ce:label>*</ce:label><ce:note-para>The experiments discussed in this paper were performed at the laboratories of the Gaswärme-Institut e.V., Essen.</ce:note-para></ce:article-footnote><ce:title>Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</ce:title><ce:author-group><ce:author><ce:given-name>Hans</ce:given-name><ce:surname>Kremer</ce:surname></ce:author><ce:affiliation id="aff1"><ce:textfn>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</ce:textfn></ce:affiliation></ce:author-group><ce:author-group><ce:author><ce:given-name>Gerd</ce:given-name><ce:surname>Schäfer</ce:surname></ce:author><ce:affiliation id="aff2"><ce:textfn>Haller-Meurer Werke AG, Hamburg, W. Germany</ce:textfn></ce:affiliation></ce:author-group><ce:abstract id="ab1" class="author" xml:lang="en"><ce:abstract-sec><ce:simple-para>The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.</ce:simple-para><ce:simple-para>The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.</ce:simple-para><ce:simple-para>Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.</ce:simple-para><ce:simple-para>Conclusions for the optimum design of tunnel burners are drawn.</ce:simple-para></ce:abstract-sec></ce:abstract></head><tail><ce:bibliography><ce:section-title>References</ce:section-title><ce:bibliography-sec><ce:bib-reference id="bib1"><ce:label>1.</ce:label><sb:reference><sb:contribution langtype="en"><sb:authors><sb:author><ce:surname>Burgess</ce:surname><ce:given-name>D.S.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Structure and Propagation of Turbulent Bunsen Flames</sb:maintitle></sb:title></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>Bull. U.S. Bur. 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Flame</sb:maintitle></sb:title><sb:volume-nr>10</sb:volume-nr></sb:series><sb:date>1966</sb:date></sb:issue><sb:pages><sb:first-page>355</sb:first-page></sb:pages></sb:host></sb:reference></ce:bib-reference></ce:bibliography-sec></ce:bibliography></tail></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Rates of fuel conversion and heat release in turbulent combustion of methane-air mixtures in tunnel burners</title></titleInfo><name type="personal"><namePart type="given">Hans</namePart><namePart type="family">Kremer</namePart><affiliation>University of Trier-Kaiserslautern and Gaswärme-Institute e.V., Essen, W. Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Gerd</namePart><namePart type="family">Schäfer</namePart><affiliation>Haller-Meurer Werke AG, Hamburg, W. Germany</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1973</dateIssued><copyrightDate encoding="w3cdtf">1973</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">The experimental results presented in this paper deal with fuel conversion and heat-releaserates in experimental and commercial tunnel burners. Methane was used as fuel, and was premixed with air before entering the combustion chamber. Measurements of radial and axial distributions of temperature, concentration of stable components, and fluid velocity were used to calculate local conversion rates of combustibles and local heat-release rates. The effect of burner geometry, fuel throughput, air-fuel ratio, and turbulence intensity of the inlet mixture stream were also studied.The results show that the maximum local fuel-conversion rates and local heat-release rates occur in regions of large velocity gradients. The maximum heat-release rates obtained are much lower than in a homogeneous reactor. When the fuel throughput exceeds certain limits, unburned gases escape from the burner, resulting in lower mean combustion efficiencies.Combustion efficiencies close to 1 can only be achieved for an excess of air of more than 20 per cent stoichiometric.Conclusions for the optimum design of tunnel burners are drawn.</abstract><note>The experiments discussed in this paper were performed at the laboratories of the Gaswärme-Institut e.V., Essen.</note><relatedItem type="host"><titleInfo><title>Symposium (International) on Combustion</title></titleInfo><titleInfo type="abbreviated"><title>SICOM</title></titleInfo><name type="conference"><namePart>Fourteenth Symposium (International) on Combustion, Pennsylvania State University, University Park, Pennsylvania</namePart><namePart type="date">19720820</namePart><namePart type="date">19720825</namePart></name><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">1973</dateIssued></originInfo><identifier type="ISSN">0082-0784</identifier><identifier type="PII">S0082-0784(73)X8001-8</identifier><part><date>1973</date><detail type="issue"><title>Fourteenth Symposium (International) on Combustion, Pennsylvania State University, University Park, Pennsylvania</title></detail><detail type="volume"><number>14</number><caption>vol.</caption></detail><detail type="issue"><number>1</number><caption>no.</caption></detail><extent unit="issue pages"><start>1</start><end>1432</end></extent><extent unit="pages"><start>707</start><end>717</end></extent></part></relatedItem><identifier type="istex">F4499F808BF4EA74A097FBC9DBB9DA25E0E50891</identifier><identifier type="DOI">10.1016/S0082-0784(73)80066-9</identifier><identifier type="PII">S0082-0784(73)80066-9</identifier><identifier type="ArticleID">80066</identifier><accessCondition type="use and reproduction" contentType="copyright">©1973 Combustion Institute</accessCondition><recordInfo><recordContentSource>ELSEVIER</recordContentSource><recordOrigin>Combustion Institute, ©1973</recordOrigin></recordInfo></mods></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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