Thermo-mechanical life prediction for material lifetime improvement of an internal cooling system in a combustion liner
This paper is concerned with heat transfer analysis and life prediction in the after shell section of a gas turbine combustion liner with internal cooling passage. The method in the present study is the process to design cooling systems which enhance the material lifetime as well as the cooling perf...
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| Veröffentlicht in: | Energy (Oxford) 2011-02, Vol.36 (2), p.942-949 |
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| creator | Kim, Kyung Min Jeon, Yun Heung Yun, Namgeon Lee, Dong Hyun Cho, Hyung Hee |
| description | This paper is concerned with heat transfer analysis and life prediction in the after shell section of a gas turbine combustion liner with internal cooling passage. The method in the present study is the process to design cooling systems which enhance the material lifetime as well as the cooling performance. Using this method, we found the major causes of lifetime-affecting thermal damage induced by heat transfer distributions in the internal cooling system of the after shell section. From startup to shutdown, high thermal deformation occurred between the hot and coolant side walls in the welding region, the nearby cooling hole, and above the divider of the C-channel. Three regions were therefore very weak in relation to the thermal cycle. Moreover, these locations were in close agreement with the locations of thermal cracks in an actual gas turbine combustor currently in service.
► We investigate heat transfer and life prediction in after shell section of combustion liner. ► We find major causes of lifetime-affecting thermal damage induced by heat transfer. ► Using lifetime prediction, we find weak regions in relation to the thermal cycle. ► The locations are in agreement with locations of thermal cracks in an actual turbine. |
| doi_str_mv | 10.1016/j.energy.2010.12.016 |
| format | Article |
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► We investigate heat transfer and life prediction in after shell section of combustion liner. ► We find major causes of lifetime-affecting thermal damage induced by heat transfer. ► Using lifetime prediction, we find weak regions in relation to the thermal cycle. ► The locations are in agreement with locations of thermal cracks in an actual turbine.</description><identifier>ISSN: 0360-5442</identifier><identifier>DOI: 10.1016/j.energy.2010.12.016</identifier><identifier>CODEN: ENEYDS</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Combustion ; Cooling ; Cooling systems ; deformation ; Energy ; Energy. Thermal use of fuels ; Engines and turbines ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Finite elements ; Gas turbines ; Heat transfer ; Life prediction ; Liners ; prediction ; process design ; Shells ; Thermal stress ; Thermomechanical process</subject><ispartof>Energy (Oxford), 2011-02, Vol.36 (2), p.942-949</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-c392ca96ddc62082dc7b91aced6b4594375bfe2d292588fa0d5a2b336ff7d4933</citedby><cites>FETCH-LOGICAL-c425t-c392ca96ddc62082dc7b91aced6b4594375bfe2d292588fa0d5a2b336ff7d4933</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.energy.2010.12.016$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23860709$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Kyung Min</creatorcontrib><creatorcontrib>Jeon, Yun Heung</creatorcontrib><creatorcontrib>Yun, Namgeon</creatorcontrib><creatorcontrib>Lee, Dong Hyun</creatorcontrib><creatorcontrib>Cho, Hyung Hee</creatorcontrib><title>Thermo-mechanical life prediction for material lifetime improvement of an internal cooling system in a combustion liner</title><title>Energy (Oxford)</title><description>This paper is concerned with heat transfer analysis and life prediction in the after shell section of a gas turbine combustion liner with internal cooling passage. The method in the present study is the process to design cooling systems which enhance the material lifetime as well as the cooling performance. Using this method, we found the major causes of lifetime-affecting thermal damage induced by heat transfer distributions in the internal cooling system of the after shell section. From startup to shutdown, high thermal deformation occurred between the hot and coolant side walls in the welding region, the nearby cooling hole, and above the divider of the C-channel. Three regions were therefore very weak in relation to the thermal cycle. Moreover, these locations were in close agreement with the locations of thermal cracks in an actual gas turbine combustor currently in service.
► We investigate heat transfer and life prediction in after shell section of combustion liner. ► We find major causes of lifetime-affecting thermal damage induced by heat transfer. ► Using lifetime prediction, we find weak regions in relation to the thermal cycle. ► The locations are in agreement with locations of thermal cracks in an actual turbine.</description><subject>Applied sciences</subject><subject>Combustion</subject><subject>Cooling</subject><subject>Cooling systems</subject><subject>deformation</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Engines and turbines</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Exact sciences and technology</subject><subject>Finite elements</subject><subject>Gas turbines</subject><subject>Heat transfer</subject><subject>Life prediction</subject><subject>Liners</subject><subject>prediction</subject><subject>process design</subject><subject>Shells</subject><subject>Thermal stress</subject><subject>Thermomechanical process</subject><issn>0360-5442</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kUtr3DAUhb1IoWmaf1CINqXdeKqXZWtTKKEvCHSRZC1k-WqiwZKmkidl_n3v1EOXWQnO_e7R5ZymecfohlGmPu02kKBsjxtOTxLfoHjRXFKhaNtJyV83b2rdUUq7QevL5s_DE5SY2wjuyabg7Ezm4IHsC0zBLSEn4nMh0S5Qwnm4hAgkxH3JzxAhLSR7YhMJCZmEjMt5DmlL6rEuEFEnFrU4Huo_P5xBedu88naucH1-r5rHb18fbn-0d7--_7z9ctc6ybuldUJzZ7WaJqc4Hfjk-lEz62BSo-y0FH03euAT17wbBm_p1Fk-CqG87yephbhqPqy-eO3vA9TFxFAdzLNNkA_VDEpK2ouOI_nxRZKpnknZqYEhKlfUlVxrAW_2JURbjoZRc2rB7Mzagjm1YBg3KOLa-_MPtmLQvtjkQv2_y8WgaE81cjcr5202dluQebxHI4WtKd2LAYnPKwEY3XOAYqoLkDCWUMAtZsrh5VP-AufUrOY</recordid><startdate>20110201</startdate><enddate>20110201</enddate><creator>Kim, Kyung Min</creator><creator>Jeon, Yun Heung</creator><creator>Yun, Namgeon</creator><creator>Lee, Dong Hyun</creator><creator>Cho, Hyung Hee</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>7ST</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>20110201</creationdate><title>Thermo-mechanical life prediction for material lifetime improvement of an internal cooling system in a combustion liner</title><author>Kim, Kyung Min ; Jeon, Yun Heung ; Yun, Namgeon ; Lee, Dong Hyun ; Cho, Hyung Hee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-c392ca96ddc62082dc7b91aced6b4594375bfe2d292588fa0d5a2b336ff7d4933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Applied sciences</topic><topic>Combustion</topic><topic>Cooling</topic><topic>Cooling systems</topic><topic>deformation</topic><topic>Energy</topic><topic>Energy. 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The method in the present study is the process to design cooling systems which enhance the material lifetime as well as the cooling performance. Using this method, we found the major causes of lifetime-affecting thermal damage induced by heat transfer distributions in the internal cooling system of the after shell section. From startup to shutdown, high thermal deformation occurred between the hot and coolant side walls in the welding region, the nearby cooling hole, and above the divider of the C-channel. Three regions were therefore very weak in relation to the thermal cycle. Moreover, these locations were in close agreement with the locations of thermal cracks in an actual gas turbine combustor currently in service.
► We investigate heat transfer and life prediction in after shell section of combustion liner. ► We find major causes of lifetime-affecting thermal damage induced by heat transfer. ► Using lifetime prediction, we find weak regions in relation to the thermal cycle. ► The locations are in agreement with locations of thermal cracks in an actual turbine.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.energy.2010.12.016</doi><tpages>8</tpages></addata></record> |
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| ispartof | Energy (Oxford), 2011-02, Vol.36 (2), p.942-949 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Combustion Cooling Cooling systems deformation Energy Energy. Thermal use of fuels Engines and turbines Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Finite elements Gas turbines Heat transfer Life prediction Liners prediction process design Shells Thermal stress Thermomechanical process |
| title | Thermo-mechanical life prediction for material lifetime improvement of an internal cooling system in a combustion liner |
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