Catalytic Effect on Thermal Decomposition of Hydrocarbon Fuel within a Tube Simulating a Cooling Channel
Regenerative cooling using hydrocarbon fuel requires thermal decomposition to increase heat absorption, but a high temperature is required to initiate decomposition and catalysis is expected to enhance decomposition at lower temperature regime. The effects of catalysis on thermal decomposition and c...
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| Veröffentlicht in: | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 2023, Vol.66(3), pp.83-89 |
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| container_title | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES |
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| creator | TOMIOKA, Sadatake HATTORI, Motoki ONODERA, Takuo ISONO, Tatsushi |
| description | Regenerative cooling using hydrocarbon fuel requires thermal decomposition to increase heat absorption, but a high temperature is required to initiate decomposition and catalysis is expected to enhance decomposition at lower temperature regime. The effects of catalysis on thermal decomposition and coking of normal-dodecane and methyl-cyclo-hexane within a tube heater were experimentally investigated. Platinum (Pt) was spread on the inner surface of a stainless tube, and the inner surface of the tube was heated to target values using an electric heater. Decomposed components were accumulated and analyzed, and heat input was evaluated based on temperature gradient within the stainless tube. The results were compared with those without tube coating to show that the Pt-coating lowered the onset temperature of decomposition by 100 K for both fuels. Additionally, heat absorption per decomposed fuel amount was affected by the Pt-coating and the Pt-coating sizably reduced coking generation. |
| doi_str_mv | 10.2322/tjsass.66.83 |
| format | Article |
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The effects of catalysis on thermal decomposition and coking of normal-dodecane and methyl-cyclo-hexane within a tube heater were experimentally investigated. Platinum (Pt) was spread on the inner surface of a stainless tube, and the inner surface of the tube was heated to target values using an electric heater. Decomposed components were accumulated and analyzed, and heat input was evaluated based on temperature gradient within the stainless tube. The results were compared with those without tube coating to show that the Pt-coating lowered the onset temperature of decomposition by 100 K for both fuels. 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Additionally, heat absorption per decomposed fuel amount was affected by the Pt-coating and the Pt-coating sizably reduced coking generation.</description><subject>Absorption</subject><subject>Airbreathing Engines</subject><subject>Catalysis</subject><subject>Coating</subject><subject>Coking</subject><subject>Dodecane</subject><subject>Endothermic Reaction</subject><subject>Hexanes</subject><subject>High temperature</subject><subject>Hydrocarbon Fuels</subject><subject>Regenerative Cooling</subject><subject>Surface chemistry</subject><subject>Thermal decomposition</subject><issn>0549-3811</issn><issn>2189-4205</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpNkF9LwzAUxYMoOKdvfoCAr3a2Sdokj9JtThj44HwOt2m6tnTNTFJk396OyvDl_jn3x7lwEHpM4gWhhLyE1oP3iyxbCHqFZiQRMmIkTq_RLE6ZjKhIklt0530bx5SmXMxQnUOA7hQajVdVZXTAtse72rgDdHhptD0crW9CM6q2wptT6awGV4zrejAd_mlC3fQY8G4oDP5sDkMHoen3o5Jb252nvIa-N909uqmg8-bhr8_R13q1yzfR9uPtPX_dRpoxEiLCBUsJSyRhRJKKSiFlWRDBIDVal5rEGS8EL6Xmo8QEFEnJJQhdQJFmnNM5epp8j85-D8YH1drB9eNLRQTlJMsoPVPPE6Wd9d6ZSh1dcwB3UkmszlmqKUuVZUrQEV9OeOsD7M0FBjcG15l_MD2XnRoNKL-cdQ1OmZ7-Av8lgac</recordid><startdate>20230101</startdate><enddate>20230101</enddate><creator>TOMIOKA, Sadatake</creator><creator>HATTORI, Motoki</creator><creator>ONODERA, Takuo</creator><creator>ISONO, Tatsushi</creator><general>THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20230101</creationdate><title>Catalytic Effect on Thermal Decomposition of Hydrocarbon Fuel within a Tube Simulating a Cooling Channel</title><author>TOMIOKA, Sadatake ; HATTORI, Motoki ; ONODERA, Takuo ; ISONO, Tatsushi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c442t-27845241924292f39899db284a5eccdc2067b87d9c74a548ab1d79a8cbab56773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Absorption</topic><topic>Airbreathing Engines</topic><topic>Catalysis</topic><topic>Coating</topic><topic>Coking</topic><topic>Dodecane</topic><topic>Endothermic Reaction</topic><topic>Hexanes</topic><topic>High temperature</topic><topic>Hydrocarbon Fuels</topic><topic>Regenerative Cooling</topic><topic>Surface chemistry</topic><topic>Thermal decomposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>TOMIOKA, Sadatake</creatorcontrib><creatorcontrib>HATTORI, Motoki</creatorcontrib><creatorcontrib>ONODERA, Takuo</creatorcontrib><creatorcontrib>ISONO, Tatsushi</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>TOMIOKA, Sadatake</au><au>HATTORI, Motoki</au><au>ONODERA, Takuo</au><au>ISONO, Tatsushi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Catalytic Effect on Thermal Decomposition of Hydrocarbon Fuel within a Tube Simulating a Cooling Channel</atitle><jtitle>TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES</jtitle><addtitle>TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES</addtitle><date>2023-01-01</date><risdate>2023</risdate><volume>66</volume><issue>3</issue><spage>83</spage><epage>89</epage><pages>83-89</pages><artnum>T-22-37</artnum><issn>0549-3811</issn><eissn>2189-4205</eissn><abstract>Regenerative cooling using hydrocarbon fuel requires thermal decomposition to increase heat absorption, but a high temperature is required to initiate decomposition and catalysis is expected to enhance decomposition at lower temperature regime. The effects of catalysis on thermal decomposition and coking of normal-dodecane and methyl-cyclo-hexane within a tube heater were experimentally investigated. Platinum (Pt) was spread on the inner surface of a stainless tube, and the inner surface of the tube was heated to target values using an electric heater. Decomposed components were accumulated and analyzed, and heat input was evaluated based on temperature gradient within the stainless tube. The results were compared with those without tube coating to show that the Pt-coating lowered the onset temperature of decomposition by 100 K for both fuels. Additionally, heat absorption per decomposed fuel amount was affected by the Pt-coating and the Pt-coating sizably reduced coking generation.</abstract><cop>Tokyo</cop><pub>THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES</pub><doi>10.2322/tjsass.66.83</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2023, Vol.66(3), pp.83-89 |
| issn | 0549-3811 2189-4205 |
| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Absorption Airbreathing Engines Catalysis Coating Coking Dodecane Endothermic Reaction Hexanes High temperature Hydrocarbon Fuels Regenerative Cooling Surface chemistry Thermal decomposition |
| title | Catalytic Effect on Thermal Decomposition of Hydrocarbon Fuel within a Tube Simulating a Cooling Channel |
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