Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio
In this paper a first experimental attempt is performed to measure heat conduction through rarefied air at rest contained between two concentric cylinders. The heat transfer between a heated platinum wire having a diameter (d) of 0.15 mm, disposed along the axis of a cylindrical shell in stainless s...
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| Veröffentlicht in: | Journal of physics. Conference series 2012-01, Vol.362 (1), p.12028-10 |
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| container_title | Journal of physics. Conference series |
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| creator | Chalabi, H Buchina, O Saraceno, L Lorenzini, M Valougeorgis, D Morini, G L |
| description | In this paper a first experimental attempt is performed to measure heat conduction through rarefied air at rest contained between two concentric cylinders. The heat transfer between a heated platinum wire having a diameter (d) of 0.15 mm, disposed along the axis of a cylindrical shell in stainless steel having an inner diameter (D) of 100 mm, and a surrounded rarefied gas has been studied experimentally and numerically. The ratio between the outer and inner diameter of the annular region filled by the gas is large (D/d=667). In the annular region filled with air the pressure was varied by using a vacuum pump from atmospheric value down to 10−3 mbar. Temperature differences between the wire and the external stainless steel wall in the range 50-125 K were imposed and the heat power transferred from the wire to the surround was measured as a function of the gas pressure starting from air at atmospheric conditions down to 10−3 mbar. The experimental results obtained in these tests were compared with the numerical results obtained by using the linear and nonlinear Shakhov kinetic models. |
| doi_str_mv | 10.1088/1742-6596/362/1/012028 |
| format | Article |
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The heat transfer between a heated platinum wire having a diameter (d) of 0.15 mm, disposed along the axis of a cylindrical shell in stainless steel having an inner diameter (D) of 100 mm, and a surrounded rarefied gas has been studied experimentally and numerically. The ratio between the outer and inner diameter of the annular region filled by the gas is large (D/d=667). In the annular region filled with air the pressure was varied by using a vacuum pump from atmospheric value down to 10−3 mbar. Temperature differences between the wire and the external stainless steel wall in the range 50-125 K were imposed and the heat power transferred from the wire to the surround was measured as a function of the gas pressure starting from air at atmospheric conditions down to 10−3 mbar. The experimental results obtained in these tests were compared with the numerical results obtained by using the linear and nonlinear Shakhov kinetic models.</description><identifier>ISSN: 1742-6596</identifier><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/362/1/012028</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Annular ; Annular gaps ; Atmospheric models ; Atmospherics ; Concentric cylinders ; Conduction heating ; Conductive heat transfer ; Cylindrical shells ; Diameters ; Gas pressure ; Heat transfer ; Mathematical models ; Nonlinearity ; Physics ; Rarefied gases ; Stainless steel ; Stainless steels ; Steel structures ; Vacuum pumps ; Walls ; Wire</subject><ispartof>Journal of physics. Conference series, 2012-01, Vol.362 (1), p.12028-10</ispartof><rights>Copyright IOP Publishing May 2012</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c364t-aa2e7f5100bf99b4d9539289dd8e96f2ab72ebecebb67130f9f5d114171ec4773</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Chalabi, H</creatorcontrib><creatorcontrib>Buchina, O</creatorcontrib><creatorcontrib>Saraceno, L</creatorcontrib><creatorcontrib>Lorenzini, M</creatorcontrib><creatorcontrib>Valougeorgis, D</creatorcontrib><creatorcontrib>Morini, G L</creatorcontrib><title>Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio</title><title>Journal of physics. Conference series</title><description>In this paper a first experimental attempt is performed to measure heat conduction through rarefied air at rest contained between two concentric cylinders. The heat transfer between a heated platinum wire having a diameter (d) of 0.15 mm, disposed along the axis of a cylindrical shell in stainless steel having an inner diameter (D) of 100 mm, and a surrounded rarefied gas has been studied experimentally and numerically. The ratio between the outer and inner diameter of the annular region filled by the gas is large (D/d=667). In the annular region filled with air the pressure was varied by using a vacuum pump from atmospheric value down to 10−3 mbar. Temperature differences between the wire and the external stainless steel wall in the range 50-125 K were imposed and the heat power transferred from the wire to the surround was measured as a function of the gas pressure starting from air at atmospheric conditions down to 10−3 mbar. The experimental results obtained in these tests were compared with the numerical results obtained by using the linear and nonlinear Shakhov kinetic models.</description><subject>Annular</subject><subject>Annular gaps</subject><subject>Atmospheric models</subject><subject>Atmospherics</subject><subject>Concentric cylinders</subject><subject>Conduction heating</subject><subject>Conductive heat transfer</subject><subject>Cylindrical shells</subject><subject>Diameters</subject><subject>Gas pressure</subject><subject>Heat transfer</subject><subject>Mathematical models</subject><subject>Nonlinearity</subject><subject>Physics</subject><subject>Rarefied gases</subject><subject>Stainless steel</subject><subject>Stainless steels</subject><subject>Steel structures</subject><subject>Vacuum pumps</subject><subject>Walls</subject><subject>Wire</subject><issn>1742-6596</issn><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkV9LwzAUxYsoOKdfQQK--FKXpGnTPsqYf2Dgiz6H2_ZmzejamqTM-elNnYgYLiSc--NAzomia0bvGM3zBZOCx1laZIsk4wu2oIxTnp9Es9_F6Z_3eXTh3JbSJBw5iz5XHwNas8POQ0ugg_bgjCO9Jg2CJ95C5zRaUqLfI3YEvnWsyd5YDHwdFAsWtQnaBhwxgZmmG1uwQRkC6RvSmE1DagM79MHNgjf9ZXSmoXV49XPPo7eH1evyKV6_PD4v79dxlWTCxwAcpU4ZpaUuilLURZoUPC_qOsci0xxKybHECssykyyhutBpzZhgkmElpEzm0e3Rd7D9-4jOq51xFbYtdNiPToVohOSUiSygN__QbT_aEIpTPJV5QAQXgcqOVGV758Lf1RASBHtQjKqpksmSqyltFSpRTB0rSb4AKCF_ng</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Chalabi, H</creator><creator>Buchina, O</creator><creator>Saraceno, L</creator><creator>Lorenzini, M</creator><creator>Valougeorgis, D</creator><creator>Morini, G L</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20120101</creationdate><title>Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio</title><author>Chalabi, H ; Buchina, O ; Saraceno, L ; Lorenzini, M ; Valougeorgis, D ; Morini, G L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c364t-aa2e7f5100bf99b4d9539289dd8e96f2ab72ebecebb67130f9f5d114171ec4773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Annular</topic><topic>Annular gaps</topic><topic>Atmospheric models</topic><topic>Atmospherics</topic><topic>Concentric cylinders</topic><topic>Conduction heating</topic><topic>Conductive heat transfer</topic><topic>Cylindrical shells</topic><topic>Diameters</topic><topic>Gas pressure</topic><topic>Heat transfer</topic><topic>Mathematical models</topic><topic>Nonlinearity</topic><topic>Physics</topic><topic>Rarefied gases</topic><topic>Stainless steel</topic><topic>Stainless steels</topic><topic>Steel structures</topic><topic>Vacuum pumps</topic><topic>Walls</topic><topic>Wire</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chalabi, H</creatorcontrib><creatorcontrib>Buchina, O</creatorcontrib><creatorcontrib>Saraceno, L</creatorcontrib><creatorcontrib>Lorenzini, M</creatorcontrib><creatorcontrib>Valougeorgis, D</creatorcontrib><creatorcontrib>Morini, G L</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>Aerospace Database</collection><collection>SciTech Premium Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content (ProQuest)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of physics. Conference series</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chalabi, H</au><au>Buchina, O</au><au>Saraceno, L</au><au>Lorenzini, M</au><au>Valougeorgis, D</au><au>Morini, G L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio</atitle><jtitle>Journal of physics. Conference series</jtitle><date>2012-01-01</date><risdate>2012</risdate><volume>362</volume><issue>1</issue><spage>12028</spage><epage>10</epage><pages>12028-10</pages><issn>1742-6596</issn><issn>1742-6588</issn><eissn>1742-6596</eissn><abstract>In this paper a first experimental attempt is performed to measure heat conduction through rarefied air at rest contained between two concentric cylinders. The heat transfer between a heated platinum wire having a diameter (d) of 0.15 mm, disposed along the axis of a cylindrical shell in stainless steel having an inner diameter (D) of 100 mm, and a surrounded rarefied gas has been studied experimentally and numerically. The ratio between the outer and inner diameter of the annular region filled by the gas is large (D/d=667). In the annular region filled with air the pressure was varied by using a vacuum pump from atmospheric value down to 10−3 mbar. Temperature differences between the wire and the external stainless steel wall in the range 50-125 K were imposed and the heat power transferred from the wire to the surround was measured as a function of the gas pressure starting from air at atmospheric conditions down to 10−3 mbar. The experimental results obtained in these tests were compared with the numerical results obtained by using the linear and nonlinear Shakhov kinetic models.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1742-6596/362/1/012028</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Annular Annular gaps Atmospheric models Atmospherics Concentric cylinders Conduction heating Conductive heat transfer Cylindrical shells Diameters Gas pressure Heat transfer Mathematical models Nonlinearity Physics Rarefied gases Stainless steel Stainless steels Steel structures Vacuum pumps Walls Wire |
| title | Experimental analysis of heat transfer between a heated wire and a rarefied gas in an annular gap with high diameter ratio |
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