Experimental investigation on the heat transfer characteristics of axial rotating heat pipes
The heat transfer performance of axial rotating heat pipes was measured under steady state at rotational speeds up to 4000 RPM, or a maximum centrifugal acceleration of 170 g, and heat transfer rates up to 0.7 kW. A cylindrical and an internally tapered heat pipe with water as the working fluid were...
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Veröffentlicht in: | International journal of heat and mass transfer 2004-10, Vol.47 (22), p.4721-4731 |
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container_title | International journal of heat and mass transfer |
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creator | Song, F. Ewing, D. Ching, C.Y. |
description | The heat transfer performance of axial rotating heat pipes was measured under steady state at rotational speeds up to 4000 RPM, or a maximum centrifugal acceleration of 170
g, and heat transfer rates up to 0.7 kW. A cylindrical and an internally tapered heat pipe with water as the working fluid were tested with different fluid loadings that ranged from 5% to 30% of the total interior volume. The measurements were used to characterize the effects of rotational speed, working fluid loading, and heat pipe geometry on the heat transfer performance. The internal taper on the condenser was found to significantly increase the heat transfer rate compared to the cylindrical case. A comparison between the test results and predictions from previous models showed that natural convection in the liquid film at the heat pipe evaporator plays an important role in the heat transfer mechanism at high rotational speeds. |
doi_str_mv | 10.1016/j.ijheatmasstransfer.2004.06.001 |
format | Article |
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g, and heat transfer rates up to 0.7 kW. A cylindrical and an internally tapered heat pipe with water as the working fluid were tested with different fluid loadings that ranged from 5% to 30% of the total interior volume. The measurements were used to characterize the effects of rotational speed, working fluid loading, and heat pipe geometry on the heat transfer performance. The internal taper on the condenser was found to significantly increase the heat transfer rate compared to the cylindrical case. A comparison between the test results and predictions from previous models showed that natural convection in the liquid film at the heat pipe evaporator plays an important role in the heat transfer mechanism at high rotational speeds.</description><subject>Applied sciences</subject><subject>Axial rotating heat pipe</subject><subject>Devices using thermal energy</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Heat pipe geometry</subject><subject>Heat pipes</subject><subject>Heat transfer characteristics</subject><subject>Working fluid loading</subject><issn>0017-9310</issn><issn>1879-2189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNkEtLAzEUhYMoWB__YTaKmxlvJtMks1NKfSG40Z0QrukdmzKdGZO01H9vShUXboRASPjOOZzD2AWHggOXl4vCLeaEcYkhRI9daMgXJUBVgCwA-B4bca3qvOS63mej9KPyWnA4ZEchLLZPqOSIvU43A3m3pC5im7luTSG6d4yu77J04pyybUr2E5HZOXq0MWkSaEPWNxluXNL6PiZZ977jBzdQOGEHDbaBTr_vY_ZyM32e3OWPT7f3k-vH3FZCx7zGcSmtUihlwyVvoOIEb1zNxroeg7BalCA0UKVx3JASbygskVSzmpdQShDH7HznO_j-Y5UamKULltoWO-pXwZS1UKBFlcCrHWh9H4KnxgypO_pPw8FsZzUL83dWs53VgDRptWRx9p2FwWLbJMa68OsjodZKlol72HGUiq9dcgnWUWdp5jzZaGa9-3_oFxVNm6I</recordid><startdate>20041001</startdate><enddate>20041001</enddate><creator>Song, F.</creator><creator>Ewing, D.</creator><creator>Ching, C.Y.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20041001</creationdate><title>Experimental investigation on the heat transfer characteristics of axial rotating heat pipes</title><author>Song, F. ; Ewing, D. ; Ching, C.Y.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-9a526c77a66f161f041e0b17d589503c8320380e48a5fe73ba3cee67d91202603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Applied sciences</topic><topic>Axial rotating heat pipe</topic><topic>Devices using thermal energy</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Heat pipe geometry</topic><topic>Heat pipes</topic><topic>Heat transfer characteristics</topic><topic>Working fluid loading</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, F.</creatorcontrib><creatorcontrib>Ewing, D.</creatorcontrib><creatorcontrib>Ching, C.Y.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of heat and mass transfer</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, F.</au><au>Ewing, D.</au><au>Ching, C.Y.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental investigation on the heat transfer characteristics of axial rotating heat pipes</atitle><jtitle>International journal of heat and mass transfer</jtitle><date>2004-10-01</date><risdate>2004</risdate><volume>47</volume><issue>22</issue><spage>4721</spage><epage>4731</epage><pages>4721-4731</pages><issn>0017-9310</issn><eissn>1879-2189</eissn><coden>IJHMAK</coden><abstract>The heat transfer performance of axial rotating heat pipes was measured under steady state at rotational speeds up to 4000 RPM, or a maximum centrifugal acceleration of 170
g, and heat transfer rates up to 0.7 kW. A cylindrical and an internally tapered heat pipe with water as the working fluid were tested with different fluid loadings that ranged from 5% to 30% of the total interior volume. The measurements were used to characterize the effects of rotational speed, working fluid loading, and heat pipe geometry on the heat transfer performance. The internal taper on the condenser was found to significantly increase the heat transfer rate compared to the cylindrical case. A comparison between the test results and predictions from previous models showed that natural convection in the liquid film at the heat pipe evaporator plays an important role in the heat transfer mechanism at high rotational speeds.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijheatmasstransfer.2004.06.001</doi><tpages>11</tpages></addata></record> |
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subjects | Applied sciences Axial rotating heat pipe Devices using thermal energy Energy Energy. Thermal use of fuels Exact sciences and technology Heat pipe geometry Heat pipes Heat transfer characteristics Working fluid loading |
title | Experimental investigation on the heat transfer characteristics of axial rotating heat pipes |
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