Critical heat flux of a two-phase closed thermosyphon with fins
The critical heat fluxes (CHFs) of two-phase closed thermosyphons with and without fins were studied. The thermosyphons were fabricated using 1.25-mm-thick iron tubes with inner diameters of 16, 21 and 26 mm. The lengths of the evaporator, adiabatic, and condensation sections were 20, 10 and 20 cm,...
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| Veröffentlicht in: | Journal of mechanical science and technology 2018-05, Vol.32 (5), p.2357-2364 |
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| container_title | Journal of mechanical science and technology |
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| creator | Pinate, Wasan Rittidech, Sampan meena, Pattanapol |
| description | The critical heat fluxes (CHFs) of two-phase closed thermosyphons with and without fins were studied. The thermosyphons were fabricated using 1.25-mm-thick iron tubes with inner diameters of 16, 21 and 26 mm. The lengths of the evaporator, adiabatic, and condensation sections were 20, 10 and 20 cm, respectively. Pure water, ethanol, and R134a refrigerant were used as the working fluids with 50 % filling rate of the evaporation length. CHF data when using fins of different thicknesses (1.0, 1.5 and 2.0 mm), radii (5, 10 and 15 mm), and spacing (10, 20 and 30 mm) were recorded. The CHF increased with the fin thickness and radius but decreased with the increase in fin spacing. In addition, the CHF increased with the diameter of the thermosyphon tube. Overall, the CHF of thermosyphons with fins was higher than that of thermosyphons without fins regardless of the working fluid. |
| doi_str_mv | 10.1007/s12206-018-0447-7 |
| format | Article |
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The thermosyphons were fabricated using 1.25-mm-thick iron tubes with inner diameters of 16, 21 and 26 mm. The lengths of the evaporator, adiabatic, and condensation sections were 20, 10 and 20 cm, respectively. Pure water, ethanol, and R134a refrigerant were used as the working fluids with 50 % filling rate of the evaporation length. CHF data when using fins of different thicknesses (1.0, 1.5 and 2.0 mm), radii (5, 10 and 15 mm), and spacing (10, 20 and 30 mm) were recorded. The CHF increased with the fin thickness and radius but decreased with the increase in fin spacing. In addition, the CHF increased with the diameter of the thermosyphon tube. Overall, the CHF of thermosyphons with fins was higher than that of thermosyphons without fins regardless of the working fluid.</description><identifier>ISSN: 1738-494X</identifier><identifier>EISSN: 1976-3824</identifier><identifier>DOI: 10.1007/s12206-018-0447-7</identifier><language>eng</language><publisher>Seoul: Korean Society of Mechanical Engineers</publisher><subject>Control ; Diameters ; Dynamical Systems ; Engineering ; Ethanol ; Evaporation rate ; Evaporators ; Fins ; Heat flux ; Heat transfer ; Industrial and Production Engineering ; Mechanical Engineering ; Thermosyphons ; Thickness ; Tubes ; Vibration ; Working fluids</subject><ispartof>Journal of mechanical science and technology, 2018-05, Vol.32 (5), p.2357-2364</ispartof><rights>The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-217e6ad24516e786b21c9dacbc0241dfaf13af1d0caccdd48b20da65269c157c3</citedby><cites>FETCH-LOGICAL-c316t-217e6ad24516e786b21c9dacbc0241dfaf13af1d0caccdd48b20da65269c157c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12206-018-0447-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12206-018-0447-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Pinate, Wasan</creatorcontrib><creatorcontrib>Rittidech, Sampan</creatorcontrib><creatorcontrib>meena, Pattanapol</creatorcontrib><title>Critical heat flux of a two-phase closed thermosyphon with fins</title><title>Journal of mechanical science and technology</title><addtitle>J Mech Sci Technol</addtitle><description>The critical heat fluxes (CHFs) of two-phase closed thermosyphons with and without fins were studied. The thermosyphons were fabricated using 1.25-mm-thick iron tubes with inner diameters of 16, 21 and 26 mm. The lengths of the evaporator, adiabatic, and condensation sections were 20, 10 and 20 cm, respectively. Pure water, ethanol, and R134a refrigerant were used as the working fluids with 50 % filling rate of the evaporation length. CHF data when using fins of different thicknesses (1.0, 1.5 and 2.0 mm), radii (5, 10 and 15 mm), and spacing (10, 20 and 30 mm) were recorded. The CHF increased with the fin thickness and radius but decreased with the increase in fin spacing. In addition, the CHF increased with the diameter of the thermosyphon tube. Overall, the CHF of thermosyphons with fins was higher than that of thermosyphons without fins regardless of the working fluid.</description><subject>Control</subject><subject>Diameters</subject><subject>Dynamical Systems</subject><subject>Engineering</subject><subject>Ethanol</subject><subject>Evaporation rate</subject><subject>Evaporators</subject><subject>Fins</subject><subject>Heat flux</subject><subject>Heat transfer</subject><subject>Industrial and Production Engineering</subject><subject>Mechanical Engineering</subject><subject>Thermosyphons</subject><subject>Thickness</subject><subject>Tubes</subject><subject>Vibration</subject><subject>Working fluids</subject><issn>1738-494X</issn><issn>1976-3824</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kEFLAzEQhYMoWKs_wFvAczSTzSa7J5GiVSh4UfAW0iTrbtlu1iSl9t-bsoInD8PM4b03jw-ha6C3QKm8i8AYFYRCRSjnksgTNINaClJUjJ_mWxYV4TX_OEcXMW4oFYwDzND9InSpM7rHrdMJN_3uG_sGa5z2noytjg6b3kdncWpd2Pp4GFs_4H2XWtx0Q7xEZ43uo7v63XP0_vT4tngmq9fly-JhRUwBIhEG0gltGS9BOFmJNQNTW23WhuYettENFHksNdoYa3m1ZtRqUTJRGyilKeboZsodg__auZjUxu_CkF8qRotKlLKCIqtgUpngYwyuUWPotjocFFB15KQmTipzUkdOSmYPmzwxa4dPF_6S_zf9ALgfas0</recordid><startdate>20180501</startdate><enddate>20180501</enddate><creator>Pinate, Wasan</creator><creator>Rittidech, Sampan</creator><creator>meena, Pattanapol</creator><general>Korean Society of Mechanical Engineers</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>S0W</scope></search><sort><creationdate>20180501</creationdate><title>Critical heat flux of a two-phase closed thermosyphon with fins</title><author>Pinate, Wasan ; Rittidech, Sampan ; meena, Pattanapol</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-217e6ad24516e786b21c9dacbc0241dfaf13af1d0caccdd48b20da65269c157c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Control</topic><topic>Diameters</topic><topic>Dynamical Systems</topic><topic>Engineering</topic><topic>Ethanol</topic><topic>Evaporation rate</topic><topic>Evaporators</topic><topic>Fins</topic><topic>Heat flux</topic><topic>Heat transfer</topic><topic>Industrial and Production Engineering</topic><topic>Mechanical Engineering</topic><topic>Thermosyphons</topic><topic>Thickness</topic><topic>Tubes</topic><topic>Vibration</topic><topic>Working fluids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pinate, Wasan</creatorcontrib><creatorcontrib>Rittidech, Sampan</creatorcontrib><creatorcontrib>meena, Pattanapol</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</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>Engineering Collection</collection><collection>DELNET Engineering & Technology Collection</collection><jtitle>Journal of mechanical science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pinate, Wasan</au><au>Rittidech, Sampan</au><au>meena, Pattanapol</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Critical heat flux of a two-phase closed thermosyphon with fins</atitle><jtitle>Journal of mechanical science and technology</jtitle><stitle>J Mech Sci Technol</stitle><date>2018-05-01</date><risdate>2018</risdate><volume>32</volume><issue>5</issue><spage>2357</spage><epage>2364</epage><pages>2357-2364</pages><issn>1738-494X</issn><eissn>1976-3824</eissn><abstract>The critical heat fluxes (CHFs) of two-phase closed thermosyphons with and without fins were studied. The thermosyphons were fabricated using 1.25-mm-thick iron tubes with inner diameters of 16, 21 and 26 mm. The lengths of the evaporator, adiabatic, and condensation sections were 20, 10 and 20 cm, respectively. Pure water, ethanol, and R134a refrigerant were used as the working fluids with 50 % filling rate of the evaporation length. CHF data when using fins of different thicknesses (1.0, 1.5 and 2.0 mm), radii (5, 10 and 15 mm), and spacing (10, 20 and 30 mm) were recorded. The CHF increased with the fin thickness and radius but decreased with the increase in fin spacing. In addition, the CHF increased with the diameter of the thermosyphon tube. Overall, the CHF of thermosyphons with fins was higher than that of thermosyphons without fins regardless of the working fluid.</abstract><cop>Seoul</cop><pub>Korean Society of Mechanical Engineers</pub><doi>10.1007/s12206-018-0447-7</doi><tpages>8</tpages></addata></record> |
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| issn | 1738-494X 1976-3824 |
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| subjects | Control Diameters Dynamical Systems Engineering Ethanol Evaporation rate Evaporators Fins Heat flux Heat transfer Industrial and Production Engineering Mechanical Engineering Thermosyphons Thickness Tubes Vibration Working fluids |
| title | Critical heat flux of a two-phase closed thermosyphon with fins |
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