Experimental investigation on heat transfer in laminar, transitional and turbulent circular pipe flow with respect to flow regime boundaries
•Validation of Gnielinski’s 2013 calculation method for heat transfer coefficients particularly for 1000
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| Veröffentlicht in: | International journal of heat and mass transfer 2019-12, Vol.145, p.118746, Article 118746 |
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| container_title | International journal of heat and mass transfer |
| container_volume | 145 |
| creator | Bertsche, Dirk Knipper, Paul Kapfer, Konstantin Wetzel, Thomas |
| description | •Validation of Gnielinski’s 2013 calculation method for heat transfer coefficients particularly for 1000 |
| doi_str_mv | 10.1016/j.ijheatmasstransfer.2019.118746 |
| format | Article |
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The empirical prediction methods for heat transfer coefficients in the transition regime between laminar and fully turbulent flow are still subject to changes. This situation reflects a lack of reliable experimental data, which are consistently determined over a wide range of relevant Reynolds and Prandtl numbers. This contribution presents new measurement data, in particular 164 data points for heat transfer coefficients, consistently determined over a wide range of Reynolds and Prandtl numbers, ranging from 13 < Pr < 70 and 375 < Re < 13100. In addition, the widely accepted prediction method for heat transfer in circular pipes according to Gnielinski is tested with the present data and other relevant data from literature. This method relies on a linear interpolation between the heat transfer coefficients at the onset of the transition regime and that of the fully turbulent regime. Consequently, working on a consensus about the values of these onset points is an important issue. In this contribution, the transitional flow regime has been found to start at Recr = 2300, and the fully turbulent flow regime to start in the range of 4100 < Ret < 5400. Those findings support the latest version of Gnielinski’s method, published in 2013, as well as other recent work on the topic, particularly that of Everts and Meyer.]]></description><identifier>ISSN: 0017-9310</identifier><identifier>EISSN: 1879-2189</identifier><identifier>DOI: 10.1016/j.ijheatmasstransfer.2019.118746</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Calculation method ; Circular pipe flow ; Data points ; Fluid dynamics ; Heat transfer ; Heat transfer coefficients ; Interpolation ; Laminar ; Laminar flow ; Laminar heat transfer ; Pipe flow ; Simulation ; Transition ; Turbulent ; Turbulent flow</subject><ispartof>International journal of heat and mass transfer, 2019-12, Vol.145, p.118746, Article 118746</ispartof><rights>2019</rights><rights>Copyright Elsevier BV Dec 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-4aaeab71c9633e3a5d9ae15390903998daf288f89b640290c6648cdc803caf523</citedby><cites>FETCH-LOGICAL-c407t-4aaeab71c9633e3a5d9ae15390903998daf288f89b640290c6648cdc803caf523</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0017931019319441$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Bertsche, Dirk</creatorcontrib><creatorcontrib>Knipper, Paul</creatorcontrib><creatorcontrib>Kapfer, Konstantin</creatorcontrib><creatorcontrib>Wetzel, Thomas</creatorcontrib><title>Experimental investigation on heat transfer in laminar, transitional and turbulent circular pipe flow with respect to flow regime boundaries</title><title>International journal of heat and mass transfer</title><description><![CDATA[•Validation of Gnielinski’s 2013 calculation method for heat transfer coefficients particularly for 1000 < Re < 4000 and 41 < Pr < 70, where this method has not yet been checked up to now against experimental data.•The flow regime boundaries (laminar, transitional, quasi-transitional and turbulent flow) are evaluated for Prandtl numbers in the range of 13 < Pr < 70 using the method proposed by Everts and Meyer [17].
The empirical prediction methods for heat transfer coefficients in the transition regime between laminar and fully turbulent flow are still subject to changes. This situation reflects a lack of reliable experimental data, which are consistently determined over a wide range of relevant Reynolds and Prandtl numbers. This contribution presents new measurement data, in particular 164 data points for heat transfer coefficients, consistently determined over a wide range of Reynolds and Prandtl numbers, ranging from 13 < Pr < 70 and 375 < Re < 13100. In addition, the widely accepted prediction method for heat transfer in circular pipes according to Gnielinski is tested with the present data and other relevant data from literature. This method relies on a linear interpolation between the heat transfer coefficients at the onset of the transition regime and that of the fully turbulent regime. Consequently, working on a consensus about the values of these onset points is an important issue. In this contribution, the transitional flow regime has been found to start at Recr = 2300, and the fully turbulent flow regime to start in the range of 4100 < Ret < 5400. Those findings support the latest version of Gnielinski’s method, published in 2013, as well as other recent work on the topic, particularly that of Everts and Meyer.]]></description><subject>Calculation method</subject><subject>Circular pipe flow</subject><subject>Data points</subject><subject>Fluid dynamics</subject><subject>Heat transfer</subject><subject>Heat transfer coefficients</subject><subject>Interpolation</subject><subject>Laminar</subject><subject>Laminar flow</subject><subject>Laminar heat transfer</subject><subject>Pipe flow</subject><subject>Simulation</subject><subject>Transition</subject><subject>Turbulent</subject><subject>Turbulent flow</subject><issn>0017-9310</issn><issn>1879-2189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqNkU1LxDAQhoMouK7-h4AXD7YmTbdtbsqyfrHgRc9hmk53U7ptTdpd_Q_-aFOqJy9CYMh8PMM7LyFXnIWc8eSmCk21Reh34FxvoXEl2jBiXIacZ2mcHJGZjzKIeCaPyYwxngZScHZKzpyrxi-Lkxn5Wn10aM0Omx5qapo9ut5soDdtQ_0bN9BfvC_TGnamAXs9Jc3Y5-egKWg_2HyoPYdqY_VQg6Wd6ZCWdXugB9NvqUXXofa8dkpa3PjFNG-HpgBr0J2TkxJqhxc_cU7e7levy8dg_fLwtLxbBzpmaR_EAAh5yrVMhEABi0IC8oWQTDIhZVZAGWVZmck8iVkkmU6SONOFzpjQUC4iMSeXE7ez7fvgFauqHawX4lQkeBwli5Qz33U7dWnbOmexVJ0_FNhPxZkaPVCV-uuBGj1Qkwce8Twh0KvZG1912mCjsTDWX0IVrfk_7Bs4eKBC</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Bertsche, Dirk</creator><creator>Knipper, Paul</creator><creator>Kapfer, Konstantin</creator><creator>Wetzel, Thomas</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><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>20191201</creationdate><title>Experimental investigation on heat transfer in laminar, transitional and turbulent circular pipe flow with respect to flow regime boundaries</title><author>Bertsche, Dirk ; Knipper, Paul ; Kapfer, Konstantin ; Wetzel, Thomas</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c407t-4aaeab71c9633e3a5d9ae15390903998daf288f89b640290c6648cdc803caf523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Calculation method</topic><topic>Circular pipe flow</topic><topic>Data points</topic><topic>Fluid dynamics</topic><topic>Heat transfer</topic><topic>Heat transfer coefficients</topic><topic>Interpolation</topic><topic>Laminar</topic><topic>Laminar flow</topic><topic>Laminar heat transfer</topic><topic>Pipe flow</topic><topic>Simulation</topic><topic>Transition</topic><topic>Turbulent</topic><topic>Turbulent flow</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bertsche, Dirk</creatorcontrib><creatorcontrib>Knipper, Paul</creatorcontrib><creatorcontrib>Kapfer, Konstantin</creatorcontrib><creatorcontrib>Wetzel, Thomas</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>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>Bertsche, Dirk</au><au>Knipper, Paul</au><au>Kapfer, Konstantin</au><au>Wetzel, Thomas</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental investigation on heat transfer in laminar, transitional and turbulent circular pipe flow with respect to flow regime boundaries</atitle><jtitle>International journal of heat and mass transfer</jtitle><date>2019-12-01</date><risdate>2019</risdate><volume>145</volume><spage>118746</spage><pages>118746-</pages><artnum>118746</artnum><issn>0017-9310</issn><eissn>1879-2189</eissn><abstract><![CDATA[•Validation of Gnielinski’s 2013 calculation method for heat transfer coefficients particularly for 1000 < Re < 4000 and 41 < Pr < 70, where this method has not yet been checked up to now against experimental data.•The flow regime boundaries (laminar, transitional, quasi-transitional and turbulent flow) are evaluated for Prandtl numbers in the range of 13 < Pr < 70 using the method proposed by Everts and Meyer [17].
The empirical prediction methods for heat transfer coefficients in the transition regime between laminar and fully turbulent flow are still subject to changes. This situation reflects a lack of reliable experimental data, which are consistently determined over a wide range of relevant Reynolds and Prandtl numbers. This contribution presents new measurement data, in particular 164 data points for heat transfer coefficients, consistently determined over a wide range of Reynolds and Prandtl numbers, ranging from 13 < Pr < 70 and 375 < Re < 13100. In addition, the widely accepted prediction method for heat transfer in circular pipes according to Gnielinski is tested with the present data and other relevant data from literature. This method relies on a linear interpolation between the heat transfer coefficients at the onset of the transition regime and that of the fully turbulent regime. Consequently, working on a consensus about the values of these onset points is an important issue. In this contribution, the transitional flow regime has been found to start at Recr = 2300, and the fully turbulent flow regime to start in the range of 4100 < Ret < 5400. Those findings support the latest version of Gnielinski’s method, published in 2013, as well as other recent work on the topic, particularly that of Everts and Meyer.]]></abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijheatmasstransfer.2019.118746</doi></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Calculation method Circular pipe flow Data points Fluid dynamics Heat transfer Heat transfer coefficients Interpolation Laminar Laminar flow Laminar heat transfer Pipe flow Simulation Transition Turbulent Turbulent flow |
| title | Experimental investigation on heat transfer in laminar, transitional and turbulent circular pipe flow with respect to flow regime boundaries |
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