Numerical Study on Heat Transfer Enhancement for Use of Corrugated, Nodal and Horizontal Grain Tubes
With isopentane as working fluid, the heat transfer performances for corrugated, nodal and horizontal grain tubes are simulated. The structural parameters of the three kinds of tubes are compared with those of the plain tube. The numerical results using computational fluid dynamics are validated wit...
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| Veröffentlicht in: | Transactions of Tianjin University 2014-10, Vol.20 (5), p.385-392 |
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| creator | 朱家玲 王钰沛 张伟 刘雪玲 |
| description | With isopentane as working fluid, the heat transfer performances for corrugated, nodal and horizontal grain tubes are simulated. The structural parameters of the three kinds of tubes are compared with those of the plain tube. The numerical results using computational fluid dynamics are validated with theoretical values. For the corrugated, nodal and horizontal grain tubes, the heat transfer enhancements （HTEs） are 2.31-2.53, 1.18-1.86 and 1.02-1.31 times of those of the plain tube, respectively. However, the improved HTEs are at the expense of pressure losses. The drag coefficients are 6.10-7.09, 2.06-11.03 and 0.53-1.83 higher, respectively. From the viewpoint of comprehensive heat transfer factor, the corrugated tube is recommended for engineering applications, followed by the horizontal grain tube. |
| doi_str_mv | 10.1007/s12209-014-2215-9 |
| format | Article |
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The structural parameters of the three kinds of tubes are compared with those of the plain tube. The numerical results using computational fluid dynamics are validated with theoretical values. For the corrugated, nodal and horizontal grain tubes, the heat transfer enhancements （HTEs） are 2.31-2.53, 1.18-1.86 and 1.02-1.31 times of those of the plain tube, respectively. However, the improved HTEs are at the expense of pressure losses. The drag coefficients are 6.10-7.09, 2.06-11.03 and 0.53-1.83 higher, respectively. From the viewpoint of comprehensive heat transfer factor, the corrugated tube is recommended for engineering applications, followed by the horizontal grain tube.</description><identifier>ISSN: 1006-4982</identifier><identifier>EISSN: 1995-8196</identifier><identifier>DOI: 10.1007/s12209-014-2215-9</identifier><language>eng</language><publisher>Heidelberg: Tianjin University</publisher><subject>Engineering ; Humanities and Social Sciences ; Mechanical Engineering ; multidisciplinary ; Science ; 强化传热 ; 数值模拟 ; 数值研究 ; 横纹管 ; 波纹管 ; 综合传热系数 ; 节点 ; 计算流体力学</subject><ispartof>Transactions of Tianjin University, 2014-10, Vol.20 (5), p.385-392</ispartof><rights>Tianjin University and Springer-Verlag Berlin Heidelberg 2014</rights><rights>Copyright © Wanfang Data Co. Ltd. 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Tianjin Univ</addtitle><addtitle>Transactions of Tianjin University</addtitle><description>With isopentane as working fluid, the heat transfer performances for corrugated, nodal and horizontal grain tubes are simulated. The structural parameters of the three kinds of tubes are compared with those of the plain tube. The numerical results using computational fluid dynamics are validated with theoretical values. For the corrugated, nodal and horizontal grain tubes, the heat transfer enhancements （HTEs） are 2.31-2.53, 1.18-1.86 and 1.02-1.31 times of those of the plain tube, respectively. However, the improved HTEs are at the expense of pressure losses. The drag coefficients are 6.10-7.09, 2.06-11.03 and 0.53-1.83 higher, respectively. From the viewpoint of comprehensive heat transfer factor, the corrugated tube is recommended for engineering applications, followed by the horizontal grain tube.</description><subject>Engineering</subject><subject>Humanities and Social Sciences</subject><subject>Mechanical Engineering</subject><subject>multidisciplinary</subject><subject>Science</subject><subject>强化传热</subject><subject>数值模拟</subject><subject>数值研究</subject><subject>横纹管</subject><subject>波纹管</subject><subject>综合传热系数</subject><subject>节点</subject><subject>计算流体力学</subject><issn>1006-4982</issn><issn>1995-8196</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhhdR8PMHeAueXZ3J7mY3RynaClIPtueQbibtFptosovVX29KRW-eZgbeZx54s-wS4QYB6tuInIPMAcucc6xyeZCdoJRV3qAUh2kHEHkpG36cnca4Bigl1HiSmemwodC1-pW99IP5ZN6xCemezYJ20VJg926lXUsbcj2zPrB5JOYtG_kQhqXuyVyzqTeJ186wiQ_dl3d9OsdBd47NhgXF8-zI6tdIFz_zLJs_3M9Gk_zpefw4unvKWy5qnlNTkKy1bSQXFoUQbS0bshWSKZqFLmsseI2tJE66RAMGW4GoF8JC05RQFWfZ9f7vh3ZWu6Va-yG4ZFR9p93abLcLRTx1BBUgT3Hcx9vgYwxk1VvoNjp8KgS1a1XtW1WJULtWlUwM3zMxZd2Swp_jP-jqR7TybvmeuF-TEFxUwAUU30ZNhRc</recordid><startdate>20141012</startdate><enddate>20141012</enddate><creator>朱家玲 王钰沛 张伟 刘雪玲</creator><general>Tianjin University</general><general>Key Laboratory of Efficient Utilization of Low and Medium Grade Energy of Ministry of Education,Tianjin University, Tianjin 300072, China</general><general>School of Mechanical Engineering, Tianjin University, Tianjin 300072, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>20141012</creationdate><title>Numerical Study on Heat Transfer Enhancement for Use of Corrugated, Nodal and Horizontal Grain Tubes</title><author>朱家玲 王钰沛 张伟 刘雪玲</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2672-e83e97af8926f1666c798ef51ed38ba4713271c9e2ea41d0d1c611ab6f0884053</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Engineering</topic><topic>Humanities and Social Sciences</topic><topic>Mechanical Engineering</topic><topic>multidisciplinary</topic><topic>Science</topic><topic>强化传热</topic><topic>数值模拟</topic><topic>数值研究</topic><topic>横纹管</topic><topic>波纹管</topic><topic>综合传热系数</topic><topic>节点</topic><topic>计算流体力学</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>朱家玲 王钰沛 张伟 刘雪玲</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Transactions of Tianjin University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>朱家玲 王钰沛 张伟 刘雪玲</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical Study on Heat Transfer Enhancement for Use of Corrugated, Nodal and Horizontal Grain Tubes</atitle><jtitle>Transactions of Tianjin University</jtitle><stitle>Trans. Tianjin Univ</stitle><addtitle>Transactions of Tianjin University</addtitle><date>2014-10-12</date><risdate>2014</risdate><volume>20</volume><issue>5</issue><spage>385</spage><epage>392</epage><pages>385-392</pages><issn>1006-4982</issn><eissn>1995-8196</eissn><abstract>With isopentane as working fluid, the heat transfer performances for corrugated, nodal and horizontal grain tubes are simulated. The structural parameters of the three kinds of tubes are compared with those of the plain tube. The numerical results using computational fluid dynamics are validated with theoretical values. For the corrugated, nodal and horizontal grain tubes, the heat transfer enhancements （HTEs） are 2.31-2.53, 1.18-1.86 and 1.02-1.31 times of those of the plain tube, respectively. However, the improved HTEs are at the expense of pressure losses. The drag coefficients are 6.10-7.09, 2.06-11.03 and 0.53-1.83 higher, respectively. From the viewpoint of comprehensive heat transfer factor, the corrugated tube is recommended for engineering applications, followed by the horizontal grain tube.</abstract><cop>Heidelberg</cop><pub>Tianjin University</pub><doi>10.1007/s12209-014-2215-9</doi><tpages>8</tpages></addata></record> |
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| issn | 1006-4982 1995-8196 |
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| source | Springer Nature - Complete Springer Journals; Alma/SFX Local Collection |
| subjects | Engineering Humanities and Social Sciences Mechanical Engineering multidisciplinary Science 强化传热 数值模拟 数值研究 横纹管 波纹管 综合传热系数 节点 计算流体力学 |
| title | Numerical Study on Heat Transfer Enhancement for Use of Corrugated, Nodal and Horizontal Grain Tubes |
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