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<article xsi:noNamespaceSchemaLocation="http://jats.nlm.nih.gov/publishing/1.1/xsd/JATS-journalpublishing1-mathml3.xsd" dtd-version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><front><journal-meta><journal-id journal-id-type="publisher-id">ETQM</journal-id><journal-title-group><journal-title>Engineering Technology and Quality Management</journal-title></journal-title-group><issn>2995-3170</issn><eissn>2992-9806</eissn><publisher><publisher-name>Art and Design</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.61369/ETQM.2406</article-id><article-categories><subj-group subj-group-type="heading"><subject>Article</subject></subj-group></article-categories><title>一种适用于绕管式换热器的新管型</title><url>https://artdesignp.com/journal/ETQM/2/1/10.61369/ETQM.2406</url><author>徐子涵,桑文蓉,薄守石</author><pub-date pub-type="publication-year"><year>2024</year></pub-date><volume>2</volume><issue>1</issue><history><date date-type="pub"><published-time>2024-01-20</published-time></date></history><abstract>缠绕管式换热器具备结构紧凑、传热面积大、换热效率高、抗振动能力强等优点，因而广泛应用于加氢裂化、连续重整、天然气液化等领域。依据前人研究，通过对基础椭圆管进行开槽及扭曲加工，建立了不同类型开槽管，与光滑圆管对比模拟结果，最终提出了一种适用于缠绕管式换热器的新管型－扭曲椭圆花瓣管，得到新型换热管努赛尔数Nu相较光滑圆管平均提升了24.88%， 阻力系数f提升了9.4% ～ 10.7%， 综合评价因子PEC提升了12.44% ～ 24.66%，为新型缠绕管式换热器的设计提供了参考。</abstract><keywords>缠绕管式换热器，管侧流动，数值模拟，新型管</keywords></article-meta></front><body/><back><ref-list><ref id="B1" content-type="article"><label>1</label><element-citation publication-type="journal"><p>[1] Neeraas B O, Fredheim A O, Aunan B．Experimental data and model for heat transfer，in liquid falling film flow on shell-side, for spiral-wound LNG heat exchanger[J].International journal of heat and mass transfer, 2004, 47( 14): 3565-3572．[2] C.Zhang, D. Wang, S.a. Xiang, Y. Han, X.u. Peng, Numerical investigation of heat transfer and pressure drop in helically coiled tube with spherical corrugation[J], Int. J.Heat Mass Transf. 113 (2017) 332&amp;ndash;341.[3] Rabienataj Darzi A A, Abuzadeh M, Omidi M. Numerical investigation on thermal performance of coiled tube with helical corrugated wall[J]. International Journal ofThermal Sciences, 2021, 161: 106759.[4] E.Pavan Kumar, A. Kumar Solanki, M.J. Kumar, M., Numerical investigation of heat transfer and pressure drop characteristics in the micro-fin helically coiled tubes[J],Appl. Therm. Eng. 182 (2021), 116093.[5] G. Jian, S. Wang, L. Sun, J. Wen, Numerical investigation on the application of elliptical tubes in a spiral-wound heat exchanger used in LNG plant[J], Int. J. Heat MassTransf. 130 (2019) 333&amp;ndash;341.[6] M. Omidi, M. Farhadi, A.R. Darzi, A., Numerical study of heat transfer on using lobed cross sections in helical coil heat exchangers: Effect of physical and geometricalparameters[J], Energy Convers. Manage. 176 (2018) 236&amp;ndash;245.[7] Wang G, Dbouk T, Wang D, et al. Experimental and numerical investigation on hydraulic and thermal performance in the tube-side of helically coiled-twisted trilobal tubeheat exchanger[J]. International Journal of Thermal Sciences, 2020, 153: 106328.[8] Han Y, Li JN, Zhang C, et al. Exergy loss analysis on heat transfer characteristics of twisted petaloid spirally wound tube with the convection boundary condition[J].Applied Thermal Engineering, 2023, 218: 119291.[9] 马飞．螺旋缠绕管换热器传热数值模拟［D］．郑州大学，2014.[10] 陈诚．绕管式换热器内天然气低温流动换热的数值模拟［D］．中国石油大学（北京），2019.</p><pub-id pub-id-type="doi"/></element-citation></ref></ref-list></back></article>
