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Casson hybrid nanofluid flow over a Riga plate for drug deliveryapplications with double diffusion
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作者 Abeer S.Alnahdi Taza Gul 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第10期311-320,共10页
Casson fluid-mediated hybrid nanofluids are more effective at transferring heat than traditional heat transfer fluids in terms of thermal conductivity.Heat exchangers,cooling systems and other thermal management syste... Casson fluid-mediated hybrid nanofluids are more effective at transferring heat than traditional heat transfer fluids in terms of thermal conductivity.Heat exchangers,cooling systems and other thermal management systems are ideal for use with Casson fluids.Precise control of the flow and release of medication is necessary when using Casson fluids in drug delivery systems because of their unique rheological properties.Nanotechnology involves the creation of nanoparticles that are loaded with drugs and distributed in Casson fluid-based carriers for targeted delivery.In this study,to create a hybrid nanofluid,both single-walled carbon nanotubes(SWCNTs)and multi-walled carbon nanotubes(MWCNTs)are dispersed in a Casson fluid with Fourier’s and Fick’s laws assumptions.The Casson fluid is suitable for various engineering and medical applications due to the enhancement of heat transfer and thermal conductivity by the carbon nanotubes.Our objective is to understand how SWCNTs and MWCNTs impact the flow field by studying the flow behavior of the Casson hybrid nanofluid when it is stretched against a Riga plate.The Darcy-Forchheimer model is also used to account for the impact of the porous medium near the stretching plate.Both linear and quadratic drag terms are taken into account in this model to accurately predict the flow behavior of the nanofluid.In addition,the homotopy analysis method is utilized to address the model problem.The outcomes are discussed and deliberated based on drug delivery applications.These findings shed valuable light on the flow characteristics of a Casson hybrid nanofluid comprising SWCNTs and MWCNTs.It is observed that the incorporation of carbon nanotubes makes the nanofluid a promising candidate for medical applications due to its improved heat transfer properties. 展开更多
关键词 carbon nanotubes(CNTs) riga plate Casson fluid with Fourier’s and Fick’s laws analytical solutions
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里加周期内欧盟促进职业教育与培训改革的路径选择及启示 被引量:3
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作者 王琳 徐涵 《现代教育管理》 CSSCI 北大核心 2022年第1期119-128,共10页
欧盟各国于2015年在拉脱维亚首都里加共同确定了里加周期(2015—2020年)职业教育与培训(VET)改革的五个优先领域(即里加结论)。欧盟各国根据里加结论分别在职业教育与培训政策法律保障、多元利益主体协同合作、职业教育质量保障与评估... 欧盟各国于2015年在拉脱维亚首都里加共同确定了里加周期(2015—2020年)职业教育与培训(VET)改革的五个优先领域(即里加结论)。欧盟各国根据里加结论分别在职业教育与培训政策法律保障、多元利益主体协同合作、职业教育质量保障与评估标准、职业教育关键能力、职业教育教师专业化发展五个方面采取了不同的政策措施,以促进本国职业教育与培训(VET)的发展,加强欧盟成员国内部职业教育与培训(VET)的合作。借鉴其经验,建议设计符合我国国情的现代学徒制、建立企业参与学徒制的促进机制,促进多部门以及利益相关者之间的合作和交流、加强职业教育与劳动力市场需求的契合度、构建我国职业教育关键能力模型。 展开更多
关键词 欧盟 职业教育与培训 教育政策 教育改革 里加周期
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