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Numerical investigation for heat transfer enhancement in parabolic trough absorption tube using twisted tape inserts / Mohamed Ahmed Abdelazim Abousabae ; Supervised Essam E. Khalil Hassan Khalil , Gamal Abd Elmoniem Elhariry , Ahmed Eldegwy Ahmed Eldegwy

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohamed Ahmed Abdelazim Abousabae , 2017Description: 132 P. : charts , facsimiles ; 30cmOther title:
  • دراسة عدية لتحسين انتقال الحرارة في الأنبوبة المركزية لمجمع القطع المكافئ عن طريق استخدام الشرئط الحلزونية [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University -Faculty of Engineering - Department of Mechanical Power Engineering Summary: In this work, the thermal performance of parabolic trough absorption tube with twisted tape inserts were analyzed numerically using ANSYS FLUENT 15.0 software. An optical modelling tool that uses Monte-Carlo ray tracing techniques (Soltrace) was used to obtain the nonuniform heat flux distribution on the parabolic trough absorber tube. The results show that the use of twisted tape inserts results in high heat transfer rates due to the increased turbulence intensity and the mixing of the heat transfer fluid from that part of the absorber tube which receive concentrated heat flux with the heat transfer fluid from the part which receive only direct solar heat flux and the heat transfer increases between 17 % and 84 % and friction factor increases between 117 % and 415 %
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.11.M.Sc.2017.Mo.N (Browse shelf(Opens below)) Not for loan 01010110073340000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.13.11.M.Sc.2017.Mo.N (Browse shelf(Opens below)) 73340.CD Not for loan 01020110073340000

Thesis (M.Sc.) - Cairo University -Faculty of Engineering - Department of Mechanical Power Engineering

In this work, the thermal performance of parabolic trough absorption tube with twisted tape inserts were analyzed numerically using ANSYS FLUENT 15.0 software. An optical modelling tool that uses Monte-Carlo ray tracing techniques (Soltrace) was used to obtain the nonuniform heat flux distribution on the parabolic trough absorber tube. The results show that the use of twisted tape inserts results in high heat transfer rates due to the increased turbulence intensity and the mixing of the heat transfer fluid from that part of the absorber tube which receive concentrated heat flux with the heat transfer fluid from the part which receive only direct solar heat flux and the heat transfer increases between 17 % and 84 % and friction factor increases between 117 % and 415 %

Issued also as CD

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