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   Investigation of Thermo-Hydraulic Performance of Circular Tube Fitted With Centercleared Twisted Tape Using Cfd Modeling  
   
نویسنده Vazifeshenas Y. ,Delavar M. A.
منبع International Journal Of Engineering - 2015 - دوره : 28 - شماره : 3 - صفحه:476 -482
چکیده    The article presents a practical technique for enhancing thermo-hydraulic performance of a circular tube. in this way, numerical method focusing on laminar tubular flow is used to compare the effectiveness of utilizing center-cleared twisted tapes instead of typical shape of short width tapes. numerical analysis represented that using both center-cleared and typical shape of twisted tapes, re enhancement reduces the flow resistance. studying short width twisted tapes showed that decreasing the width of twisted tape, reduces the heat transfer and hydraulic performance. contrarily, using sufficient clearance for center-cleared twisted tapes can increase the heat transfer. hence, applying center-cleared twisted tape as a tool of enhancing heat transfer can be a promising and practical idea.
کلیدواژه Twisted Tape ,Heat Transfer ,Friction Factor ,Laminar Tubular Flow
آدرس Babol University Of Technology, Faculty Of Mechanical Engineering, ایران, Babol University Of Technology, Faculty Of Mechanical Engineering, ایران
 
     
   
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