Experimental study of heat transfer and friction factor inside elliptic tube fixed with helical coils

Faculty Engineering Year: 2018
Type of Publication: ZU Hosted Pages:
Authors:
Mohammed Attia Abdelattef
Journal: Applied Thermal Engineering Elsevier Ltd Volume:
Keywords : Experimental study , heat transfer , friction factor    
Abstract:
The circular and rectangular helical-coils were sited in elliptic tube section with four various pitches of 20, 45, 135 and 225 mm. The cold air Re number was ranged from (11 × 103 ≤ Re ≤ 3.375 × 104). The effect of reverse-flow for differe
    
     
 
       

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  • Mohammed Attia Abdelattef, "Heat transfer characteristics of staggered wing-shaped tubes bundle at different angles of attack", Springer-Verlag Berlin Heidelberg 2014, 2014 More
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  • Mohammed Attia Abdelattef, "Heat transfer characteristics and entropy generation for wing-shaped-tubes with longitudinal external fins in cross-flow", Springer, 2016 More
  • Mohammed Attia Abdelattef, "Effect of Longitudinal-External-Fins on Fluid Flow Characteristics for Wing-Shaped Tubes Bundle in Cross-flow", Hindawi Publishing Corporation, 2015 More
  • Mohammed Attia Abdelattef, "Flow and heat transfer enhancement in tube heat exchangers", Springer, 2015 More

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