News Updates Sunday 26th Feb 2017 :
  • Welcome to International Press Corporation, world's leading publishers, We have served more than 10000+ authors
  • Articles are invited in engineering, science, technology, management, industrial engg, biotechnology etc.
  • Paper submission last date of Jan/Feb 2017 extended to 28 Feb 2017, Submit online or at editor.ijcet@inpressco.com
  • Our journals are indexed in University of Regensburg Germany, Google Scholar, Cross Reference data bases
  • Applications for reviewers are invited and can be sent directly to concerned editor's mail

Numerical and Experimental Study of Heat Transfer Characteristics with Centrally Cleared Two Twisted Tapes


Author : Aditi Uday Desai, R. D. Shelke and H. N. Deshpande

Pages : 129-133, DOI:http://Dx.Doi.Org/10.14741/Ijcet/22774106/spl.5.6.2016.25
Download PDF
Abstract

One of the key ways to enhance the heat transfer is use of twisted tape inserts. But along with the heat transfer it also
increases pressure drop which results in increase in pumping power.So optimized tape design is required to achieve
optimum cost. To get improved heat transfer coefficient with reasonable pressure drop two twisted tapes with center
clearance is proposed. Effect of addition of two twisted tapes inside a tube at constant heat flux condition is reported
in this paper. Results obtained for single twisted tape insert and two twisted tape inserts are compared analytically as well as numerically. Air is used as a test fluid. Study is carried out in turbulent region. Results are compared at
Reynolds’s number 45,000 for no twisted tape, one twisted tape & two tapes. Results for two twisted tapes with twist
ratios 3, 4, 5 are compared at Reynolds’s number 45,000. Heat transfer coefficient is improved as compared to plain
tube& single tape by 2.2% to 10.1%.Optimum results are obtained at twist ratio 5.

Keywords: Centrally Cleared Twisted Tape, Heat transfer coefficient, Twist Ratio.

 

Call for Papers
  1. IJCET- Jan/Feb-2017 Issue

    Submission Last Date extened to
    28 Feb 2017
  2. IJTT-March-2017
  3. IJAIE-March-2017
  4. IJCSB-March-2017
  • Inpressco Google Scholar
  • Inpressco Science Central
  • Inpressco Global impact factor
  • Inpressco aap

International Press corporation is licensed under a Creative Commons Attribution-Non Commercial NoDerivs 3.0 Unported License
©2010-2017 INPRESSCO® All Rights Reserved