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ISSN: 2321-9939 | ESTD Year: 2013

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Paper Title
Sizing of triple concentric pipe heat exchanger
  Tejas M Ghiwala,  Dr V k Matawla

The triple concentric pipes heat exchanger is an improved version of double pipe heat exchanger. Most of the previous study on the heat exchanger is confined to two fluids and few of many possible flow arrangements. The present study involves the sizing of triple concentric pipes heat exchanger where in two cold water streams flow through the central tube and outer annular space at same mass flow rates and same inlet temperatures in co-current direction while hot water flows through inner annular space in counter-current direction. This paper proposes a basic procedure for calculating overall heat transfer coefficients and length of triple concentric pipes heat exchanger. Length of triple pipe heat exchanger is computed for a required temperature drop of hot water with available dimensions of three pipes by LMTD method. Overall heat transfer coefficient and length of the equivalent double pipe heat exchanger are compared with that of the triple pipe heat exchanger. The theoretical analysis shows that introducing an intermediate pipe to the double pipe heat exchanger reduces effective length of heat exchanger, which results in savings in material and space. The triple concentric pipes heat exchanger provides large heat transfer area per unit heat exchanger length and better heat transfer efficiencies compared to double pipe heat exchanger.

Keywords- Heat exchanger, Triple concentric pipe, Double pipe, Sizing, Overall heat transfer coefficients
Publication Details
Unique Identification Number - IJEDR1402067
Page Number(s) - 1683-1692
Pubished in - Volume 2 | Issue 2 | June 2014
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
  Tejas M Ghiwala,  Dr V k Matawla,   "Sizing of triple concentric pipe heat exchanger", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 2, pp.1683-1692, June 2014, Available at :http://www.ijedr.org/papers/IJEDR1402067.pdf
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