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Numerical Investigation of a Shell and Coil Tube Heat Exchanger used in Solar Domestic Hot Water System

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Advances in Air Conditioning and Refrigeration

Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))

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Abstract

In this study, a shell and coil tube heat exchanger used in a solar domestic hot water system is numerically studied. A 3-D model of the SCTHE is prepared using the commercial software package ANSYS 16.1. The result of the current approach is verified and validated with the results available in the literature with good conformity. Simulation runs are performed to determine the effect of three major parameters, i.e. the mass flow rate of the coil-side fluid, the mass flow rate of the outer annulus-side fluid and the inlet temperature of the coil-side fluid on the thermal performance of the SCTHE, i.e. overall heat transfer coefficient and heat transfer effectiveness. It is found out that with the increase in inner Dean number, outer Dean number and inlet temperature of the coil-side fluid, the overall heat transfer coefficient increases in every case; however, the effectiveness decreases with increment in inner Dean number and inlet temperature of the coil-side fluid and increases with increment in outer Dean number.

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Abbreviations

A :

Surface area, m2

C :

Heat capacity, J/K

d c :

Diameter of helical tube, m

D c :

Coil diameter, m

De :

Dean number

h :

Convective heat transfer coefficient, W/m2 K

K :

Thermal conductivity, W/m K

L :

Length, m

p :

Pitch, m

R :

Capacity ratio

Re :

Reynolds number

U :

Overall heat transfer coefficient, W/m2 K

É› :

Effectiveness

c:

Coil

cu:

Copper

CFC:

Counterflow configuration

h:

Hot water

i:

Inner

min:

Minimum

n:

Normal water

o:

Outer

PFC:

Parallel flow configuration

CFD:

Computational fluid Dynamics

LPH:

Litre per hour

NTU:

Numbers of transfer unit

SCTHE:

Shell and coil tube heat exchanger

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Author information

Authors and Affiliations

  1. Department of Mechanical Engineering, C. V. Raman Global University, Bhubaneswar, 752054, Odisha, India

    Ashutosh Rout, Taraprasad Mohapatra, Sachindra Kumar Rout & Dillip Kumar Biswal

Authors
  1. Ashutosh Rout
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  2. Taraprasad Mohapatra
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  3. Sachindra Kumar Rout
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  4. Dillip Kumar Biswal
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Corresponding author

Correspondence to Taraprasad Mohapatra .

Editor information

Editors and Affiliations

  1. Mechanical Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur, India

    Maddali Ramgopal

  2. Mechanical Engineering Department, C. V. Raman College of Engineering, Bhubaneswar, India

    Sachindra Kumar Rout

  3. School of Mechanical Sciences, Indian Institute of Technology, Bhubaneswar, India

    Sunil Kr Sarangi

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Rout, A., Mohapatra, T., Rout, S.K., Biswal, D.K. (2021). Numerical Investigation of a Shell and Coil Tube Heat Exchanger used in Solar Domestic Hot Water System. In: Ramgopal, M., Rout, S.K., Sarangi, S.K. (eds) Advances in Air Conditioning and Refrigeration. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-6360-7_18

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  • DOI: https://doi.org/10.1007/978-981-15-6360-7_18

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-15-6359-1

  • Online ISBN: 978-981-15-6360-7

  • eBook Packages: EngineeringEngineering (R0)

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