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CFD Analysis of Tube Type Heat Exchanger of a Split Air Conditioner

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Advances in Fluid and Thermal Engineering

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

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Abstract

Crossflow multi-tube type heat exchanger is very popular as a condensing unit of a split air conditioner. In this unit, high-temperature superheated refrigerant vapor flows inside the tubes, which are arranged in a staggered manner in two rows. Atmospheric air drawn through a fan flows over these tubes and cools down the refrigerant. Circular fins in circular shaped tubes are embedded for enhancing the heat transfer rate. The shape of tubes plays an important role for enhancing the heat transfer coefficient and decreasing the coefficient of friction. In this manuscript, CFD simulation is carried out for thermal and fluid analysis of various cross section tubes like circular and elliptical. Simulations have been carried out in the in-house CFD solver for various Reynold numbers and various Prandtl numbers. Our simulation shows that the tube has high Nu/Cf for elliptical cross section as compared to the other shapes. Other insights of fluid flow and heat transfer inside the tubes have been discussed to optimize the heat transfer rate in various environmental conditions.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Amity University NOIDA, Noida, India

    Rimi Sinha & Basant Singh Sikarwar

Authors
  1. Rimi Sinha
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  2. Basant Singh Sikarwar
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Corresponding author

Correspondence to Rimi Sinha .

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Editors and Affiliations

  1. Amity University Uttar Pradesh, Noida, India

    Basant Singh Sikarwar

  2. Lund University, Lund, Sweden

    Bengt Sundén

  3. Xi'an Jiaotong University, Shaanxi, China

    Qiuwang Wang

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© 2021 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Sinha, R., Sikarwar, B.S. (2021). CFD Analysis of Tube Type Heat Exchanger of a Split Air Conditioner. In: Sikarwar, B.S., Sundén, B., Wang, Q. (eds) Advances in Fluid and Thermal Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-0159-0_25

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  • DOI: https://doi.org/10.1007/978-981-16-0159-0_25

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-0158-3

  • Online ISBN: 978-981-16-0159-0

  • eBook Packages: EngineeringEngineering (R0)

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