IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v15y2022i12p4331-d838021.html
   My bibliography  Save this article

Experimental Investigation of Two-Phase Flow Boiling Heat Transfer Coefficient and Pressure Drop of R448A inside Multiport Mini-Channel Tube

Author

Listed:
  • Hieu Ngoc Hoang

    (Department of Refrigeration and Air-Conditioning, Graduate School, Chonnam National University, Yeosu 59626, Korea)

  • Nurlaily Agustiarini

    (Department of Refrigeration and Air-Conditioning, Graduate School, Chonnam National University, Yeosu 59626, Korea)

  • Jong Taek Oh

    (Department of Refrigeration and Air-Conditioning, Chonnam National University, Yeosu 59626, Korea)

Abstract

Regulations and restrictions against high global warming potential (GWP) refrigerants have been introduced to encourage the adoption of environmentally friendly refrigerants and mitigate the environmental impact of the HVAC industry. R448A, a zeotropic blend with a GWP of 1390, has recently been proposed as a drop-in replacement for R404A and R410A in commercial systems. In this study, the heat transfer coefficient and pressure drop characteristics of R448A within a multiport mini-channel tube were experimentally investigated. The experimental ranges of the mass and heat fluxes were 100 to 500 kg/(m 2 s) and 3–15 kW/m 2 , respectively. Additionally, the range of quality from 0 to 1 was considered at two fixed saturated temperatures of 3 and 6 °C. The heat transfer coefficient increased with mass flux. Under low mass flux condition, the heat flux increased the heat transfer coefficient, but there was no noticeable effect of the saturated temperature on the heat transfer coefficient. At high mass flux, heat flux had no major effect on heat transfer, while a decrease in the saturated temperature was found to increase the heat transfer coefficient. Moreover, the pressure drop increased with an increase in the mass flux and vapor quality, whereas the heat flux did not affect the pressure drop. The heat transfer coefficient and pressure drop performance of R448A was compared with that of R410A inside the same tube. Finally, correlations for heat transfer coefficient and pressure drop were proposed for the prediction of heat transfer coefficient and pressure drop in practical applications.

Suggested Citation

  • Hieu Ngoc Hoang & Nurlaily Agustiarini & Jong Taek Oh, 2022. "Experimental Investigation of Two-Phase Flow Boiling Heat Transfer Coefficient and Pressure Drop of R448A inside Multiport Mini-Channel Tube," Energies, MDPI, vol. 15(12), pages 1-18, June.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4331-:d:838021
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/15/12/4331/pdf
    Download Restriction: no

    File URL: https://www.mdpi.com/1996-1073/15/12/4331/
    Download Restriction: no
    ---><---

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Xinping Li & Nailiang Li & Xiang Lei & Ruotong Liu & Qiwei Fang & Bin Chen, 2023. "Study on Artificial Neural Network for Predicting Gas-Liquid Two-Phase Pressure Drop in Pipeline-Riser System," Energies, MDPI, vol. 16(4), pages 1-13, February.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:15:y:2022:i:12:p:4331-:d:838021. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.