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Development of binary nanoemulsion to apply for diffusion absorption refrigerator as a new refrigerant

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  • Lee, Jin Ki
  • Lee, Kyoung-Ryul
  • Kang, Yong Tae

Abstract

Binary nanoemulsion is defined as the nanoemulsion of which base fluid is a binary mixture such as NH3/H2O solution. The objectives of this paper are to estimate the effect of nano-sized oil droplets on the performance of a diffusion absorption refrigerator (DAR) and to find the relationship between the dispersion stability and COP (coefficient of performance) enhancement of the DAR system. The concentration and ratio of oil and surfactants are considered as the key parameters. N-decane oil is added into NH3/H2O solution to make the binary nanoemulsions, and C12E4 (Polyoxyethylene lauryl ether) and TWEEN20 (Polyoxyethylen sorbitan monolaurate, C58H114O26) are used as the surfactants for stable dispersion. The dispersion stability of binary nanoemulsions is evaluated by the droplet size measurement and Tyndall effect analysis. It is found that the binary nanoemulsion fluid increases the COP of the DAR system as high as 15% compared with that of the base fluid refrigerator.

Suggested Citation

  • Lee, Jin Ki & Lee, Kyoung-Ryul & Kang, Yong Tae, 2014. "Development of binary nanoemulsion to apply for diffusion absorption refrigerator as a new refrigerant," Energy, Elsevier, vol. 78(C), pages 693-700.
    • Handle: RePEc:eee:energy:v:78:y:2014:i:c:p:693-700
    DOI: 10.1016/j.energy.2014.10.060
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    References listed on IDEAS

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    1. Ben Ezzine, N. & Garma, R. & Bourouis, M. & Bellagi, A., 2010. "Experimental studies on bubble pump operated diffusion absorption machine based on light hydrocarbons for solar cooling," Renewable Energy, Elsevier, vol. 35(2), pages 464-470.
    2. Rodríguez-Muñoz, J.L. & Belman-Flores, J.M., 2014. "Review of diffusion–absorption refrigeration technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 30(C), pages 145-153.
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    Cited by:

    1. Taieb, Ahmed & Mejbri, Khalifa & Bellagi, Ahmed, 2016. "Detailed thermodynamic analysis of a diffusion-absorption refrigeration cycle," Energy, Elsevier, vol. 115(P1), pages 418-434.
    2. Kim, Gahyeong & Choi, Hyung Won & Lee, Gawon & Lee, Jang Seok & Kang, Yong Tae, 2020. "Experimental study on diffusion absorption refrigeration systems with low GWP refrigerants," Energy, Elsevier, vol. 201(C).
    3. Abed, Azher M. & Alghoul, M.A. & Sopian, K. & Majdi, Hasan Sh. & Al-Shamani, Ali Najah & Muftah, A.F., 2017. "Enhancement aspects of single stage absorption cooling cycle: A detailed review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 77(C), pages 1010-1045.
    4. Gürbüz, Emine Yağız & Keçebaş, Ali & Sözen, Adnan, 2022. "Exergy and thermoeconomic analyses of the diffusion absorption refrigeration system with various nanoparticles and their different ratios as work fluid," Energy, Elsevier, vol. 248(C).
    5. Amaris, Carlos & Vallès, Manel & Bourouis, Mahmoud, 2018. "Vapour absorption enhancement using passive techniques for absorption cooling/heating technologies: A review," Applied Energy, Elsevier, vol. 231(C), pages 826-853.

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