A 1D model to predict ejector performance at critical and sub-critical operational regimesModèle unidimensionnel utilisé pour prévoir la performance d'un éjecteur sous des conditions de fonctionnement critiques et sous-critiques

Chen, Weixiong;Liu, Ming;Chong, DaoTong;Yan, JunJie;Bartosiewicz, Yann;et.al.
(2013) International Journal of Refrigeration : covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport — Vol. 36, n° 6, p. 1750-1761 (2013)

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Authors
  • Chen, WeixiongUCLouvain
    Author
  • Liu, MingGeorge W. Woodruff Scholl of Mechanical Engineering, Georgia Institute of Technology, Altanta, USA
    Author
  • Chong, DaoTongGeorge W. Woodruff Scholl of Mechanical Engineering, Georgia Institute of Technology, Altanta, USA
    Author
  • Yan, JunJieGeorge W. Woodruff Scholl of Mechanical Engineering, Georgia Institute of Technology, Altanta, USA
    Author
  • Bartosiewicz, YannUCLouvain
    Author
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Abstract
This paper proposes a new 1D model to predict ejector performance at critical and sub-critical operational modes, while most previous 1D models have only predicted ejector performance at critical mode operation. Constant pressure mixing is assumed to occur inside the constant area section of the ejector at critical and sub-critical mode operation, and the effectiveness of the model is verified against four sets of experimental data that include different working fluids and geometries. The results show that the proposed model accurately predicts ejector performance over all ranges of operation, and is a useful tool for predicting ejector performance within larger refrigeration cycle models.
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Chen, W., Liu, M., Chong, D., Yan, J., Little, A., & Bartosiewicz, Y. (2013). A 1D model to predict ejector performance at critical and sub-critical operational regimesModèle unidimensionnel utilisé pour prévoir la performance d’un éjecteur sous des conditions de fonctionnement critiques et sous-critiques. International Journal of Refrigeration : covering the theory and practice of refrigeration, including heat pumps, air conditioning, and food storage and transport, 36(6), 1750-1761. https://doi.org/10.1016/j.ijrefrig.2013.04.009 (Original work published 2013)