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Modelling liquefied-natural-gas processes using highly accurate property models

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  • Dauber, Florian
  • Span, Roland

Abstract

Accurate simulations are important for efficient design and operation of a process. Therefore, a precise representation of thermophysical properties using an adequate property model is necessary. The GERG-2008 by Kunz and Wagner [1] is the new reference equation of state for natural gases consisting of up to 21 specific compounds. It describes the gas and liquid phase as well as the super-critical region and the vapour–liquid equilibrium. In order to model LNG processes with the highest accuracy available, software available for the new equation is implemented into various common simulation tools. To ensure stable and consistent simulations, the GERG-2008 Property Package has been developed, which meets the CAPE-OPEN standard. The influence of property models on the simulation of the most important processes of the LNG value chain is investigated. Results show the expected advantages in accuracy for simulations using the new property model.

Suggested Citation

  • Dauber, Florian & Span, Roland, 2012. "Modelling liquefied-natural-gas processes using highly accurate property models," Applied Energy, Elsevier, vol. 97(C), pages 822-827.
    • Handle: RePEc:eee:appene:v:97:y:2012:i:c:p:822-827
    DOI: 10.1016/j.apenergy.2011.11.045
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    Cited by:

    1. Dong, Hui & Zhao, Liang & Zhang, Songyuan & Wang, Aihua & Cai, Jiuju, 2013. "Using cryogenic exergy of liquefied natural gas for electricity production with the Stirling cycle," Energy, Elsevier, vol. 63(C), pages 10-18.
    2. Duan, Zhongdi & Ren, Tao & Ding, Guoliang & Chen, Jie & Mi, Xiaoguang, 2017. "Liquid-migration based model for predicting the thermal performance of spiral wound heat exchanger for floating LNG," Applied Energy, Elsevier, vol. 206(C), pages 972-982.
    3. Wang, Xiu & Zhao, Liang & Zhang, Lihui & Zhang, Menghui & Dong, Hui, 2019. "A novel combined system for LNG cold energy utilization to capture carbon dioxide in the flue gas from the magnesite processing industry," Energy, Elsevier, vol. 187(C).
    4. Nguyen, Tuong-Van & Elmegaard, Brian, 2016. "Assessment of thermodynamic models for the design, analysis and optimisation of gas liquefaction systems," Applied Energy, Elsevier, vol. 183(C), pages 43-60.
    5. Baccanelli, Margaret & Langé, Stefano & Rocco, Matteo V. & Pellegrini, Laura A. & Colombo, Emanuela, 2016. "Low temperature techniques for natural gas purification and LNG production: An energy and exergy analysis," Applied Energy, Elsevier, vol. 180(C), pages 546-559.
    6. Kalikatzarakis, Miltiadis & Theotokatos, Gerasimos & Coraddu, Andrea & Sayan, Paul & Wong, Seng Yew, 2022. "Model based analysis of the boil-off gas management and control for LNG fuelled vessels," Energy, Elsevier, vol. 251(C).
    7. Zhao, Liang & Dong, Hui & Tang, Jiajun & Cai, Jiuju, 2016. "Cold energy utilization of liquefied natural gas for capturing carbon dioxide in the flue gas from the magnesite processing industry," Energy, Elsevier, vol. 105(C), pages 45-56.

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