Korean Journal of Air-Conditioning and Refrigeration Engineering (설비공학논문집)

The Society of Air-Conditioning and Refrigerating Engineers of Korea (대한설비공학회)
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Prediction of Transport Properties for Transporting Captured CO2. 2. Thermal Conductivity

수송조건 내 포집 이산화탄소의 전달물성 예측. 2. 열전도계수

  • Lee, Won Jun (Department of Mechanical Engineering, Graduate School, Hanbat National University) ;
  • Yun, Rin (Department of Mechanical Engineering, Hanbat National University)
  • 이원준 (한밭대학교 기계공학과 대학원) ;
  • 윤린 (한밭대학교 기계공학과)
  • Received : 2016.12.22
  • Accepted : 2017.01.26
  • Published : 2017.05.10
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Abstract

This study investigated the thermal conductivity of $CO_2$ gas mixtures in order to ascertain the effects of particular impurities in $CO_2$ in pipeline transportation. We predicted the thermal conductivity of three $CO_2$ gas mixtures ($CO_2+N_2$, $CO_2+H_2S$, and $CO_2+CH_4$) by utilizing three different methods : Chung et al., TRAPP, and the REFPROP model. We validated predictions by comparing the estimated results with 216 experimental data for $CO_2+CH_4$, $CO_2+N_2$, and $CO_2+C_2H_6$. Following $CO_2$ transportation conditions, we observed that the model developed by Chung et al. showed the lowest mean deviation of 3.07%. Further investigations were carried out on the thermal conductivity of $CO_2$ gas mixtures based on the Chung et al. model including the effects of the operation parameters of pressure, temperature, and mole fraction of impurities.

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References

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