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International Heat Transfer Conference 15

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Diffusion of Carbon Dioxide in Decane by MRI Technique

Min Hao
School of Energy and Power Engineering, Shenyang University of Chemical Technology, Shenyang, Liaoning 110142, China; Key Laboratory of Ocean Energy Utilization and Energy Conservation of the Ministry of Education, Dalian University of Technology, No. 2 Linggong Road, Ganjingzi District, Dalian, Liaoning, 116024, China

Yongchen Song
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, No.2 Linggong Rd. Ganjingzi District, Liaoning 116024, China

Yuechao Zhao
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, No.2 Linggong Rd. Ganjingzi District, Liaoning 116024, China

Yu Liu
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, Liaoning 116024, China

Bo Su
Dalian University of Technology

Lanlan Jiang
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China; Research Institute of Innovative Technology for the Earth, Kizugawa City, Kyoto 619-0292, Japan

Xinhuan Zhou
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian, Liaoning 116024, China

Lingyue Tang
Dalian University of Technology

DOI: 10.1615/IHTC15.tpp.009220
pages 8891-8899


KEY WORDS: Thermophysical properties, Molecular transport, Carbon Dioxide, Diffusion Coefficient, MRI

Abstract

In this study, the dual-chamber pressure decay method and magnetic resonance imaging (MRI) were used to dynamically visualize the CO2 diffusion process in n-decane, and the relations of concentration-distance for CO2 diffusing into oil at different times for CO2-oil system were obtained by quantitative analysis. A noniterative finite volume method was successfully applied to calculate the diffusion coefficient of CO2 in oil. The results agreed very well with the conventional pressure decay method. According to the experimental and calculating results, the relationship between the diffusion coefficients of CO2 in oil and CO2 concentration, diffusion distance, diffusion time and pressure during the process of CO2 diffusion in oil were discussed in detail.

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