conference paper · E3S Web of Conferences · 2017
A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction
Muhammad Abdul Qyyum, Feng Wei, Arif Hussain, Wahid Ali, Oh Sehee, Moonyong Lee
Cited by 3Open access
Abstract
This research work unfolds a simple, safe, and environment-friendly energy efficient novel vortex tube-based natural gas liquefaction process (LNG). A vortex tube was introduced to the popular N2-expander liquefaction process to enhance the liquefaction efficiency. The process structure and condition were modified and optimized to take a potential advantage of the vortex tube on the natural gas liquefaction cycle. Two commercial simulators ANSYS® and Aspen HYSYS® were used to investigate the application of vortex tube in the refrigeration cycle of LNG process. The Computational fluid dynamics (CFD) model was used to simulate the vortex tube with nitrogen (N2) as a working fluid. Subsequently, the results of the CFD model were embedded in the Aspen HYSYS® to validate the proposed LNG liquefaction process. The proposed natural gas liquefaction process was optimized using the knowledge-based optimization (KBO) approach. The overall energy consumption was chosen as an objective function for optimization. The performance of the proposed liquefaction process was compared with the conventional N2-expander liquefaction process. The vortex tube-based LNG process showed a significant improvement of energy efficiency by 20% in comparison with the conventional N2-expander liquefaction process. This high energy efficiency was mainly due to the isentropic expansion of the vortex tube. It turned out that the high energy efficiency of vortex tube-based process is totally dependent on the refrigerant cold fraction, operating conditions as well as refrigerant cycle configurations.
Cite this paper
Qyyum, M. A., Wei, F., Hussain, A., Ali, W., Sehee, O., & Lee, M. (2017). A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction. E3S Web of Conferences, 22, 00140. https://doi.org/10.1051/e3sconf/20172200140
Qyyum, Muhammad Abdul, et al. “A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction.” E3S Web of Conferences, vol. 22, 2017, p. 00140, https://doi.org/10.1051/e3sconf/20172200140.
Qyyum, Muhammad Abdul, Feng Wei, Arif Hussain, Wahid Ali, Oh Sehee, and Moonyong Lee. 2017. “A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction.” E3S Web of Conferences 22: 00140. https://doi.org/10.1051/e3sconf/20172200140.
Qyyum, M.A. et al. (2017) ‘A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction’, E3S Web of Conferences, 22, p. 00140. Available at: https://doi.org/10.1051/e3sconf/20172200140.
@article{qyyum2017novel,
title = {{A novel vortex tube-based N2-expander liquefaction process for enhancing the energy efficiency of natural gas liquefaction}},
author = {Qyyum, Muhammad Abdul and Wei, Feng and Hussain, Arif and Ali, Wahid and Sehee, Oh and Lee, Moonyong},
journal = {E3S Web of Conferences},
volume = {22},
pages = {00140},
year = {2017},
doi = {10.1051/e3sconf/20172200140}
}Made from the index record. Check names, capitalisation and page numbers against the paper. Need another style? AI for Research has over 10,000.