Experimental study of heat transfer enhancement in a liquid piston compressor/expander using porous media inserts

Experimental study of heat transfer enhancement in a liquid piston compressor/expander using... Applied Energy 154 (2015) 40–50 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Experimental study of heat transfer enhancement in a liquid piston compressor/expander using porous media inserts 1 1 2 ⇑ Bo Yan , Jacob Wieberdink , Farzad Shirazi , Perry Y. Li , Terrence W. Simon, James D. Van de Ven Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA highlights graphical a bstract Porous medias role to improve compressor/expander performance shown experimentally. Significant increase in efficiency increase (up to 18%) at fixed power density. Significant increase in power density (up to 39 folds) at fixed efficiency. Surface area is the predominant contribution to improvements. ar ti c l e i nf o ab stra ct Article history: The efficiency and power density of gas compression and expansion are strongly dependent on heat Received 25 November 2014 transfer during the process. Since porous media inserts can significantly increase heat transfer surface Received in revised form 24 April 2015 area, their addition to a liquid piston compressor/expander has been hypothesized to reduce the time Accepted 25 April 2015 to complete the compression or expansion process and hence the power density for a given thermody- http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Energy Elsevier

Experimental study of heat transfer enhancement in a liquid piston compressor/expander using porous media inserts

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0306-2619
D.O.I.
10.1016/j.apenergy.2015.04.106
Publisher site
See Article on Publisher Site

Abstract

Applied Energy 154 (2015) 40–50 Contents lists available at ScienceDirect Applied Energy journal homepage: www.elsevier.com/locate/apenergy Experimental study of heat transfer enhancement in a liquid piston compressor/expander using porous media inserts 1 1 2 ⇑ Bo Yan , Jacob Wieberdink , Farzad Shirazi , Perry Y. Li , Terrence W. Simon, James D. Van de Ven Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455, USA highlights graphical a bstract Porous medias role to improve compressor/expander performance shown experimentally. Significant increase in efficiency increase (up to 18%) at fixed power density. Significant increase in power density (up to 39 folds) at fixed efficiency. Surface area is the predominant contribution to improvements. ar ti c l e i nf o ab stra ct Article history: The efficiency and power density of gas compression and expansion are strongly dependent on heat Received 25 November 2014 transfer during the process. Since porous media inserts can significantly increase heat transfer surface Received in revised form 24 April 2015 area, their addition to a liquid piston compressor/expander has been hypothesized to reduce the time Accepted 25 April 2015 to complete the compression or expansion process and hence the power density for a given thermody-

Journal

Applied EnergyElsevier

Published: Sep 15, 2015

References

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