The power, water extraction, and refrigeration (PoWER) engine has been investigated for several years as a distributed energy (DE) system among other applications for civilian or military use. Previous literature describing its modeling and experimental demonstration have indicated several benefits, especially when the underlying semiclosed cycle gas turbine is combined with a vapor absorption refrigeration system, the PoWER system described herein. The benefits include increased efficiency, high part-power efficiency, small lapse rate, compactness, low emissions, lower air and exhaust flows (which decrease filtration and duct size), and condensation of fresh water. The present paper describes the preliminary design and its modeling of a modified version of this system as applied to DE, especially useful in regions, which are prone to major grid interruptions due to hurricanes, undercapacity, or terrorism. In such cases, the DE system should support most or all services within an isolated service island, including ice production, so that the influence of the power outage is contained in magnitude and scope. The paper describes the rather straightforward system modifications necessary for ice production. However, the primary focus of the paper is on dynamic modeling of the ice making capacity to achieve significant load-leveling via thermal energy storage during the summer utility peak, hence reducing the electrical capacity requirements for the grid.
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e-mail: choonjae.ryu@gmail.com
e-mail: ar588@ufl.edu
e-mail: jcrittenden@gmail.com
e-mail: lear@ufl.edu
e-mail: sasherif@ufl.edu
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June 2010
Research Papers
Dynamic Modeling of a Novel Cooling, Heat, Power, and Water Microturbine Combined Cycle
ChoonJae Ryu,
ChoonJae Ryu
Department of Mechanical and Aerospace Engineering,
e-mail: choonjae.ryu@gmail.com
University of Florida
, P.O. Box 116300, Gainesville, FL 32611
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David R. Tiffany,
David R. Tiffany
Department of Mechanical and Aerospace Engineering,
e-mail: ar588@ufl.edu
University of Florida
, P.O. Box 116300, Gainesville, FL 32611
Search for other works by this author on:
John F. Crittenden,
John F. Crittenden
Department of Mechanical and Aerospace Engineering,
e-mail: jcrittenden@gmail.com
University of Florida
, P.O. Box 116300, Gainesville, FL 32611
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William E. Lear,
William E. Lear
Department of Mechanical and Aerospace Engineering,
e-mail: lear@ufl.edu
University of Florida
, P.O. Box 116300, Gainesville, FL 32611
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S. A. Sherif
S. A. Sherif
Department of Mechanical and Aerospace Engineering,
e-mail: sasherif@ufl.edu
University of Florida
, P.O. Box 116300, Gainesville, FL 32611
Search for other works by this author on:
ChoonJae Ryu
Department of Mechanical and Aerospace Engineering,
University of Florida
, P.O. Box 116300, Gainesville, FL 32611e-mail: choonjae.ryu@gmail.com
David R. Tiffany
Department of Mechanical and Aerospace Engineering,
University of Florida
, P.O. Box 116300, Gainesville, FL 32611e-mail: ar588@ufl.edu
John F. Crittenden
Department of Mechanical and Aerospace Engineering,
University of Florida
, P.O. Box 116300, Gainesville, FL 32611e-mail: jcrittenden@gmail.com
William E. Lear
Department of Mechanical and Aerospace Engineering,
University of Florida
, P.O. Box 116300, Gainesville, FL 32611e-mail: lear@ufl.edu
S. A. Sherif
Department of Mechanical and Aerospace Engineering,
University of Florida
, P.O. Box 116300, Gainesville, FL 32611e-mail: sasherif@ufl.edu
J. Energy Resour. Technol. Jun 2010, 132(2): 021006 (9 pages)
Published Online: June 11, 2010
Article history
Received:
February 27, 2009
Revised:
March 29, 2010
Online:
June 11, 2010
Published:
June 11, 2010
Citation
Ryu, C., Tiffany, D. R., Crittenden, J. F., Lear, W. E., and Sherif, S. A. (June 11, 2010). "Dynamic Modeling of a Novel Cooling, Heat, Power, and Water Microturbine Combined Cycle." ASME. J. Energy Resour. Technol. June 2010; 132(2): 021006. https://doi.org/10.1115/1.4001567
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