The aim of this work is the experimental analysis of a primary-surface recuperator, operating in a 100 kW micro gas turbine, as in a standard recuperated cycle. These tests, performed in both steady-state and transient conditions, have been carried out using the micro gas turbine test rig, developed by the Thermochemical Power Group at the University of Genova, Italy. Even if this facility has mainly been designed for hybrid system emulations, it is possible to exploit the plant for component tests, such as experimental studies on recuperators. The valves installed in the rig make it possible to operate the plant in the standard recuperated configuration, and the facility has been equipped with new probes essential for this kind of tests. A wide-ranging analysis of the recuperator performance has been carried out with the machine, operating in stand-alone configuration, or connected to the electrical grid, to test different control strategy influences. Particular attention has been given to tests performed at different electrical load values and with different mass flow rates through the recuperator ducts. The final section of this paper reports the transient analysis carried out on this recuperator. The attention is mainly focused on thermal transient performance of the component, showing the effects of both temperature and flow steps.
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e-mail: mario.ferrari@unige.it
e-mail: matteo.pascenti@unige.it
e-mail: loredana.magistri@unige.it
e-mail: massardo@unige.it
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February 2010
Research Papers
Micro Gas Turbine Recuperator: Steady-State and Transient Experimental Investigation
Mario L. Ferrari,
Mario L. Ferrari
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
e-mail: mario.ferrari@unige.it
Università di Genova
, Genova 16145, Italy
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Matteo Pascenti,
Matteo Pascenti
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
e-mail: matteo.pascenti@unige.it
Università di Genova
, Genova 16145, Italy
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Loredana Magistri,
Loredana Magistri
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
e-mail: loredana.magistri@unige.it
Università di Genova
, Genova 16145, Italy
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Aristide F. Massardo
Aristide F. Massardo
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
e-mail: massardo@unige.it
Università di Genova
, Genova 16145, Italy
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Mario L. Ferrari
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
Università di Genova
, Genova 16145, Italye-mail: mario.ferrari@unige.it
Matteo Pascenti
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
Università di Genova
, Genova 16145, Italye-mail: matteo.pascenti@unige.it
Loredana Magistri
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
Università di Genova
, Genova 16145, Italye-mail: loredana.magistri@unige.it
Aristide F. Massardo
Thermochemical Power Group (TPG), Dipartimento di Macchine, Sistemi Energetici e Trasporti (DiMSET),
Università di Genova
, Genova 16145, Italye-mail: massardo@unige.it
J. Eng. Gas Turbines Power. Feb 2010, 132(2): 022301 (8 pages)
Published Online: November 5, 2009
Article history
Received:
March 19, 2009
Revised:
March 24, 2009
Online:
November 5, 2009
Published:
November 5, 2009
Citation
Ferrari, M. L., Pascenti, M., Magistri, L., and Massardo, A. F. (November 5, 2009). "Micro Gas Turbine Recuperator: Steady-State and Transient Experimental Investigation." ASME. J. Eng. Gas Turbines Power. February 2010; 132(2): 022301. https://doi.org/10.1115/1.3156822
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