This paper presents the modeling approach of a multipurpose simulation tool called gas turbine Arekret-cycle simulation (GT-ACYSS); which can be utilized for the simulation of steady-state and pseudo transient performance of closed-cycle gas turbine plants. The tool analyzes the design point performance as a function of component design and performance map characteristics predicted based on multifluid map scaling technique. The off-design point is analyzed as a function of design point performance, plant control settings, and a wide array of other off-design conditions. GT-ACYSS can be a useful educational tool since it allows the student to monitor gas path properties throughout the cycle without laborious calculations. It allows the user to have flexibility in the selection of four different working fluids, and the ability to simulate various single-shaft closed-cycle configurations, as well as the ability to carry out preliminary component sizing of the plant. The modeling approach described in this paper has been verified with case studies and the trends shown appeared to be reasonable when compared with reference data in the open literature, hence, can be utilized to perform independent analyses of any referenced single-shaft closed-cycle gas turbine plants. The results of case studies presented herein demonstrated that the multifluid scaling method of components and the algorithm of the steady-state analysis were in good agreement for predicting cycle performance parameters (such as efficiency and output power) with mean deviations from referenced plant data ranging between 0.1% and 1% over wide array of operations.
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October 2019
Research-Article
Gas Turbine Arekret-Cycle Simulation Modeling for Training and Educational Purposes
Emmanuel O. Osigwe,
Emmanuel O. Osigwe
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
1Corresponding author.
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Pericles Pilidis,
Pericles Pilidis
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
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Theoklis Nikolaidis,
Theoklis Nikolaidis
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
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Suresh Sampath
Suresh Sampath
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Search for other works by this author on:
Emmanuel O. Osigwe
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Pericles Pilidis
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Theoklis Nikolaidis
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Suresh Sampath
Power Propulsion Engineering Center,
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
Cranfield University,
Bedford, Bedfordshire MK43 0AL, UK
1Corresponding author.
Manuscript received January 5, 2019; final manuscript received April 29, 2019; published online August 2, 2019. Assoc. Editor: Juan-Luis Francois.
ASME J of Nuclear Rad Sci. Oct 2019, 5(4): 041207 (11 pages)
Published Online: August 2, 2019
Article history
Received:
January 5, 2019
Revised:
April 29, 2019
Citation
Osigwe, E. O., Pilidis, P., Nikolaidis, T., and Sampath, S. (August 2, 2019). "Gas Turbine Arekret-Cycle Simulation Modeling for Training and Educational Purposes." ASME. ASME J of Nuclear Rad Sci. October 2019; 5(4): 041207. https://doi.org/10.1115/1.4043681
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