The paper presents a novel technique to define the optimal design of a power cycle considering design and off-design performance. A Kriging-based surrogate model is developed in order to simulate the power cycle at design conditions, while decreasing the computational effort. For each design considered, the performance at relevant off-design points is additionally evaluated by means of specific off-design models, developed for the main components of the system. The combination of design and off-design models allows the optimization process to take into account the performance at a selected set of operating conditions. The resulting optimal design will, thus, be characterized by a high degree of flexibility, intended as the ability to work efficiently in the several modes of operations to which the plant will be subjected to. The presented technique was tested on a case study. The optimal design of an offshore combined cycle was evaluated by using a multi-objective approach, where the two objective functions to minimize were the cumulative CO2 emissions and the weight of the bottoming cycle. The resulting designs showed to outperform those defined by a standard optimization procedure, demonstrating the effectiveness of the novel design technique.
Skip Nav Destination
ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
June 11–15, 2018
Oslo, Norway
Conference Sponsors:
- International Gas Turbine Institute
ISBN:
978-0-7918-5104-3
PROCEEDINGS PAPER
Optimal Design of Flexible Power Cycles Through Kriging-Based Surrogate Models
Luca Riboldi,
Luca Riboldi
Norwegian University of Science and Technology, Trondheim, Norway
Search for other works by this author on:
Lars O. Nord
Lars O. Nord
Norwegian University of Science and Technology, Trondheim, Norway
Search for other works by this author on:
Luca Riboldi
Norwegian University of Science and Technology, Trondheim, Norway
Lars O. Nord
Norwegian University of Science and Technology, Trondheim, Norway
Paper No:
GT2018-75214, V003T08A002; 10 pages
Published Online:
August 30, 2018
Citation
Riboldi, L, & Nord, LO. "Optimal Design of Flexible Power Cycles Through Kriging-Based Surrogate Models." Proceedings of the ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. Volume 3: Coal, Biomass, and Alternative Fuels; Cycle Innovations; Electric Power; Industrial and Cogeneration; Organic Rankine Cycle Power Systems. Oslo, Norway. June 11–15, 2018. V003T08A002. ASME. https://doi.org/10.1115/GT2018-75214
Download citation file:
24
Views
Related Proceedings Papers
Related Articles
The Thermoeconomic and Environomic Modeling and Optimization of the Synthesis, Design, and Operation of Combined Cycles With Advanced Options
J. Eng. Gas Turbines Power (October,2001)
CO 2 Emission Abatement in IGCC Power Plants by Semiclosed Cycles: Part A—With Oxygen-Blown Combustion
J. Eng. Gas Turbines Power (October,1999)
Hybrid Electric Propulsion
Mechanical Engineering (June,2020)
Related Chapters
Performance Testing of Combined Cycle Power Plant
Handbook for Cogeneration and Combined Cycle Power Plants, Second Edition
Outlook
Closed-Cycle Gas Turbines: Operating Experience and Future Potential
Hybrid Approach for Calculation of CO 2 Emissions in Manufacturing
International Conference on Mechanical Engineering and Technology (ICMET-London 2011)