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Keywords: optimization
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Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103632
... identification of the optimal cooling design extremely challenging. The application of mathematical optimization algorithms is key to automatically identifying the optimal design accompanied with enormous potential to significantly reducing development time. In the present study, the cooling mass flow rate...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101938
... representation of the Rotor 37 is created to build training dataset from which the machine learning model is trained. After the training, the model predicts machine performance parameters in a few seconds. Then, this AI model is used in an optimization process to improve Rotor 37 performance and an increase...
Proceedings Papers

Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103069
... Abstract In the present study, the chemical kinetic mechanism DLR SynNG for the combustion of syngas and natural gas is optimized with various experimental data points with a focus on low temperature chemistry. For the optimization approach, the framework of the linear transformation model...
Proceedings Papers

Proc. ASME. GT2023, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102982
... (hydrodynamically and thermally), with a high degree of periodicity. In contrast, gas turbines are designed to operate with relatively small velocity and temperature fluctuations at the inlet. The objective of the current work is to optimize and study the impact of area profiling in an annular RDE configuration...
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101983
... Abstract The performance of high temperature heat pumps is highly dependent on the efficiency of its main components, which need to be optimally matched especially in closed cycles. The design process is therefore a challenging task as many disciplines and varying modeling depths need...
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A030, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103863
... Abstract This study aims to illustrate a sequence that optimizes the flight-path trajectory for a hybrid-electric propulsion system at mission level, in addition to identifying the respective optimum power management strategy. An in-house framework for hybrid-electric propulsion system modeling...
Proceedings Papers

Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A021, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102896
.... In such a situation, in order to properly manage these crucial technologies, and thus guarantee the economic viability of the operation, it is essential to properly optimize the dispatch and define the best scheduling. This paper considers a Gas Turbine Combined Cycle and Battery Energy Storage to study the problem...
Proceedings Papers

Proc. ASME. GT2023, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T07A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103869
.... The “Process Optimization” course at Mälardalen University is reformed to operate in a digitally enhanced classroom mode. The course covers a variety of optimization methods applied on thermal and fluid machinery such as systems of compressors, pumps and heat exchangers, heat and power plants, aircraft...
Proceedings Papers

Proc. ASME. GT2023, Volume 7A: Heat Transfer — Combustors; Film Cooling, V07AT12A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101923
... of the solid material composing the blade. As of today it is now known that the hole geometry is a key element which determines the thermal efficiency of film cooling. Their designs for optimal holes operating at conditions of high-pressure turbines are however a challenge for which several research groups...
Proceedings Papers

Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A018, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102054
... compressor performance map machine learning artificial neural network compressor vanes’ angles optimization Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-102054 AXIAL COMPRESSOR MAP GENERATION...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103013
.... centrifugal compressor one-dimensional mean-line performance prediction loss correlation optimization Proceedings of ASME Turbo Expo 2023 Turbomachinery Technical Conference and Exposition GT2023 June 26-30, 2023, Boston, Massachusetts, USA GT2023-103013 EMPIRICAL LOSS MODEL OPTIMIZATION...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A003, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100888
.... Determining an optimal hole design is costly and time-consuming if approached with standard experimental trial-and-error techniques. Numerical tools can aide in optimization studies, but for complex transient flows requiring scale-resolving methods, simple optimization methodologies require thousands...
Proceedings Papers

Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101835
... Abstract This study aims to optimize the impeller geometry of a backward-curved blade centrifugal fan in a helicopter oil cooler to improve the aerodynamic performance of the impeller. The study consists of three main parts: aerodynamic design and parametrization of the impeller, numerical...
Proceedings Papers

Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101012
... Abstract Corner separation is a major phenomenon limiting the operability of aeronautical compressors. Passive control devices such as guide fins are envisioned to reduce its deleterious effects. In this paper, guide fins are optimized to reduce the total pressure losses downstream...
Proceedings Papers

Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A015, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102562
... operation. In fact, to achieve higher levels of efficiency, bearings must support higher specific loads and higher peripheral speeds. Furthermore, there is great interest in reducing the oil flowrate required for the bearing operation as much as possible. In this work, an optimization strategy for reducing...
Proceedings Papers

Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT25A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104043
... the observed data. Among the proposed algorithms, genetic programming (GP) based symbolic regression (SR) plays a dominant role. Here, we build a general GP based SR platform to discover physical models from observations for real-world systems. The platform is used to solve an optimization problem where...
Proceedings Papers

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT34A007, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-80876
... Abstract The optimal design of the turbomachinery field can produce the best results when considering multiple fields (e.g., structural vibration, aerodynamic, and aeroelasticity). Since multi-disciplinary phenomena are very complex and nonlinear, a higher level of optimization is needed...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A009, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81215
... Abstract The paper describes the study performed by SoftInWay in the scope of the Phase I SBIR project funded by NASA. The project was dedicated to a study of optimization of the variable geometry reset angle schedules with the use of innovative autonomous AI technology. In the scope...
Proceedings Papers

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A017, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81785
..., but it introduces a high variability of performance due to the syngas composition fluctuations. For this reason, this work pursues the aim of realizing a robust system optimization, necessary to obtain the best design and ensure high efficiency combined with low variability. To do this, a co-flow, planar, anode...
Proceedings Papers

Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T06A036, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84037
... Abstract The present study deals with the optimization of performance for a hybrid-electric propulsion system. It focuses on the modeling and power management frameworks, while evaluation is done on a single flight basis. The main objective is to extract the maximum out of the novel powertrain...