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Keywords: optimization
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Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A007, June 7–11, 2021
Paper No: GT2021-58945
... if adopted in a structured approach to design optimization. In this paper, the application of the Combustor Design System Integration (DSI) to the definition of an optimal combustor preliminary configuration will be presented. Given a combustor baseline design, the multi-objective optimization problem has...
Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A004, June 7–11, 2021
Paper No: GT2021-58967
... machines that are expensive to manufacture and transport. With the increasingly lower CPU cost of fluid modeling, designers can now turn to CFD optimization to produce the necessary machine performance and flow conditions while respecting manufacturing constraints. The objective of this study...
Proceedings Papers

Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T10A001, June 7–11, 2021
Paper No: GT2021-58505
... by the fan volute and the point of operation as well. centrifugal fans optimization aerodynamics Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-58505 FEASIBILITY STUDY ON THE EFFECT OF BLADE INCLINATION...
Proceedings Papers

Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A035, June 7–11, 2021
Paper No: GT2021-59589
... hampered by the presence of many stages and many independent variables. For this reason, the problem was solved in several stages. A separate modernization of the first and rear groups of stages was performed. Moreover, methods of mathematical optimization were used when developing the rear block of 10...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A015, June 7–11, 2021
Paper No: GT2021-59682
...Abstract Abstract The article presents the results of solving the complex task of increasing the rotor wheel strength factor and the efficiency of the twin-shaft axial turbine of the small turboshaft engine using methods of multidisciplinary optimization. This turbine consists of a single-stage...
Proceedings Papers

Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A012, June 7–11, 2021
Paper No: GT2021-59736
... efficiency, a wide operating range is one of the major requirements concerning the turbine performance. During the development process of the radial turbine’s wheel, an automated optimization was used. Due to the competitive design targets, multiple objectives and constrains were formulated. To satisfy...
Proceedings Papers

Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A007, June 7–11, 2021
Paper No: GT2021-59194
... temperatures in a cement plant, two potential candidates, the supercritical CO 2 Brayton (S-CO 2 ) cycle or the Organic Rankine cycle (ORC), promises low capital cost and enhanced thermodynamic performance. The current study focuses on modelling and optimization of the S-CO 2 and ORC cycles for a 1 MTPA...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T16A005, June 7–11, 2021
Paper No: GT2021-59218
... of the ZEHTC micro-grid project consists in the use of a gas turbine — instead of a fuel cell — as system to reconvert the stored hydrogen. renewables optimization hydrogen storage smart grid calculation model Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition...
Proceedings Papers

Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A003, September 21–25, 2020
Paper No: GT2020-15070
... developers. Allam power cycle thermodynamic modeling optimization turbine inlet temperature ANALYTICAL FORMULATION OF THE PERFORMANCE OF THE ALLAM POWER CYCLE Yousef Haseli1 1 Clean Energy & Fuel Lab, Central Michigan University, Mt Pleasant, MI, USA ABSTRACT Thermal power plants operating...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A014, September 21–25, 2020
Paper No: GT2020-14900
... Abstract Current developmental level of computers and numerical methods of gas dynamics makes it possible to optimize compressors using 3D CFD models. Design variants for the compressor can be automatically generated that best suit all the design requirements and limitations. However...
Proceedings Papers

Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT38A024, September 21–25, 2020
Paper No: GT2020-15992
... Abstract The 3D aerodynamic design optimization has been applied in the generation of modern turbine blade profile. However, the traditional design method paid little attention to the decrease of heat transfer coefficients on the blade external surface. In the present work, a typical high load...
Proceedings Papers

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A050, September 21–25, 2020
Paper No: GT2020-16034
... Abstract The authors of the paper have developed and successfully tested a method for optimizing the air starter of a gas turbine engine, considering its joint operation with the auxiliary power unit. As a result, a way to increase the efficiency of the existing launch system during...
Proceedings Papers

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A021, September 21–25, 2020
Paper No: GT2020-15315
... on the impeller performance are investigated by an improved loss model. A full-surface parameterization control method is adopted for blade optimizations of the mixed-flow impeller and the tandem stator. As a retrofit design of the multistage axial compressor, an unconventional type of axial-co-mixed-flow...
Proceedings Papers

Proc. ASME. GT2020, Volume 7B: Heat Transfer, V07BT12A039, September 21–25, 2020
Paper No: GT2020-14989
... of the film cooling holes with the best cooling performance vary with the aerodynamic conditions. Optimization of film cooling hole geometry and arrangement has been paid much attention in recent years to improve the cooling performance. In this paper, a fan-shaped film cooling hole has been optimized...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A010, September 21–25, 2020
Paper No: GT2020-14293
... is studied through response surface method. And the Kriging-assisted genetic algorithm (GA) is applied to determine the optimal distributions of incidence and deviation in the streamwise direction for NASA Rotor 37. Finally, four examples are provided to validate the throughflow model and to demonstrate...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A012, September 21–25, 2020
Paper No: GT2020-14674
...” test facility at ETH Zurich. The 1 st stage was considered to create the flow history for the 2 nd stage, which was the target of the optimization. The hub cavity of the 2 nd stage was designed with large dimensions as a requirement of a steam turbine. The goal was to optimize the interaction...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A008, September 21–25, 2020
Paper No: GT2020-14465
... for an exemplary efficiency optimization of the “Colclough cascade”. In a first step, an automatic and robust blade design methodology for constant-channel blades based on the supersonic turbine blade design of Stratford and Sansome is shown. The blade flow is fully described by seven geometrical and three...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A049, September 21–25, 2020
Paper No: GT2020-15263
...-fidelity simulation can save a significant cost for a fleet of engines/aircraft. digital twin optimization manufacturing variation robust design BUILDING DIGITAL TWINS TO SIMULATE MANUFACTURING VARIATION Shahrokh Shahpar Rolls-Royce plc., Innovation Hub, Future Methods Derby, DE24 8BJ, United...
Proceedings Papers

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A016, September 21–25, 2020
Paper No: GT2020-14866
... a great effect on the stress-strain state, static strength, and dynamic characteristics of the blade. Here, the necessary optimization of both the axial orientation (the optimal value of which may differ from <001>) and the azimuthal orientation is confirmed. The problem was solved by considering...
Proceedings Papers

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A018, September 21–25, 2020
Paper No: GT2020-14884
... Abstract In Gas Turbine design key important role was to establish proper clearance between rotating and statoric parts during operating conditions which controls the performance, cooling flow requirements, part performance etc., These clearances must be optimized to meet product requirements...