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Keywords: modeling
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Proceedings Papers

Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A011, June 13–17, 2022
Paper No: GT2022-81357
... concerning the loss coefficient measured in a large-scale cascade for a large variation of the Reynolds number, the reduced frequency, and the flow coefficient. Linear models have been educated accounting for the Occam’s razor parsimony criterion, condensing the effects due to the parameter variation in few...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A005, June 13–17, 2022
Paper No: GT2022-81964
... Abstract The majority of lifetime models associates the failure of thermal barrier coatings to an oxidation of the bond coat. A thickening of the thermally grown oxide leads to a conversion of stresses at the undulated ceramic-metal interface, supporting the propagation of existing micro cracks...
Proceedings Papers

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A017, June 13–17, 2022
Paper No: GT2022-81823
... Abstract Demand is constantly increasing for high-fidelity models that execute quickly. To increase the fidelity of aircraft engine simulations, low-fidelity thermodynamic models are often interfaced with high-fidelity models used for capturing 2D and 3D effects. Unfortunately, interfaces...
Proceedings Papers

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A022, June 13–17, 2022
Paper No: GT2022-83233
... Abstract Nonlinear gas path analysis (NGPA) is an important method for gas path fault diagnosis, and it is also the main technology for component performance estimation of gas turbine engines. However, the solution speed of the nonlinear gas path model is difficult to meet the time requirements...
Topics: Gas turbines
Proceedings Papers

Proc. ASME. GT2022, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A043, June 13–17, 2022
Paper No: GT2022-81654
... Abstract An improved primary atomization model for the jet-in-crossflow (JICF) atomization has been suggested and incorporated into the solver SprayFoam of OpenFOAM. The assumption of replacing jets with blobs, the maximum growth rate of the Kelvin-Helmholtz (K-H) wave, and its corresponding...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A021, June 13–17, 2022
Paper No: GT2022-83214
... milling blisk CAM digital twin process design optimisation manufacturing simulation modeling turbomachinery Abstract The manufacturing process of blade-integrated disks (blisks) represents one of the most challenging tasks in turbomachinery manufacturing. The requirement...
Proceedings Papers

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T16A003, June 13–17, 2022
Paper No: GT2022-80828
... for heating and cooling, hospitals using CHP systems are more energy-efficient, leading also to a reduction of the global emissions connected to the hospital activity. The present study involves the development of a numerical model of the gas turbine-based cogeneration system installed in a hospital facility...
Proceedings Papers

Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A020, June 7–11, 2021
Paper No: GT2021-58830
... ratios, whereas with increasing ammonia content the limit is decreasing. Furthermore, a model for the lean blowout limits were derived, which is able to predict the acquired experimental data with high accuracy. lean blowout hydrogen ammonia modeling Proceedings of ASME Turbo Expo 2021...
Proceedings Papers

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A038, June 7–11, 2021
Paper No: GT2021-59951
... SUBSCRIPTS A technique of representing and approximating of gas GTE gas turbine engine turbine engine (GTE) compressor maps is given. The aims of this study are to improve the efficiency of processing GTE test results ANN artificial neural network and the reliability of GTE mathematical model. CFD...
Proceedings Papers

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A015, June 7–11, 2021
Paper No: GT2021-60093
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60093 REACTION MODEL DEVELOPMENT OF SELECTED AROMATICS AS RELEVANT MOLECULES OF A KEROSENE SURROGATE THE IMPORTANCE OF M-XYLENE WITHIN THE COMBUSTION OF 1,3,5...
Proceedings Papers

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A012, June 7–11, 2021
Paper No: GT2021-59562
... digital environment exploration facilitated variation manufacturing variations modeling turbomachinery Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59562 KNOWLEDGE-BASED ADAPTATION OF PRODUCT AND PROCESS...
Proceedings Papers

Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T05A022, September 21–25, 2020
Paper No: GT2020-15641
...A COMPREHENSIVE MODELING OF CENTRIFUGAL COMPRESSOR VIBRATIONS FOR EARLY FAULT DETECTION François Libeyre, Francis Bainier, Pascal Alas GRTgaz, Paris, France ABSTRACT In the last decade, the development of machine connectivity has made possible early fault detection with remote analysis of operating...
Proceedings Papers

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A050, September 21–25, 2020
Paper No: GT2020-15374
...NUMERICAL MODELING AND DESIGN CHALLENGES OF BOUNDARY LAYER INGESTING FANS Adam Sieradzki1, Tomasz Kwiatkowski1, Mark Turner2, Borys ukasik1 1 ukasiewicz Research Network Institute of Aviation, Warsaw, Poland 2University of Cincinnati, Cincinnati, Ohio ABSTRACT Studies show that Boundary Layer...
Proceedings Papers

Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A003, September 21–25, 2020
Paper No: GT2020-14480
...Abstract Abstract For the reliable operation of modern gas turbines, Thermal Barrier Coatings (TBCs) need to withstand a wide range of ambient conditions resulting from impurities in inlet air or fuels. A novel deposition model has been developed that enables the prediction of deposition...
Proceedings Papers

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A018, September 21–25, 2020
Paper No: GT2020-15266
... a highlight of a recently developed sensor technology. All efforts serve the purpose to re-emphasize the importance of monitoring rotor torsional response to the industry. measurement torque response dynamic static modeling stress ROTOR TORSIONAL RESPONSE: A CRITICAL PARAMETER TO MEASURE...
Proceedings Papers

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A026, September 21–25, 2020
Paper No: GT2020-16097
... correlation of total pressure loss coefficient versus circumferential synergy angle could be perceived. Keywords: Turbines; Aerodynamics; Computational fluid dynamics (CFD); Modeling; Internal flow NOMENCLATURE c blade chord length, m DC designed condition Eu Euler number EXP experiment G mass flow rate, kg/s...
Proceedings Papers

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A013, September 21–25, 2020
Paper No: GT2020-14968
... momentum of the flow stream has been imposed in the tangential direction and then combined with the solution of the momentum equation in the radial direction. The model has been validated against measurements carried out on the test bench of the University of Genoa both in diabatic and adiabatic conditions...
Proceedings Papers

Proc. ASME. GT2013, Volume 2: Aircraft Engine; Coal, Biomass and Alternative Fuels; Cycle Innovations, V002T03A003, June 3–7, 2013
Paper No: GT2013-94178
..., Gasification, Modeling, IGCC Introduction Making substitute natural gas (SNG) from coal gets popular with the increasing price of natural gas and the increasing attention to CO2 mitigation. Typically, SNG is produced in a traditional chemical process-the SNG single production system [1-3], as shown in Figure 1...
Proceedings Papers

Proc. ASME. GT2008, Volume 2: Controls, Diagnostics and Instrumentation; Cycle Innovations; Electric Power, 451-461, June 9–13, 2008
Paper No: GT2008-50259
... Modeling Compressor Radial Equilibrium Equation Lean Angle Proceedings of ASME Turbo Expo 2008: Power for Land, Sea and Air GT2008 June 9-13, 2008, Berlin, Germany GT2008-50259 1 Copyright © 2008 by ASME Pericles Pilidis Cranfield University, School of Engineering Department of Power and Propulsion...
Proceedings Papers

Proc. ASME. GT2007, Volume 3: Turbo Expo 2007, 127-137, May 14–17, 2007
Paper No: GT2007-27284
... conditions, a two dimensional (2-D) Streamline Curvature (SLC) simulation method coupled with an extended parallel compressor model is used. SLC addresses the impact of the radial flow distortion, whereas the extended parallel compressor model examines the impact of circumferential flow distortion on engine...