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Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A005, June 7–11, 2021
Paper No: GT2021-58711
... Kapilavai Evendale, OH GE Research Niskayuna, NY ABSTRACT Keywords: LES, high-order, wall-resolved, turbine, Engineers performing computational simulations of flow turbulence, aircraft engine, HPC, unstructured grids, GPU physics are often faced with a trade-off between turn-around time and accuracy. High...
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
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59736 COMBINATION OF TURBOCHARGER AND INDUSTRIAL TECHNOLOGIES FOR THE DEVELOPMENT OF AN IMPROVED MIXED-FLOW TURBINE DESIGN Holger Franz1, Jens Niewöhner1, Stefan...
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A015, June 7–11, 2021
Paper No: GT2021-59535
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59535 STEAM TURBINE CASING ANALYSES TO DETERMINE PRESSURE AND TEMPERATURE LIMITS Paul T. Smith Daniel J. Griffin Elliott Group, Ebara Corp Design Automation...
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT28A009, June 7–11, 2021
Paper No: GT2021-60301
... operation range, and investigating rotordynamic issues. rotordynamics vibration stability turbine compressor rotor-bearing system Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60301 EFFECTIVE EVALUATION...
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A012, June 7–11, 2021
Paper No: GT2021-59418
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-59418 A METHOD OF SOLVING THREE TEMPERATURE PROBLEM OF TURBINE WITH ADIABATIC WALL TEMPERATURE Zeyu Wu, Xiang Luo, Jianqin Zhu, Zhe Zhang, Jiahua Liu School...
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A017, June 7–11, 2021
Paper No: GT2021-60326
...Abstract Abstract When developing a turbocharged internal combustion engine, the choice of turbocharger is usually based on designer experience and existing hardware. However, proper turbocharger design relies on matching the compressor and turbine performance to the engine requirements so...
Elisa Mela, Federico Fignino, Alessio Gabrielli, Paola Guarnone, Emanuele Porro, Rudolf Kellerer, Matthias Staempfli
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A006, June 7–11, 2021
Paper No: GT2021-59042
...Abstract Abstract The evolution of industrial gas turbines towards increased efficiency and performance requires even higher operating temperatures for the engines. In order to remain competitive in the market, OEM companies continuously need to develop maintenance programs and repair...
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A014, September 21–25, 2020
Paper No: GT2020-14605
... into a rather large capacity error. For most designs, the exchange rate between capacity and gauge angle is on the order of 3–5 percent, per degree exit angle. In a previous publication, a methodology and equations were presented to assess the exit flow in an axial turbine blade row by Mamaev in Russian...
Daniel da Silva Tonon, Jesuíno Takachi Tomita, Ezio Castejon Garcia, Cleverson Bringhenti, Rubén Bruno Díaz, Luiz Henrique Lindquist Whitacker
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T08A006, September 21–25, 2020
Paper No: GT2020-15004
...Abstract Abstract The aim of this work is the evaluation of different mesh types applied in turbomachines area, in this case in an axial turbine stage used in turbopumps (TP) applications. The tip clearance region was considered in this study because it has high influence in turbomachines...
Proc. ASME. GT2020, Volume 6: Education; Electric Power, V006T09A001, September 21–25, 2020
Paper No: GT2020-14217
... equipment are given. energy security digital twin turbine generator artificial neural network adaptive-predictive analysis IMPROVING THE SAFETY OF POWER PLANTS BY DEVELOPING A DIGITAL TWIN AND AN EXPERT SYSTEM FOR ADAPTIVE-PREDICTIVE ANALYSIS OF THE OPERABILITY OF GAS TURBINE UNITS Roman...
Simone Cubeda, Tommaso Bacci, Lorenzo Mazzei, Simone Salvadori, Bruno Facchini, Lorenzo Fiorineschi, Yary Volpe
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT11A001, September 21–25, 2020
Paper No: GT2020-14186
... Felice Matteucci 2, 50127 Firenze (FI), Italy firstname.lastname@example.org 2University of Florence, via di Santa Marta 3, 50139 Firenze (FI), Italy email@example.com ABSTRACT Modern industrial gas turbines typically employ lean- premix combustors, which can limit pollutant emissions thanks...
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A008, September 21–25, 2020
Paper No: GT2020-14276
...Abstract Abstract Experimental and numerical methods were used to investigate the aerodynamic effects of a near-casing streamwise incoming vortex flow on the tip leakage flow of different tip geometries in an unshrouded high pressure turbine. A flat tip, a cavity tip and a suction-side winglet...
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT26A001, September 21–25, 2020
Paper No: GT2020-14002
...Abstract Abstract Numerical modeling approaches have been developed for simulating shot peening processes and consideration of compressive residual stresses when performing strength calculations of turbine wheel joints. A three-stage method is presented to combine strength analyses of turbine...
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A020, September 21–25, 2020
Paper No: GT2020-14942
... at the middle section of the airfoil span and come into contact with the blade by the centrifugal force acting during rotation. Proposed damping mechanism is applied to a realistic steam turbine bladed disk under cyclic symmetric boundary conditions. Friction contact is modeled through a large number of contact...
Calogero Avola, Alberto Racca, Angelo Montanino, Carnell E. Williams, Alfonso Renella, Michele Belluscio
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A002, September 21–25, 2020
Paper No: GT2020-14302
...Abstract Abstract Maximization of the turbocharger efficiency is fundamental to the reduction of the internal combustion engine back-pressure. Specifically, in turbochargers with a variable geometry turbine (VGT), energy losses can be induced by the aerodynamic profile of both the nozzle vanes...
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A008, September 21–25, 2020
Paper No: GT2020-14556
...COMPETITIVE BIDDING BY SURROGATE MODELING OF STEAM PARAMETER INFLUENCE ON THE ATTAINABLE START NUMBERS OF TURBINE CASINGS Marcel Seiler1, Vitali Züch2, Peter Dumstorff1, Henning Almstedt1 1Siemens Energy, Inc., Mülheim an der Ruhr, Germany 2Chair for Wind Power Drives, Aachen, Germany ABSTRACT...
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 543-552, June 11–15, 2012
Paper No: GT2012-69397
... New combustion concepts towards lean burn aim at reducing peak temperatures and therefore emissions, especially nitrogen oxides. High swirl is required in order to enhance the mixing of fuel and air and thus, improve combustion and flame stability. In a numerical investigation of a turbine vane...
Alessandro Romagnoli, Colin Copeland, Ricardo Martinez-Botas, Srithar Rajoo, Martin Seiler, Aaron Costall
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1995-2007, June 6–10, 2011
Paper No: GT2011-45525
... Most boosting systems in internal combustion engines utilize ‘pulse turbocharging’ to maximize the energy extraction by the turbine. An internal combustion engine with more than four cylinders has a significant overlap between the exhaust pulses which, unless isolated, can decrease the overall...
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 495-506, June 14–18, 2010
Paper No: GT2010-23149
... the compressor is usually treated as adiabatic. This is not the case since the heat fluxes from both the turbine and the engine must be taken into account in the compression process. Tests at Imperial College enabled the heat fluxes on a turbocharger installed on a 2.0 litre diesel engine to be quantified...
Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 163-174, June 8–12, 2009
Paper No: GT2009-59618
... results allow the quantification of the temperatures within the turbocharger and revealed that a nonuniform temperature distribution exists on the compressor and turbine casings. This is partly attributed to the proximity of the turbocharger to the engine. This process plays a role on the deterioration...