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Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A014, June 7–11, 2021
Paper No: GT2021-59501
.... For this reason, it is necessary to develop a monitoring system capable of preventing surge and extending operating range of these machines, their performance, and reliability to allow the integration with the other plant components. The experimental investigation, carried out at the University of Genoa...
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A026, June 7–11, 2021
Paper No: GT2021-60014
... hole to a shaped hole, which suggests cooling performance is insensitive to specific shaped hole details provided the exterior coolant flow is well-attached. film cooling shaped holes showerhead heat transfer fluid mechanics experimental gas turbine engines Proceedings of ASME Turbo...
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A027, June 7–11, 2021
Paper No: GT2021-60015
...Abstract Abstract The effects that leading-edge impingement coolant feeds have on the external flowfield and on film cooling performance in the showerhead have not been studied thoroughly in the literature. To isolate the influence of the impingement feed, experimental adiabatic effectiveness...
Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Laurent Descamps, Maxime Rotenberg
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A007, June 7–11, 2021
Paper No: GT2021-59158
... arranged in a single row. The jets generated by such holes cool a flat target surface, which is replicated by a metal plate in the experimental setup. Measurements are performed using the steady-state technique, obtained by heating up the target plate thanks to an electrically heated Inconel foil applied...
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A005, June 7–11, 2021
Paper No: GT2021-58551
... are expected to decrease efficiency, whereas streamwise vorticity generation is expected to increase efficiency. axial compressor unsteady experimental shrouded hub corner separation secondary flow wake stretching Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference...
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A045, June 7–11, 2021
Paper No: GT2021-60325
... Proceedings of ASME Turbo Expo 2021 Turbomachinery Technical Conference and Exposition GT2021 June 7-11, 2021, Virtual, Online GT2021-60325 EXPERIMENTAL CHARACTERIZATION OF THE EVOLUTION OF GLOBAL FLOW STRUCTURE IN THE PASSAGE OF AN AXIAL COMPRESSOR Ayush Saraswat Subhra Shankha Koley Joseph Katz...
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A010, June 7–11, 2021
Paper No: GT2021-59175
... into a thin flat circular chamber and it finally is discharged in the center through a duct perpendicular to it. The experimental test rig has two nozzles placed in diametric position. This peculiar shape reproduces the geometry of a single gap between two discs of a Tesla turbine, a machine that potentially...
Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A051, September 21–25, 2020
Paper No: GT2020-16077
... of the fluid film bearings. Since a direct experimental identification of the rotor temperature of an automotive turbocharger is not feasible at an acceptable expense, a combination of numerical analysis and experimental identification is applied to investigate its temperature characteristic and level...
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A017, September 21–25, 2020
Paper No: GT2020-15174
... is generally limited with a by-pass system, reducing the mass flow rate provided by the machine. The results of a broad experimental investigation performed at the turbocharger test bench of the University of Genoa are reported to deeply analyze the behavior of a small centrifugal compressor. A specific...
Proc. ASME. GT2020, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A063, September 21–25, 2020
Paper No: GT2020-16238
.... experimental modelling emissions thermoacoustic burners design optimization EXPERIMENTAL AND NUMERICAL CHARACTERIZATION OF A NOVEL NATURAL GAS LOW NOX BURNER IN GAS TURBINE REALISTIC ENVIRONMENT Matteo Cerutti1, Pier Carlo Nassini2, Daniele Pampaloni2, Antonio Andreini2 1Baker Hughes, Florence, Italy...
Carlo Alberto Niccolini Marmont Du Haut Champ, Mario Luigi Ferrari, Paolo Silvestri, Aristide Fausto Massardo
Proc. ASME. GT2020, Volume 5: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage, V005T06A009, September 21–25, 2020
Paper No: GT2020-14795
...Abstract Abstract The present paper shows signal processing techniques applied to experimental data obtained from a T100 microturbine connected with different volume sizes. This experimental activity was conducted by means of the test rig developed at the University of Genoa for hybrid systems...
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A050, September 21–25, 2020
Paper No: GT2020-15374
... unsteady time-marching CFD model. The model was validated with experimental data obtained in a test rig which was designed and built specially for that research. The first crucial negative effect of the distorted inlet velocity profile is a variable incidence angle of the rotor. Both the CFD calculations...
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A014, September 21–25, 2020
Paper No: GT2020-14990
...Abstract Abstract This work presents an experimental and numerical investigation on the laminar-turbulent transition and secondary flow structures in a Turbine Rear Structure (TRS). The study was executed at engine representative Reynolds number and inlet conditions at three different turbine...
Proc. ASME. GT2013, Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V05AT23A002, June 3–7, 2013
Paper No: GT2013-94032
... 1 Copyright © 2013 by ASME GT2013-94032 Experimental Evaluation of Hydrodynamic Bearings for a High Speed Turbocharger Robley G. Kirk Virginia Polytechnic Institute and State University Blacksburg, VA, USA ABSTRACT Many high speed turbochargers are known to operate with limit cycle vibration...
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 main aim was to evaluate the heat transfer impact on the compressor efficiency. In addition to this a simplified 1-D model was then developed and validated with experimental measurements. Based on the data generated by the model, a correlation for the compressor non-adiabatic efficiency is presented...
Proc. ASME. GT2009, Volume 5: Microturbines and Small Turbomachinery; Oil and Gas Applications, 163-174, June 8–12, 2009
Paper No: GT2009-59618
... 23 02 2010 The processes occurring in turbo machinery applications are frequently treated as adiabatic. However, in a turbocharger significant heat transfer occurs, leading to a deficit of turbocharger performance. The overall objective of this experimental work is to improve...
Proc. ASME. GT2004, Volume 1: Turbo Expo 2004, 511-516, June 14–17, 2004
Paper No: GT2004-53790
... of a cylindrical combustor (in view of stationary and micro gas turbines). Guidelines are given for the start-up of this combustion system. The experimental study then assesses, for atmospheric conditions, the combined effect of the air-to-fuel ratio, wall temperature and jet velocity on combustion stability...
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 915-924, June 14–17, 2004
Paper No: GT2004-53778
... of the spatial harmonics with the period associated to the minimum elapsed time to recover the same relative positions of the rotor and stator rows. 25 11 2008 Multistage Compressor Experimental Interaction Deterministic Stresses Modal Analysis Proceedings of ASME Turbo Expo 2004 Power...