1-9 of 9
Keywords: low-pressure turbine
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles

On the Development of High-Lift, High-Work Low-Pressure Turbines

John P. Clark, Guillermo Paniagua, Beni Cukurel
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2024, 146(12): 121011.
Paper No: TURBO-23-1298
https://doi.org/10.1115/1.4066004
Published Online: August 6, 2024
...John P. Clark; Guillermo Paniagua; Beni Cukurel Here, we describe a combined design, numerical, and experimental program intended substantially to increase the lift and work of low-pressure turbine stages. This exercise is critically dependent upon the appropriate modeling of boundary-layer...
View Article titled, On the Development of High-Lift, High-Work <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbines</span>
Open the PDF for On the Development of High-Lift, High-Work <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbines</span> in another window
Topics: Airfoils, Blades, Cascades (Fluid dynamics), Design, Flow (Dynamics), Flow control, Pressure, Turbines, Reynolds number, Acoustics
Journal Articles

Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes

Giacomo Pastorino, Loris Simonassi, Gustavo Lopes, Elissavet Boufidi, Fabrizio Fontaneto, Sergio Lavagnoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2024, 146(7): 071002.
Paper No: TURBO-23-1305
https://doi.org/10.1115/1.4064369
Published Online: February 26, 2024
...Giacomo Pastorino; Loris Simonassi; Gustavo Lopes; Elissavet Boufidi; Fabrizio Fontaneto; Sergio Lavagnoli In the present work, hot-wire anemometry was employed for the characterization of the turbulent field at the inlet of a high-speed low-pressure turbine cascade, in terms of turbulence...
View Article titled, Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes
Open the PDF for Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes in another window
Topics: Calibration, Density, Flow (Dynamics), Fluctuations (Physics), Probes, Turbulence, Wire, Wakes, Cascades (Fluid dynamics), Pressure
Journal Articles

Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations

Zhihui Li, Loizos Christodoulou, Richard Jefferson-Loveday, Stephen Ambrose, Richard Jackson, Gary D. Lock, Carl M. Sangan, James A. Scobie
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2024, 146(6): 061004.
Paper No: TURBO-23-1161
https://doi.org/10.1115/1.4064224
Published Online: January 29, 2024
...Zhihui Li; Loizos Christodoulou; Richard Jefferson-Loveday; Stephen Ambrose; Richard Jackson; Gary D. Lock; Carl M. Sangan; James A. Scobie The windage torque on rotational walls has a negative effect on the performance of the low-pressure turbine. In this paper, three novel flow control concepts...
View Article titled, Windage Torque Reduction in <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Cavities Part I: Concept Design and Numerical Investigations
Open the PDF for Windage Torque Reduction in <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Cavities Part I: Concept Design and Numerical Investigations in another window
Topics: Cavities, Design, Flow (Dynamics), Flow control, Pressure, Torque, Turbines, Cavity flows
Journal Articles

Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades

Hidekazu Kodama, Ken-ichi Funazaki
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051013.
Paper No: TURBO-23-1274
https://doi.org/10.1115/1.4064318
Published Online: January 16, 2024
...Hidekazu Kodama; Ken-ichi Funazaki The present paper aims to experimentally investigate the influence of wake-passing frequency, Reynolds number, and suction surface diffusion rate on the additional loss due to incoming wakes to the profile loss in the low-pressure turbine (LPT) cascades...
View Article titled, Experimental Investigation of Additional Loss Associated With Incoming Wakes in <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Cascades
Open the PDF for Experimental Investigation of Additional Loss Associated With Incoming Wakes in <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Cascades in another window
Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Suction, Turbines, Wakes, Unsteady flow, Boundary layers
Journal Articles

Reynolds, Mach, and Freestream Turbulence Effects on the Flow in a Low-Pressure Turbine

Maxime Fiore, Nicolas Gourdain
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101009.
Paper No: TURBO-20-1393
https://doi.org/10.1115/1.4050919
Published Online: May 17, 2021
...Maxime Fiore; Nicolas Gourdain This article presents the large-eddy simulation (LES) of a low-pressure turbine (LPT) nozzle guide vane (NGV) for different Reynolds (Re) and Mach (Ma) numbers with or without inlet turbulence prescribed. The analysis is based on a slice of an LPT blading...
View Article titled, Reynolds, Mach, and Freestream Turbulence Effects on the Flow in a <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span>
Open the PDF for Reynolds, Mach, and Freestream Turbulence Effects on the Flow in a <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> in another window
Topics: Blades, Boundary layers, Flow (Dynamics), Pressure, Suction, Turbulence, Wakes, Turbines, Energy dissipation, Simulation
Journal Articles

Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions

Valentin Vikhorev, Valery Chernoray, Oskar Thulin, Srikanth Deshpande, Jonas Larsson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091012.
Paper No: TURBO-20-1372
https://doi.org/10.1115/1.4050451
Published Online: May 12, 2021
... is shown to have a noticeable upstream influence on the outlet flow from the low-pressure turbine and a noticeable downstream influence on the outlet flow from the TRS. References [1] Hjärne , J. , Larsson , J. , and Löfdahl , L. , 2006 , “ Performance and Off-Design Characteristics...
View Article titled, Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions
Open the PDF for Detailed Experimental Study of the Flow in a Turbine Rear Structure at Engine-Realistic Flow Conditions in another window
Topics: Design, Engines, Flow (Dynamics), Pressure, Turbines, Suction
Journal Articles

Impact of Varying High- and Low-Pressure Turbine Purge Flows on a Turbine Center Frame and Low-Pressure Turbine System

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, A. Peters, G. Maini, M. Dellacasagrande, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101011.
Paper No: TURBO-19-1258
https://doi.org/10.1115/1.4046452
Published Online: September 18, 2020
...P. Z. Sterzinger; S. Zerobin; F. Merli; L. Wiesinger; A. Peters; G. Maini; M. Dellacasagrande; F. Heitmeir; E. Göttlich This paper presents the experimental and numerical evaluation and comparison of the different flow fields downstream of a turbine center frame duct and a low-pressure turbine (LPT...
View Article titled, Impact of Varying High- and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Purge Flows on a Turbine Center Frame and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> System
Open the PDF for Impact of Varying High- and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> Purge Flows on a Turbine Center Frame and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> System in another window
Topics: Flow (Dynamics), Pressure, Turbines
Journal Articles

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, M. Dellacasagrande, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101012.
Paper No: TURBO-19-1259
https://doi.org/10.1115/1.4046453
Published Online: September 18, 2020
...P. Z. Sterzinger; S. Zerobin; F. Merli; L. Wiesinger; M. Dellacasagrande; A. Peters; G. Maini; F. Heitmeir; E. Göttlich This paper presents the unsteady flow interactions between an engine-representative high-pressure turbine (HPT) and low-pressure turbine (LPT) stage, connected by a turbine center...
View Article titled, Unsteady Flow Interactions Between a High- and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span>
Open the PDF for Unsteady Flow Interactions Between a High- and <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> in another window
Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Unsteady flow
Journal Articles

Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty Low-Pressure Turbine

Sara Biagiotti, Juri Bellucci, Michele Marconcini, Andrea Arnone, Gino Baldi, Mirko Ignesti, Vittorio Michelassi, Libero Tapinassi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2020, 142(1): 011006.
Paper No: TURBO-19-1160
https://doi.org/10.1115/1.4045348
Published Online: December 17, 2019
...Sara Biagiotti; Juri Bellucci; Michele Marconcini; Andrea Arnone; Gino Baldi; Mirko Ignesti; Vittorio Michelassi; Libero Tapinassi In this work, the effects of turbine center frame (TCF) wakes on the aeromechanical behavior of the downstream low-pressure turbine (LPT) blades are numerically...
View Article titled, Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span>
Open the PDF for Impact of Turbine Center Frame Wakes on Downstream Rows in Heavy-Duty <span class="search-highlight">Low</span>-<span class="search-highlight">Pressure</span> <span class="search-highlight">Turbine</span> in another window
Topics: Blades, Design, Pressure, Stress, Turbines, Wakes, Nozzle guide vanes, Computational fluid dynamics, Flow (Dynamics)