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Journal Articles

A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases

Michela Massini, Robert J. Miller, Howard P. Hodson

J. Turbomach. October 2011, 133(4): 041022.

DOI: https://doi.org/10.1115/1.4002414

Published Online: April 26, 2011

... cooling engines heat conduction nozzles pressure measurement radiation stagnation flow temperature measurement thermocouples transducers valves Precise and reliable instruments for stagnation temperature and pressure measurements in the most hostile sections of the turbine are needed...

View Article titled, A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases

Topics: Calibration, Probes, Temperature, Engines, Nozzles, Pressure, Thermocouples, Errors, Flow (Dynamics), Valves

Journal Articles

Effects of Upstream Wake Phasing on Transonic Axial Compressor Performance

S. P. R. Nolan, B. B. Botros, C. S. Tan, J. J. Adamczyk, E. M. Greitzer, S. E. Gorrell

J. Turbomach. April 2011, 133(2): 021010.

DOI: https://doi.org/10.1115/1.4000572

Published Online: October 21, 2010

... 2010 21 10 2010 blades compressors flow instability rotors stagnation flow transonic flow vortices wakes The design of highly loaded, high Mach number (HLHM) compressors (i.e., compressors with supersonic relative Mach numbers in an embedded stage) presents challenges...

View Article titled, Effects of Upstream Wake Phasing on Transonic Axial Compressor Performance

Topics: Flow (Dynamics), Pressure, Rotors, Wakes, Blades, Vortices

Journal Articles

Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

A. C. Nix, T. E. Diller

J. Turbomach. April 2009, 131(2): 021015.

DOI: https://doi.org/10.1115/1.2950079

Published Online: January 29, 2009

... with the measured heat transfer augmentation. 30 07 2007 30 08 2007 29 01 2009 boundary layer turbulence heat transfer stagnation flow As engine manufacturers strive to raise turbine inlet air temperatures upwards to 3000 ° F ( 1650 ° C ) , they are limited...

View Article titled, Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

Topics: Cylinders, Heat flux, Heat transfer, Turbulence, Wire

Journal Articles

Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

M. D. Barringer, K. A. Thole, M. D. Polanka, J. P. Clark, P. J. Koch

J. Turbomach. April 2009, 131(2): 021010.

DOI: https://doi.org/10.1115/1.2950076

Published Online: January 23, 2009

... turbines stagnation flow turbulence The performance of gas turbine engines is highly dependent on the operation and durability of the hot section, which includes the combustor and high pressure turbine. The vanes and blades of the high pressure turbine must operate in a very harsh flow...

View Article titled, Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

Topics: Flow (Dynamics), Pressure, Turbines, Temperature, High pressure (Physics), Combustion chambers, Turbulence, Shapes

Journal Articles

Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

Brian M. Holley, Lee S. Langston

J. Turbomach. April 2008, 130(2): 021001.

DOI: https://doi.org/10.1115/1.2812328

Published Online: February 12, 2008

... laminar flow pressure measurement stagnation flow thermal resistance In a gas turbine, the leading edge of a turbine vane or blade withstands the highest gas path pressures and temperatures of any part of the airfoil surface. Detailed knowledge of the aerodynamics and heat transfer sustained...

View Article titled, Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

Topics: Airfoils, Boundary layers, Cascades (Fluid dynamics), Computational fluid dynamics, Flow (Dynamics), Heat transfer, Pressure, Pressure measurement, Skin friction (Fluid dynamics), Turbines

Journal Articles

Scaling of Guide Vane Coolant Profiles and the Reduction of a Simulated Hot Streak

Sean C. Jenkins, David G. Bogard

J. Turbomach. July 2007, 129(3): 619–627.

DOI: https://doi.org/10.1115/1.2447803

Published Online: August 8, 2006

... aerodynamics nozzles turbulence stagnation flow 09 03 2006 08 08 2006 2007 American Society of Mechanical Engineers ...

View Article titled, Scaling of Guide Vane Coolant Profiles and the Reduction of a Simulated Hot Streak

Topics: Coolants, Temperature, Pressure, Density, Suction

Journal Articles

The Effects of the Vane and Mainstream Turbulence Level on Hot Streak Attenuation

Sean C. Jenkins, David G. Bogard

J. Turbomach. January 2005, 127(1): 215–221.

DOI: https://doi.org/10.1115/1.1812777

Published Online: February 9, 2005

... layer turbulence stagnation flow wakes heat transfer 13 June 2004 01 October 2003 01 March 2004 09 02 2005 Contributed by the International Gas Turbine Institute (IGTI) of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL...

View Article titled, The Effects of the Vane and Mainstream Turbulence Level on Hot Streak Attenuation

Topics: Temperature, Turbulence, Wakes, Pressure, Temperature profiles, Suction

Journal Articles

Measurement and Prediction of Heat Transfer Distributions on an Aft-Loaded Vane Subjected to the Influence of Catalytic and Dry Low NO x Combustor Turbulence

F. E. Ames, M. Argenziano, C. Wang

J. Turbomach. January 2004, 126(1): 139–149.

DOI: https://doi.org/10.1115/1.1645867

Published Online: March 26, 2004

... computational fluid dynamics flow simulation stagnation flow nozzles heat exchangers Current approaches to achieving a low level of thermal NO x generation in gas turbine engines include both DLN and catalytic combustion systems. These strategies burn lean mixtures of fuel and air...

View Article titled, Measurement and Prediction of Heat Transfer Distributions on an Aft-Loaded Vane Subjected to the Influence of Catalytic and Dry Low NO x Combustor Turbulence

Topics: Combustion chambers, Heat transfer, Turbulence, Pressure, Reynolds number, Nitrogen oxides

Journal Articles

Measurements and Predictions of Heat Transfer on Rotor Blades in a Transonic Turbine Cascade

Paul W. Giel, Robert J. Boyle, Ronald S. Bunker

J. Turbomach. January 2004, 126(1): 110–121.

DOI: https://doi.org/10.1115/1.1643383

Published Online: March 26, 2004

... 26 03 2004 boundary layer turbulence vortices heat transfer rotors transonic flow Mach number thermal conductivity liquid crystals laminar to turbulent transitions stagnation flow aerodynamics computational fluid dynamics gas turbines Turbine blade aerodynamics...

View Article titled, Measurements and Predictions of Heat Transfer on Rotor Blades in a Transonic Turbine Cascade

Topics: Blades, Heat transfer, Pressure, Reynolds number, Turbulence, Flow (Dynamics), Cascades (Fluid dynamics)

Journal Articles

Leading-Edge Film-Cooling Physics—Part III: Diffused Hole Effectiveness

William D. York, James H. Leylek

J. Turbomach. April 2003, 125(2): 252–259.

DOI: https://doi.org/10.1115/1.1559899

Published Online: April 23, 2003

... No. 2002-GT-30520. Review Chair: E. Benvenuti. 03 June 2002 10 October 2001 23 04 2003 turbines aerodynamics cooling film flow flow simulation stagnation flow Navier-Stokes equations To achieve high cycle efficiency in modern gas turbine engines, the temperature...

View Article titled, Leading-Edge Film-Cooling Physics—Part III: Diffused Hole Effectiveness

Topics: Coolants, Diffusers, Film cooling, Heating, Physics, Simulation, Turbines, Flow (Dynamics), Cooling, Navier-Stokes equations

Journal Articles

Discussion: “Direct Method for Optimization of a Centrifugal Compressor Vaneless Diffuser” (Lee, Y.-T., Luo, L., and Bein, T. W., 2001, ASME J. Turbomach., 123 , pp. 73–79)

N. A. Cumpsty, Chief Technologist,

J. Turbomach. January 2001, 123(1): 79–80.

DOI: https://doi.org/10.1115/1.1324666

Published Online: January 1, 2001

...N. A. Cumpsty, Chief Technologist, compressors centrifuges optimisation fluid dynamics turbulence stagnation flow I found this an interesting and original paper. Although I do not pretend to understand the details of the optimization procedure, I am interested in the predictions...

View Article titled, Discussion: “Direct Method for Optimization of a Centrifugal Compressor Vaneless Diffuser” (Lee, Y.-T., Luo, L., and Bein, T. W., 2001, ASME J. Turbomach., 123 , pp. 73–79)

Topics: Compressors, Optimization, Vaneless diffusers, Fluid dynamics, Stagnation flow, Turbulence

Journal Articles

Closure to “Discussion of ‘Direction Method for Optimization of a Centrifugal Compressor Vaneless Diffuser’ ” (2000, ASME, J. Turbomach., 123 , p. 79)

Yu-Tai Lee,, Lin Luo, and, Thomas W. Bein

J. Turbomach. January 2001, 123(1): 80.

DOI: https://doi.org/10.1115/1.1333089

Published Online: January 1, 2001

...Yu-Tai Lee,; Lin Luo, and; Thomas W. Bein compressors centrifuges fluid dynamics optimisation turbulence stagnation flow The point made by Professor Cumpsty concerning the results related to the variation of the weighting coefficients shown in Fig. 7 is well taken. We found...

View Article titled, Closure to “Discussion of ‘Direction Method for Optimization of a Centrifugal Compressor Vaneless Diffuser’ ” (2000, ASME, J. Turbomach., 123 , p. 79)

Topics: Compressors, Optimization, Fluid dynamics, Stagnation flow, Turbulence

Journal Articles

Discussion: “On the Development and Application of the Fast-Response Aerodynamic Probe System in Turbomachines–Part 3: Comparison of Averaging Methods Applied to Centrifugal Compressor Measurements” [ASME J. Turbomach., 122 , No. 3, pp. 527–535 (2000)]

N. A. Cumpsty

J. Turbomach. July 2000, 122(3): 536.

DOI: https://doi.org/10.1115/1.1286205

Published Online: July 1, 2000

... hesitate to offer any criticism. Two of my comments refer to form rather than content. gas turbines measurement systems compressors probes flow control pressure sensors fluctuations stagnation flow 2000 ASME ...

View Article titled, Discussion: “On the Development and Application of the Fast-Response Aerodynamic Probe System in Turbomachines–Part 3: Comparison of Averaging Methods Applied to Centrifugal Compressor Measurements” [ASME J. Turbomach., 122 , No. 3, pp. 527–535 (2000)]

Topics: Compressors, Probes, Turbomachinery, Flow control, Fluctuations (Physics), Gas turbines, Measurement systems, Pressure sensors, Stagnation flow

Journal Articles

Local Heat Transfer and Flow Structure on and Above a Dimpled Surface in a Channel

G. I. Mahmood, Graduate Student, M. L. Hill, Graduate Student, D. L. Nelson, Graduate Student, P. M. Ligrani, Professor., H.-K. Moon, Consulting Engineer, B. Glezer, Head, Turbine Cooling and Heat Transfer Analysis

J. Turbomach. January 2001, 123(1): 115–123.

DOI: https://doi.org/10.1115/1.1333694

Published Online: February 1, 2000

... stagnation flow temperature measurement flow visualisation infrared spectra channel flow cooling To reduce or eliminate the need to employ film cooling, new attention has been devoted to internal cooling schemes for turbine airfoils. Internal schemes are advantageous in several respects...

View Article titled, Local Heat Transfer and Flow Structure on and Above a Dimpled Surface in a Channel

Topics: Flow (Dynamics), Flow visualization, Heat transfer, Pressure, Reynolds number, Temperature, Vortices, Fluids

Journal Articles

Mist/Steam Heat Transfer in Confined Slot Jet Impingement

X. Li, J. L. Gaddis, T. Wang

J. Turbomach. January 2001, 123(1): 161–167.

DOI: https://doi.org/10.1115/1.1331536

Published Online: February 1, 2000

... jets steam stagnation flow temperature control evaporation 08 May 2000 01 February 2000 Contributed by the International Gas Turbine Institute and presented at the 45th International Gas Turbine and Aeroengine Congress and Exhibition, Munich, Germany, May 8–11, 2000. Manuscript...

View Article titled, Mist/Steam Heat Transfer in Confined Slot Jet Impingement

Topics: Drops, Flow (Dynamics), Heat transfer, Steam, Cooling

Journal Articles

Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

G. James Van Fossen, Ronald S. Bunker

J. Turbomach. January 2001, 123(1): 140–146.

DOI: https://doi.org/10.1115/1.1330270

Published Online: February 1, 2000

.... Review Chair: D. Ballal. 08 May 2000 01 February 2000 gas turbines heat transfer stagnation flow combustion gas turbine power stations turbulence wind tunnels Firing temperatures of modern turbine engines often exceed the melting temperature of the downstream blade...

View Article titled, Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

Topics: Combustion chambers, Flow (Dynamics), Heat transfer, Turbulence, Wire, Probes

Journal citation

NARROW

A New Intermittent Aspirated Probe for the Measurement of Stagnation Quantities in High Temperature Gases

Effects of Upstream Wake Phasing on Transonic Axial Compressor Performance

Experiments on the Physical Mechanism of Heat Transfer Augmentation by Freestream Turbulence at a Cylinder Stagnation Point

Migration of Combustor Exit Profiles Through High Pressure Turbine Vanes

Analytical Modeling of Turbine Cascade Leading Edge Heat Transfer Using Skin Friction and Pressure Measurements

Scaling of Guide Vane Coolant Profiles and the Reduction of a Simulated Hot Streak

The Effects of the Vane and Mainstream Turbulence Level on Hot Streak Attenuation

Measurement and Prediction of Heat Transfer Distributions on an Aft-Loaded Vane Subjected to the Influence of Catalytic and Dry Low NO x Combustor Turbulence

Measurements and Predictions of Heat Transfer on Rotor Blades in a Transonic Turbine Cascade

Leading-Edge Film-Cooling Physics—Part III: Diffused Hole Effectiveness

Discussion: “Direct Method for Optimization of a Centrifugal Compressor Vaneless Diffuser” (Lee, Y.-T., Luo, L., and Bein, T. W., 2001, ASME J. Turbomach., 123 , pp. 73–79)

Closure to “Discussion of ‘Direction Method for Optimization of a Centrifugal Compressor Vaneless Diffuser’ ” (2000, ASME, J. Turbomach., 123 , p. 79)

Discussion: “On the Development and Application of the Fast-Response Aerodynamic Probe System in Turbomachines–Part 3: Comparison of Averaging Methods Applied to Centrifugal Compressor Measurements” [ASME J. Turbomach., 122 , No. 3, pp. 527–535 (2000)]

Local Heat Transfer and Flow Structure on and Above a Dimpled Surface in a Channel

Mist/Steam Heat Transfer in Confined Slot Jet Impingement

Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

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