Topics: Design , Flow (Dynamics) , Fluid dynamics , Pressure , Simulation , Turbines , Turbulence , Viscosity , Navier-Stokes equations , Boundary layers

Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part I: Influence of Nonuniformity Location

A. Perdichizzi, H. Abdeh, G. Barigozzi, M. Henze, J. Krueckels

J. Turbomach. March 2017, 139(3): 031002. doi: https://doi.org/10.1115/1.4034816

Abstract

View articletitled, Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part I: Influence of Nonuniformity Location

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Topics: Flow (Dynamics) , Cascades (Fluid dynamics) , Nozzles

The Dissipation Function-Based Efficiency for Turbomachinery—Part I: The Efficiency of a Cooled Turbine Row

Chong M. Cha

J. Turbomach. March 2017, 139(3): 031003. doi: https://doi.org/10.1115/1.4034683

Abstract

View articletitled, The Dissipation Function-Based Efficiency for Turbomachinery—Part I: The Efficiency of a Cooled Turbine Row

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Topics: Coolants , Energy dissipation , Temperature , Turbines , Cooling , Pressure , Chemical reactions , Kinetic energy

Effect of In-Hole Roughness on Film Cooling From a Shaped Hole

Robert P. Schroeder, Karen A. Thole

J. Turbomach. March 2017, 139(3): 031004. doi: https://doi.org/10.1115/1.4034847

Abstract

View articletitled, Effect of In-Hole Roughness on Film Cooling From a Shaped Hole

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Topics: Surface roughness

Effect of Rotation on a Gas Turbine Blade Internal Cooling System: Numerical Investigation

E. Burberi, D. Massini, L. Cocchi, L. Mazzei, A. Andreini, B. Facchini

J. Turbomach. March 2017, 139(3): 031005. doi: https://doi.org/10.1115/1.4034799

Abstract

View articletitled, Effect of Rotation on a Gas Turbine Blade Internal Cooling System: Numerical Investigation

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Topics: Blades , Cooling systems , Eddies (Fluid dynamics) , Flow (Dynamics) , Gas turbines , Heat transfer , Reynolds-averaged Navier–Stokes equations , Rotation , Simulation , Turbulence

Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition

D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini

J. Turbomach. March 2017, 139(3): 031006. doi: https://doi.org/10.1115/1.4034917

Abstract

View articletitled, Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition

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Topics: Bubbles , Dynamics (Mechanics) , Eigenvalues , Flow (Dynamics) , Fluctuations (Physics) , Principal component analysis , Separation (Technology) , Shear (Mechanics) , Wavelength , Boundary layers

Loss Mechanisms of Interplatform Steps in a 1.5-Stage Axial Flow Turbine

Robert Kluxen, Stephan Behre, Peter Jeschke, Yavuz Guendogdu

J. Turbomach. March 2017, 139(3): 031007. doi: https://doi.org/10.1115/1.4034848

Abstract

View articletitled, Loss Mechanisms of Interplatform Steps in a 1.5-Stage Axial Flow Turbine

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Topics: Entropy , Flow (Dynamics) , Turbines , Pressure , Design , Geometry , Suction , Fitness-for-service , Blades , Boundary layers

Reduction in Flow Parameter Resulting From Volcanic Ash Deposition in Engine Representative Cooling Passages

Sebastien Wylie, Alexander Bucknell, Peter Forsyth, Matthew McGilvray, David R. H. Gillespie

J. Turbomach. March 2017, 139(3): 031008. doi: https://doi.org/10.1115/1.4034939

Abstract

View articletitled, Reduction in Flow Parameter Resulting From Volcanic Ash Deposition in Engine Representative Cooling Passages

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Topics: Coolants , Cooling , Flow (Dynamics) , Particulate matter , Temperature , Metals , Engines , Pressure , Geometry , Reynolds number

Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low-Reduced Frequency—Part I: Theoretical Support

Roque Corral, Almudena Vega

J. Turbomach. March 2017, 139(3): 031009. doi: https://doi.org/10.1115/1.4034976

Abstract

View articletitled, Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low-Reduced Frequency—Part I: Theoretical Support

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Topics: Airfoils , Flow (Dynamics) , Boundary-value problems , Cycles , Torsion

Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low Reduced Frequency—Part II: Numerical Verification

Almudena Vega, Roque Corral

J. Turbomach. March 2017, 139(3): 031010. doi: https://doi.org/10.1115/1.4034978

Abstract

View articletitled, Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low Reduced Frequency—Part II: Numerical Verification

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Topics: Airfoils , Cycles , Damping , Design , Mode shapes , Mach number , Pressure , Flutter (Aerodynamics)

Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

Philipp Jenny, Yves Bidaut

J. Turbomach. March 2017, 139(3): 031011. doi: https://doi.org/10.1115/1.4034984

Abstract

View articletitled, Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

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Topics: Blades , Impellers , Inlet guide vanes , Pressure , Stress , Compression , Resonance , Compressors , Strain gages , Pressure transducers

Turbine Blade Platform Film Cooling With Simulated Swirl Purge Flow and Slashface Leakage Conditions

Andrew F Chen, Chao-Cheng Shiau, Je-Chin Han

J. Turbomach. March 2017, 139(3): 031012. doi: https://doi.org/10.1115/1.4034985

Abstract

View articletitled, Turbine Blade Platform Film Cooling With Simulated Swirl Purge Flow and Slashface Leakage Conditions

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Topics: Coolants , Density , Film cooling , Flow (Dynamics) , Blades , Pressure

Numerical Simulation of Particulates in Multistage Axial Compressors

Swati Saxena, Giridhar Jothiprasad, Corey Bourassa, Byron Pritchard

J. Turbomach. March 2017, 139(3): 031013. doi: https://doi.org/10.1115/1.4034982

Abstract

View articletitled, Numerical Simulation of Particulates in Multistage Axial Compressors

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Topics: Compressors , Particulate matter , Flow (Dynamics)

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MULTI-AEROELASTIC PHENOMENA MODELLING PART I: THE DEVELOPMENT OF WHOLE LPC MODEL FOR CIVIL TURBOFAN ENGINE

J. Turbomach

EFFECTS OF LOCALIZED NON-GAUSSIAN ROUGHNESS ON HIGH PRESSURE TURBINE AERO-THERMAL PERFORMANCE: CONVECTIVE HEAT TRANSFER, SKIN-FRICTION AND THE REYNOLDS' ANALOGY

J. Turbomach

EXPERIMENTAL AND NUMERICAL COMPARISON OF TWO TURBINE VANE FRAME DESIGNS

J. Turbomach

Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages

J. Turbomach

Advanced methods for assessing flow physics of the TU Darmstadt compressor stage: Uncertainty quantification of RANS turbulence modeling

J. Turbomach

Research Papers

Unsteady Adjoint of Pressure Loss for a Fundamental Transonic Turbine Vane

Aerothermal Performance of a Nozzle Vane Cascade With a Generic Nonuniform Inlet Flow Condition—Part I: Influence of Nonuniformity Location

The Dissipation Function-Based Efficiency for Turbomachinery—Part I: The Efficiency of a Cooled Turbine Row

Effect of In-Hole Roughness on Film Cooling From a Shaped Hole

Effect of Rotation on a Gas Turbine Blade Internal Cooling System: Numerical Investigation

Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition

Loss Mechanisms of Interplatform Steps in a 1.5-Stage Axial Flow Turbine

Reduction in Flow Parameter Resulting From Volcanic Ash Deposition in Engine Representative Cooling Passages

Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low-Reduced Frequency—Part I: Theoretical Support

Quantification of the Influence of Unsteady Aerodynamic Loading on the Damping Characteristics of Airfoils Oscillating at Low Reduced Frequency—Part II: Numerical Verification

Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

Turbine Blade Platform Film Cooling With Simulated Swirl Purge Flow and Slashface Leakage Conditions

Numerical Simulation of Particulates in Multistage Axial Compressors

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