Topics: Film cooling , Flow (Dynamics) , Heat transfer , Waves , Turbulence , Vortices , Discharge coefficient , Shapes , Temperature , Transients (Dynamics)

Loss Mechanism of Low-Pressure Turbine Secondary Flows Due to Different Incoming Boundary Layers

Jiangdong Hou, Chao Zhou

J. Eng. Gas Turbines Power. October 2020, 142(10): 101004. doi: https://doi.org/10.1115/1.4048339

Abstract

View articletitled, Loss Mechanism of Low-Pressure Turbine Secondary Flows Due to Different Incoming Boundary Layers

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Topics: Boundary layers , Energy dissipation , Flow (Dynamics) , Pressure , Turbines , Turbulence , Vortices , Blades , Cascades (Fluid dynamics) , Computational fluid dynamics

Development of Gasoline Direct Injection Engine for Improving Brake Thermal Efficiency Over 44%

Dongwon Jung, Byeongseok Lee, Jinwook Son, Soohyung Woo, Youngnam Kim

J. Eng. Gas Turbines Power. October 2020, 142(10): 101005. doi: https://doi.org/10.1115/1.4048152

Abstract

View articletitled, Development of Gasoline Direct Injection Engine for Improving Brake Thermal Efficiency Over 44%

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Topics: Brakes , Combustion , Compression , Engines , Exhaust gas recirculation , Flow (Dynamics) , Ignition , Stability , Stress , Thermal efficiency

Usage of Data Provenance Models in Collaborative Multidisciplinary Aero-Engine Design

Stanislaus Reitenbach, Maximilian Vieweg, Carsten Hollmann, Richard G. Becker

J. Eng. Gas Turbines Power. October 2020, 142(10): 101006. doi: https://doi.org/10.1115/1.4048436

Abstract

View articletitled, Usage of Data Provenance Models in Collaborative Multidisciplinary Aero-Engine Design

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Topics: Aircraft engines , Design , Workflow

Soot Emission Simulations of a Single Sector Model Combustor Using Incompletely Stirred Reactor Network Modeling

Savvas Gkantonas, Jenna M. Foale, Andrea Giusti, Epaminondas Mastorakos

J. Eng. Gas Turbines Power. October 2020, 142(10): 101007. doi: https://doi.org/10.1115/1.4048408

Abstract

View articletitled, Soot Emission Simulations of a Single Sector Model Combustor Using Incompletely Stirred Reactor Network Modeling

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Topics: Combustion chambers , Simulation , Soot , Ceramic matrix composites , Chemistry , Computational fluid dynamics , Modeling , Emissions , Computation

Tradeoff Assessments for Part Load Controlled Cooling Air in Stationary Gas Turbines

Dominik Woelki, Dieter Peitsch

J. Eng. Gas Turbines Power. October 2020, 142(10): 101008. doi: https://doi.org/10.1115/1.4048452

Abstract

View articletitled, Tradeoff Assessments for Part Load Controlled Cooling Air in Stationary Gas Turbines

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Topics: Blades , Combined cycles , Cooling , Corrosion , Creep , Emissions , Flow (Dynamics) , Gas turbines , Stress , Temperature

Experimental and Numerical Investigation on the Influence of Thermally Induced Stress Gradients on Fatigue Life of the Nickel-Base Alloy Mar-M247

Marcus Thiele, Stefan Eckmann, Min Huang, Uwe Gampe, Kathrin A. Fischer, Michael Schlesinger

J. Eng. Gas Turbines Power. October 2020, 142(10): 101009. doi: https://doi.org/10.1115/1.4047810

Abstract

View articletitled, Experimental and Numerical Investigation on the Influence of Thermally Induced Stress Gradients on Fatigue Life of the Nickel-Base Alloy Mar-M247

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Topics: Damage , Stress , Temperature , Temperature gradient , Low cycle fatigue , Deformation , Nickel , Fracture (Materials) , Alloys , Fatigue life

Effects of Fuel Staging on the Hydrodynamic Stability of Multinozzle Swirl Flows

Saarthak Gupta, Kiran Manoharan, Santosh Hemchandra

J. Eng. Gas Turbines Power. October 2020, 142(10): 101010. doi: https://doi.org/10.1115/1.4045017

Abstract

View articletitled, Effects of Fuel Staging on the Hydrodynamic Stability of Multinozzle Swirl Flows

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Topics: Flow (Dynamics) , Fuels , Nozzles , Density , Hydrodynamic stability , Oscillations , Combustion chambers

Analysis of Different Uniflow Scavenging Options for a Medium-Duty 2-Stroke Engine for a U.S. Light-Truck Application

J. W. G. Turner, R. A. Head, R. Wijetunge, J. Chang, N. Engineer, D. W. Blundell, P. Burke

J. Eng. Gas Turbines Power. October 2020, 142(10): 101011. doi: https://doi.org/10.1115/1.4046711

Abstract

View articletitled, Analysis of Different Uniflow Scavenging Options for a Medium-Duty 2-Stroke Engine for a U.S. Light-Truck Application

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Topics: Cylinders , Engines , Exhaust systems , Pistons , Two-stroke engines , Valves , Superchargers , Compression

Investigation of Multistage Combustion Inside a Heavy-Duty Natural-Gas Spark-Ignition Engine Using Three-Dimensional Computational Fluid Dynamics Simulations and the Wiebe-Function Combustion Model

Jinlong Liu, Cosmin E. Dumitrescu

J. Eng. Gas Turbines Power. October 2020, 142(10): 101012. doi: https://doi.org/10.1115/1.4045869

Abstract

View articletitled, Investigation of Multistage Combustion Inside a Heavy-Duty Natural-Gas Spark-Ignition Engine Using Three-Dimensional Computational Fluid Dynamics Simulations and the Wiebe-Function Combustion Model

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Topics: Combustion , Computational fluid dynamics , Simulation , Heat , Natural gas , Engines , Flames , Cylinders , Spark-ignition engine , Fuels

A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings

Rasool Koosha, Luis San Andrés

J. Eng. Gas Turbines Power. October 2020, 142(10): 101013. doi: https://doi.org/10.1115/1.4048458

Abstract

View articletitled, A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings

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Topics: Bearings , Friction , Plates (structures) , Pressure , Stress , Thrust bearings , Thrust , Fluid films , Film thickness , Computer software

Gas Turbines: Vehicular and Small Turbomachines

Model-Based Design and Optimization for Large Bore Engines: Some Industrial Case Studies

Prashant Srinivasan, Sanketh Bhat, Manthram Sivasubramaniam, Ravi Methekar, Maruthi Devarakonda, Chandan Kumar

J. Eng. Gas Turbines Power. October 2020, 142(10): 102801. doi: https://doi.org/10.1115/1.4047749

Abstract

View articletitled, Model-Based Design and Optimization for Large Bore Engines: Some Industrial Case Studies

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Topics: Design , Engines , Catalysts , Transients (Dynamics)

Technical Briefs

Examination of Predictive Flame Extinction Boundaries for Bluff Body Stabilized Flames at Elevated Temperature and Pressure Conditions

Candy Hernandez, Vincent McDonell

J. Eng. Gas Turbines Power. October 2020, 142(10): 104501. doi: https://doi.org/10.1115/1.4046705

Abstract

View articletitled, Examination of Predictive Flame Extinction Boundaries for Bluff Body Stabilized Flames at Elevated Temperature and Pressure Conditions

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Topics: Flames , Temperature , Turbulence , Pressure , Fuels , Methane

Discussions

Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 1: Measurement” (Song, J., Kim, S., Park, T. C., Cha, B.-J., Lim, D. H., Hong, J. S., Lee, T. W., and Song, S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111014)

Dara W. Childs

J. Eng. Gas Turbines Power. October 2020, 142(10): 105501. doi: https://doi.org/10.1115/1.4047370

Extract

View articletitled, Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 1: Measurement” (Song, J., Kim, S., Park, T. C., Cha, B.-J., Lim, D. H., Hong, J. S., Lee, T. W., and Song, S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111014)

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Topics: Compressors , Flow (Dynamics) , Gas turbines

Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 2: Analysis” (Song, J., and Song S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111015)

Dara W. Childs

J. Eng. Gas Turbines Power. October 2020, 142(10): 105502. doi: https://doi.org/10.1115/1.4047372

Extract

View articletitled, Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 2: Analysis” (Song, J., and Song S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111015)

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Topics: Compressors , Flow (Dynamics) , Gas turbines

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Loss Mechanism of Low-Pressure Turbine Secondary Flows Due to Different Incoming Boundary Layers

Development of Gasoline Direct Injection Engine for Improving Brake Thermal Efficiency Over 44%

Usage of Data Provenance Models in Collaborative Multidisciplinary Aero-Engine Design

Soot Emission Simulations of a Single Sector Model Combustor Using Incompletely Stirred Reactor Network Modeling

Tradeoff Assessments for Part Load Controlled Cooling Air in Stationary Gas Turbines

Experimental and Numerical Investigation on the Influence of Thermally Induced Stress Gradients on Fatigue Life of the Nickel-Base Alloy Mar-M247

Effects of Fuel Staging on the Hydrodynamic Stability of Multinozzle Swirl Flows

Analysis of Different Uniflow Scavenging Options for a Medium-Duty 2-Stroke Engine for a U.S. Light-Truck Application

Investigation of Multistage Combustion Inside a Heavy-Duty Natural-Gas Spark-Ignition Engine Using Three-Dimensional Computational Fluid Dynamics Simulations and the Wiebe-Function Combustion Model

A Computational Model for the Analysis of the Static Forced Performance of Self-Equalizing Tilting Pad Thrust Bearings

Gas Turbines: Vehicular and Small Turbomachines

Model-Based Design and Optimization for Large Bore Engines: Some Industrial Case Studies

Technical Briefs

Examination of Predictive Flame Extinction Boundaries for Bluff Body Stabilized Flames at Elevated Temperature and Pressure Conditions

Discussions

Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 1: Measurement” (Song, J., Kim, S., Park, T. C., Cha, B.-J., Lim, D. H., Hong, J. S., Lee, T. W., and Song, S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111014)

Discussion of “Non-Axisymmetric Flows and Rotordynamic Forces in an Eccentric Shrouded Centrifugal Compressor—Part 2: Analysis” (Song, J., and Song S. J., ASME J. Eng. Gas Turbines Power, 141(11), p. 111015)

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