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Proceedings Papers

On the Use of Periodic Boundary Condition for Large Eddy Simulation of Trailing Edge Cutback Film Cooling With Internal Ribs

Pierre Aillaud, Florent Duchaine, Laurent Gicquel, Charlie Koupper
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A011, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75801
https://doi.org/10.1115/GT2018-75801
View Paper titled, On the Use of Periodic Boundary Condition for Large Eddy Simulation of Trailing Edge Cutback Film Cooling With Internal Ribs
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Topics: Boundary-value problems, Film cooling, Large eddy simulation, Cooling, Flow (Dynamics), Jets, Pressure, Reynolds-averaged Navier–Stokes equations, Stiffness, Blades
Proceedings Papers

Experimental and Numerical Analysis of Additively Manufactured Coupons With Parallel Channels and Inline Wall Jets

Sarwesh Narayan Parbat, Li Yang, Zheng Min, Minking K. Chyu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT16A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77000
https://doi.org/10.1115/GT2018-77000
View Paper titled, Experimental and Numerical Analysis of Additively Manufactured Coupons With Parallel Channels and Inline Wall Jets
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Topics: Additive manufacturing, Jets, Numerical analysis, Heat transfer, Cooling, Gas turbines, Separation (Technology), Coolants, Design, Flow (Dynamics)
Proceedings Papers

Enhanced Heat Transfer and Thermal Performance of a Blade With Tree-Shaped Film Cooling Channels

Guohua Zhang, Gongnan Xie, Bengt Sundén
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT12A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75918
https://doi.org/10.1115/GT2018-75918
View Paper titled, Enhanced Heat Transfer and Thermal Performance of a Blade With Tree-Shaped Film Cooling Channels
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Topics: Blades, Film cooling, Heat transfer, Computer simulation, Metals, Temperature, Bifurcation, Boundary-value problems, Gas turbines, Turbine blades
Proceedings Papers

Adjoint Method to Calculate the Shape Gradients of Failure Probabilities for Turbomachinery Components

Hanno Gottschalk, Mohamed Saadi, Onur Tanil Doganay, Kathrin Klamroth, Sebastian Schmitz
Proc. ASME. GT2018, Volume 7A: Structures and Dynamics, V07AT32A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75759
https://doi.org/10.1115/GT2018-75759
View Paper titled, Adjoint Method to Calculate the Shape Gradients of Failure Probabilities for Turbomachinery Components
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Topics: Failure, Probability, Shapes, Turbomachinery, Finite element analysis, Computation, Optimization, Boundary-value problems, Fluids, Geometry
Proceedings Papers

Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove

Thomas Hagemann, Hubert Schwarze
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A021, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75659
https://doi.org/10.1115/GT2018-75659
View Paper titled, Theoretical and Experimental Analyses of Directly Lubricated Tilting-Pad Journal Bearings With Leading Edge Groove
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Topics: Experimental analysis, Journal bearings, Bearings, Design, Flow (Dynamics), Stress, Lubrication, Bearing design, Boundary-value problems, Clearances (Engineering)
Proceedings Papers

An Investigation on the Loss Generation Mechanisms Inside Different Centrifugal Compressor Volutes for Turbochargers

Andrea Tanganelli, Francesco Balduzzi, Alessandro Bianchini, Giovanni Ferrara, Francesco Cencherle, Michele De Luca, Luca Marmorini
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A020, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76694
https://doi.org/10.1115/GT2018-76694
View Paper titled, An Investigation on the Loss Generation Mechanisms Inside Different Centrifugal Compressor Volutes for Turbochargers
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Topics: Compressors, Turbochargers, Flow (Dynamics), Design, Diffusers, Entropy, Pressure, Boundary-value problems, Computer simulation, Fluids
Proceedings Papers

Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition

Tadashi Tanuma, Michio Ogawa, Hiroshi Okuda, Gaku Hashimoto, Naoki Shibukawa, Kenichi Okuno, Tomohiko Tsukuda
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A028, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76498
https://doi.org/10.1115/GT2018-76498
View Paper titled, Unsteady Flow Effects on Steam Turbine Last Stage Blades at Very Low Load Operating Condition
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Topics: Blades, Steam turbines, Stress, Unsteady flow, Structural analysis, Boundary-value problems, Annulus, Design, Pressure, Vibration
Proceedings Papers

Numerical Investigation of Spray Development in a Micro Gas Turbine LPP Combustor With Airblast Atomizer

Gianluca Annunziata, Maria Cristina Cameretti, Roberta De Robbio, Raffaele Tuccillo
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75789
https://doi.org/10.1115/GT2018-75789
View Paper titled, Numerical Investigation of Spray Development in a Micro Gas Turbine LPP Combustor With Airblast Atomizer
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Topics: Combustion chambers, Micro gas turbines, Sprays, Fuels, Combustion, Flow (Dynamics), Air flow, Biofuel, Boundary-value problems, Computational fluid dynamics
Proceedings Papers

Numerical Study on Deformation of Gland Seal Housing at LP Ends on a Nuclear Steam Turbine

Yanan Guo, Danmei Xie, Xiangjun Huang, Huabing Zheng, Ziyue Mei, Hengliang Zhang
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A023, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76277
https://doi.org/10.1115/GT2018-76277
View Paper titled, Numerical Study on Deformation of Gland Seal Housing at LP Ends on a Nuclear Steam Turbine
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Topics: Deformation, Steam turbines, Accidents, Boundary-value problems, Clearances (Engineering), Computer software, Finite element analysis, Geometry, Nuclear power stations, Rotation
Proceedings Papers

Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling

Yang Zhang, Tomasz Duda, James A. Scobie, Carl M. Sangan, Colin D. Copeland, Alex Redwood
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A013, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76378
https://doi.org/10.1115/GT2018-76378
View Paper titled, Design of an Air-Cooled Radial Turbine: Part 1 — Computational Modelling
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Topics: Design, Modeling, Turbine components, Turbines, Coolants, Rotors, Temperature, Blades, Computer simulation, Cooling
Proceedings Papers

The Pressure Field at the Output From a Low Pressure Exhaust Hood and Condenser Neck of the 1090 MW Steam Turbine: Experimental and Numerical Research

Michal Hoznedl, Antonín Živný, Aleš Macálka, Robert Kalista, Kamil Sedlák, Lukáš Bednář, Ladislav Tajč
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75248
https://doi.org/10.1115/GT2018-75248
View Paper titled, The Pressure Field at the Output From a Low Pressure Exhaust Hood and Condenser Neck of the 1090 MW Steam Turbine: Experimental and Numerical Research
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Topics: Condensers (steam plant), Exhaust systems, Pressure, Steam turbines, Flow (Dynamics), Blades, Boundary-value problems, Computation, Computational fluid dynamics, Cooling
Proceedings Papers

Double Scroll Turbine for Automotive Applications: Engine Operating Point Versus Dynamic Blade Stress From Forced Response Vibration

David Hemberger, Roberto De Santis, Dietmar Filsinger
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A017, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76590
https://doi.org/10.1115/GT2018-76590
View Paper titled, Double Scroll Turbine for Automotive Applications: Engine Operating Point Versus Dynamic Blade Stress From Forced Response Vibration
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Topics: Automotive industry, Blades, Engines, Stress, Turbines, Vibration, Excitation, Exhaust systems, Flow (Dynamics), Combustion
Proceedings Papers

Steam Flow and Heat Transfer in the Intermediate Pressure Cylinder of the Ultra-Supercritical Steam Turbine

Chong Sun, Daiwei Zhou, Xiaocheng Zhu, Zhaohui Du
Proc. ASME. GT2018, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A012, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75343
https://doi.org/10.1115/GT2018-75343
View Paper titled, Steam Flow and Heat Transfer in the Intermediate Pressure Cylinder of the Ultra-Supercritical Steam Turbine
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Topics: Cylinders, Flow (Dynamics), Heat transfer, Pressure, Steam, Steam turbines, Cooling, Heat transfer coefficients, Turbulence, Boundary-value problems
Proceedings Papers

The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part A — An Optimized Turbulent Boundary-Condition

Christoph Müller-Schindewolffs, Florian Herbst
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75162
https://doi.org/10.1115/GT2018-75162
View Paper titled, The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part A — An Optimized Turbulent Boundary-Condition
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Topics: Aerodynamics, Boundary-value problems, Pressure, Turbines, Turbulence, Inflow, Simulation, Acoustics, Cascades (Fluid dynamics), Compressible flow
Proceedings Papers

Unsteady Responses of the Impeller of a Centrifugal Compressor Exposed to Pulsating Backpressure

Mengying Shu, Mingyang Yang, Ricardo F. Martinez-Botas, Kangyao Deng, Lei Shi
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A024, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76851
https://doi.org/10.1115/GT2018-76851
View Paper titled, Unsteady Responses of the Impeller of a Centrifugal Compressor Exposed to Pulsating Backpressure
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Topics: Compressors, Impellers, Flow (Dynamics), Engines, Simulation, Turbochargers, Airfoils, Boundary-value problems, Computational fluid dynamics, Cylinders
Proceedings Papers

The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part B — Scale Resolving Simulations

Felix Schwarzbach, Christoph Müller-Schindewolffs, Christoph Bode, Florian Herbst
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75163
https://doi.org/10.1115/GT2018-75163
View Paper titled, The Effect of Turbulent Scales on Low-Pressure Turbine Aerodynamics: Part B — Scale Resolving Simulations
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Topics: Aerodynamics, Engineering simulation, Pressure, Simulation, Turbines, Turbulence, Boundary layers, Cascades (Fluid dynamics), Boundary-value problems, Eddies (Fluid dynamics)
Proceedings Papers

Unsteady Turbomachinery Simulations Using Harmonic Balance on a Discontinuous Galerkin Discretization

Mayank Sharma, Nathan A. Wukie, Matteo Ugolotti, Mark G. Turner
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A054, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77204
https://doi.org/10.1115/GT2018-77204
View Paper titled, Unsteady Turbomachinery Simulations Using Harmonic Balance on a Discontinuous Galerkin Discretization
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Topics: Engineering simulation, Simulation, Turbomachinery, Turbine blades, Boundary-value problems, Flow (Dynamics), Fourier transforms, Geometry
Proceedings Papers

Large-Eddy and RANS Simulations of Heat Transfer in a U-Duct With a High-Aspect Ratio Trapezoidal Cross Section

Kenny S.-Y. Hu, Tom I-P. Shih
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A005, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75535
https://doi.org/10.1115/GT2018-75535
View Paper titled, Large-Eddy and RANS Simulations of Heat Transfer in a U-Duct With a High-Aspect Ratio Trapezoidal Cross Section
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Topics: Ducts, Eddies (Fluid dynamics), Heat transfer, Reynolds-averaged Navier–Stokes equations, Simulation, Flow (Dynamics), Stress, Turbulence, Unsteady flow, Boundary-value problems
Proceedings Papers

Robust Fluid Topology Optimization Using Polynomial Chaos Expansions: TOffee

A. Gaymann, F. Montomoli, M. Pietropaoli
Proc. ASME. GT2018, Volume 2D: Turbomachinery, V02DT46A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75761
https://doi.org/10.1115/GT2018-75761
View Paper titled, Robust Fluid Topology Optimization Using Polynomial Chaos Expansions: TOffee
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Topics: Chaos, Fluids, Optimization, Polynomials, Topology, Boundary-value problems, Gas turbines, Geometry, Additive manufacturing, Engineering simulation
Proceedings Papers

The Counteractive Flow and Heat Transfer in a Narrow Straight Channel With Sidewall Bleeding Slots

Lu Qiu, Yanan Chen, Hongwu Deng, Jianqin Zhu
Proc. ASME. GT2018, Volume 5A: Heat Transfer, V05AT11A006, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75606
https://doi.org/10.1115/GT2018-75606
View Paper titled, The Counteractive Flow and Heat Transfer in a Narrow Straight Channel With Sidewall Bleeding Slots
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Topics: Flow (Dynamics), Heat transfer, Cooling, Heating, Boundary-value problems, Computer simulation, Convection, Copper, Engineering simulation, Film cooling