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Proceedings Papers

Unsteady Film Cooling Performance on the High Pressure Turbine Shroud Under Rotor-Stator Interaction for an Aero-Engine

Zihao Bao, Zhihai Kou, Bo Han, Guangchao Li
Proc. ASME. GT2021, Volume 5A: Heat Transfer — Combustors; Film Cooling, V05AT12A003, June 7–11, 2021
Paper No: GT2021-58889
DOI: https://doi.org/10.1115/GT2021-58889
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Topics: Aircraft engines, Blades, Clearances (Engineering), Film cooling, High pressure (Physics), Leakage, Leakage flows, Rotors, Stators, Turbines
Proceedings Papers

Rotating Brush Seal Design and Performance Testing

Neelesh Sarawate, Deepak Trivedi
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A001, June 7–11, 2021
Paper No: GT2021-02334
DOI: https://doi.org/10.1115/GT2021-02334
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Topics: Centrifugal force, Design, Engines, Heating, Leakage, Modeling, Pressure, Rotation, Rotors, Stiffness
Proceedings Papers

Unsteady Pressure Measurements in a Heated Rotating Cavity

Richard W. Jackson, Hui Tang, James A. Scobie, Oliver J. Pountney, Carl M. Sangan, J. Michael Owen, Gary D. Lock
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A005, June 7–11, 2021
Paper No: GT2021-59090
DOI: https://doi.org/10.1115/GT2021-59090
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Topics: Cavities, Pressure measurement, Vortices, Buoyancy, Engines, Flow (Dynamics), Aircraft engines, Cavity flows, Compressors, Computational fluid dynamics
Proceedings Papers

Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based On the Applicability Analysis of Leakage Models Using Bulk-Flow Method

Tianhao Wang, Zhigang Li, Jun Li
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A015, June 7–11, 2021
Paper No: GT2021-59568
DOI: https://doi.org/10.1115/GT2021-59568
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Topics: Flow (Dynamics), Leakage, Pressure, Clearances (Engineering), Sealing (Process), Damping, Excitation, Fluids, Leakage flows, Rotors
Proceedings Papers

Correlating Cavity Sealing Effectiveness to Time-Resolved Rim Seal Events in the Presence of Vane Trailing Edge Flow

Shawn Siroka, Iván Monge-Concepción, Reid A. Berdanier, Michael D. Barringer, Karen A. Thole, Christopher Robak
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A011, June 7–11, 2021
Paper No: GT2021-59285
DOI: https://doi.org/10.1115/GT2021-59285
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Topics: Cavities, Flow (Dynamics), Sealing (Process), Temperature, Coolants, Cooling, Blades, Computer simulation, Disks, Engineering simulation
Proceedings Papers

Numerical Investigation of the Effect of an Axial Pre-Swirl Nozzle With a Radial Angle in a Pre-Swirl Rotor-Stator System

Gang Zhao, Shuiting Ding, Tian Qiu, Shenghui Zhang
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A016, June 7–11, 2021
Paper No: GT2021-60189
DOI: https://doi.org/10.1115/GT2021-60189
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Topics: Discharge coefficient, Nozzles, Rotors, Stators, Temperature
Proceedings Papers

Design and Development of a New Rotating Turbine Research Facility For Investigating the Interaction Between Mainstream and Various Secondary Air at Relevant Engine Conditions

Yoji Okita, Hisao Futamura, Takashi Yamane, Masaya Suzuki, Nozomi Tanaka, Haruyuki Tanimitsu, Junichi Iguchi
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT13A002, June 7–11, 2021
Paper No: GT2021-58806
DOI: https://doi.org/10.1115/GT2021-58806
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Topics: Design, Engines, Turbines, Cooling, Aerospace industry, Air flow, Aircraft engines, Airfoils, Blades, Compressors
Proceedings Papers

Influence of Flow Coefficient on Ingress Through Turbine Rim Seals

Dimitrios Graikos, Mauro Carnevale, Carl M. Sangan, Gary D. Lock, James A. Scobie
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT14A009, June 7–11, 2021
Paper No: GT2021-59227
DOI: https://doi.org/10.1115/GT2021-59227
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Topics: Flow (Dynamics), Turbines, Blades, Rotors, Annulus, Disks, Stators, Clearances (Engineering), Engines, Entropy
Proceedings Papers

Influence of Supersonic Nozzle Design Parameters on the Unsteady Stator-Rotor Interaction in Radial-Inflow Turbines for Organic Rankine Cycles

Alessandro Cappiello, Raffaele Tuccillo
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A008, June 7–11, 2021
Paper No: GT2021-59123
DOI: https://doi.org/10.1115/GT2021-59123
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Topics: Design, Inflow, Nozzles, Organic Rankine cycle, Rotors, Stators, Turbines
Proceedings Papers

The Influence of Condensation on the Performance Map of a Fuel Cell Turbocharger Turbine

Tim Wittmann, Sebastian Lück, Tim Hertwig, Christoph Bode, Jens Friedrichs
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A001, June 7–11, 2021
Paper No: GT2021-58472
DOI: https://doi.org/10.1115/GT2021-58472
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Topics: Condensation, Fuel cells, Turbines, Turbochargers, Pressure, Drops, Inflow, Nucleation (Physics), Aerodynamics, Exhaust systems
Proceedings Papers

Stability and Unbalance Analysis of Rigid Rotors Supported by Spiral Groove Bearings: Comparison of Different Approaches

Elia Iseli, Jürg Schiffmann
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A013, June 7–11, 2021
Paper No: GT2021-59513
DOI: https://doi.org/10.1115/GT2021-59513
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Topics: Bearings, Rotors, Stability, Compressibility, Gas bearings, Transients (Dynamics), Center of mass, Equations of motion, Excitation, Fluids
Proceedings Papers

Use of an Integrated Approach for Analysis and Design of Turbocharged Internal Combustion Engine

Thiago Ebel, Mark Anderson, Parth Pandya, Mat Perchanok, Nick Tiney, Steve P. Gravante
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A017, June 7–11, 2021
Paper No: GT2021-60326
DOI: https://doi.org/10.1115/GT2021-60326
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Topics: Compressors, Design, Internal combustion engines, Turbines, Turbochargers, Engines, Pressure, Diesel, Gasdynamics, Geometry
Proceedings Papers

Testing and Acceptance of Semi-Machined Turbine Rotor Forging Elements

Steve Ingistov, Douglas Nagy
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A018, June 7–11, 2021
Paper No: GT2021-60028
DOI: https://doi.org/10.1115/GT2021-60028
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Topics: Forging, Rotors, Testing, Turbines, Forgings (Products), Temperature, Tension, Wheels, ASTM standards, Compressive stress
Proceedings Papers

A Cradle to Gate Approach for Life-Cycle-Assessment of Blisk Manufacturing

Kilian Fricke, Sascha Gierlings, Philipp Ganser, Martin Seimann, Thomas Bergs
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A009, June 7–11, 2021
Paper No: GT2021-59479
DOI: https://doi.org/10.1115/GT2021-59479
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Topics: Gates (Closures), Life cycle assessment, Manufacturing, Cycles, Chain, Compressors, Raw materials, Air traffic control, Aircraft engines, Aviation
Proceedings Papers

One Dimensional Modelling for Pulsed Flow Twin-Entry Turbine

Bijie Yang, Ricardo Martinez-Botas, Yingxian Xue, Mingyang Yang
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A015, June 7–11, 2021
Paper No: GT2021-60069
DOI: https://doi.org/10.1115/GT2021-60069
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Topics: Flow (Dynamics), Modeling, Turbines, Pressure, Turbochargers, Computational fluid dynamics, Energy conservation, Engines, Exhaust systems, Internal combustion engines
Proceedings Papers

Centrifugal Compressor Stage Efficiency and Rotor Stiffness Augmentation via Artificial Neural Networks

Andrea Agnolucci, Michele Marconcini, Andrea Arnone, Lorenzo Toni, Angelo Grimaldi, Marco Giachi
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A014, June 7–11, 2021
Paper No: GT2021-59998
DOI: https://doi.org/10.1115/GT2021-59998
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Topics: Artificial neural networks, Compressors, Rotors, Stiffness, Optimization, Impellers, Design, Diffusers, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Adjoint-Based Optimisation of Rocket Engine Turbine Blades

Bhupinder Singh Sanghera, Nitish Anand, Louis Souverein, Loïc Penin, Matteo Pini
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A013, June 7–11, 2021
Paper No: GT2021-59580
DOI: https://doi.org/10.1115/GT2021-59580
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Topics: Optimization, Rocket engines, Turbine blades, Stators, Turbines, Design, Cycles, Flow (Dynamics), Generators, Shape optimization
Proceedings Papers

Stator Blades Manufacturing Geometrical Variability in Axial Compressors and Impact on the Aeroelastic Excitation Forces

Marco Gambitta, Arnold Kühhorn, Bernd Beirow, Sven Schrape
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT36A014, June 7–11, 2021
Paper No: GT2021-59642
DOI: https://doi.org/10.1115/GT2021-59642
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Topics: Blades, Compressors, Excitation, Manufacturing, Stators, Uncertainty, Rotors, Algorithms, Annulus, Design
Proceedings Papers

Impact of Swirling Entropy Waves on a High Pressure Turbine

Andrea Notaristefano, Paolo Gaetani
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A009, June 7–11, 2021
Paper No: GT2021-59598
DOI: https://doi.org/10.1115/GT2021-59598
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Topics: Entropy, High pressure (Physics), Swirling flow, Turbines, Waves, Combustion chambers, Stators, Rotors, Temperature, Aerodynamic flow
Proceedings Papers

Analysis of the Loss Production Mechanism due to Cavity-Main Flow Interaction in a LPT Stage

D. Barsi, D. Lengani, D. Simoni, G. Venturino, F. Bertini, M. Giovannini, F. Rubechini
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A012, June 7–11, 2021
Paper No: GT2021-59932
DOI: https://doi.org/10.1115/GT2021-59932
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Topics: Cavities, Flow (Dynamics), Cavity flows, Rotors, Simulation, Pressure, Engines, Geometry, Inspection, Stators