1-20 of 242
Drag (Fluid dynamics)
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Propulsion Aerodynamics for a Novel High-Speed Exhaust System

Spyros Tsentis, Ioannis Goulos, Simon Prince, Vassilios Pachidis, Vladeta Zmijanovic
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A010, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101005
https://doi.org/10.1115/GT2023-101005
View Paper titled, Propulsion Aerodynamics for a Novel High-Speed Exhaust System
Open the PDF for Propulsion Aerodynamics for a Novel High-Speed Exhaust System in another window
Topics: Aerodynamics, Cavities, Drag (Fluid dynamics), Exhaust systems, Nozzles, Propulsion
Proceedings Papers

High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness

Thomas O. Jelly, Wagih Abu Rowin, Nicholas Hutchins, Daniel Chung, Koichi Tanimoto, Takuo Oda, Richard D. Sandberg
Proc. ASME. GT2023, Volume 7B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V07BT13A005, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102138
https://doi.org/10.1115/GT2023-102138
View Paper titled, High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness
Open the PDF for High-Fidelity Computational Assessment of Aero-Thermal Performance and the Reynolds’ Analogy for Additively Manufactured Anisotropic Surface Roughness in another window
Topics: Additive manufacturing, Anisotropy, Heat transfer, Surface roughness, Turbulence, Flow (Dynamics), Pressure, Channel flow, Computational fluid dynamics, Computer simulation
Proceedings Papers

Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results

Jason Wilkes, Farhan Ahmed Omer, Thomas Kerr
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A035, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103960
https://doi.org/10.1115/GT2023-103960
View Paper titled, Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results
Open the PDF for Development of a 250,000 Lb Thrust Bearing Test Rig With Experimental Results in another window
Topics: Thrust bearings, Bearings, Stress, Rollers, Cooling, Design, Displacement, Drag (Fluid dynamics), Engines, Failure
Proceedings Papers

Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions

Luis San Andrés, Zihan Ouyang, Yudi Qin
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT22A025, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103242
https://doi.org/10.1115/GT2023-103242
View Paper titled, Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions
Open the PDF for Effect of Reduced Oil Flow Rate on the Performance of a Load on Pad Journal Bearing: Flooded vs. Evacuated Conditions in another window
Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Drag (Fluid dynamics), Damping, Temperature, Babbitt metal, Energy consumption, Failure
Proceedings Papers

Evaluation of Empirical Loss Models for Base Drag Prediction of sCO2 Axial Turbine Aerofoils

R. Senthil Kumaran, Sharath P. P., Dilipkumar B. Alone, Pramod Kumar
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103587
https://doi.org/10.1115/GT2023-103587
View Paper titled, Evaluation of Empirical Loss Models for Base Drag Prediction of sCO2 Axial Turbine Aerofoils
Open the PDF for Evaluation of Empirical Loss Models for Base Drag Prediction of sCO2 Axial Turbine Aerofoils in another window
Topics: Airfoils, Cascades (Fluid dynamics), Drag (Fluid dynamics), Turbines
Proceedings Papers

Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Proc. ASME. GT2023, Volume 13B: Turbomachinery — Axial Flow Turbine Aerodynamics, V13BT30A036, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103536
https://doi.org/10.1115/GT2023-103536
View Paper titled, Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades
Open the PDF for Effects of Riblet Dimensions on the Transitional Boundary Layers Over High-Lift Turbine Blades in another window
Topics: Boundary layers, Dimensions, Turbine blades, Surface roughness, Blades, Skin friction (Fluid dynamics), Bubbles, Drag (Fluid dynamics), Flow (Dynamics), Separation (Technology)
Proceedings Papers

Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces

S. M. Ananth, Massimiliano Nardini, Aditya Vaid, Richard D. Sandberg, Nagabhushana Rao Vadlamani
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A026, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82558
https://doi.org/10.1115/GT2022-82558
View Paper titled, Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces
Open the PDF for Profile Loss Reduction of High Lift Turbine Blades With Rough and Ribbed Surfaces in another window
Topics: Surface roughness, Turbine blades, Blades, Turbulence, Boundary layers, Pressure gradient, Separation (Technology), Suction, Boundary layer turbulence, Bubbles
Proceedings Papers

Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise

Andrea Magrini, Denis Bousi, Ernesto Benini
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A005, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81912
https://doi.org/10.1115/GT2022-81912
View Paper titled, Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise
Open the PDF for Analysis of Ultra-High Bypass Ratio Turbofan Nacelle Geometries With Conventional and Short Intakes at Take-Off and Cruise in another window
Topics: Turbofans, Drag (Fluid dynamics), Engines, Flow (Dynamics), Pressure, Weight (Mass), Diffusion (Physics), Exhaust systems, Rotors, Separation (Technology)
Proceedings Papers

Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions

Luis San Andrés, Andy Alcantar
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT22A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81839
https://doi.org/10.1115/GT2022-81839
View Paper titled, Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions
Open the PDF for Effect of a Reduced Oil Flow Rate on the Static and Dynamic Performance of a Tilting Pad Journal Bearing Running in Both the Flooded and Evacuated Conditions in another window
Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Drag (Fluid dynamics), Temperature, Damping, Fluid films, Lubricants, Machinery
Proceedings Papers

Novel UAS Propeller Design Part 1: Using an Unloaded Tip to Reduce Power Requirements and Lower Generated Sound Levels for Propellers Designed for Minimum Induced Drag

Charles Wisniewski, Kenneth Van Treuren
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81579
https://doi.org/10.1115/GT2022-81579
View Paper titled, Novel UAS Propeller Design Part 1: Using an Unloaded Tip to Reduce Power Requirements and Lower Generated Sound Levels for Propellers Designed for Minimum Induced Drag
Open the PDF for Novel UAS Propeller Design Part 1: Using an Unloaded Tip to Reduce Power Requirements and Lower Generated Sound Levels for Propellers Designed for Minimum Induced Drag in another window
Topics: Design, Drag (Fluid dynamics), Propellers
Proceedings Papers

Novel UAS Propeller Design Part 2: Design Hub and Tip Angle of Attack Sensitivity of UAS Propellers Designed for Minimum Induced Drag

Kenneth Van Treuren, Charles Wisniewski
Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T01A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82330
https://doi.org/10.1115/GT2022-82330
View Paper titled, Novel UAS Propeller Design Part 2: Design Hub and Tip Angle of Attack Sensitivity of UAS Propellers Designed for Minimum Induced Drag
Open the PDF for Novel UAS Propeller Design Part 2: Design Hub and Tip Angle of Attack Sensitivity of UAS Propellers Designed for Minimum Induced Drag in another window
Topics: Design, Drag (Fluid dynamics), Propellers
Proceedings Papers

Calculating Windage Losses: A Review

Fernando Karg Bulnes, Thomas Kerr, Aaron Rimpel
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A016, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82570
https://doi.org/10.1115/GT2022-82570
View Paper titled, Calculating Windage Losses: A Review
Open the PDF for Calculating Windage Losses: A Review in another window
Topics: Compressors, Density, Drag (Fluid dynamics), Fluids, High pressure (Physics), Machinery, Modeling, Reynolds number, Rotation, Rotors
Proceedings Papers

Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions

Luis San Andrés, Hussain Kaizar, Hardik Jani, Manish Thorat
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A017, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59401
https://doi.org/10.1115/GT2021-59401
View Paper titled, Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions
Open the PDF for Effect of Pad Material, Copper vs. Steel, on the Performance of a Tilting Pad Journal Bearing: Measurements and Predictions in another window
Topics: Copper, Journal bearings, Steel, Bearings, Stress, Temperature, Stiffness, Clearances (Engineering), Damping, Drag (Fluid dynamics)
Proceedings Papers

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A018, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59684
https://doi.org/10.1115/GT2021-59684
View Paper titled, Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness
Open the PDF for Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness in another window
Topics: Additive manufacturing, Convection, Cooling, Surface roughness, Turbines, Aluminum, Friction, Compressibility, Computer numerical control machine tools, Drag (Fluid dynamics)
Proceedings Papers

A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades

Hidekazu Kodama, Ken-ichi Funazaki
Proc. ASME. GT2021, Volume 2B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V02BT32A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58887
https://doi.org/10.1115/GT2021-58887
View Paper titled, A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades
Open the PDF for A Key Flow Parameter to the Profile Loss of Low-Pressure Turbine Blades in another window
Topics: Flow (Dynamics), Pressure, Turbine blades, Blades, Boundary layers, Form drag, Drag (Fluid dynamics), Design, Friction, Optimization
Proceedings Papers

On the Shaft Speed Selection of Parallel Hybrid Aero Engines

Michael Sielemann, Jesse Gohl, Xin Zhao, Konstantinos Kyprianidis, Giorgio Valente, Sharmila Sumsurooah
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A014, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59500
https://doi.org/10.1115/GT2021-59500
View Paper titled, On the Shaft Speed Selection of Parallel Hybrid Aero Engines
Open the PDF for On the Shaft Speed Selection of Parallel Hybrid Aero Engines in another window
Topics: Aircraft, Aircraft engines, Cooling, Design, Drag (Fluid dynamics), Electric propulsion, Electricity (Physics), Fuel consumption, Gas turbines, Mach number
Proceedings Papers

Fan-Intake Coupling With Conventional and Short Intakes

E. J. Gunn, T. Brandvik, M. J. Wilson
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T01A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58829
https://doi.org/10.1115/GT2021-58829
View Paper titled, Fan-Intake Coupling With Conventional and Short Intakes
Open the PDF for Fan-Intake Coupling With Conventional and Short Intakes in another window
Topics: Annulus, Boundary layers, Computational fluid dynamics, Design, Diffusion (Physics), Drag (Fluid dynamics), Engineering simulation, Engines, Fans, Flow (Dynamics)
Proceedings Papers

CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps

Tingcheng Wu, Luis San Andrés, Xueliang Lu
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58631
https://doi.org/10.1115/GT2021-58631
View Paper titled, CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps
Open the PDF for CFD Analysis of the Influence of Gas Content on the Rotordynamic Force Coefficients for a Circumferentially Grooved Annular Seal for Multiple Phase Pumps in another window
Topics: Computational fluid dynamics, Pumps, Damping, Pressure, Engineering simulation, Excitation, Flow (Dynamics), Rotors, Simulation, Stability
Proceedings Papers

Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends

Luis San Andrés, Jonathan Toner, Andy Alcantar
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58771
https://doi.org/10.1115/GT2021-58771
View Paper titled, Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends
Open the PDF for Measurements to Quantify the Effect of a Reduced Flow Rate on the Performance of a Tilting Pad Journal Bearing (LBP) With Flooded Ends in another window
Topics: Bearings, Flow (Dynamics), Journal bearings, Stress, Temperature, Drag (Fluid dynamics), Babbitt metal, Damping, Energy efficiency, Floods
Proceedings Papers

Numerical Investigation on the Static and Rotordynamic Characteristics for Two Types of Novel Mixed Helical Groove Seals

Zhi Fang, Zhigang Li, Jun Li, Zhenping Feng
Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT25A036, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16303
https://doi.org/10.1115/GT2020-16303
View Paper titled, Numerical Investigation on the Static and Rotordynamic Characteristics for Two Types of Novel Mixed Helical Groove Seals
Open the PDF for Numerical Investigation on the Static and Rotordynamic Characteristics for Two Types of Novel Mixed Helical Groove Seals in another window
Topics: Bearings, Cavities, Computational fluid dynamics, Dampers, Damping, Deformation, Drag (Fluid dynamics), Energy dissipation, Fluids, High pressure (Physics)