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A. M. Pradeep
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Journal Articles

Understanding the Effect of Three-Dimensional Design in Tandem Blade

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Amit Kumar, Akshay Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2024, 146(3): 031002.
Paper No: TURBO-23-1222
https://doi.org/10.1115/1.4063924
Published Online: November 16, 2023
View Articletitled, Understanding the Effect of Three-Dimensional Design in Tandem Blade
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Topics: Blades, Design, Pressure, Rotors, Vortices, Flow (Dynamics)
Proceedings Papers

Understanding the Effect of Three-Dimensional Design in Tandem Blade

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Amit Kumar, Akshay Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A028, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102605
https://doi.org/10.1115/GT2023-102605
View Paper titled, Understanding the Effect of Three-Dimensional Design in Tandem Blade
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Topics: Blades, Design, Rotors, Boundary layers, Compressors, Flow (Dynamics), Nozzles, Pressure, Diffusion (Physics), Leakage
Proceedings Papers

Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades

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Amit Kumar, Jerry T. John, Akshay Kumar, Hitesh Chhugani, A. M. Pradeep
Proc. ASME. GT2022, Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V10AT29A021, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82075
https://doi.org/10.1115/GT2022-82075
View Paper titled, Flow Dynamics of a Subsonic Axial Compressor Rotor With Leaned Tandem Blades
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Topics: Blades, Compressors, Flow (Dynamics), Leakage, Rotors, Vortices, Design, Pressure, Shapes, Diffusion (Physics)
Journal Articles

Aerodynamics of Sweep in a Tandem-Bladed Subsonic Axial Compressor Rotor

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Amit Kumar, Jerry T. John, Hitesh Chhugani, Akshay Kumar, A. M. Pradeep
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2022, 144(12): 121203.
Paper No: FE-22-1171
https://doi.org/10.1115/1.4055054
Published Online: August 8, 2022
View Articletitled, Aerodynamics of Sweep in a Tandem-Bladed Subsonic Axial Compressor Rotor
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Topics: Blades, Design, Flow (Dynamics), Rotors, Vortices
Journal Articles

Response of a Tandem-Staged Compressor to Circumferential Inflow Distortion

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Amit Kumar, A. M. Pradeep
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2022, 144(9): 091202.
Paper No: FE-21-1434
https://doi.org/10.1115/1.4053955
Published Online: March 18, 2022
View Articletitled, Response of a Tandem-Staged Compressor to Circumferential Inflow Distortion
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Topics: Flow (Dynamics), Pressure, Rotors, Stators, Design, Blades, Inflow, Compressors
Journal Articles

Effect of Differential Tip Clearance on the Performance of a Tandem Rotor

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Amit Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081007.
Paper No: TURBO-21-1125
https://doi.org/10.1115/1.4053597
Published Online: March 3, 2022
View Articletitled, Effect of Differential Tip Clearance on the Performance of a Tandem Rotor
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Topics: Blades, Clearances (Engineering), Design, Flow (Dynamics), Pressure, Rotors, Vortices, Leakage, Chords (Trusses)
Proceedings Papers

Understanding the Dynamics of Critical Transitions in a Contra-Rotating Fan

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Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT39A004, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58937
https://doi.org/10.1115/GT2021-58937
View Paper titled, Understanding the Dynamics of Critical Transitions in a Contra-Rotating Fan
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Topics: Annulus, Design, Dynamics (Mechanics), Fans, Flow (Dynamics), Leakage, Rotors, Stress, Vortices, Waves
Proceedings Papers

Thermodynamic Analysis of Waste Heat Recovery Systems in Large Waste Heat Generating Industries

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Shantanu Thada, Yash T. Rajan, A. M. Pradeep, Arunkumar Sridharan
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T06A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59194
https://doi.org/10.1115/GT2021-59194
View Paper titled, Thermodynamic Analysis of Waste Heat Recovery Systems in Large Waste Heat Generating Industries
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Topics: Cement plants, Genetic algorithms, Heat recovery, Optimization, Organic Rankine cycle, Waste heat
Proceedings Papers

Effect of Differential Tip Clearance on the Performance of a Tandem Rotor

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Amit Kumar, Hitesh Chhugani, Shubhali More, A. M. Pradeep
Proc. ASME. GT2021, Volume 2A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V02AT31A023, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59007
https://doi.org/10.1115/GT2021-59007
View Paper titled, Effect of Differential Tip Clearance on the Performance of a Tandem Rotor
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Topics: Clearances (Engineering), Rotors, Vortices, Pressure, Pressure gradient, Blades, Design, Engines, Flow (Dynamics), Leakage
Journal Articles

Windmilling Characteristics of a Contra-Rotating Fan

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M. P. Manas, Arghya Karmakar, A. M. Pradeep
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2021, 143(8): 081004.
Paper No: GTP-20-1485
https://doi.org/10.1115/1.4049265
Published Online: March 31, 2021
View Articletitled, Windmilling Characteristics of a Contra-Rotating Fan
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Topics: Flow (Dynamics), Rotors
Proceedings Papers

Windmilling Characteristics of a Contra-Rotating Fan

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Manas Madasseri Payyappalli, Arghya Karmakar, A. M. Pradeep
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14373
https://doi.org/10.1115/GT2020-14373
View Paper titled, Windmilling Characteristics of a Contra-Rotating Fan
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Topics: Flow (Dynamics), Physics, Pressure drop, Pressure measurement, Rotors, Stall inception
Proceedings Papers

Pre-Stall Waves: Precursors to Stall Inception in a Contra-Rotating Axial Fan

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Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A010, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14371
https://doi.org/10.1115/GT2020-14371
View Paper titled, Pre-Stall Waves: Precursors to Stall Inception in a Contra-Rotating Axial Fan
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Topics: Stall inception, Waves, Compressors, Design, Excitation, Fluids, Inflow, Rotors, Spectra (Spectroscopy)
Proceedings Papers

Flow Interactions in Low Bypass Ratio Multi-Spool Turbofan Engines

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Vishwas Verma, Gursharanjit Singh, A. M. Pradeep
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T07A003, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2572
https://doi.org/10.1115/GTINDIA2019-2572
View Paper titled, Flow Interactions in Low Bypass Ratio Multi-Spool Turbofan Engines
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Topics: Compression, Compressors, Ducts, Engines, Flow (Dynamics), Turbofans, Wakes, Integrated systems, Shapes, Modeling
Proceedings Papers

Performance Evaluation of Contra-Rotating Fans Operating Under Different Speed Combinations

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Navjot Joshi, Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T01A007, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2569
https://doi.org/10.1115/GTINDIA2019-2569
View Paper titled, Performance Evaluation of Contra-Rotating Fans Operating Under Different Speed Combinations
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Topics: Blades, Chords (Trusses), Delays, Diffusion (Physics), Engineering simulation, Fans, Flow (Dynamics), Leakage, Performance evaluation, Physics
Proceedings Papers

Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow

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Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A003, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90252
https://doi.org/10.1115/GT2019-90252
View Paper titled, Understanding Unsteady Flow Behaviour in a Low Aspect Ratio Contra-Rotating Axial Fan Under Radially Distorted Inflow
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Topics: Inflow, Unsteady flow, Rotors, Flow (Dynamics), Gas turbines, Engines, Fans, Fourier series, Pressure, Pressure sensors
Proceedings Papers

Performance Evaluation of a Tandem Rotor Under Design and Off-Design Operation

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Amit Kumar, A. M. Pradeep
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A009, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75478
https://doi.org/10.1115/GT2018-75478
View Paper titled, Performance Evaluation of a Tandem Rotor Under Design and Off-Design Operation
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Topics: Design, Performance evaluation, Rotors, Diffusion (Physics), Flow (Dynamics), Blades, Compressors, Flow separation, Risk, Nozzles
Proceedings Papers

Effect of Tandem Blading in Contra-Rotating Axial Flow Fans

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Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A008, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75477
https://doi.org/10.1115/GT2018-75477
View Paper titled, Effect of Tandem Blading in Contra-Rotating Axial Flow Fans
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Topics: Axial flow, Blades, Design, Emissions, Fans, Flow (Dynamics), Fuel efficiency, Leakage, Physics, Pressure
Proceedings Papers

Experimental Investigation of Stall Inception and its Propagation in a Contra Rotating Axial Fan Under Radial Inflow Distortion

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Tegegn Dejene Toge, A. M. Pradeep
Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63432
https://doi.org/10.1115/GT2017-63432
View Paper titled, Experimental Investigation of Stall Inception and its Propagation in a Contra Rotating Axial Fan Under Radial Inflow Distortion
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Topics: Inflow, Stall inception, Rotors, Flow (Dynamics), Design, Pressure, Wavelet transforms, Blades, Probes, Stability
Proceedings Papers

Effect of Spanwise Variation of Chord on the Performance of a Turbine Cascade

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Srikanth Deshpande, A. M. Pradeep, Marcus Thern, Magnus Genrup
Proc. ASME. GT2017, Volume 2A: Turbomachinery, V02AT40A009, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-63521
https://doi.org/10.1115/GT2017-63521
View Paper titled, Effect of Spanwise Variation of Chord on the Performance of a Turbine Cascade
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Topics: Cascades (Fluid dynamics), Chords (Trusses), Turbines, Design, Manufacturing, Stators, Aerodynamics, Computer simulation, Industrial gases, Pressure
Proceedings Papers

Study of Effects of Rotor Tip Tailoring in Axial Flow Compressors

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Chaitanya V. Halbe, Yashovardhan S. Chati, Jubin Tom George, A. M. Pradeep, Bhaskar Roy, Hong Yu, Peter Townsend
Proc. ASME. GT2015, Volume 2A: Turbomachinery, V02AT37A018, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42520
https://doi.org/10.1115/GT2015-42520
View Paper titled, Study of Effects of Rotor Tip Tailoring in Axial Flow Compressors
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Topics: Axial flow, Compressors, Rotors, Clearances (Engineering), Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure drop, Simulation results