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Manas Madasseri Payyappalli
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Proceedings Papers

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

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
Paper No: GT2021-58937
DOI: https://doi.org/10.1115/GT2021-58937
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Topics: Annulus, Design, Dynamics (Mechanics), Fans, Flow (Dynamics), Leakage, Rotors, Stress, Vortices, Waves
Proceedings Papers

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

Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A010, September 21–25, 2020
Paper No: GT2020-14371
DOI: https://doi.org/10.1115/GT2020-14371
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Topics: Stall inception, Waves, Compressors, Design, Excitation, Fluids, Inflow, Rotors, Spectra (Spectroscopy)
Proceedings Papers

Windmilling Characteristics of a Contra-Rotating Fan

Manas Madasseri Payyappalli, Arghya Karmakar, A. M. Pradeep
Proc. ASME. GT2020, Volume 1: Aircraft Engine; Fans and Blowers, V001T01A010, September 21–25, 2020
Paper No: GT2020-14373
DOI: https://doi.org/10.1115/GT2020-14373
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Topics: Flow (Dynamics), Physics, Pressure drop, Pressure measurement, Rotors, Stall inception
Proceedings Papers

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

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
Paper No: GTINDIA2019-2569
DOI: https://doi.org/10.1115/GTINDIA2019-2569
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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

Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A003, June 17–21, 2019
Paper No: GT2019-90252
DOI: https://doi.org/10.1115/GT2019-90252
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Topics: Inflow, Unsteady flow, Rotors, Flow (Dynamics), Gas turbines, Engines, Fans, Fourier series, Pressure, Pressure sensors
Proceedings Papers

Effect of Tandem Blading in Contra-Rotating Axial Flow Fans

Manas Madasseri Payyappalli, A. M. Pradeep
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT39A008, June 11–15, 2018
Paper No: GT2018-75477
DOI: https://doi.org/10.1115/GT2018-75477
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Topics: Axial flow, Blades, Design, Emissions, Fans, Flow (Dynamics), Fuel efficiency, Leakage, Physics, Pressure
Proceedings Papers

Numerical Investigation on Tandem Compressor Cascades

Manas Madasseri Payyappalli, S. R. Shine
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T01A013, December 2–3, 2015
Paper No: GTINDIA2015-1311
DOI: https://doi.org/10.1115/GTINDIA2015-1311
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Topics: Compressors, Blades, Flow (Dynamics), Cascades (Fluid dynamics), Nozzles, Reynolds-averaged Navier–Stokes equations, Stators, Turbulence