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Proceedings Papers

Impact of Uniform Surface Roughness on the Aerodynamic Performance of an Axial Compressor Rotor at Different Rotational Speeds

Ashima Malhotra, Shraman Goswami, Pradeep A M
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A004, December 2–3, 2021
Paper No: GTINDIA2021-75987
DOI: https://doi.org/10.1115/GTINDIA2021-75987
View Paper titled, Impact of Uniform Surface Roughness on the Aerodynamic Performance of an Axial Compressor Rotor at Different Rotational Speeds
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Topics: Compressors, NASA, Rotors, Surface roughness
Proceedings Papers

Impact of Sweep on Part Speed Performance of an Axial Compressor Rotor With Circumferential Casing Grooves

Shraman Goswami, M. Govardhan
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T01A009, December 5–6, 2019
Paper No: GTINDIA2019-2575
DOI: https://doi.org/10.1115/GTINDIA2019-2575
View Paper titled, Impact of Sweep on Part Speed Performance of an Axial Compressor Rotor With Circumferential Casing Grooves
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Topics: Compressors, Rotors
Proceedings Papers

Impact of Sinusoidal Tip Gaps on Axial Compressor Rotor Performance: A Flow Field Investigation

Shraman Goswami, Ashima Malhotra
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T01A008, December 5–6, 2019
Paper No: GTINDIA2019-2574
DOI: https://doi.org/10.1115/GTINDIA2019-2574
View Paper titled, Impact of Sinusoidal Tip Gaps on Axial Compressor Rotor Performance: A Flow Field Investigation
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Topics: Compressors, Flow (Dynamics), Leakage, Rotors, Vortices
Proceedings Papers

Study of Steady State and Transient Blade Row CFD Methods in a Moderately Loaded NASA Transonic High-Speed Axial Compressor Stage

Mohammed Abdullah Qizar, Mahmoud L. Mansour, Shraman Goswami
Proc. ASME. GT2013, Volume 6B: Turbomachinery, V06BT37A015, June 3–7, 2013
Paper No: GT2013-94739
DOI: https://doi.org/10.1115/GT2013-94739
View Paper titled, Study of Steady State and Transient Blade Row CFD Methods in a Moderately Loaded NASA Transonic High-Speed Axial Compressor Stage
Click here to open pdf in another window PDF for Study of Steady State and Transient Blade Row CFD Methods in a Moderately Loaded NASA Transonic High-Speed Axial Compressor Stage
Topics: Blades, Compressors, Computational fluid dynamics, NASA, Steady state, Transients (Dynamics), Simulation, Annulus, Flow (Dynamics), Stators
Proceedings Papers

Modeling of the Hub Cavity Leakage Flows in Axial Compressors

Hasham H. Chougule, Anand Dhamarla, Shraman Goswami, Mahmoud L. Mansour
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2113-2121, June 11–15, 2012
Paper No: GT2012-68928
DOI: https://doi.org/10.1115/GT2012-68928
View Paper titled, Modeling of the Hub Cavity Leakage Flows in Axial Compressors
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Topics: Cavities, Compressors, Leakage flows, Modeling, Computational fluid dynamics, Leakage, Stators, Boundary-value problems, Flow (Dynamics), High pressure (Physics)
Proceedings Papers

CFD Aerodynamic Performance Validation of a Two-Stage High Pressure Turbine

Murari Sridhar, Sathish Sunnam, Shraman Goswami, Jong S. Liu
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 1175-1184, June 6–10, 2011
Paper No: GT2011-45569
DOI: https://doi.org/10.1115/GT2011-45569
View Paper titled, CFD Aerodynamic Performance Validation of a Two-Stage High Pressure Turbine
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Topics: Computational fluid dynamics, High pressure (Physics), Turbines, Design, Flow (Dynamics), Pressure, Blades, Cooling, Cycles, Engineering design processes
Proceedings Papers

Numerical Validation of Heat Transfer Augmentation Factor in Serpentine Passages With Ribbed Walls

B. V. N. Ramakumar, Vighneswara R. Kollati, Jong S. Liu, Daniel C. Crites, Shraman Goswami, Vaman Kulkarni
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 233-243, June 14–18, 2010
Paper No: GT2010-22636
DOI: https://doi.org/10.1115/GT2010-22636
View Paper titled, Numerical Validation of Heat Transfer Augmentation Factor in Serpentine Passages With Ribbed Walls
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Topics: Heat transfer, Computational fluid dynamics, Flow (Dynamics), Reynolds number, Pipe flow, Uncertainty
Proceedings Papers

Validation of Steady Average-Passage and Mixing Plane CFD Approaches for the Performance Prediction of a Modern Gas Turbine Multistage Axial Compressor

Mahmoud L. Mansour, John Gunaraj, Shraman Goswami
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 393-403, June 9–13, 2008
Paper No: GT2008-50653
DOI: https://doi.org/10.1115/GT2008-50653
View Paper titled, Validation of Steady Average-Passage and Mixing Plane CFD Approaches for the Performance Prediction of a Modern Gas Turbine Multistage Axial Compressor
Click here to open pdf in another window PDF for Validation of Steady Average-Passage and Mixing Plane CFD Approaches for the Performance Prediction of a Modern Gas Turbine Multistage Axial Compressor
Topics: Compressors, Computational fluid dynamics, Gas turbines, Modeling, Turbulence, Flow (Dynamics), Leakage flows, Stators, Turbomachinery, Aerospace industry
Proceedings Papers

Prediction of Lapse Rate in Low Pressure Turbines With and Without Modeling of the Laminar-Turbulent Transition

Mahmoud L. Mansour, S. Murthy Konan, Shraman Goswami
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 1189-1197, May 14–17, 2007
Paper No: GT2007-27110
DOI: https://doi.org/10.1115/GT2007-27110
View Paper titled, Prediction of Lapse Rate in Low Pressure Turbines With and Without Modeling of the Laminar-Turbulent Transition
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Topics: Modeling, Pressure, Turbines, Turbulence, Computational fluid dynamics, Reynolds number, Boundary layers, Flat plates, Flow (Dynamics), Pressure gradient
Proceedings Papers

Assessment of the Impact of Laminar-Turbulent Transition on the Accuracy of Heat Transfer Coefficient Prediction in High Pressure Turbines

Mahmoud L. Mansour, Khosro Molla Hosseini, Jong S. Liu, Shraman Goswami
Proc. ASME. GT2006, Volume 3: Heat Transfer, Parts A and B, 1127-1138, May 8–11, 2006
Paper No: GT2006-90273
DOI: https://doi.org/10.1115/GT2006-90273
View Paper titled, Assessment of the Impact of Laminar-Turbulent Transition on the Accuracy of Heat Transfer Coefficient Prediction in High Pressure Turbines
Click here to open pdf in another window PDF for Assessment of the Impact of Laminar-Turbulent Transition on the Accuracy of Heat Transfer Coefficient Prediction in High Pressure Turbines
Topics: Heat transfer coefficients, High pressure (Physics), Turbines, Turbulence, Computational fluid dynamics, Airfoils, Cascades (Fluid dynamics), Modeling, Reynolds-averaged Navier–Stokes equations, Boundary-value problems