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Decomposition Method to Detect Fatigue Damage Precursors in Thin Components Through Nonlinear Ultrasonic With Collinear Mixing Contributions

Source: Journal of Nondestructive Evaluation, Diagnostics and Prognostics of Engineering Systems:;2020:;volume( 003 ):;issue: 002

Author(s): Bunget, Gheorghe; Henley, Stanley; Glass, Chance; Rogers, James; Webster, Matthew; Farinholt, Kevin; Friedersdorf, Fritz; Pepi, Marc; Ghoshal, Anindya; Datta, Siddhant; Chattopadhyay, Aditi

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: Cyclic loading of mechanical components promotes the formation of dislocation substructures in metals as precursors to crack nucleation leading to final failure of the metallic components. It is well known within the ...

Analytical Study of Articulating Turbine Rotor Blade Concept for Improved Off-Design Performance of Gas Turbine Engines

Source: Journal of Engineering for Gas Turbines and Power:;2017:;volume( 139 ):;issue: 010:;page 102601

Author(s): Murugan, Muthuvel; Ghoshal, Anindya; Xu, Fei; Hsu, Ming-Chen; Bazilevs, Yuri; Bravo, Luis; Kerner, Kevin

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: Gas turbine engines are generally optimized to operate at nearly a fixed speed with fixed blade geometries for the design operating condition. When the operating condition of the engine changes, the flow incidence angles ...

Ceramic Matrix Composite Materials for Engine Exhaust Systems on Next-Generation Vertical Lift Vehicles

Source: Journal of Engineering for Gas Turbines and Power:;2018:;volume( 140 ):;issue: 010:;page 102101

Author(s): Walock, Michael J.; Heng, Vann; Nieto, Andy; Ghoshal, Anindya; Murugan, Muthuvel; Driemeyer, Dan

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: Future gas turbine engines will operate at significantly higher temperatures (∼1800 °C) than current engines (∼1400 °C) for improved efficiency and power density. As a result, the current set of metallic components ...

A Critical Review of Physical Models in High Temperature Multiphase Fluid Dynamics: Turbulent Transport and Particle-Wall Interactions

Source: Applied Mechanics Reviews:;2021:;volume( 073 ):;issue: 004:;page 040801-1

Author(s): Jain, Nishan; Le Moine, Alexandra; Chaussonnet, Geoffroy; Flatau, Alison; Bravo, Luis; Ghoshal, Anindya; Walock, Michael J.; Murugan, Muthuvel; Khare, Prashant

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: This review article examines the last decade of studies investigating solid, molten, and liquid particle interactions with one another and with walls in heterogeneous multiphase flows. Such flows are experienced in ...

Molten Particulate Impact on Tailored Thermal Barrier Coatings for Gas Turbine Engine

Source: Journal of Engineering for Gas Turbines and Power:;2018:;volume( 140 ):;issue: 002:;page 22601

Author(s): Ghoshal, Anindya; Murugan, Muthuvel; Walock, Michael J.; Nieto, Andy; Barnett, Blake D.; Pepi, Marc S.; Swab, Jeffrey J.; Zhu, Dongming; Kerner, Kevin A.; Rowe, Christopher R.; Shiao, Chi-Yu (Michael); Hopkins, David A.; Gazonas, George A.

Publisher: The American Society of Mechanical Engineers (ASME)

Abstract: Commercial/military fixed-wing aircraft and rotorcraft engines often have to operate in significantly degraded environments consisting of sand, dust, ash, and other particulates. Marine gas turbine engines are subjected ...