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Journal Articles

Development and Calibration of an Indigenous Spectroscopic System for Radiation Portal Monitor Application

Akanchha Fnu, Vikesh Singh Bhadouria, Arun Kumar Pandey, Pankaj Wahi, Niraj Sinha, Prabhat Munshi
Journal: Journal of Nuclear Engineering and Radiation Science
Article Type: Research-Article
ASME J of Nuclear Rad Sci. July 2023, 9(3): 032003.
Paper No: NERS-22-1091
DOI: https://doi.org/10.1115/1.4056464
Published Online: February 8, 2023
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Topics: Calibration, Gamma rays, Gates (Closures), Radiation (Physics), Sensors, Spectra (Spectroscopy), Radioisotopes, Resolution (Optics)
Journal Articles

Development of Validated Numerical Model for Study of Mechanical Properties and Permeability of Carbon Nanotube-Bioactive Glass Scaffolds

Kartikeya Dixit, Pankaj Wahi, Niraj Sinha
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. February 2022, 5(1): 011003.
Paper No: JESMDT-21-1025
DOI: https://doi.org/10.1115/1.4052915
Published Online: November 24, 2021
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Topics: Compressive strength, Finite element analysis, Glass, Permeability, Failure, Mechanical properties, Carbon, Nanotubes, Porosity, Geometry
Proceedings Papers

On the Effect of Noise Induced Dynamics on Linear Growth Rates of Oscillations in an Electroacoustic Rijke Tube Simulator

Neha Vishnoi, Pankaj Wahi, Aditya Saurabh, Lipika Kabiraj
Proc. ASME. GT2021, Volume 3A: Combustion, Fuels, and Emissions, V03AT04A013, June 7–11, 2021
Paper No: GT2021-58691
DOI: https://doi.org/10.1115/GT2021-58691
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Topics: Dynamics (Mechanics), Noise (Sound), Oscillations, Stability, Combustion chambers, Acoustics, Gas turbines, Bifurcation, Combustion, Damping
Journal Articles

Finite Element Analysis of Human Tibia Modeled as a Functionally Graded Material

Ashish Tiwari, Pankaj Wahi, Niraj Sinha
Journal: Journal of Engineering and Science in Medical Diagnostics and Therapy
Article Type: Research-Article
ASME J of Medical Diagnostics. August 2019, 2(3): 031007.
Paper No: JESMDT-19-1017
DOI: https://doi.org/10.1115/1.4044054
Published Online: July 15, 2019
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Topics: Bone, Finite element analysis, Functionally graded materials, Materials properties, Stress, Stress concentration
Proceedings Papers

Experimental Studies of Bifurcations Leading to Chaos in a Laboratory Scale Thermoacoustic System

Lipika Kabiraj, R. I. Sujith, Pankaj Wahi
Proc. ASME. GT2011, Volume 2: Combustion, Fuels and Emissions, Parts A and B, 959-968, June 6–10, 2011
Paper No: GT2011-46149
DOI: https://doi.org/10.1115/GT2011-46149
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Topics: Bifurcation, Chaos, Flames, Oscillations, Pressure, Acoustics, Chemiluminescence, Ducts, Dynamic systems, Time series
Journal Articles

Bifurcations of Self-Excited Ducted Laminar Premixed Flames

Lipika Kabiraj, R. I. Sujith, Pankaj Wahi
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 031502.
DOI: https://doi.org/10.1115/1.4004402
Published Online: December 29, 2011
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Topics: Bifurcation, Flames, Oscillations, Time series, Pressure
Proceedings Papers

Infinite Dimensional Slow Modulations in a Delayed Model for Orthogonal Cutting Vibrations

K. Nandakumar, Pankaj Wahi, Anindya Chatterjee
Proc. ASME. ESDA2008, Volume 2: Automotive Systems; Bioengineering and Biomedical Technology; Computational Mechanics; Controls; Dynamical Systems, 665-672, July 7–9, 2008
Paper No: ESDA2008-59339
DOI: https://doi.org/10.1115/ESDA2008-59339
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Topics: Cutting, Vibration, Delays, Dynamics (Mechanics), Flow (Dynamics), Bifurcation, Cutting tools, Manifolds, Oscillations, Phase space
Proceedings Papers

Galerkin Projections for Delay Differential Equations

Pankaj Wahi, Anindya Chatterjee
Proc. ASME. IDETC-CIE2003, Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 2211-2220, September 2–6, 2003
Paper No: DETC2003/VIB-48570
DOI: https://doi.org/10.1115/DETC2003/VIB-48570
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Topics: Delay differential equations, Bifurcation, Delays, Dynamics (Mechanics), Shapes, Approximation
Proceedings Papers

Averaging for Oscillations With Light Fractional Order Damping

Pankaj Wahi, Anindya Chatterjee
Proc. ASME. IDETC-CIE2003, Volume 5: 19th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 721-727, September 2–6, 2003
Paper No: DETC2003/VIB-48386
DOI: https://doi.org/10.1115/DETC2003/VIB-48386
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Topics: Damping, Oscillations, Dynamics (Mechanics), Harmonic oscillators, Limit cycles, Nonlinear systems, Resonance
Journal Articles

Asymptotics for the Characteristic Roots of Delayed Dynamic Systems

Pankaj Wahi, Anindya Chatterjee
Journal: Journal of Applied Mechanics
Article Type: Technical Papers
J. Appl. Mech. July 2005, 72(4): 475–483.
DOI: https://doi.org/10.1115/1.1875492
Published Online: October 29, 2004
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Topics: Delay differential equations, Delays, Dynamic systems, Approximation
Journal Articles

Galerkin Projections for Delay Differential Equations

Pankaj Wahi, Anindya Chatterjee
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Technical Papers
J. Dyn. Sys., Meas., Control. March 2005, 127(1): 80–87.
DOI: https://doi.org/10.1115/1.1870042
Published Online: March 27, 2004
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Topics: Delay differential equations, Delays, Approximation, Dynamics (Mechanics)