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Proceedings Papers

Study of Rotational Heat Transfer Coefficients in Enclosed Flow Over High-Speed Rotors

Narayana Teja Ayyadevara, Ravi Kumar Kavali, Balaji Subramanian

Proc. ASME. IMECE2022, Volume 8: Fluids Engineering; Heat Transfer and Thermal Engineering, V008T11A004, October 30–November 3, 2022

Paper No: IMECE2022-96470

DOI: https://doi.org/10.1115/IMECE2022-96470

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Topics: Alloys, Flow (Dynamics), Heat transfer coefficients, Rotors

Proceedings Papers

Transition of a Laminar Separated Boundary Layer Under Varying Adverse Pressure Gradient

Ravi Kumar, Pradeep Singh, S. Sarkar

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A029, June 13–17, 2022

Paper No: GT2022-83045

DOI: https://doi.org/10.1115/GT2022-83045

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Topics: Boundary layers, Bubbles, Pressure gradient, Separation (Technology)

Journal Articles

Exergetic Performance Analysis of Energy Storage Unit Fitted With Wire Coil Inserts

Ravi Kumar, Manoj Kumar, Anil Kumar Patil

J. Sol. Energy Eng. April 2023, 145(2): 021003.

Paper No: SOL-21-1414

DOI: https://doi.org/10.1115/1.4055074

Published Online: August 10, 2022

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Topics: Energy storage, Entropy, Exergy, Storage, Wire, Temperature, Heat transfer

Journal Articles

A Comprehensive Review on Analytical Formulations of Wind Turbine Wake Models and Future Scope in the Development of Wind Farms of Assorted Configurations

Ojing Siram, Ravi Kumar, Ujjwal K. Saha, Niranjan Sahoo

J. Energy Resour. Technol. November 2022, 144(11): 110801.

Paper No: JERT-22-1064

DOI: https://doi.org/10.1115/1.4054175

Published Online: April 26, 2022

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Topics: Wakes, Wind turbines, Wind farms

Journal Articles

Wind Tunnel Probe Into an Array of Small-Scale Horizontal-Axis Wind Turbines Operating at Low Tip Speed Ratio Conditions

Ojing Siram, Ravi Kumar, Ujjwal K. Saha, Niranjan Sahoo

J. Energy Resour. Technol. September 2022, 144(9): 091303.

Paper No: JERT-21-1880

DOI: https://doi.org/10.1115/1.4053579

Published Online: February 22, 2022

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Topics: Flow (Dynamics), Rotors, Turbines, Wakes, Wind tunnels, Blades, Wind farms, Horizontal axis wind turbines

Proceedings Papers

Far-Infrared Transmittance and Reflectance of YBa 2 Cu 3 O 7-δ Films on Si Substrates

A. Ravi Kumar, Zhuomin M. Zhang, Vladimir A. Boychev, David B. Tanner, Leila R. Vale, David A. Rudman

Proc. ASME. IMECE98, Heat Transfer: Volume 2 — Combustion and Radiation Heat Transfer, 99-109, November 15–20, 1998

Paper No: IMECE1998-0624

DOI: https://doi.org/10.1115/IMECE1998-0624

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Topics: Reflectance, Yttrium barium copper oxides, Radiation (Physics), Refractive index, Composite materials, Fluids, High temperature, Resonance, Sensors, Temperature

Proceedings Papers

Fabry-Perot Resonators Built With YBa 2 Cu 3 O 7-δ Films on Si Substrates

A. Ravi Kumar, Vladimir A. Boychev, Zhuomin M. Zhang, David B. Tanner

Proc. ASME. IMECE99, Heat Transfer: Volume 3, 15-23, November 14–19, 1999

Paper No: IMECE1999-1058

DOI: https://doi.org/10.1115/IMECE1999-1058

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Topics: Design, Film thickness, Michelson interferometers, Optical mirrors, Optimization, Resonance, Temperature, Thin films, Yttrium barium copper oxides

Proceedings Papers

Characterizing the Transitional Behavior of Wind Turbine Wake From Near to Far Wake Regimes

Ravi Kumar, Ojing Siram, Niranjan Sahoo, Ujjwal K. Saha

Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T09A015, July 20–22, 2021

Paper No: POWER2021-65959

DOI: https://doi.org/10.1115/POWER2021-65959

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Topics: Wakes, Wind tunnels, Wind turbines, Wire

Journal Articles

Charging and Discharging Characteristics of Sensible Energy Storage System With Multiple Cylindrical Passages

Ravi Kumar, Anil Kumar Patil, Manoj Kumar

J. Energy Resour. Technol. September 2021, 143(9): 092001.

Paper No: JERT-21-1236

DOI: https://doi.org/10.1115/1.4051395

Published Online: June 24, 2021

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Topics: Energy efficiency, Energy storage, Temperature, Storage, Transients (Dynamics)

Proceedings Papers

Vibrational Characteristics of Composite Shafts

A. S. Sekhar, N. Ravi Kumar

Proc. ASME. DETC99, Volume 7A: 17th Biennial Conference on Mechanical Vibration and Noise, 1221-1228, September 12–16, 1999

Paper No: DETC99/VIB-8277

DOI: https://doi.org/10.1115/DETC99/VIB-8277

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Topics: Composite materials, Epoxy adhesives, Epoxy resins, Boron, Carbon, Eigenvalues, Finite element methods, Graphite, Rotors, Shear deformation

Proceedings Papers

Finite Element Method (FEM) Based Simulation of Continuous Laser Ablation: Surface Temperature and Depth Profile Evolution

Sandeep Ravi-Kumar, Liangkui Jiang, Hantang Qin

Proc. ASME. MSEC2020, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T06A038, September 3, 2020

Paper No: MSEC2020-8341

DOI: https://doi.org/10.1115/MSEC2020-8341

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Topics: Finite element methods, Heat transfer, Laser ablation, Simulation, Temperature

Journal Articles

An Area-Depth Approximation Model of Microdrilling on High-Density Polyethylene Soft Films Using Pulsed Laser Ablation

Sandeep Ravi-Kumar, Xiao Zhang, Benjamin Lies, Liangkui Jiang, Hantang Qin

J. Micro Nano-Manuf. December 2019, 7(4): 044501.

Paper No: JMNM-19-1023

DOI: https://doi.org/10.1115/1.4045331

Published Online: November 14, 2019

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Topics: Approximation, Density, Laser ablation, Lasers, Modeling

Journal Articles

Study of Interaction Patterns Between Evolving Interfaces Due to Boiling Around Different Arrangements of Heated Cylinders

M. B. Darshan, Ravi Kumar, Arup Kumar Das

J. Heat Transfer. November 2019, 141(11): 111503.

Paper No: HT-18-1739

DOI: https://doi.org/10.1115/1.4044591

Published Online: September 27, 2019

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Topics: Cylinders, Particulate matter, Vapors

Journal Articles

Influence of Inhomogeneous Deformation on Tensile Behavior of Sheets Processed Through Constrained Groove Pressing

Sunil Kumar, S. Venkatachalam, Hariharan Krishnaswamy, Ravi Kumar Digavalli, H. S. N. Murthy

J. Eng. Mater. Technol. October 2019, 141(4): 041007.

Paper No: MATS-18-1312

DOI: https://doi.org/10.1115/1.4043492

Published Online: May 9, 2019

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Topics: Aluminum, Carbon steel, Deformation, Elongation, Finite element analysis, Mechanical properties, Pressing, Simulation, Yield strength, Geometry

Journal Articles

Study of Electric Field-Induced Evaporation Like Process and Nucleation in Nanoscale

M. B. Darshan, Pratyush Agarwal, Dhiraj Indana, Saikat Datta, Ravi Kumar, Arup Kumar Das

J. Heat Transfer. June 2019, 141(6): 062404.

Paper No: HT-18-1152

DOI: https://doi.org/10.1115/1.4043301

Published Online: April 17, 2019

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Topics: Density, Electric fields, Evaporation, Temperature, Water, Nucleation (Physics), Nanoscale phenomena, Vapors, Simulation, Heat

Journal Articles

Effect of Tailoring Martensite Shape and Spatial Distribution on Tensile Deformation Characteristics of Dual Phase Steels

B. Ravi Kumar, Vishal Singh, Tarun Nanda, Manashi Adhikary, Nimai Halder, T. Venugopalan

J. Eng. Mater. Technol. April 2018, 140(2): 021002.

Paper No: MATS-17-1114

DOI: https://doi.org/10.1115/1.4037659

Published Online: September 13, 2017

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Topics: Annealing, Shapes, Simulation, Steel, Temperature, Tensile strength, Ferrites (Magnetic materials), Grain size, Engineering simulation, Tensile deformation

Proceedings Papers

Design and Testing of a Can Combustor for a Small Gas Turbine Application

K. V. L. Narayana Rao, N. Ravi Kumar, G. Ramesha, M. Devathathan

Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T03A011, December 5–6, 2013

Paper No: GTINDIA2013-3691

DOI: https://doi.org/10.1115/GTINDIA2013-3691

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Topics: Combustion chambers, Computational fluid dynamics, Design, Fuels, Gas turbines, Testing, Flames, Flow (Dynamics), Pressure, Aircraft engines

Journal Articles

Discussion: “Vibration Analysis of Composite Beams With End Effects Via the Formal Asymptotic Method” (Kim, J.-S., and Wang, K. W., 2010, ASME J. Vib. Acoust., 132 (4), p. 041003)

Ravi Kumar Kovvali, Dewey H. Hodges, Wenbin Yu, Jun-Sik Kim, Kon-Well Wang

J. Vib. Acoust. April 2014, 136(2): 025501.

Paper No: VIB-13-1368

DOI: https://doi.org/10.1115/1.4026139

Published Online: December 18, 2013

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Topics: Composite building materials, Finite element methods, Finite element model, Vibration analysis, Mode shapes

Proceedings Papers

Vortex-Induced Vibration of a Sprung Rigid Circular Cylinder Augmented With a Nonlinear Energy Sink

Ravi Kumar R. Tumkur, Ramon Calderer, Arif Masud, Lawrence A. Bergman, Alexander F. Vakakis, Arne J. Pearlstein

Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 85-92, August 12–15, 2012

Paper No: DETC2012-71100

DOI: https://doi.org/10.1115/DETC2012-71100

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Topics: Circular cylinders, Vortex-induced vibration, Cylinders, Dampers, Flow (Dynamics), Displacement, Energy transformation, Finite element methods, Fluid structure interaction, Fluids

Journal Articles

Thermomechanical Behavior of Pressure Tube Under Small Break Loss of Coolant Accident for PHWR

Ashwini K. Yadav, Ravi Kumar, Akhilesh Gupta, B. Chatterjee, P. Majumdar, D. Mukhopadhyay

J. Pressure Vessel Technol. August 2013, 135(4): 041601.

Paper No: PVT-12-1098

DOI: https://doi.org/10.1115/1.4024580

Published Online: June 11, 2013

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Topics: Pressure, Temperature, Heat, Heavy water reactors, Deformation, Accidents, Fuels, Coolants, Thermomechanics

Journal citation

NARROW

Study of Rotational Heat Transfer Coefficients in Enclosed Flow Over High-Speed Rotors

Transition of a Laminar Separated Boundary Layer Under Varying Adverse Pressure Gradient

Exergetic Performance Analysis of Energy Storage Unit Fitted With Wire Coil Inserts

A Comprehensive Review on Analytical Formulations of Wind Turbine Wake Models and Future Scope in the Development of Wind Farms of Assorted Configurations

Wind Tunnel Probe Into an Array of Small-Scale Horizontal-Axis Wind Turbines Operating at Low Tip Speed Ratio Conditions

Far-Infrared Transmittance and Reflectance of YBa 2 Cu 3 O 7-δ Films on Si Substrates

Fabry-Perot Resonators Built With YBa 2 Cu 3 O 7-δ Films on Si Substrates

Characterizing the Transitional Behavior of Wind Turbine Wake From Near to Far Wake Regimes

Charging and Discharging Characteristics of Sensible Energy Storage System With Multiple Cylindrical Passages

Vibrational Characteristics of Composite Shafts

Finite Element Method (FEM) Based Simulation of Continuous Laser Ablation: Surface Temperature and Depth Profile Evolution

An Area-Depth Approximation Model of Microdrilling on High-Density Polyethylene Soft Films Using Pulsed Laser Ablation

Study of Interaction Patterns Between Evolving Interfaces Due to Boiling Around Different Arrangements of Heated Cylinders

Influence of Inhomogeneous Deformation on Tensile Behavior of Sheets Processed Through Constrained Groove Pressing

Study of Electric Field-Induced Evaporation Like Process and Nucleation in Nanoscale

Effect of Tailoring Martensite Shape and Spatial Distribution on Tensile Deformation Characteristics of Dual Phase Steels

Design and Testing of a Can Combustor for a Small Gas Turbine Application

Discussion: “Vibration Analysis of Composite Beams With End Effects Via the Formal Asymptotic Method” (Kim, J.-S., and Wang, K. W., 2010, ASME J. Vib. Acoust., 132 (4), p. 041003)

Vortex-Induced Vibration of a Sprung Rigid Circular Cylinder Augmented With a Nonlinear Energy Sink

Thermomechanical Behavior of Pressure Tube Under Small Break Loss of Coolant Accident for PHWR

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