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Journal Articles

Photo-Thermal Conversion Analysis of a Medium-Flux Direct Absorption Solar System Using Gold Nanoparticles With Natural Extract of Azadirachta Indica

Parminder Singh, Sanjay Kumar, Ashok Kumar Bagha
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031002.
Paper No: SOL-23-1054
https://doi.org/10.1115/1.4063809
Published Online: October 31, 2023
View Article titled, Photo-Thermal Conversion Analysis of a Medium-Flux Direct Absorption Solar System Using Gold Nanoparticles With Natural Extract of Azadirachta Indica
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Topics: Fluids, Heat transfer, Nanoparticles, Solar energy, Absorption, Nanofluids, Water, Solar collectors
Journal Articles

Discrete-Time Constrained Controller for Proportional Directional Control Valve-Based Electrohydraulic System With Parametric Uncertainty and Disturbances

Ashok Kumar Kumawat, Raja Rout, Renu Kumawat, Manish Rawat
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. July 2023, 145(7): 071001.
Paper No: DS-22-1226
https://doi.org/10.1115/1.4062469
Published Online: May 18, 2023
View Article titled, Discrete-Time Constrained Controller for Proportional Directional Control Valve-Based Electrohydraulic System With Parametric Uncertainty and Disturbances
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Topics: Control equipment, Environmental health and safety, Lyapunov functions, Uncertainty, Valves, Errors, Stress, Optimization, Design
Proceedings Papers

Trajectory Tracking in the Image Frame for Autonomous Navigation of UAV in UAV-AGV Multi-Agent System

Ashok Kumar Sivarathri, Amit Shukla, Ayush Gupta, Amit Kumar
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A032, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95750
https://doi.org/10.1115/IMECE2022-95750
View Paper titled, Trajectory Tracking in the Image Frame for Autonomous Navigation of UAV in UAV-AGV Multi-Agent System
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Topics: Automated guided vehicles, Multi-agent systems, Navigation, Trajectories (Physics), Unmanned aerial vehicles
Proceedings Papers

Vision-Based Horizontal Structure Tracking and Inspection via Unmanned Aerial Vehicle

Amit Kumar, Amit Shukla, Ayush Gupta, Ashok Kumar Shivratri
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A031, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95728
https://doi.org/10.1115/IMECE2022-95728
View Paper titled, Vision-Based Horizontal Structure Tracking and Inspection via Unmanned Aerial Vehicle
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Topics: Inspection, Unmanned aerial vehicles
Proceedings Papers

Vision-Based Autonomous Inspection of Vertical Structures Using Unmanned Aerial Vehicle (UAV)

Ayush Gupta, Amit Shukla, Amit Kumar, Ashok Kumar Shivratri
Proc. ASME. IMECE2022, Volume 3: Advanced Materials: Design, Processing, Characterization and Applications; Advances in Aerospace Technology, V003T04A030, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95698
https://doi.org/10.1115/IMECE2022-95698
View Paper titled, Vision-Based Autonomous Inspection of Vertical Structures Using Unmanned Aerial Vehicle (UAV)
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Topics: Computers, Inspection, Unmanned aerial vehicles
Journal Articles

Improving the Power Output of a Partially Shaded Photovoltaic Array Through a Hybrid Magic Square Configuration With Differential Evolution-Based Adaptive P&O MPPT Method

Vijay Muniyandi, Saravanan Manimaran, Ashok Kumar Balasubramanian
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2023, 145(5): 051001.
Paper No: SOL-22-1196
https://doi.org/10.1115/1.4056621
Published Online: January 27, 2023
View Article titled, Improving the Power Output of a Partially Shaded Photovoltaic Array Through a Hybrid Magic Square Configuration With Differential Evolution-Based Adaptive P&O MPPT Method
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Topics: Shades and shadows, Solar cell arrays
Journal Articles

Elliptical Bladed Savonius Rotor for Wind Energy: Efficacy of RANS Modeling for Flow Characteristics

Anupam Dewan, Ashok Kumar Bishnoi, Tej Pratap Singh, Shivam Singh Tomar
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. May 2023, 145(5): 051301.
Paper No: JERT-22-1582
https://doi.org/10.1115/1.4056275
Published Online: December 14, 2022
View Article titled, Elliptical Bladed Savonius Rotor for Wind Energy: Efficacy of RANS Modeling for Flow Characteristics
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Topics: Blades, Rotors, Savonius wind turbines, Torque, Flow (Dynamics)
Journal Articles

Comparative Assessment of Different Turbulence Models to Estimate Thermo-Fluid Characteristics of an Infrared Suppression (IRS) Device

Arnab Mukherjee, Jnana Ranjan Senapati, Sushil Kumar Rathore, Ashok Kumar Barik
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2022, 144(7): 073501.
Paper No: HT-21-1816
https://doi.org/10.1115/1.4054415
Published Online: May 12, 2022
View Article titled, Comparative Assessment of Different Turbulence Models to Estimate Thermo-Fluid Characteristics of an Infrared Suppression (IRS) Device
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Topics: Turbulence, Suction, Temperature, Nozzles
Journal Articles

Conjugate Free Convection Heat Transfer and Thermodynamic Analysis of Infrared Suppression Device With Cylindrical Funnels

Vikrant Chandrakar, Arnab Mukherjee, Jnana Ranjan Senapati, Ashok Kumar Barik
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2022, 144(4): 042603.
Paper No: HT-21-1619
https://doi.org/10.1115/1.4053455
Published Online: February 10, 2022
View Article titled, Conjugate Free Convection Heat Transfer and Thermodynamic Analysis of Infrared Suppression Device With Cylindrical Funnels
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Journal Articles

Role of a Sinusoidal Wavy Surface in Enhancement of Heat Transfer Using Turbulent Dual Jet

Tej Pratap Singh, Amitesh Kumar, Ashok Kumar Satapathy
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. March 2021, 143(3): 032002.
Paper No: HT-20-1257
https://doi.org/10.1115/1.4049274
Published Online: January 28, 2021
View Article titled, Role of a Sinusoidal Wavy Surface in Enhancement of Heat Transfer Using Turbulent Dual Jet
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Topics: Boundary-value problems, Cycles, Heat transfer, Temperature, Turbulence, Reynolds number, Wall temperature
Includes: Supplementary data
Journal Articles

A Rapid Method of Determination of Swell Potential and Swell Pressure of Expansive Soils Using Constant Rate of Strain Apparatus

T. Ashok Kumar, M. Raheena, R. G. Robinson, T. Thyagaraj
Journal: Geotechnical Testing Journal
Publisher: ASTM International
Article Type: Technical Papers
Geotech. Test. J.. November 2020, 43(6): 1368–1378.
Paper No: GTJ20180414
https://doi.org/10.1520/GTJ20180414
Published Online: November 1, 2020
View Article titled, A Rapid Method of Determination of Swell Potential and Swell Pressure of Expansive Soils Using Constant Rate of Strain Apparatus
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Journal Articles

Unequivocally Nonconservative Results From One Method of Imperfection Quantification in RCC-MR

Ashok Kumar, Anindya Chatterjee
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2021, 7(1): 011801.
Paper No: NERS-20-1001
https://doi.org/10.1115/1.4047494
Published Online: October 5, 2020
View Article titled, Unequivocally Nonconservative Results From One Method of Imperfection Quantification in RCC-MR
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Topics: Buckling, Shells, Stress, Geometry
Journal Articles

Vibration Analysis of a Tire Under Static Loading Using Flexible Ring-Based Model

Aakash Swami, Ashok Kumar Pandey
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2021, 143(1): 011007.
Paper No: VIB-20-1015
https://doi.org/10.1115/1.4047705
Published Online: July 28, 2020
View Article titled, Vibration Analysis of a Tire Under Static Loading Using Flexible Ring-Based Model
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Topics: Displacement, Temperature, Tires, Mode shapes, Boundary-value problems, Pressure, Stress
Journal Articles

Effect of Radiation on Hydromagnetic Mixed Convective Flow in a Vertical Channel Filled With Porous Media: A Thermal Nonequilibrium Approach

K. M. Renu, Ashok Kumar
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. April 2020, 142(4): 042701.
Paper No: HT-19-1422
https://doi.org/10.1115/1.4045889
Published Online: February 20, 2020
View Article titled, Effect of Radiation on Hydromagnetic Mixed Convective Flow in a Vertical Channel Filled With Porous Media: A Thermal Nonequilibrium Approach
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Topics: Buoyancy, Flow (Dynamics), Fluids, Magnetic fields, Magnetohydrodynamics, Porous materials, Radiation (Physics), Temperature, Heat transfer, Fluid dynamics
Journal Articles

Heat Transfer and Fluid Flow Characteristics of a Turbulent Dual Jet Impinging on a Wavy Surface

Tej Pratap Singh, Amitesh Kumar, Ashok Kumar Satapathy
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2020, 12(4): 041017.
Paper No: TSEA-19-1318
https://doi.org/10.1115/1.4045882
Published Online: January 30, 2020
View Article titled, Heat Transfer and Fluid Flow Characteristics of a Turbulent Dual Jet Impinging on a Wavy Surface
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Topics: Flow (Dynamics), Fluid dynamics, Heat transfer, Pressure, Turbulence, Heat flux, Wall temperature, Vortices, Jets, Boundary-value problems
Journal Articles

On One Imperfection Estimation Method for Thin Shell Buckling in the Design Code RCC-MR

Ashok Kumar, Anindya Chatterjee
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2019, 5(4): 042001.
Paper No: NERS-18-1034
https://doi.org/10.1115/1.4042117
Published Online: July 19, 2019
View Article titled, On One Imperfection Estimation Method for Thin Shell Buckling in the Design Code RCC-MR
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Topics: Buckling, Shells, Stress, Design
Journal Articles

Nonlinear Analysis of Shape Memory Devices With Duffing and Quadratic Oscillators

Shantanu Rajendra Gaikwad, Ashok Kumar Pandey
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. January 2018, 13(1): 011003.
Paper No: CND-16-1562
https://doi.org/10.1115/1.4037923
Published Online: October 9, 2017
View Article titled, Nonlinear Analysis of Shape Memory Devices With Duffing and Quadratic Oscillators
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Topics: Displacement, Frequency response, Shapes, Stiffness, Temperature, Vibration, Thermomechanics, Shape memory alloys
Journal Articles

Mass Sensitivity of Nonuniform Microcantilever Beams

Sajal Sagar Singh, Prem Pal, Ashok Kumar Pandey
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. December 2016, 138(6): 064502.
Paper No: VIB-16-1056
https://doi.org/10.1115/1.4034079
Published Online: August 8, 2016
View Article titled, Mass Sensitivity of Nonuniform Microcantilever Beams
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Topics: Boundary-value problems, Cantilever beams, Microelectromechanical systems, Mode shapes, Resonance, Sensors, Actuators, Galerkin method, Geometry
Journal Articles

Frequency Analysis of Linearly Coupled Modes of MEMS Arrays

Prashant N. Kambali, Gyanadutta Swain, Ashok Kumar Pandey
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2016, 138(2): 021017.
Paper No: VIB-15-1384
https://doi.org/10.1115/1.4032517
Published Online: February 5, 2016
View Article titled, Frequency Analysis of Linearly Coupled Modes of MEMS Arrays
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Topics: Actuators, Deflection, Electrodes, Equations of motion, Microelectromechanical systems, Sensors, Tension, Microbeams
Journal Articles

Nonlinear Response of a Microbeam Under Combined Direct and Fringing Field Excitation

Prashant N. Kambali, Ashok Kumar Pandey
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2015, 10(5): 051010.
Paper No: CND-14-1069
https://doi.org/10.1115/1.4029700
Published Online: September 1, 2015
View Article titled, Nonlinear Response of a Microbeam Under Combined Direct and Fringing Field Excitation
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Topics: Excitation, Cantilever beams, Microbeams, Damping