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Journal Articles

On the Application of Bio-Inspired Sea-Pen Blades in a Savonius Wind Rotor: A Three-Dimensional Computational Analysis

Accepted Manuscript
Chetan Nalavade, Umang H. Rathod, Ujjwal K. Saha, Vinayak Kulkarni
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol.
Paper No: JERT-24-1269
https://doi.org/10.1115/1.4066105
Published Online: August 1, 2024
View Article titled, On the Application of Bio-Inspired Sea-Pen Blades in a Savonius Wind Rotor: A Three-Dimensional Computational Analysis
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Topics: Biomimetics, Blades, Rotors, Savonius wind turbines, Seas, Wind, Engineering simulation, Simulation, Wind velocity, Computational fluid dynamics
Journal Articles

Bioinspired Fluid Dynamic Designs of Vertical-Axis Turbines: State-of-the-Art Review and the Way Forward

Umang H. Rathod, Ujjwal K. Saha, Vinayak Kulkarni
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Review Articles
J. Fluids Eng. September 2024, 146(9): 090801.
Paper No: FE-23-1438
https://doi.org/10.1115/1.4064753
Published Online: April 12, 2024
View Article titled, Bioinspired Fluid Dynamic Designs of Vertical-Axis Turbines: State-of-the-Art Review and the Way Forward
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Topics: Biomimetics, Blades, Turbines, Design
Proceedings Papers

A Systematic Probe Into the Starting Torque Characteristics of a Bio-Inspired Orange Sea-Pen Bladed Savonius Wind Rotor

Umang H. Rathod, Chetan S. Nalavade, Ujjwal K. Saha, Vinayak Kulkarni
Proc. ASME. GT2023, Volume 14: Wind Energy, V014T37A009, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102811
https://doi.org/10.1115/GT2023-102811
View Paper titled, A Systematic Probe Into the Starting Torque Characteristics of a Bio-Inspired Orange Sea-Pen Bladed Savonius Wind Rotor
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Topics: Biomimetics, Blades, Probes, Rotors, Savonius wind turbines, Seas, Torque, Wind, Wind tunnels
Proceedings Papers

Computational Analysis of a Savonius Wind Rotor Using Bio-Inspired Corrugated Blades

Umang H. Rathod, Vinayak Kulkarni, Ujjwal K. Saha
Proc. ASME. GT2023, Volume 14: Wind Energy, V014T37A008, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102801
https://doi.org/10.1115/GT2023-102801
View Paper titled, Computational Analysis of a Savonius Wind Rotor Using Bio-Inspired Corrugated Blades
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Topics: Biomimetics, Blades, Rotors, Savonius wind turbines, Wind
Journal Articles

Evolving a Bio-Inspired Blade Shape of the Drag-Based Vertical-Axis Wind Rotor Derived From Orange Sea Pen ( Ptilosarcus Gurneyi )

Umang H. Rathod, Vinayak Kulkarni, Ujjwal K. Saha
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2023, 145(3): 031007.
Paper No: SOL-22-1112
https://doi.org/10.1115/1.4055914
Published Online: November 11, 2022
View Article titled, Evolving a Bio-Inspired Blade Shape of the Drag-Based Vertical-Axis Wind Rotor Derived From Orange Sea Pen ( Ptilosarcus Gurneyi )
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Topics: Blades, Rotors, Savonius wind turbines, Seas, Shapes, Biomimetics, Flow (Dynamics), Drag (Fluid dynamics)
Journal Articles

Predicting the Optimum Performance of a Vertical-Axis Savonius Wind Rotor With Parametric Modeling Using Artificial Neural Network and Golden Section Method

Umang H Rathod, Vinayak Kulkarni, Ujjwal K. Saha
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. April 2023, 23(2): 021016.
Paper No: JCISE-22-1052
https://doi.org/10.1115/1.4054691
Published Online: July 21, 2022
View Article titled, Predicting the Optimum Performance of a Vertical-Axis Savonius Wind Rotor With Parametric Modeling Using Artificial Neural Network and Golden Section Method
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Topics: Artificial neural networks, Rotors, Savonius wind turbines, Design, Wind, Algorithms
Proceedings Papers

Aerodynamic Analysis of Flat Plates as Lift Generating Devices for Micro Aerial Vehicles

Bastav Borah, Vinayak Kulkarni, Ujjwal K. Saha
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A005, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-69419
https://doi.org/10.1115/IMECE2021-69419
View Paper titled, Aerodynamic Analysis of Flat Plates as Lift Generating Devices for Micro Aerial Vehicles
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Topics: Aircraft, Drag (Fluid dynamics), Flat plates, Reynolds number, Vortices
Proceedings Papers

Effect of Self-Actuating Flap on the Aerodynamic Performance of Flat Plate Wing at Low Reynolds Number

Anand Verma, Vinayak Kulkarni
Proc. ASME. IMECE2021, Volume 4: Advances in Aerospace Technology, V004T04A008, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70495
https://doi.org/10.1115/IMECE2021-70495
View Paper titled, Effect of Self-Actuating Flap on the Aerodynamic Performance of Flat Plate Wing at Low Reynolds Number
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Topics: Flat plates, Reynolds number, Wind tunnels, Wings
Proceedings Papers

Cavity for Flow Control and Performance Improvement of Airfoil

Anand Verma, Bastav Borah, Vinayak Kulkarni
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T05A004, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76415
https://doi.org/10.1115/GTINDIA2021-76415
View Paper titled, Cavity for Flow Control and Performance Improvement of Airfoil
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Topics: Airfoils, Cavities, Flow control, Vortices
Proceedings Papers

Aerodynamic Performance Characterization of a Drag-Based Elliptical-Bladed Savonius Wind Turbine Rotor

Parag K. Talukdar, Vinayak Kulkarni, Ujjwal K. Saha
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T09A005, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76001
https://doi.org/10.1115/GTINDIA2021-76001
View Paper titled, Aerodynamic Performance Characterization of a Drag-Based Elliptical-Bladed Savonius Wind Turbine Rotor
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Topics: Blades, Drag (Fluid dynamics), Performance characterization, Rotors, Savonius wind turbines, Wind tunnels
Proceedings Papers

Vortex Shedding Analysis in the Wake of a Flat Plate at Low Incidence and Low Reynolds Number

Bastav Borah, Anand Verma, Vinayak Kulkarni, Ujjwal K. Saha
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T05A002, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-75959
https://doi.org/10.1115/GTINDIA2021-75959
View Paper titled, Vortex Shedding Analysis in the Wake of a Flat Plate at Low Incidence and Low Reynolds Number
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Topics: Flat plates, Reynolds number, Vortex shedding, Wakes
Journal Articles

On the Application of Machine Learning in Savonius Wind Turbine Technology: An Estimation of Turbine Performance Using Artificial Neural Network and Genetic Expression Programming

Umang H. Rathod, Vinayak Kulkarni, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. June 2022, 144(6): 061301.
Paper No: JERT-21-1247
https://doi.org/10.1115/1.4051736
Published Online: August 4, 2021
View Article titled, On the Application of Machine Learning in Savonius Wind Turbine Technology: An Estimation of Turbine Performance Using Artificial Neural Network and Genetic Expression Programming
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Topics: Artificial neural networks, Computer programming, Savonius wind turbines, Rotors
Journal Articles

Soft Computing—A Way Ahead to Recover Heat Flux for Short Duration Experiments

Anil Kumar Rout, Soumya Ranjan Nanda, Niranjan Sahoo, Pankaj Kalita, Vinayak Kulkarni
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2022, 14(3): 031008.
Paper No: TSEA-21-1233
https://doi.org/10.1115/1.4051726
Published Online: July 26, 2021
View Article titled, Soft Computing—A Way Ahead to Recover Heat Flux for Short Duration Experiments
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Topics: Heat flux, Temperature, Shock tubes, Signals
Journal Articles

Alternative Blade Profile Based on Savonius Concept for Effective Wind Energy Harvesting

Parag K. Talukdar, Nur Alom, Umang H. Rathod, Vinayak Kulkarni
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. April 2022, 144(4): 041304.
Paper No: JERT-20-2137
https://doi.org/10.1115/1.4051675
Published Online: July 20, 2021
View Article titled, Alternative Blade Profile Based on Savonius Concept for Effective Wind Energy Harvesting
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Topics: Blades, Flow (Dynamics), Pressure, Rotors, Savonius wind turbines, Torque, Shapes, Drag (Fluid dynamics), Wind, Design
Proceedings Papers

Transient Response Characteristics of a Surface Junction Probe

Anil Kumar Rout, Niranjan Sahoo, Pankaj Kalita, Vinayak Kulkarni
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T03A006, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2536
https://doi.org/10.1115/GTINDIA2019-2536
View Paper titled, Transient Response Characteristics of a Surface Junction Probe
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Topics: Heat flux, Junctions, Probes, Thermocouples, Transients (Dynamics)
Proceedings Papers

Experimental Study of Self- Adjustable Flap for Fixed Wing MAV

Anand Verma, Vinayak Kulkarni
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T08A009, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2512
https://doi.org/10.1115/GTINDIA2019-2512
View Paper titled, Experimental Study of Self- Adjustable Flap for Fixed Wing MAV
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Topics: Wind tunnels, Wings
Proceedings Papers

Comparative Study of Force Prediction Techniques Using Multi Component Accelerometer Force Balance for High Enthalpy Ground Testing

Abhishek Kamal, Gagan Chandra Das, Vinayak Kulkarni, Niranjan Sahoo
Proc. ASME. GTINDIA2019, Volume 1: Compressors, Fans, and Pumps; Turbines; Heat Transfer; Structures and Dynamics, V001T05A018, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2666
https://doi.org/10.1115/GTINDIA2019-2666
View Paper titled, Comparative Study of Force Prediction Techniques Using Multi Component Accelerometer Force Balance for High Enthalpy Ground Testing
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Topics: Accelerometers, Enthalpy, Testing, Calibration, Impulse (Physics), Hammers, Algorithms, Drag (Fluid dynamics), Errors, Force measurement
Proceedings Papers

Investigation on Flow Characteristics and Performance of a Vertical Axis Wind Turbine With Deflector Plates

K. Karthik Selva Kumar, Vinayak Kulkarni, Niranjan Sahoo
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T06A008, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2471
https://doi.org/10.1115/GTINDIA2019-2471
View Paper titled, Investigation on Flow Characteristics and Performance of a Vertical Axis Wind Turbine With Deflector Plates
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Topics: Computational fluid dynamics, Flow (Dynamics), Plates (structures), Vertical axis wind turbines
Journal Articles

Effect of Capped Vents on Torque Distribution of a Semicircular-Bladed Savonius Wind Rotor

Umang H. Rathod, Parag K. Talukdar, Vinayak Kulkarni, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. October 2019, 141(10): 101201.
Paper No: JERT-19-1095
https://doi.org/10.1115/1.4043791
Published Online: May 29, 2019
View Article titled, Effect of Capped Vents on Torque Distribution of a Semicircular-Bladed Savonius Wind Rotor
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Topics: Blades, Rotors, Savonius wind turbines, Torque, Vents, Pressure, Flow (Dynamics)
Proceedings Papers

Performance Characteristics of Vertical-Axis Off-Shore Savonius Wind and Savonius Hydrokinetic Turbines

Parag K. Talukdar, Vinayak Kulkarni, Ujjwal K. Saha
Proc. ASME. OMAE2018, Volume 10: Ocean Renewable Energy, V010T09A020, June 17–22, 2018
Publisher: American Society of Mechanical Engineers
Paper No: OMAE2018-78497
https://doi.org/10.1115/OMAE2018-78497
View Paper titled, Performance Characteristics of Vertical-Axis Off-Shore Savonius Wind and Savonius Hydrokinetic Turbines
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Topics: Hydraulic turbines, Ocean engineering, Performance characterization, Savonius wind turbines, Wind, Flow (Dynamics), Climate change, Design, Electricity (Physics), Electromechanical devices