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Ujjwal K. Saha
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Journal Articles

Influence of Reynolds Number on Aerodynamic and Performance Coefficients of a Novel Parabolic-Bladed Savonius Wind Rotor

Man Mohan, Parag K. Talukdar, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. November 2024, 146(11): 111801.
Paper No: JERT-24-1290
https://doi.org/10.1115/1.4065954
Published Online: July 26, 2024
View Articletitled, Influence of Reynolds Number on Aerodynamic and Performance Coefficients of a Novel Parabolic-Bladed Savonius Wind Rotor
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Topics: Blades, Rotors, Savonius wind turbines, Wind, Reynolds number
Journal Articles

Evolving a Novel Blade Shape of a Savonius Wind Rotor Using an Optimization Technique Coupled With Numerical Simulations and Wind Tunnel Tests

Man Mohan, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. April 2024, 146(4): 041301.
Paper No: JERT-23-1509
https://doi.org/10.1115/1.4064529
Published Online: February 13, 2024
View Articletitled, Evolving a Novel Blade Shape of a Savonius Wind Rotor Using an Optimization Technique Coupled With Numerical Simulations and Wind Tunnel Tests
Open the PDF for Evolving a Novel Blade Shape of a Savonius Wind Rotor Using an Optimization Technique Coupled With Numerical Simulations and Wind Tunnel Tests in another window
Topics: Blades, Optimization, Rotors, Savonius wind turbines, Wind, Wind tunnels, Computer simulation, Turbulence, Optimization algorithms
Journal Articles

A New Method to Develop Homogeneous and Heterogeneous Porous Micromodels Applicable to Enhanced Oil Recovery and Flow Visualization Experiments

Najrul Haque, Anugrah Singh, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. October 2023, 145(10): 102601.
Paper No: JERT-22-1698
https://doi.org/10.1115/1.4057032
Published Online: April 17, 2023
View Articletitled, A New Method to Develop Homogeneous and Heterogeneous Porous Micromodels Applicable to Enhanced Oil Recovery and Flow Visualization Experiments
Open the PDF for A New Method to Develop Homogeneous and Heterogeneous Porous Micromodels Applicable to Enhanced Oil Recovery and Flow Visualization Experiments in another window
Topics: Flow (Dynamics), Flow visualization, Fluid dynamics, Porosity, Porous materials, Pressure drop, Plasma desorption mass spectrometry, Manufacturing, Tertiary petroleum recovery, Particulate matter
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
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Review Articles
J. Energy Resour. Technol. November 2022, 144(11): 110801.
Paper No: JERT-22-1064
https://doi.org/10.1115/1.4054175
Published Online: April 26, 2022
View Articletitled, A Comprehensive Review on Analytical Formulations of Wind Turbine Wake Models and Future Scope in the Development of Wind Farms of Assorted Configurations
Open the PDF for A Comprehensive Review on Analytical Formulations of Wind Turbine Wake Models and Future Scope in the Development of Wind Farms of Assorted Configurations in another window
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
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2022, 144(9): 091303.
Paper No: JERT-21-1880
https://doi.org/10.1115/1.4053579
Published Online: February 22, 2022
View Articletitled, Wind Tunnel Probe Into an Array of Small-Scale Horizontal-Axis Wind Turbines Operating at Low Tip Speed Ratio Conditions
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Topics: Flow (Dynamics), Rotors, Turbines, Wakes, Wind tunnels, Blades, Wind farms, Horizontal axis wind turbines
Journal Articles

Wind Tunnel Tests of a Model Small-Scale Horizontal-Axis Wind Turbine Developed From Blade Element Momentum Theory

Ojing Siram, Niranjan Sahoo, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. June 2022, 144(6): 064502.
Paper No: JERT-21-1733
https://doi.org/10.1115/1.4052774
Published Online: November 9, 2021
View Articletitled, Wind Tunnel Tests of a Model Small-Scale Horizontal-Axis Wind Turbine Developed From Blade Element Momentum Theory
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Topics: Airfoils, Blades, Design, Horizontal axis wind turbines, Momentum, Rotors, Wind tunnels
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 Articletitled, 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

A Compendium of Methods for Determining the Exergy Balance Terms Applied to Reciprocating Internal Combustion Engines

Bibhuti B. Sahoo, Maryom Dabi, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Review Articles
J. Energy Resour. Technol. December 2021, 143(12): 120801.
Paper No: JERT-21-1471
https://doi.org/10.1115/1.4051740
Published Online: July 30, 2021
View Articletitled, A Compendium of Methods for Determining the Exergy Balance Terms Applied to Reciprocating Internal Combustion Engines
Open the PDF for A Compendium of Methods for Determining the Exergy Balance Terms Applied to Reciprocating Internal Combustion Engines in another window
Topics: Exergy, Fuels
Journal Articles

Experimental Visualization and Analysis of Multiphase Immiscible Flow in Fractured Micromodels Using Micro-Particle Image Velocimetry

Najrul Haque, Anugrah Singh, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Briefs
J. Energy Resour. Technol. February 2022, 144(2): 024501.
Paper No: JERT-20-2168
https://doi.org/10.1115/1.4050958
Published Online: May 13, 2021
View Articletitled, Experimental Visualization and Analysis of Multiphase Immiscible Flow in Fractured Micromodels Using Micro-Particle Image Velocimetry
Open the PDF for Experimental Visualization and Analysis of Multiphase Immiscible Flow in Fractured Micromodels Using Micro-Particle Image Velocimetry in another window
Topics: Flow (Dynamics), Fracture (Materials), Fracture (Process), Microparticles, Fluids, Visualization, Two-phase flow, Fluid dynamics, Porous materials, Particulate matter
Journal Articles

Capturing the Dynamic Stall in H-Type Darrieus Wind Turbines Using Different URANS Turbulence Models

Siddhant Jain, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2020, 142(9): 091302.
Paper No: JERT-20-1068
https://doi.org/10.1115/1.4046730
Published Online: April 8, 2020
View Articletitled, Capturing the Dynamic Stall in H-Type Darrieus Wind Turbines Using Different URANS Turbulence Models
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Topics: Blades, Turbulence, Vortices, Flow (Dynamics), Rotors, Airfoils, Separation (Technology), Wind turbines, Suction, Turbines
Journal Articles

The State-of-the-Art Technology of H-Type Darrieus Wind Turbine Rotors

Siddhant Jain, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Review Articles
J. Energy Resour. Technol. March 2020, 142(3): 030801.
Paper No: JERT-19-1179
https://doi.org/10.1115/1.4044559
Published Online: September 6, 2019
View Articletitled, The State-of-the-Art Technology of H-Type Darrieus Wind Turbine Rotors
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Topics: Blades, Rotors, Turbulence, Vortices, Flow (Dynamics)
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 Articletitled, 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)
Journal Articles

Examining the Aerodynamic Drag and Lift Characteristics of a Newly Developed Elliptical-Bladed Savonius Rotor

Nur Alom, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. May 2019, 141(5): 051201.
Paper No: JERT-18-1273
https://doi.org/10.1115/1.4041735
Published Online: January 9, 2019
View Articletitled, Examining the Aerodynamic Drag and Lift Characteristics of a Newly Developed Elliptical-Bladed Savonius Rotor
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Topics: Drag (Fluid dynamics), Rotors, Savonius wind turbines, Turbulence, Blades, Pressure, Simulation
Journal Articles

Four Decades of Research Into the Augmentation Techniques of Savonius Wind Turbine Rotor

Nur Alom, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Review Articles
J. Energy Resour. Technol. May 2018, 140(5): 050801.
Paper No: JERT-17-1620
https://doi.org/10.1115/1.4038785
Published Online: January 22, 2018
View Articletitled, Four Decades of Research Into the Augmentation Techniques of Savonius Wind Turbine Rotor
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Topics: Blades, Rotors, Savonius wind turbines, Torque, Wind, Design, Wind tunnels, Drag (Fluid dynamics)
Journal Articles

Effect of Intake Charge Preheating and Equivalence Ratio in a Dual Fuel Diesel Engine Run on Biogas and Ethanol-Blended Diesel

Achinta Sarkar, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. April 2018, 140(4): 041802.
Paper No: JERT-17-1319
https://doi.org/10.1115/1.4038624
Published Online: December 22, 2017
View Articletitled, Effect of Intake Charge Preheating and Equivalence Ratio in a Dual Fuel Diesel Engine Run on Biogas and Ethanol-Blended Diesel
Open the PDF for Effect of Intake Charge Preheating and Equivalence Ratio in a Dual Fuel Diesel Engine Run on Biogas and Ethanol-Blended Diesel in another window
Topics: Biogas, Diesel, Emissions, Engines, Ethanol, Fuels, Torque, Brakes
Journal Articles

Estimating the Theoretical Performance Limits of a Biogas Powered Dual Fuel Diesel Engine Using Emulsified Rice Bran Biodiesel as Pilot Fuel

Bhaskor J. Bora, Ujjwal K. Saha
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2016, 138(2): 021801.
Paper No: JERT-15-1201
https://doi.org/10.1115/1.4031836
Published Online: November 12, 2015
View Articletitled, Estimating the Theoretical Performance Limits of a Biogas Powered Dual Fuel Diesel Engine Using Emulsified Rice Bran Biodiesel as Pilot Fuel
Open the PDF for Estimating the Theoretical Performance Limits of a Biogas Powered Dual Fuel Diesel Engine Using Emulsified Rice Bran Biodiesel as Pilot Fuel in another window
Topics: Biogas, Diesel engines, Exergy analysis, Fuels, Water, Biodiesel, Emissions