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RISCapturing the Dynamic Stall in H-Type Darrieus Wind Turbines Using Different URANS Turbulence Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The occurrence of dynamic stall phenomenon in an H-type Darrieus wind turbine with low tip speed ratio (TSR) has been numerically investigated on a single-bladed rotor with NACA 0012 airfoil. The Reynolds number (Re) ∼105 ...
A New Method to Develop Homogeneous and Heterogeneous Porous Micromodels Applicable to Enhanced Oil Recovery and Flow Visualization Experiments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new method to fabricate micromodels having homogeneous and heterogeneous porous structures is reported to gain fundamental insight into the flow through porous media. The technique of microparticle image ...
Evolving a Novel Blade Shape of a Savonius Wind Rotor Using an Optimization Technique Coupled With Numerical Simulations and Wind Tunnel Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The global adoption of Savonius wind rotors as an eco-friendly means of small-scale power production is on the rise. However, their suboptimal performance remains a significant challenge due to the generation of higher ...
Impact of Intake Charge Preheating on a Biogas Run Dual Fuel Diesel Engine Using Ternary Blends of Diesel-Biodiesel-Ethanol
Publisher: American Society of Civil Engineers
Abstract: In the pursuit of minimizing a considerable amount of imported fossil diesel and greenhouse gas (GHG) emissions, green fuels like biodiesel, ethanol, and biogas can be used efficiently under dual fuel mode (DFM) of a diesel ...
Effect of Intake Charge Preheating and Equivalence Ratio in a Dual Fuel Diesel Engine Run on Biogas and Ethanol-Blended Diesel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dual fuel diesel (DFD) engines have been gaining popularity due to the flexibility of using both bio and fossil liquid and gaseous fuels. Further, the efficient combustion in DFD mode with bio liquid and gaseous fuel can ...
Four Decades of Research Into the Augmentation Techniques of Savonius Wind Turbine Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The design and development of wind turbines is increasing throughout the world to offer electricity without paying much to the global warming. The Savonius wind turbine rotor, or simply the Savonius rotor, is a drag-based ...
Evolution and Progress in the Development of Savonius Wind Turbine Rotor Blade Profiles and Shapes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The blade profiles and blade shapes of vertical-axis Savonius wind turbine rotors have undergone a series of changes over the past three decades. Wind turbine aerodynamicists have carried out numerous computational and ...
Examining the Aerodynamic Drag and Lift Characteristics of a Newly Developed Elliptical-Bladed Savonius Rotor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The elliptical-bladed Savonius wind turbine rotor has become a subject of interest because of its better energy capturing capability. Hitherto, the basic parameters of this rotor such as overlap ratio, aspect ratio, and ...
A Critique on the Research Activities and Potential Benefits of Dual-Fuel Diesel Engines Run on Biogas and Oxygenated Liquid Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dual fuel concept of diesel engines is gaining popularity because of their ability to use alternative renewable gaseous fuels (natural gas, biogas, producer gas) and liquid fuels (biodiesel, alcohol, and others) ...
Drag and Lift Characteristics of a Novel Elliptical-Bladed Savonius Rotor With Vent Augmenters
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Savonius rotor, a class of drag-driven vertical axis wind turbine, has been extensively investigated mainly to calculate the torque and power coefficients (CT and CP) by various investigators. Hitherto, studies related to ...