Truck aerodynamics review finds combined drag-cutting devices can trim fuel use by up to 8%
A systematic review of 347 studies finds that combined aerodynamic devices on heavy-duty trucks can cut drag by up to ...
Tag: drag reduction
Genetic Algorithm Finds Perfect Spots for Plasma Actuators That Slash Drag by 55 Percent
A Kriging-enhanced genetic algorithm identified trailing-edge corner placement of steady DBD plasma actuators on a square cylinder, cutting drag by ...
Traveling Wall Waves Cut Turbulent Drag by Up to 66.6% in Supersonic Channel Flow
Direct numerical simulations show that streamwise-traveling waves of spanwise wall velocity can reduce or increase friction drag in compressible turbulent ...
New Interface Speeds Up Conceptual Design of Subsonic Airplanes and Gliders
Researchers have developed a user-friendly interface that estimates optimal wing and fuselage shapes, engine power and range for subsonic airplanes ...
Opposing Jet Slashes Hypersonic Drag Even at Angle of Attack
Combined wind tunnel tests and simulations at Mach 6 show an opposing jet cuts blunt-body drag by up to 32.67 ...
Reinforcement learning curbs drag in turbulent bluff-body wakes
A wind-tunnel reinforcement-learning system reduced drag and saved energy in a turbulent bluff-body wake, outperforming model-based baselines two to fourfold.
How Materials Science Builds the World’s Fastest Competitive Swimsuits
A new review reveals how fiber blends, warp knitting, hydrophobic coatings, shark-inspired riblets, beetle pit structures, and compression engineering combine ...
Synthetic Jets Trim a Station Wagon’s Drag—but Burn More Energy Than They Save
CFD simulations of a station wagon fitted with synthetic jet actuators show wake control can cut drag by about 1 ...
Evolutionary Algorithms Reveal Optimal Shapes for Ultra-Thin, Bio-Inspired Drone Wings
Tokyo Metropolitan University researchers used evolutionary algorithms and zero-thickness simulations to find corrugated airfoil shapes that minimize drag or maximize ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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