Simple Ring Deflector Boosts Thrust of Electric Ducted Fans for Air Taxis
Researchers report that a circumferential intake flow deflector raises net thrust by 2.32 percent and cuts torque by 2.83 percent...
Inside the Chip Labs: New Ventilation Design Cuts Worker Exposure to Cutting Dust and Fumes
A field study in semiconductor failure-analysis labs shows that a redesigned hybrid containment workbench redirects cutting-generated dust and volatile organic...
Blood Flow Simulations From Routine Scans Could Flag Dangerous Carotid Plaques Without MRI
A pilot study from the University of Bern shows that computational fluid dynamics built from routine CT angiography and ultrasound...
X-ray microscope reveals how nanoparticles dance to different rhythms in swirling flows
By combining millisecond-resolution X-ray scatter microscopy with polarized light imaging, researchers have shown that plate-like and rod-like nanoparticles respond in...
Twisting Blades Could Give Tilt-Rotors a Hovering Efficiency Boost
Researchers in Beijing show that actively re-twisting rotor propeller blades for hover raises hovering efficiency from 68.05% to 73.22% while...
Tiny Pin-Fin Swirls Boost Mist Cooling for Hotter, Safer Jet Engines
A new numerical study shows that a pin fin-shaped vortex generator placed upstream of a cylindrical film cooling hole creates...
High-Order Flux Reconstruction Method Brings Sharper Simulations to Two-Phase Pipeline Flow
Brazilian researchers have, for the first time, applied a very high-order Flux Reconstruction method to the two-fluid four-equation pipeline model,...
Two Urban Climate Models Put to the Test in Singapore’s Tropical High-Rise Streets
A first-of-its-kind validation study shows that the PALM-4U and urbanMicroclimateFOAM models can accurately reproduce temperature, humidity and radiant heat in...
Why Variable-Thrust Rocket Nozzles Push Sideways: New Study Quantifies Thrust Eccentricity
A new numerical study shows that thrust eccentricity in pintle-controlled solid rocket motors stems from the side-inlet flow asymmetry and...
Hydrogen Blends Slash Gas Turbine Emissions in Swirl-Stabilized Combustion Simulations
A new numerical study shows that enriching methane with 35 percent hydrogen in a swirl-stabilized gas turbine combustor cuts carbon...
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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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