Purdue’s Joseph Jewell looking through the HYPULSE reflected shock/expansion tunnel at the Hypersonics and Applied Research Facility on campus. Jewell was nominated this week by President Trump as the ...

The size of the wake decreases, indicating that the boundary layer separation on the cylinder or sphere occurs further along the surface than before. What has happened? The phenomenon is related to ...

The SR-72 “Son of Blackbird,” successor to the iconic SR-71, reportedly achieves astonishing speeds up to Mach 6 using ...

Joseph S. Jewell of Indiana is among names whose nominations have been sent to the Senate and listed on whitehouse.gov.

Readily available but underused Doppler radar data can help predict the height of the planetary boundary layer - the lowest part of the atmosphere and ...

The Boundary Layer Wind Tunnel in the Hele-Shaw Laboratory within the ... allowing steady flow velocities between 0.5 m/s and 35 m/s, with exceptionally low turbulence intensity. The test section, ...

Fractal Antenna Systems has introduced Acoustic Resonance Mitigation (ARM), a technology that disables drones using directed ...

"If the boundary layer on a hypersonic vehicle is exposed to atmospheric turbulence along its flight path, aerodynamic drag and heat on the vehicle will increase significantly, affecting control ...

The boundary layer of the canopy is determined by the ... The rougher the canopy, the greater the wind turbulence it creates, and the more wind (and therefore CO 2 and water vapor) moves between ...