The pressure-neutral acoustic wind tunnel is a closed-loop, open section wind tunnel. The facility has recently undergone a series of major upgrades which include: a new motor and control system for ...

One key area of research has been the influence of train speed on tunnel aerodynamic effects. Studies have shown that as the speed of a maglev train increases, the pressure changes around the ...

China's largest shield tunneling machine cutter head, with a record-breaking diameter of 16.64 meters, descended at the ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

A maximum stagnation temperature of 870K (1100F) at a maximum stagnation pressure of 10 MPa (1500 psia) is possible; run times will vary from approximately 2 to 10 minutes. The tunnel operating ...

Carpal tunnel syndrome is numbness, tingling, weakness, and other problems in your hand because of pressure on the median nerve in your wrist. This nerve runs through the carpal tunnel, which is found ...