Instead of trying to make an air-tight piston ... As the piston retracts, the ball closes the inlet valve, the outlet valve of the intermediate chamber is opened, forcing the diaphragm to push ...

A fully coupled thermo-fluid–solid FE model predicts temperature distribution and cracking risk in mass-reinforced concrete structures with air-pipe cooling.

(NASDAQ: XTIA) ("XTI" or the "Company"), a pioneer in VTOL and powered-lift aircraft solutions, today announced the successful update of its engine air inlet and exhaust system design, achieving a ...