The AeroAcoustic Propulsion Laboratory, (aka “The
Dome”), has proven to be an ideal location for fan, nozzle, and
engine noise tests.
What makes the Dome unique? Topping the list is the
ability to vent the hot engine exhaust through the
large door of the Dome without using noisy flow collectors.
And since anechoic wedges are installed on all surfaces
inside the 65 foot radius geodesic dome, far-field
sound measurements aren’t contaminated by community
noise or by reflections from lab equipment.
The AeroAcoustic Propulsion Lab has access to continuous
flow compressed air at 100 psi, 150 psi, and 450 psi,
as well as to compressed gas trailers (typically natural
gas and hydrogen). Couple these services with the state-of-the-art
instrumentation we have, and it is hard to imagine
a better place to solve complicated aircraft engine noise problems.