Acoustic Testing Chamber at NASA Goddard
Автор: CapticoLLC
Загружено: 2010-11-02
Просмотров: 6783
Описание:
This is the Acoustic Testing Chamber at NASA Goddard.
"In this 42-foot-tall chamber, technicians expose payloads to the noise of a launch. To do that, they rely on 6-foot-tall speakers.
The speakers (more accurately called horns) use an altering flow of gaseous nitrogen to produce a sound level as high as 150 decibels for two-minute tests. That's about the level of sound heard standing next to a jet engine during takeoff.
The speakers are still audible -- at greatly reduced volume -- outside the chamber, even through the insulation of the massive metal doors."
These video clips were captured during NASA Goddard Space Flight Center's inaugural "Tour & Tweet" on October 27, 2010 in Greenbelt, MD.
You can read more about the "Tour & Tweet" at:
http://captico.com/recap-of-nasa-godd...
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