Stock Picture of an Atmospheric Entry Simulator #7495


#7495 Stock Picture of an Atmospheric Entry Simulator by JVPD
Black and white stock photo of the Atmospheric Entry Simulator at NASA’s Ames Research Center, Moffett Field, California January 1st 1959. Visible in the foreground is a large tank containing air under high pressure. In the middle ground directly behind it is a special trumpet- shaped nozzle, contured so that air flowing through it gradually changes in density in the same way that the Earth’s atmosphere changes in density with altitude. Not visible in this photograph is a high speed gun used to launch a test model at earth re-entry speed (17,000 mph) upstream through a special nozzle while air is flowing through it. Technicians are adjusting the spark shadowgraph station required to make accurate picture and time recording of the model in flight. When a gun-launched model flies at full re-entry velocity into the simulator nozzle, it experiences the decelerations, stresses, pressures and temperatures of actual re-entry during a few thousandths of a second. The simulator can quickly and economically determine in the laboratory whether a specific design can survive atmospheric re-entry.

Photo Credit: NASA [0003-0703-1500-0617] by 0003

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Keywords

air density, air tank, ames research center, atmospheric entry simulator, flight research, nasa, tank, wind tunnels