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An engine test stand is a facility used to develop, characterize and test engines. The facility, often offered as a product to automotive OEMs , allows engine operation in different operating regimes and offers measurement of several physical variables associated with the engine operation.
The engine test cell was originally used for aircraft engines. It was about 130 feet (40 m) by 30 feet (9 m) with a height of 25 feet (8 m). It is now called the Equipment Test Chamber and is used mainly for tanks, trucks, and other equipment. The original building had small tests rooms for desert, hot, marine, and jungle conditions.
At one time or another, the center has operated 58 aerodynamic and propulsion wind tunnels, rocket and turbine engine test cells, space environmental chambers, arc heaters, ballistic ranges and other specialized units. Twenty-seven of the center's test units have capabilities unmatched elsewhere in the United States; 14 are unique in the world.
The air intake and exhaust systems of indoor engine test cells and hush houses are designed to block the transmission of noise, while optimizing the engine air flows. The engine exhaust, after having been thoroughly mixed with cooling air, is generally discharged through a vertical stack.
The AEDC Sea Level Test Cells, located at Arnold Engineering Development Complex, is a collection of test cells used to economically perform durability testing on large augmented turbine engines at near sea level conditions. All test units in the facility are owned by the United States Air Force and currently operated by National Aerospace ...
The Engine Test Cell Facility, commonly referred to as the "Hush House," is a multi-function building used to perform diagnostic, troubleshooting and follow-on maintenance testing on uninstalled engines and high powered installed engine testing while the engine is in the F-16 aircraft.
The base is home to the Arnold Engineering Development Complex (AEDC), the most advanced and largest complex of flight simulation test facilities in the world. The center operates 58 aerodynamic and propulsion wind tunnels, rocket and turbine engine test cells, space environmental chambers, arc heaters, ballistic ranges and other specialized units.
A core engine was tested in the Evendale, Ohio, altitude test cell to check blade vibrations and engines 003, 004, and 007 were assembled in 2017, and the fourth engine was used for flight testing later in the year from Victorville, California.