Typical tests monitor up to 1200 channels of response data. The pressure tanks, piping systems, and pumping systems can use either oil, fresh water, or salt water as the pressure medium. Water may be chilled to near zero Celsius. Test articles may be cycled in the tanks for fatigue evaluation by two methods, soft or hard cycling. Soft cycling is a method by which the pressure in the tank is held constant and the test article s internal pressure is cycled.
Hard cycling subjects the pressure test tank to the same fatigue cycles as the test article.
This information resides on a DOD interest computer. Important conditions, restrictions, and disclaimers apply.