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Published on April 1, 2016

Applying thermostatic principles to test hoses

The constant request to cycle test hoses with more challenging variables has led aerospace and automotive industries to fully implement test stands that run impulse testing simultaneous with a climactic chamber. 
The variation of ambient temperature in brakes, air conditioner and power steering hoses, as well deep negative temperature or hot ambient temperature used in aerospace applications continuously has intensified the search for an optimum methodology. This is is a combination of cycling and environment tests run at the same time to meet current SAE aerospace specifications fully as well as norms defined by the automotive companies. 
This paper discusses implementation of a similar procedure for hydraulic hoses to make possible the development and certification under these very same conditions, which also will be used to meet requirements to develop and certify compressed natural gas (CNG) hoses and automotive hoses.

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