Fuel System
Accelerated Life Testing
Office of Automotive Engineering



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image: In this contamination sensitivity evaluation, staff members introduce controlled amounts of contaminant into the fuel delivery subsystem assemblies as they undergo severe laboratory testing.

In this contamination sensitivity evaluation, staff members introduce controlled amounts of contaminant into the fuel delivery subsystem assemblies as they undergo severe laboratory testing.

 

image: Results of severe laboratory testing

Results of severe laboratory testing

Fuel system and contamination research engineers at Southwest Research Institute (SwRI) work closely with industry to develop accelerated-life testing methods to determine the expected life of components and systems, particularly those subject to premature failure.

In establishing accelerated-life testing programs, engineers may:

  • Use pre- and post-test boundary analyses to identify and evaluate critical parameters
  • Apply classical or modern accelerated-life assessment methodologies
  • Interrogate machine performance by introducing controlled contaminants
  • Evaluate component and systems design and construction to determine vulnerability

Engineers have developed a series of fuel-system simulations representing 36,000 to 150,000 miles of vehicle operation.

Related Terminology

contaminants  •  fuel components  •  fuel system components  •  powertrain components  •  air induction systems  •  lubricant systems  •  automotive safety  •  vehicle performance  •  contamination damage  •  fuel injectors  •  functionality testing  •  contamination sensitivity and durability testing  •  contaminant chemical composition determination  •  contaminant particle size evaluation

Benefiting government, industry and the public through innovative science and technology
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 10 technical divisions.
05/14/14