High-Pressure Injection Fuel System Wear Study

Bessee, Gary B.; Yost, Douglas M.; Jones, Gordon J.; Becktel, David; Meyer, T.; Davis, Stephen D.; Wersal, Douglas; Lilly, Keith; Miller, Roger G.; Needelman, William M.; Dueck, Lorin

doi:10.4271/980869

Cited by 7 publications

(1 citation statement)

References 2 publications

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“…Lacey [7] also investigated wear with low lubricity fuels and development of a wear mapping technique. Bessee and Yost et al [8] experimentally determined critical particle size for a high-pressure injection system causing wear. Khonsari and Pascovici et al [9] presented a model for evaluating the flash temperature between a fixed, rigid particle embedded into the bearing over-layer during scuffing.…”

Section: Introductionmentioning

confidence: 99%

Scuffing Failure Analysis Due to an Abrasive Contaminant in High Pressure Injection Fuel System

Sultana

Rehman

Rashid

et al. 2005

World Tribology Congress III, Volume 2

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The presence of rigid abrasive contaminant between the plunger and sleeve of high-pressure injection fuel system causes scuffing failure. The abrasive contaminant is modeled as a spherically shaped rigid particle. The contaminant is envisioned to penetrate into the sleeve while positioning itself in rubbing contact with the plunger. Excessive temperature rise known as flash temperature between the particle-plunger interface is used as an indication of whether scuffing would take place. The model uses flash temperature in conjunction with the material properties to determine the critical particle size that may result in scuffing failure. The range of critical particle size initiating significant abrasive wear is determined and validated with the experimental results available in literature. Our predicted model can be used as a guide for selecting an appropriate filter size for high-pressure injection fuel system.

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Section: Introductionmentioning

confidence: 99%