Abstract: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 tem… Show more
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