Browse Publications Technical Papers 2007-01-4139

Effect of Contamination on Filter Performance 2007-01-4139

Excessive wear and malfunctions in fluid power handling systems are often caused by contaminants or small particles that may be built-in, self-generated, or ingested from the environment. Filtration subsystems in such systems are designed to prevent these problems from happening. However, machine performance degradation, shortened service life, and even catastrophic failures are occasionally encountered in the real world. Then, what is the missing linkage? This paper tries to address the issue using a multi-disciplinary approach that employs failure analyses, laboratory experimentation, predictive correlation, and concurrent engineering with an emphasis on contaminant characterization and filtration strategies. Practical contamination analysis methodologies are discussed via examples and case studies.


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