The Tube failure characterization (CCPS GPREH2 trim) closed with the nine ISO 23251:2008 aspects that bear on the likely failure mode.1 The following evaluation criteria are recommended to help determine the effects that those aspects…
Read More »Tube failure in a shell-and-tube heat exchanger is the common structural-failure basis for overpressure protection.1 Before the relief load can be sized, the designer has to decide what kind of failure to design for. The…
Read More »There are multiple sources of vibration in piping that can lead to failures, usually occurring at welds, penetrations, or other ‘discontinuities’. The EI Guidelines for the Avoidance of Vibration Induced Fatigue Failure in Process Pipework1…
Read More »The Center for Chemical Process Safety (CCPS) defines process safety time as “the time period between a failure occurring in the process or its control system and the occurrence of the hazardous event.”1 Process safety…
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