March 2011

Engineering Case Histories

Case 61: Pressure loss in a reactor

Much information is available from a simple analysis

Sofronas, A., Consulting Engineer

There are times in one’s career when a quick decision is needed so a design will proceed in the correct direction. This may be in a design review meeting where different views are being presented on a systems modification. Case history. In this example, the drawings for a pilot reactor were being reviewed. The design had been modified from an originally proposed rounded-head design, which had been feared to create a “dead space.” It now included a flat plate to eliminate the “dead space” in the reactor head so that fouling would not occur in that region. Fig. 1 illustrates a simplified view of the reactor.     Fig. 1. Reactor flow with head i

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