August 2020

Heat Transfer

Performance deterioration by weep hole in a lube oil cooler

The hydrocarbon processing industry (HPI) uses various rotating machines, such as pumps, compressors, blowers and turbines.

Kim, J.-Y, Hyundai Engineering & Construction; Lee, T.-R, SK Engineering & Construction Co. Ltd.

The hydrocarbon processing industry (HPI) uses various rotating machines, such as pumps, compressors, blowers and turbines. A rotating machine is normally supplied with a lube oil system: a closed-loop system with an oil pump, an oil cooler, a filter, an oil reservoir and other devices, if necessary, as shown in FIG. 1. FIG. 1. Simple diagram of lube oil system in a rotating machine. A lube oil cooler within the lube oil system is used to eject frictional heat from bearing, jacket, seal devices and other rotation parts. A lube oil cooler is usually a small shell-and-tube type water cooler and is designed with client specifications and/or in com

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