Turbines

Lubrication update for rotating equipment

Bloch, H. P., Professional engineer

API-610 is the most widely used pump standard in the petrochemical and refining industries. It includes experience-based recommendations for lubricant applications and one of those recommendations rel..

HP Engineering Case Histories: Case 83: What are useful questions to ask before starting a vibration analysis?

Sofronas, A., Consulting Engineer

Periodically, this author receives questions from readers throughout the world addressing what performance issues could be wrong with a centrifugal compressor that is vibrating. Note: It is impossible..

HP Engineering Case Histories: Case 82: Be cautious when purchasing ‘first of kind’ equipment

Sofronas, A., Consulting Engineer

What is the definition of “first of kind” when discussing equipment and products? The definition used in this editorial is the “first built for your company,” and it can often have..

Update on control and safety systems for turbomachinery

Staroselsky, S., Compressor Controls Corp.; Jacobson, W., McWhirter, J., Compressor Controls

All plant workers want to reduce the safety risk associated with turbomachinery operation while avoiding nuisance trips. The goal is to run machines in an efficient manner. In this context, safety ris..

Raise profitability through continuous performance evaluations

Bhachu, U., Canadian Natural Resources Ltd.

Reliability engineers use a wide variety of tools to support plant equipment and to optimize unit uptime and availability. Sound reliability programs assist organizations to be more competitive in the..

Improve monitoring and troubleshooting of reciprocating compressors

Geitner, F. K., Consultant; Bloch, H. P., Professional engineer

The terms surveillance and monitoring for reciprocating compressors can be used interchangeably. With few exceptions, the monitoring and/or surveillance tasks are assigned to the unit operators. They ..

HP News

Thinnes, Billy, Hydrocarbon Processing Staff

IChemE awards highest professional honor to Shell The Institution of Chemical Engineers (IChemE) awarded its highest honor to Shell in recognition of the company’s worldwide skills and profession..

Update on secondary seals for fluid machines

Bloch, Heinz P., Hydrocarbon Processing Staff; Carmody, C., AESSEAL plc

Elastomer-based O-rings are used as secondary sealing components in millions of fluid machines. Although O-ring seals are primarily intended for fluid containment between different but nonrotating com..

HP Engineering Case Histories: Case 80: Sudden temperature change in a centrifugal compressor

Sofronas, A., Consulting Engineer

A process upset occurred that caused the gas temperature of a centrifugal compressor to increase from the design condition of Tstart = 300°F to Tinf = 600°F in t = 0.25 hours. Some engineers..

HP Viewpoint: Optimize control systems with preventive maintenance

Parisi, P., Compressor Controls Corp.

Ensuring equipment integrity by conducting thorough maintenance provides multiple benefits, from maximizing machine uptime and minimizing process shutdowns, to prolonged equipment service life and imp..