Turbines
HP Impact: The modern world of steel
The World Steel Association recently published the 2012 edition of “World Steel in Figures.” This study provides essential facts and statistics about the global steel industry, including inf..
HP Reliability: Rethink your auditing of lubrication practices
All hydrocarbon processing industry (HPI) facilities use machinery, and every one of these machines requires lubrication of some type. Modern, profitability-minded plants thoughtfully manage their lub..
HP Engineering Case Histories: Case 69: Heat-up rate and rubs on a steam turbine
This column has suggested using simple analytical models to troubleshoot equipment. However, in some cases, a more detailed solution may be required. The following case histories examine the heat up o..
HP Reliability: Avoid unnecessary developments
Innovative thinking is appropriate in the hydrocarbon processing industry, and tremendous forward movement has occurred over the past 30 years. Innovation is to be commended, unless we invent or disco..
Use better designed turboexpanders to handle flashing fluids
New models eliminate vibration problems and improve process reliability
HP Reliability: Selecting steam turbines in a ‘lean’ environment
We received a nice compliment recently from a reader in South America. He wrote: “I am a mechanical engineer working on power plant designs at a major corporation and admire your work as a writer..
HP Innovations: HPInnovations
AESSEAL wins big at IMechE awards   Fig. 1. Award-winning   AESSEAL offers a wide range   of products. The UK-based mechanical seals manufacturer was nominated for seven out o..
GE sees rising gas turbine sales in North America
GE has received more than $1 billion in orders for heavy duty and aeroderivative gas turbines for projects throughout North America in 2011, underscoring a growing trend to use abundant, cleaner-burning natural gas for power generation. That figure is up more than 10% from 2010, the company said.
Rethink lubrication and steam issues on emergency equipment
‘Best available technology’ is a must for backup systems
HP Reliability: How do you size expansion chambers (assuming it is needed)
Expansion chambers (Fig. 1) are designed to restrict pressure increase in closed volumes. From basic physics, we, of course, know that the pressure in a closed volume increases as temperature goes up...
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