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Back Issue
July 2007, Vol. 103, No. 7
In This Issue
COVER STORY
Realistically Predict Capacity and Pressure Drop for Packed Columns
Generalized pressure-drop correlation (GPDC) charts have been the standard for predicting packing flood points and pressure drops. This article guides engineers on the correct and incorrect uses of the GPDC interpolation procedure, and updates the method for today's new state-of-the-art packings.
Henry Z. Kister, Jeffrey Scherffius, Khashayar Afshar and Emil Abkar
ADDENDUM TO COVER STORY
Original Paper as presented at the 2007 Spring National Meeting
GPDC Interpolation: Use, Misuse and Updates
NEWS FEATURE
Discussing Climate-Change Challenges
The U.S. is still at odds with other developed nations when it comes to a strategy for reducing greenhouse gas emissions. At the G8 Summit, President Bush opposed a pact advocated by German Chancellor Angela Merkel calling for CO2 emissions to be cut in half by 2050.
Matthew McKeon-Slattery
SAFETY
Designing Multiple-Diameter Relief Piping
Most design methods consider a single pipe diameter. Here's how to evaluate multiple-diameter systems and to calculate conservative single-pipe representations.
John Garvin and J. D. O'Shea
INFORMATION TECHNOLOGY
Effectively Manage the Lifecycle of a Product
By incorporating the batch standards S88 and S95 into the entire product lifecycle, companies can optimize their processes and project management. This enables them to rapidly get their products to market — a critical factor in staying competitive.
Baha Korkmaz and Marty Martin
Sponsored Link
ABZ Inc. - Free Download of Design Flow Software
Hydraulic analysis of complex piping and effective solutions to fluid flow problems.