HTRI has conducted extensive testing on a spiral-spiral single-phase flow unit for a wide range of Reynolds (6.5 to 74,000) and Prandtl (3.8 to 2260) numbers. These data were used to evaluate open literature and HTRI methods.
Author: Fernando J. Aguirre/Christopher A. Bennett
As of June 2005, almost 480 PIP Practices in all eight disciplines had been published. Around 560 total Practices are targeted for publication and maintenance. The Civil, Structural, Architectural (CSA) discipline makes up 43 of the total PIP Practices.
Sensors now can provide data on both general and localized corrosion that allow corrosion to be treated as a real-time process variable. Using such data effectively can play an important role in optimizing plant operations.
Author: Dawn C Eden, David A Eden and Russell D Kane, InterCorr International, Inc., Houston, Texas
Several major vendors have now announced plans to fully support enhancements to the electronic device description language (EDDL) used by HART devices, reports Ed Ladd of the HART Communication Foundation. These enhancements will allow users to interact with their intelligent devices in new ways. They ease configuration, even of complex instruments, and support storage of historical data for troubleshooting and diagnostics.
In a random drawing in July, John Cengel of Cognis Corp., Cincinnati, Ohio, was selected to receive a 20-GB iPod for taking part in
Chemical Processing's Readers' Choice Survey. We congratulate John and thank all those who participated in the survey, whose results appear in August's issue.
Want to know which suppliers of products and services your peers think are the best? Readers pick the top technology providers in more than forty categories of products and services employed at chemical plants.
Batch material transfer control seems an easy task to carry out, but the reality is that many functions are necessary if the system is to accomplish accurate batch material transfer control. Weighing systems with device-level controls can help.