Process Control
Improved valve sizing for multiphase flow
HNE-DS method is based on an expansion factor similar to the gaseous media to account for changes in mixture density
HP Control: HPIn Control: Website provides useful advanced process control information
Following is an interview with Dr. Babak Khosrowshahi, the founder of APC-network.com. What is APC-network and what are its objectives? "APC-network brings together a virtual advanced process contro..
Unified automation with digital plant architecture improves gas plant and gathering system operation
Benefits include improved quality control, safety and environmental stewardship, and reduced maintenance costs
HP Control: More about inferential control models
My friend and colleague, Myke King, wrote an article1 proposing rules for dealing with inferential control models. For the most part, I agree with the arguments, and especially enjoyed the funny illus..
Improve yield accounting by including density measurements explicitly
Reconcile both mass and volume simultaneously
Avoid these mistakes when installing a flare flowmeter
New environmental regulations mandate reporting mass rates for hazardous compounds at flares. Apply these common sense guidelines and streamline meter selection
HP Control: Has the advanced process control industry completely collapsed?
I stopped writing   editorials for a while because people were uncomfortable reading them. But I have finally decided against burying my head in sand. We ? control engineers ? should discu..
Consider modeling transient state reactions with spreadsheets
New techniques streamline analyzing process control variables
HP Control: The role of IT in controls: Is it time to change your support model?
When computers entered the world of process control, they were large monolithic machines. Since they were, after all, computers, many companies took the stance that the machines belonged to, and would..
NIR analyzer installation in multiple product streams
Using multipurpose instrumentation can save time and money
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