By David Sear

The International Society of Automation (ISA) recently announced the first-edition release of Fluid Mechanics of Control Valves: How Valves Control Your Process, a practical reference guide to proper control valve design, selection, and operation.
Written by Hans D. Baumann, Ph.D., PE—a world-renowned expert on control valve technology who will need no introduction to readers of Valve World—the book reflects the latest understanding of how fluid mechanics and acoustics affect control valve performance.
“The book is primarily targeted to instrument and process engineers needing fundamental knowledge about control valves and their role in industrial process control systems,” says Dr. Baumann, who is credited with more than 100 patents relating to control valves. “In addition to outlining the mechanical and functional value and importance of control valves, it helps engineers avoid destructive effects, such as cavitation, fluid-induced vibration, and excessive sound levels.” 
Dr. Baumann continues: “furthermore, the book includes up-to-date valve sizing equations and reference tables for selecting the proper type and size of a control valve for a given application. This makes it a valuable reference and technical guide for practicing professionals as well as for college students studying automatic control theory.” 
For the benefit of international readers, examples and equations are presented in metric as well as US customary terms and measurements.

How to order your copy 
To purchase a copy of Fluid Mechanics of Control Valves: How Valves Control Your Process please go to: and enter ‘Baumann’ in the search field. This will give a whole list of content for Dr. Baumann, including links to many of his publications as well as a recent Q&A interview in which he discusses just why he wrote his latest control valve book.

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