Author Archives

ISA New Orleans Section

Presidents Message – June 2019

ISA New Orleans Section hosted a successful Symposium and Expo on Friday, May 31. I would like to thank all the Expo vendors and sponsors – Accutrol, aeSolutions, Appleton, ArtZat Consulting, Denison Technologies, EMR Associates, HMS Networks, Michelli Weighing and Measurement, Red Trident, The Reynolds Company, TriNova, and Weidmuller. I would also like to thank our Symposium speakers, Arthur Zatarain, PE and Paul Gruhn, PE, CFSE.

Presidents Message – May 2019

ISA New Orleans Section, We had a great tour of G.T. Michelli Company in Harahan on Tuesday.  Joel McMullen and team really rolled out the red carpet for New Orleans Section and provided an outstanding lunch, presentation, and tour.  We learned quite a bit about weighing and measurement […]

May 2019 Section Tour

Michelli Weighing & Measurement Thank you to Michelli Weighing & Measurement for an incredible event! Michelli welcomed the ISA New Orleans Section for its May meeting. The event included a catered lunch, presentation about Michelli’s history and services, and a tour of their state-of-the-art calibration lab. About Michelli […]

Presidents Message – April 2019

ISA New Orleans Section, Thanks to everyone who attended this month’s meeting presented by Greg McMillan on compressor surge modeling and control.  We received great feedback from many who attended the meeting in person or via the web broadcast.  If you missed it, you can pull a copy […]

April 2019 Section Meeting

Axial and centrifugal compressor control is exceptionally challenging due to the extraordinary speed and severity of problems and the extreme
consequences in terms of plant safety and performance. The fastest and most dangerous phenomenon is surge. An axial or centrifugal compressor in surge can reverse flow in 0.03 seconds going from a large positive flow to a large negative flow. Often, the negative flow is not measurable by flow meters leaving the actual situation to your imagination.