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Home » Authors » Miles Ryan P.E.
Miles Ryan P.E.

Miles Ryan P.E.

Miles Ryan is a commissioning engineer at Questions & Solutions Engineering. As a major in the Air Force Reserves, he serves as a mechanical systems instructor at the Air Force Institute of Technology. Contact him at miles.ryan@qseng.com.

Articles

ARTICLES

Lag pump stage

Commissioning Lead/Lag Pumping Operations: Part III, Functional Testing and Optimization

Lead/lag pumping operations are common control sequences that are littered with nuances that oftentimes prevent them from being properly implemented.
Es cx headshot 900x550
Miles Ryan P.E.
March 7, 2023
No Comments

Lead/lag pumping operations are common control sequences that are littered with nuances that oftentimes prevent them from being properly implemented.


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Secondary chilled water pumps

Commissioning Lead/Lag Pumping Operations: Part II, The Sequence of Operation

Examining lead/lag control sequences for variable-speed distribution pumps.
Es cx headshot 900x550
Miles Ryan P.E.
February 7, 2023
4 Comments

Examining lead/lag control sequences for variable-speed distribution pumps.


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The pump speed is modulated to maintain system differential pressure.

Commissioning Lead/Lag Pumping Operations: Part I, Identifying a Designer’s Intent

If a system was designed to operate in lead/lag, but lead/standby was implemented, it would not be able meet the flow requirements during the highest load periods.
Es cx headshot 900x550
Miles Ryan P.E.
January 9, 2023
No Comments

If a system was designed to operate in lead/lag, but lead/standby was implemented, it would not be able meet the flow requirements during the highest load periods.


Read More
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