What’s lurking in your traditional open cooling tower basin? There is increasing concern about the sediment build-up, algae growth, and bacteria growth in open cooling …
Open Cooling Tower Pump Suction Piping Part 1
Centrifugal pumps find open cooling tower applications are the toughest duty there is in hydronic cooling systems. Pumps do best with piping systems that provide …
Water Side Economizers Part 3: Cooling Tower Temperatures
Many northern state energy codes require economizers for chilled water systems. Waterside economizers per ASHRAE 90.1-2013 and 2010 shall provide up to 100% of the …
Minimum Flow in a Variable Speed Pump: A Great Example
What is the minimum flow rate a variable speed pump can provide without damage to the pump? This is a question every engineer should ask …
Parallel Pumping with Unequal Condensers (Part 4)
Over the last few weeks our Monday Morning Minutes posts have looked at pumping issues with parallel, equal-sized condensers and pumps. This week we will look …
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