HVAC Air Systems: Exhaust Systems

03/27/2015

Process exhaust often operates 8,760 hours a year and is a significant consumer of energy in a cleanroom. As in most areas of efficient design, the first step is to minimize the total demand, in this case, minimize the exhaust volumes through variable flow control and exhaust optimization for the process equipment. Other areas to consider include design approaches to maintain proper stack exit velocity with optimal bypass/dilution airflow and targeting pressure drop bottlenecks in the exhaust ductwork system.

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