Learn how to calculate air intake and exhaust volumes in diesel generator rooms, including key parameters for air-cooled and water-cooled systems. . Generator exhaust systems for years have been fabricated from sections of schedule 40 carbon steel pipe that are field welded, then insulated to reduce surface temperatures. Modular pre-engineered chimney systems that are factory-fabricated and UL listed have eliminated the need for field-welded. . In addition, heat from generator inefficiencies and exhaust piping can easily equal engine-radiated heat. Any resulting elevated temperatures in the engine room may adversely affect maintenance, personnel, switchgear, and engine or generator set performance. Open packages are usually installed inside a buildin or beneath a canopied structure to protect them from the elements. This can lead to problems found late during construction, or worse, during final commissioning of equipment.
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