Fan Analysis

Tale Of The Tool
This tool performs a VFD analysis on the user's choice of fan configuration—using the fan's performance curve as the foundation for developing results for series- and parallel-arrangements. It also allows for the determination of fan flows using two different methods—recognizing equipment availability, practicality, and the need for versatility may dictate the approach.

Supplementing the VFD results, is an accompaniment of supporting data that can be leveraged in the decision-making, and design processes--to the extent they impinge, partially or wholly, on the objective of the analysis.
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In addition to the air flow determined on the basis of the furnace's volumetric analysis (referring to cases where the fan delivers combustion air), results on the vapor dew-point, and the mechanical and static efficiencies of the fan are also reported.
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This analysis determines the air flow rate based on the temperature rise across the fan. As secondary results, computed values of the fan's mechanical efficiency, as well as its static efficiency, are also included.
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