Relation between impeller diameter and suction pipe length?

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SUMMARY

The discussion centers on the relationship between impeller diameter and suction pipe length in blowers. A smaller diameter impeller generates a lower pressure difference, which negatively impacts performance when paired with a longer suction pipe. However, it is noted that smaller impellers are typically operated at higher speeds to compensate for this effect. Understanding this relationship is crucial for optimizing blower performance in various applications.

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  • Understanding of blower mechanics
  • Knowledge of fluid dynamics principles
  • Familiarity with pressure differential concepts
  • Experience with impeller design and operation
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  • Research the impact of impeller speed on blower efficiency
  • Study fluid dynamics related to suction pipe design
  • Explore the effects of pressure differentials in blower systems
  • Learn about optimizing blower performance for specific applications
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Engineers, HVAC professionals, and anyone involved in the design and optimization of blower systems will benefit from this discussion.

tafribaaj
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Hi all,

I want to know if impeller diameter of a Blower can influence its suction pipe length. If so, then how are they related?
 
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That's a bit vague. Of course if you keep everything else constant, a smaller diameter impeller will produce a lower pressure difference, so would be bogged down with a longer pipe. But in reality a smaller impeller would probably be run at higher speed.
 

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