Fans

While one of the most common devices in industry, fans can be related to many of the most perplexing woes that plants face. Poor evase design, duct design, inlet conditions, or vanes can cause serious, costly, and sometimes dangerous problems.

ASC has the capability to use the right tool for the job, from field testing to transient computational flow models to potential flow boundary layer calculations to handbook calculations.

This, combined with decades of industry experience qualify ASC to address any flow-related fan problem.

Duct Design
What is Flow Separation and How Might it Affect Me?
Flow separation occurs when a bend or expansion is too severe to allow flow to follow the contour of the duct. Flow separation causes a wake to form, causing an effective reduction in duct width (called a vena contracta). This width reduction causes a pressure loss, which is sometimes significant. At times, flow separation can cause pulsations through the system. This pulsation has been known to cause severe problems, including: Fan vibration and destroyed bearings Damage to ductwork
How Can I Eliminate Flow Separation?
Flow separation can typically be eliminated, or at least controlled, through the addition of properly designed turning vanes or by altering the duct geometry. Airflow Sciences Corporation has over 25 years of experience developing cost-effective solutions to these flow problems. Our custom modeling software accurately predicts separation, and is used to design duct systems which eliminate separation.