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Our public webinar series will focus on helping attendees understand industrial fan basics. We will cover a variety of topics, ranging from introductory, intermediary and advanced levels based off attendee feedback. Each webinar is worth one PDH (professional development hour). An expert panel will be conducting a Q&A session at the conclusion of each webinar. If you have suggestions for future webinar topics, please contact us or your local representative.


Fan Fundamentals - Intermediary, Module 5 - Fan Mechanical Selection and Control

  • Explain what FEA Analysis is and how it is used in fan design.
  • Explain coupling/belt drive selection and bearing selection.
  • Explain how lateral/torsional shaft analysis is used.
  • Differentiate when to use a VFD control versus a damper.

Presented by: David Moore, Research and Development Engineer

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Fan Fundamentals - Intermediary, Module 3 - Noise

  • Understand the calculation procedure for overall sound and frequency weighting
  • Scale sound data to alternate operating conditions
  • Adjust sound data to account for fan configuration in the field
  • Use blade pass frequency and its first harmonic as design criteria in fan selection
  • Understand sound attenuation options to mitigate noise concerns

Presented by: Matt Raymond, P.E., Staff Engineer 

Future dates TBD

Introduction to Sound

  • Understand the basics of sound and noise
  • Describe the different types of sound and noise
  • Understand how to measure fan noise
  • Differentiate between total pressure and atmospheric pressure
  • Distinguish the different types of acoustic and thermal cladding

Presented by: Brandon Lindmark, Engineer 

Future dates TBD

Aftermarket Retrofits, Repairs and Rebuilds

  • Examples of wear and damage
  • Benefits of upgrading equipment
  • Analysis and information needed about performance
  • Common design enhancements

Presented by Mike Schlemmer, HI Sales Manager - Aftermarket


Future dates TBD

Fan to Size Training

  • Using the Fan Selection Software
  • Functionality of Fan to Size
  • Determining which selection to use
  • Useful Features

Presented by: Mark Bublitz, Vice President of Engineering

Future dates TBD


FEI Overview

  • What FEI is
  • Regulations related to FEI
  • FEI Calculations
  • Other Consideration Factors

Presented by: Mark Bublitz, Vice President of Engineering

Future dates TBD

Fan Fundamentals

  • Fan Laws
  • Fan and Wheel Types
  • Testing and Rating Fans
  • Typical Installations and Applications

Presented by Greg Whittington, Vice President of Sales

Future dates TBD

Beginner's Resources
Engineering Letters

System Effects

  • Application of Fan Laws
  • How to Read a Fan Curve
  • How Ductwork Configurations are Effected by Inlet and Outlet Elbows
  • Comparison of Actual to Cataloged in Situ Performance

Presented by David Maletich, Vice President of Marketing

Future dates TBD

YouTube Video- System Effects Demo
System Effects Engineering Letter

Air and Sound Testing & Lab Capabilities

  • nyb's Lab capabilities
  • Air Testing requirements and process
  • Sound Testing concepts and process
  • AMCA Accreditation - how to test and why it matters

Presented by Aron Reid, Engineer - Laboratory Technologies

Presented on January 27, 2021

Laboratory Capabilities
Virtual Witness Testing
Industrial Fan Testing


Introduction to Sound

  • Sound Basics
  • Measuring Fan Noise
  • Fan Sound Ratings
  • Sound Calculations

Presented by Chadwick Taylor and Brandon Lindmark

Presented on February 24, 2021

Fan Acoustics (EL-12)


Fan Fundamentals - Intermediary, Module 2

  • Energy transfer in centrifugal and axial fans
  • Compressibility definition and calculation procedure
  • Overview of fan affinity laws
  • Dimensionless parameters for determining aerodynamic similarity (Reynolds Number, Mach Number)
  • Dimensionless parameters for assessing the best fan type for an application (Specific Speed, Specific Diameter, Flow Coefficient, Pressure Coefficient)
  • Live Q&A session

Presented by: Matt Raymond, P.E., Staff Engineer 

Presented on February 23, 2022

Beginner's Resources
Engineering Letters


Want to learn more? We will host public webinars January-April and August-December in 2022.
but the best way to stay informed is to sign up for our newsletter.

To view a recording of a previous webinar, please contact Catherine Chalakoff

System Effects
  • FEA Analysis
  • Coupling/Belt Drive Selection
  • Shaft Analysis Lateral/Torsional
  • Bearing Selection
  • Controls: VFD or Damper?


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