Topics: General Ventilation
- Ed Neese
Eldridge is excited to announce two new products to our Eldridge Industrial Fan line-up: EPK Direct Drive Panel Fan EFK Direct Drive Flange Fan Both fans are manufactured with the same superior durability and quality as our other Eldridge Fan products. In addition, the EPK and EFK models are priced more competitively and available with …
- Josh Janecek
Solving tough ventilation problems is in Eldridge’s DNA. Finding innovative ways to help our customers has resulted in Eldridge having seven patented products. When our team looked at the traditional weather hoods used for roof and wall fans, we knew there had to be a better way. Team research and collaboration resulted in the development …
Eldridge E-Hive Hood Bests Traditional Weather Hoods Read More »
- Ed Neese
If you were looking for financial justification to do something about your uncomfortably hot warehouse, ASHRAE has provided it. In an article in the December 2018 ASHRAE Journal entitled Thermal Comfort in Heated-and-Ventilated-Only Warehouses, the authors concluded that “The lost productivity and wages from high PMV [predicted mean thermal comfort value] conditions represent a large …
- Josh Janecek
One of the standard design principles for ventilation of a building with a powered ventilation system is calculating air flow based on an air change rate. The activities inside or the purpose of the building will determine what is an appropriate air change rate. The air flow to be provided by the ventilation fans is …
- Ed Neese
In the third and final part of this article, we are going to discuss calculating total static pressure of the dust collection system. Total Static Pressure Each capture point, transition, branch and elbow in the ductwork will resist the flow of air. Each of these points will have an air resistance coefficient based on their …
Dust Collection System Design Part 3: Calculating Total Static Pressure Read More »
- Ed Neese
In the second part of this three part series on Dust Collection System Design, we are going to discuss how to determine and maintain transport velocity. After dust particles are captured, the proper transport velocity ensures that the dust particles will be conveyed through the duct work without clogging from the capture point to the …
Dust Collection System Design Part 2: Determine and Maintain Transport Velocity Read More »
- Ed Neese
The National Fire Protection Association has recently revised its Standard on the Fundamentals of Combustible Dust – NFPA 652. According to the standard’s 2019 Edition, all dust collection systems, new or existing, are subject to a dust control plan as a part of an overall Dust Hazard Analysis (DHA). If you need to add or …
Dust Collection System Design Part 1: Capture Velocity Read More »
- Clayton Settle
When I’m working on the design of a powered ventilation system for a building, I’m reminded of the song by David Bowie and Freddie Mercury called Under Pressure. The song deals with the daily pressures of life and love, but it makes me think about whether the building should have positive or negative air pressure. …
- Ed Neese
We often have customers tell us that they only want to install large industrial ceiling fans also known as HVLS fans (high velocity low speed). These fans are a good solution for providing spot cooling to workers. We agree that keeping people cool in an unairconditioned facility is important because it increases productivity. Benefits and …