Seminar 51--Why Isn’t My Fan Working? The Complex World of Fan/System Interactions

ASHRAE , 2020

Publisher: ASHRAE

File Format: PDF

$26.00$52.00

Description

Standard By:ASHRAE , 2020

Published:2020

File Size:1 file , 56 MB

Language:English

Note:This product is unavailable in Russia, Belarus

This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

Fans sometimes get blamed for the underperformance of a system, but what if it is actually the other way around? This session discusses how fans and fan systems interact and impact the performance of one another. System effect is defined and discussed with real world examples. Recommendations for how to minimize or account for system effect are provided. The impact of changes in system resistance is discussed. The concepts of stability, stall and surge are reviewed, along with selection guidelines to help minimize risk.

1. Fan and System Curve Basics and Intro to System Effects
Brent Fullerton, Loren Cook Company, Springfield, MO
2. A Note to My Younger Self: What a New Engineer Should Know about System Effects
Jay Eldridge, Member, Daikin Applied, Minneapolis, MN
3. Stability and System Interactions with Axial Fans
Michael Feuser, P.E., Member, Twin City Clarage, Inc., Pulaski, TN

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