AMCA International inmotion Magazine - Summer 2012 - (Page 25)
process fan delivers the specified performance. Laboratory tests on scale-model prototype fans are used to measure the baseline performance. Accurate baseline performance is assured when the fan is tested in an AMCA-accredited laboratory in accordance with ANSI/AMCA Standard 210-07 | ANSI/ ASHRAE 51-07, “Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating.” Then the key is to properly scale the performance to the full-size fan. The fan laws are well known and form the basis for this scaling. There are, however, limitations on how far the performance can be extrapolated. Parameters such as tip-speed Mach parameter and fan Reynolds number need to be applied. Dimensional tolerances between the model and full-size fan must be adhered to. All these procedures, and more, are fully described in AMCA 802. AMCA 803 AMCA 803, Industrial Process Power Generation Fans: Site Performance Testing Standard, establishes a rigorous method for conducting site performance tests for full-size fans. This testing standard can be used to establish current performance of existing fans to see if improvements or performance increases can be made, or to validate the performance of newly installed fans. AMCA 803 defines all aspects of a field performance test, including parameters to be measured, location of testing planes, test equipment, calculation methods, and how to present results. It also overtly tackles difficult issues, such as
Figure 4: A typical laboratory scale model prototype test. establishing allowable limits for inlet distortion, and includes a detailed discussion on uncertainties. Summary The proper selection of fan equipment can be a daunting task, but the 800-series of AMCA publications walks engineers smoothly through the process. The AMCA 800 series of publications provides all the information necessary to specify, procure, and verify performance for custom-designed, heavyduty fans for industrial process and power generation applications.
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Table of Contents for the Digital Edition of AMCA International inmotion Magazine - Summer 2012
AMCA International inmotion Magazine - Summer 2012
President’s Message
Contents
From the Executive Director
Code Watch
News
The Role of Fan Efficiency in Achieving Energy Reduction Goals
Fan Motor Efficiency Grades in the European Market
Performance and Reliability Assurance of Custom Engineered and Manufactured Fans for Industrial and Utility Applications
Smoke Damper Testing and Maintenance for Service Life and Performance Assurance
Calendar
Advertisers Index
AMCA International inmotion Magazine - Summer 2012
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