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About This Item
Full Description
Describes how the air velocity profile of a sample environmental chamber was mapped using an anemometer tree system. Finds that the air velocity within the chamber was far from uniform, and the air flow patterns could be significantly different at different chamber fan speed settings. States the assumption of uniform airflow within a chamber is inaccurate and the practice of employing a single anemometer to monitor the chamber air velocity is wholly inadequate. States that the air velocity profile of a given chamber should be mapped for all studies or thermal surveys in which air velocities or or precise heat transfer parameters are important. When necessary, the individual regional air velocity measurements can be combined through a weighted mean method to arrive at a combined single air velocity.
KEYWORDS: Air flow, accuracy, measuring, speed, anemometers, climate chambers, manikins