Flow Reference Method Testing and Analysis; Wind Tunnel Experimental Results.211 Volume 1

摘要

This report describes the results of wind tunnel tests that the U.S.211u001eEnvironmental Protection Agency (EPA) conducted in 1997 as part of a major study 211u001eto evaluate potential improvements to Method 2, EPA's test method for measuring 211u001eflue gas volumetric flow in stacks. Conducted in the Merrill Subsonic Wind Tunnel 211u001eat North Carolina State University in Raleigh, the wind tunnel tests were 211u001edesigned to evaluate how accurately various probes can measure angles and 211u001evelocity of flow under prescribed conditions and, additionally, to calibrate the 211u001eprobes for use in planned field experiments. To provide a basis for selecting 211u001eprobes for subsequent field tests, the wind tunnel testing was performed over a 211u001erange of velocity, pitch, and yaw angle settings approximating the conditions 211u001eencountered at actual utility sites.