Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
Using Carbon Dioxide as a Tracer Gas to Measure Air Change Rate ...
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Sample Time<br />
<strong>Air</strong> <strong>Change</strong> <strong>Rate</strong> (1/hr)<br />
0.25<br />
0.5<br />
1<br />
2<br />
4<br />
Boelter & Yates, Inc. 2004<br />
Minimum Duration (hour)<br />
4<br />
2<br />
1<br />
.5<br />
.25<br />
Minimum sample duration b<strong>as</strong>ed on 10% uncertainty at the 95%<br />
confidence level in the detection of air change rate, a tracer g<strong>as</strong><br />
concentration me<strong>as</strong>urement precision error of 5% of reading and<br />
various air change rate. <strong>Using</strong> the regression method reduces the<br />
minimum test duration due <strong>to</strong> more than 2 data points.
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