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TE-CD-TSP 32 Operations Manual
Po/Pa= 1 - (26.69 / 749.3)
Po/Pa = .964
6. Look up Flow Rate from table.
Table 1 is set up with temperature in oC and the Flow Rate is read in units of m3/min (actual, ACMM). In
table 2 the temperature is in oF and Flow Rate is read in ft3/min (actual, ACFM).
a) For the example we will use Table 1.
Locate the temperature and pressure ratio entries nearest the conditions of:
Ta = 20oC
Po/Pa = .964
Example: Look-Up Table for Actual Flow Rate in Units of m3/min
Temperature oC
Po/Pa 20 22 24 26 28
0.961 1.250 1.254 1.258 1.261 1.265
0.962 1.251 1.255 1.259 1.263 1.266
0.963 1.253 1.256 1.260 1.264 1.268
0.964 1.254 1.258 1.262 1.265 1.269
0.965 1.255 1.259 1.263 1.267 1.271
0.966 1.257 1.261 1.264 1.268 1.272
b) The reading of flow rate is:
Qa = 1.254 m3/min (actual)
If your Po/Pa number is not in look up table ie; >.979 then interpolate.
7. Determine flow rate in terms of standard air.
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