Space Grant Consortium - University of Wisconsin - Green Bay

A series of tests were done in a cooler with dry ice to examine the effects of temperature on
Figure 6: Normal Conditions
sound. The program output a speed of 340.77
meters per second at a temperature of -28.1°C.
This is significantly slower than the control test, and in the plot, attenuation can be seen, shown
in
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
Figure 7:
-0.4
5 5.0001 5.0002 5.0003 5.0004 5.0005 5.0006 5.0007 5.0008 5.0009 5.001
Figure 7: Cold Conditions
In the control, the peaks of the far mic (lower peaks) are slightly behind those of the near mic
(higher peaks). In the cold test, the far mic peaks are shifted to the right. The slower speed
16