THERMAL EFFECTS OF FLUIDS IN MOTION. 
335 
Table XII. — Experiment in which — 1st, air; 2nd, carbonic acid; 3rd, air dried by 
quicklime was forced through a plug consisting of 740 grs. of silk. Mean baro- 
metric pressure 30-015, equivalent to 14*68 lbs. on the inch. Gauge under the 
atmospheric pressure 150. Per-centage of moisture in the carbonic acid 0*31. 
Pump placed in connexion with the pipe immersed in carbonic acid at ll h 24 m . 
Disconnected and attached to the quicklime cylinder at 12 h 22 m . 
1 . 
2. 
3. 
4. 
5. 
6. 
Time of 
observa- 
tion. 
Volume per- 
centage of car- 
bonic acid. 
Pressure-gauge, and 
pressure in lbs. on the 
square inch equivalent 
thereto. 
Indication of thermometer. 
Temperature of the bath. 
Indication of thermometer. 
Temperature of the 
issuing gas. 
Cooling 
effect in 
Cent, 
degrees. 
h m 
11 5 
0 
31-6 
646-351 
479-1 1 
7 
0 
31-4 
lbs. 
>31-62=91-508 
646-3 
478-8 
9 
1 1 
0 
0 
31-7 
31-6 
646-1 
646-05 
>646-15 = 91-452 
478-05 
478-1 
>478-43 = 90-008 
1-444 
13 
0 
31-9 
646*05 
478-2 
15 
0 
31-5 J 
646-05 
478-35 J 
17 
0 
31-8 1 
646-2 1 
478-7 1 
19 
0 
31-5 
646-0 
478-6 
21 
22 
0 
0 
32-0 
32-2 
>31-95 = 90-576 
646-0 
646-1 
>646-08 = 91-442 
478-7 
478-6 
>478-58 = 90-043 
1-399 
23 
0 
32-2 
646-1 
478-1 
24 
0 
32-0 _ 
646-1 j 
478-8 J 
25 
0 
32-0 
646-1 
477-0 
26 
0 
32-1 
646-4 
471-6 
30 
95*50 
32-2 1 
646-7 1 
469-2 1 
32 
95-51 
32-2 
646-5 
469-5 
33 
36 
95-51 
95-51 
>95-51 
32-0 
32-6 
^32-23=89-799 
646-45 
646-7 
>646-59 = 91*516 
469-6 
469-6 
>469-63=88-044 
3-472 
38 
95-51 
32-2 
646-6 
469-9 
40 
32-2 
646-6 
469-98 J 
43 
93-031 
32-1 1 
646-6 
470-05 1 
46 
48 
90-60 
>91-81 
32-1 
32-1 
>32-1 =90-162 
647-0 
647-1 
>647-03=91-579 
470-3 
470-9 
>470-57=88-255 
3-324 
50 
j 
32-1 
647-4 _ 
471-05 J 
53 
80-821 
32-1 "1 
647-2 1 
471-2 1 
55 
32-05 
647-2 
471-75 
58 
12 0 
75-65 
>77-37 
32-0 
32-0 
>32-16 = 90-006 
647-2 
647-7 
>647-5=91-647 
472-05 
472-6 
>472-29 = 88-638 
3-009 
4 
32-6 
647-9 
472-9 
6 
75-65 
32-25^ 
647-8 J 
473-25_, 
9 
32-8 ^ 
647-951 
473-95^ 
11 
65-72 
32-4 
647-9 
474-1 
15 
60-83 
>62-46 
32-2 
>32-54=88*971 
647-95 
>647-94=91-711 
474-8 
>474-64 = 89-l62 
2-549 | 
20 
60-83 
32-4 
647-95 
475-15 
22 
32-9 
647-95^ 
475-2 
27 
0 
32-0 
647-85 
477-0 
29 
0 
32-0 
647-8 
480- ] 
31 
0 
31-6 
647-5 
480-6 
33 
0 
32-0 
647-3 
480-6 
35 
0 
32-1 
647-1 
480-8 
37 
0 
32-2 
647-0 
480-83 
39 
0 
32-0 
647-1 ~ 
480-9 ' 
41 
0 
32-1 
647-03 
481-03 
43 
0 
32-1 
647-1 
480-9 
45 
0 
32-1 
02-3 =89-618 
647-03 
>647-02=91-578 
481-02 
>480-97=90-528 
1-050 
47 
0 
32-4 
647-05 
481-04 
49 
0 
32-6 
646-98 
480-98 
1 
51 
0 
32-8 J 
646-85 
480-9 
j 
