39
B. Ulangan 2
Tabel massa dan suhu bahan Ulangan 2.
Air dingin1
Air panas Arang
sekam Air
dingin2 m kg
0.0496 0.05
0.002 0.05075
T0
o
C 8.5
57.6 25.53
5.7 Tabel suhu air dingin dan air panas Ulangan 2. Tabel suhu air dingin dan sampel Ulangan 2.
ts T
o
C ts
T
o
C
10.7 8.4
5 11.8
5 9.8
10 12.5
10 10.2
15 13.1
15 10.6
20 13.4
20 10.8
25 13.5
25 11.1
30 13.7
30 11.3
35 14
35 11.5
40 34.3
40 11.6
45 33.1
45 11.8
50 32.6
50 12.1
55 32.3
55 12.2
60 32.2
60 12.3
65 32
65 12.4
70 31.8
70 13.2
75 31.8
75 13.3
80 31.6
80 13.4
85 31.6
85 13.5
90 31.5
90 13.8
95 31.4
95 13.9
100 14
105 14
Keterangan: = Tw
= Te
40
Pengolahan data ulangan 2: 1.
Penentuan Cc
Mw Cpw Te - Tw =
Mwh Cpw Twh - Te + Cc Tc - Te 0.0496 x 4.2 34.3
– 14.0 =
0.05 x 4.2 57.6 – 43.3 + Cc 14.0 – 34.3
4.228896 =
4.893 - 20.3Cc Cc
= kJkg
o
C
2. Penentuan Cps
Mw Cpw Te – Tw
= Ms Cps Ts
–Te + Cc Tc – Te 0.05075 x 4.2 13.2
– 12.4 =
0.002 x Cps 25.53 – 13.2 + 0.03 12.4 – 13.2
0.17052 =
0.02466 Cps -0.026171586 Cps
= kJkg
o
C
41
C. Ulangan 3
Tabel massa dan suhu bahan Ulangan 3.
Air dingin1
Air panas Arang
sekam Air
dingin2 m
o
C
0.05027 0.05072
0.00203 0.05067
T0 kg 5.3
44.6 25.1
5.9 Tabel suhu air dingin dan air panas Ulangan 3. Tabel suhu air dingin dan sampel Ulangan 3.
ts T
o
C ts
T
o
C
6.8 10.1
5 7.8
5 10.7
10 8.3
10 11.1
15 8.5
15 11.2
20 8.9
20 11.6
25 8.8
25 12.1
30 9.3
30 12.3
35 9.4
35 12.4
40 9.7
40 12.5
45 9.8
45 12.8
50 9.9
50 13.1
55 10
55 13.3
60 25.1
60 13.4
65 26.4
65 14
70 24.6
70 14.1
75 24.5
75 14.3
80 24.5
80 14.3
85 24.4
85 14.4
90 24.3
90 14.6
95 24.3
95 14.6
100 24.2
100 14.5
105 24.1
105 14.8
110 14.9
115 15
120 15.1
Keterangan: = Tw
= Te
42
Pengolahan data Ulangan 3: 1.
Penentuan Cc
Mw Cpw Te - Tw =
Mwh Cpw Twh - Te + Cc Tc - Te 0.05075 x 4.2 25.1
– 10 =
0.05072 x 4.2 44.6 – 25.1 + Cc 10 – 25.1
3.1881234 =
4.153968 -15.1 Cc Cc
= kJkg
o
C
2. Penentuan Cps
Mw Cpw Te – Tw
= Ms Cps Ts
–Te + Cc Tc – Te 0.05067 x 4.2 14.0
– 13.4 =
0.00203 x Cps 25.1 – 14.0 + 0.063 13.4 – 14.0
0.1276884 =
0.022533 Cps -0.038377931 Cps
= kJkg
o
C
43
D. Ulangan 4
Tabel massa dan suhu bahan Ulangan 4.
Air dingin1
Air panas Arang
sekam Air
dingin2 m kg
0.05052 0.05052
0.00202 0.05079
T0
o
C 8.1
35.5 26.1
7.5 Tabel suhu air dingin dan air panas Ulangan 4. Tabel suhu air dingin dan sampel Ulangan 4.
ts T
o
C ts
T
o
C
12 10.6
5 12.5
5 11.2
10 12.6
10 11.6
15 13
15 12.1
20 13.6
20 12.7
25 13.8
25 12.9
30 14
30 13.1
35 14
35 13.2
40 14.1
40 13.6
45 14.3
45 13.8
50 14.3
50 13.8
55 23.8
55 13.9
60 23.8
60 14.2
65 23.6
65 14.3
70 23.5
70 14.3
75 23.3
75 15
80 23.1
80 15.2
85 23
85 15.4
90 23.1
90 15.1
95 22.9
95 15.3
100 23.1
100 15.6
105 23.3
105 15.4
110 22.9
110 15.5
115 15.6
120 15.5
125 15.7
130 15.7
135 15.8
Keterangan: = Tw
= Te
44
Pengolahan data Ulangan 4: 1.
Penentuan Cc
Mw Cpw Te - Tw =
Mwh Cpw Twh - Te + Cc Tc - Te 0.05052 x 4.2 23.8
– 14.3 =
0.05052 x 4.2 35.5 – 23.8 + Cc 14.3 – 23.8
2.015748 =
2.4825528 -9.5 Cc Cc
= kJkg
o
C
2. Penentuan Cps
Mw Cpw Te – Tw
= Ms Cps Ts
–Te + Cc Tc – Te 0.05079 x 4.2 15
– 14.3 =
0.00202 x Cps 26.1 – 15 + 0.0491 14.3 – 15
0.1493226 =
0.022422 Cps -0.034396143 Cps
= kJkg
o
C kJkg
o
C k kJkg
o
C
45
Lampiran 5. Hasil pengukuran panas jenis arang kayu A.
Ulangan 1
Tabel massa dan suhu bahan Ulangan 1.
Air dingin1
Air panas Arang
sekam Air
dingin2 m kg
0.05026 0.05054
0.00204 0.0509
T0
o
C
11.3 44.5
29.2 12.6
Tabel suhu air dingin dan air panas Ulangan 1. Tabel suhu air dingin dan sampel Ulangan 1.
ts T
o
C ts
T
o
C
14.9 14.9
5 15.4
5 15.7
10 16
10 16.2
15 16.3
15 16.5
20 16.5
20 16.8
25 16.9
25 17
30 17
30 17.2
35 17.3
35 17.4
40 17.5
40 17.5
45 17.7
45 17.7
50 17.8
50 17.8
55 18
55 17.9
60 18
60 18.7
65 18.1
65 18.5
70 18.2
70 18.6
75 29.8
75 18.7
80 29.8
80 18.8
85 29.1
90 28.8
95 28.7
100 28.6
Keterangan: 105
28.5 = Tw
= Te
46
Pengolahan data Ulangan 1: 1.
Penentuan Cc
Mw Cpw Te - Tw =
Mwh Cpw Twh - Te + Cc Tc - Te 0.05026 x 4.2 29.8
– 18.2 =
0.05054 x 4.2 44.5 – 29.8 + Cc 18.2 – 29.8
2.449 =
3.120 -11.6 Cc Cc
= 0.578
kJkg
o
C
2. Penentuan Cps
Mw Cpw Te – Tw
= Ms Cps Ts
–Te + Cc Tc – Te 0.0509 x 4.2 18.7
– 17.9 =
0.00204 x Cps 29.2 – 18.7 + 0.0578 17.9 – 18.7
0.171 =
0.02142 Cps - 0.046 Cps
= 10.1307
kJkg
o
C
47
B. Ulangan 2
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