Uji Eksperimental Pengaruh Penambahan Bioetanol pada Bahan Bakar Pertalite terhadap Unjuk Kerja Motor Bakar Bensin
DATA HASIL PENGUJIAN
1. Pengujian Nilai Kalor Bahan Bakar
Pertalite
Percobaan
PERTALITE
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
II
III
IV
V
25.60
26.43
27.21
27.24
28.19
26.30
27.13
27.89
27.95
28.88 47500.12
0.70
0.70
0.68
0.71
0.69
47794.24 47794.24 46323.65 48529.54 47058.94
E5
I
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
24.65
25.62
26.44
27.50
28.68
25.32
26.28
27.10
28.19
29.33 44706.00
0.67
0.66
0.66
0.69
0.65
42647.17 44853.06 44853.06 47058.94 44117.76
44260.12
LHV
(kJ/kg)
41466.00
Gasohol 10%
Percobaan
E10
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
LHV
(kJ/kg)
Gasohol 5%
Percobaan
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
HHV
Rata-rata
(kJ/kg)
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
27.19
25.55
26.40
27.48
28.50
27.82
26.23
27.04
28.12
29.18 44411.88
0.63
0.68
0.64
0.64
0.68
42647.17 46323.65 43382.46 43382.46 46323.65
LHV
(kJ/kg)
41171.88
Universitas Sumatera Utara
Gasohol 15%
Percobaan
E15
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
24.82
25.71
26.45
27.67
28.64
25.44
26.33
27.11
28.31
29.31 43529.52
0.62
0.62
0.66
0.64
0.67
41911.87 41911.87 44853.06 43382.46 45588.35
LHV
(kJ/kg)
40289.52
2. Pengujian Konsumsi Bahan Bakar
RPM
I
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
II
45.66
62.57
76.07
90.57
118.89
168.72
208.60
368.31
RPM
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
Pertalite
42.30
59.52
77.01
91.85
119.01
167.97
223.43
371.46
Waktu (s)
Rata-rata
III
IV
V
43.47
46.51
44.10
44.41
63.66
61.82
60.67
61.65
75.48
74.32
75.88
75.75
92.71
89.90
90.22
91.05
119.05 118.94 119.10
119.00
166.92 166.33 165.71
167.13
219.83 231.31 220.73
220.78
385.88 382.36 375.37
376.68
mf
(gr/h)
2409.30
1735.53
1412.40
1175.09
899.11
640.17
484.61
284.04
Waktu (s)
Rata-rata
III
IV
V
55.32
53.35
53.67
53.42
69.21
66.22
66.35
66.25
82.88
80.78
80.51
80.73
101.45
98.45
98.71
98.50
119.24 119.38 119.18
119.34
160.05 159.42 160.11
159.56
202.78 197.04 197.24
197.08
370.45 372.42 372.81
372.49
mf
(gr/h)
2009.41
1620.15
1329.58
1089.69
899.40
672.69
544.63
288.15
Gasohol 5%
I
II
51.61
62.12
78.04
94.07
118.19
159.62
192.64
372.75
53.13
67.35
81.43
99.82
120.71
158.60
195.70
374.04
Universitas Sumatera Utara
RPM
I
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
II
45.69
57.76
86.61
94.96
120.80
177.06
206.83
391.57
RPM
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
Gasohol 10%
49.20
61.29
85.26
97.96
121.40
177.12
215.52
393.28
Waktu (s)
Rata-rata
III
IV
V
50.05
48.31
48.55
48.36
61.85
60.30
60.70
60.38
85.90
85.92
86.07
85.95
99.41
98.11
98.44
97.78
124.83 122.34 122.81
122.44
173.77 175.98 175.23
175.83
223.67 215.34 215.57
215.39
392.88 392.58 392.24
392.51
mf
(gr/h)
2226.58
1783.33
1252.76
1101.27
879.46
612.39
499.93
274.33
Waktu (s)
Rata-rata
III
IV
V
57.66
56.33
56.78
56.42
71.18
70.19
70.37
70.23
82.41
80.16
80.31
80.19
99.38
96.90
96.50
96.82
117.40 116.02 116.73
116.17
170.90 171.66 171.43
171.62
223.10 224.23 224.80
224.34
393.36 393.11 393.71
393.23
mf
(gr/h)
1914.64
1538.14
1347.02
1115.66
929.88
629.42
481.49
274.70
Gasohol 15%
I
II
54.95
69.16
77.80
94.34
114.23
174.29
225.18
395.35
56.37
70.24
80.28
96.99
116.45
169.81
224.41
390.64
3. Pengujian Torsi dan Daya Motor
Pertalite
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
38.20 374.63
80.88
8.40
7036.30
7000.00
39.60 388.36
83.85
8.71
6382.41
6000.00
42.20 413.86
89.35
9.28
5829.82
5000.00
43.00 421.70
91.05
9.45
4950.28
4000.00
42.80 419.74
90.62
9.41
3941.80
3000.00
42.20 413.86
89.35
9.28
2914.91
2000.00
41.20 404.05
87.23
9.06
1897.22
Universitas Sumatera Utara
Gasohol 5%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
37.80 370.70
80.04
8.31
6959.09
7000.00
39.40 386.40
83.42
8.66
6346.95
6000.00
42.10 412.87
89.14
9.26
5813.05
5000.00
42.80 419.74
90.62
9.41
4924.76
4000.00
42.60 417.78
90.20
9.37
3921.39
3000.00
41.80 409.93
88.50
9.19
2885.81
2000.00
40.80 400.13
86.39
8.97
1877.85
Gasohol 10%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
38.00 372.67
80.46
8.35
6995.91
7000.00
39.80 390.32
84.27
8.75
6411.39
6000.00
42.00 411.89
88.93
9.23
5799.25
5000.00
42.60 417.78
90.20
9.37
4901.74
4000.00
42.40 415.82
89.77
9.32
3902.98
3000.00
41.60 407.97
88.08
9.15
2872.01
2000.00
41.00 402.09
86.81
9.01
1887.06
Gasohol 15%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
37.60 368.74
79.61
8.27
6922.27
7000.00
39.40 386.40
83.42
8.66
6346.95
6000.00
42.20 413.86
89.35
9.28
5826.86
5000.00
42.40 415.82
89.77
9.32
4878.73
4000.00
42.10 412.87
89.14
9.26
3875.37
3000.00
41.60 407.97
88.08
9.15
2872.01
2000.00
40.40 396.20
85.54
8.88
1859.44
Universitas Sumatera Utara
4. Tekanan Udara Masuk (Pi) dan Suhu Udara Masuk (Ti)
Pertalite
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
70.00
70.00
70.00
71.00
73.00
74.00
76.00
81.00
I
34.00
34.00
34.00
33.00
33.00
33.00
33.00
33.00
II
68.00
69.00
70.00
70.00
72.00
73.00
76.00
82.00
II
33.00
34.00
34.00
34.00
33.00
32.00
32.00
33.00
Pi (kPa)
III
IV
69.00
70.00
70.00
70.00
70.00
69.00
70.00
71.00
72.00
73.00
74.00
73.00
77.00
77.00
83.00
82.00
III
33.00
34.00
34.00
34.00
32.00
32.00
32.00
33.00
Ti (°C)
IV
33.00
33.00
34.00
34.00
32.00
32.00
32.00
32.00
V
70.00
70.00
70.00
70.00
73.00
74.00
75.00
81.00
V
34.00
34.00
33.00
34.00
32.00
33.00
32.00
32.00
Rata-rata
69.40
69.80
69.80
70.40
72.60
73.60
76.20
81.80
Rata-rata
33.40
33.80
33.80
33.80
32.40
32.40
32.20
32.60
Universitas Sumatera Utara
Gasohol 5%
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
71.00
71.00
71.00
72.00
74.00
74.00
76.00
82.00
I
33.00
33.00
34.00
34.00
33.00
34.00
33.00
33.00
II
71.00
71.00
72.00
72.00
74.00
74.00
77.00
81.00
II
33.00
33.00
32.00
33.00
32.00
33.00
32.00
32.00
Pi (kPa)
III
IV
71.00
70.00
71.00
71.00
72.00
71.00
72.00
71.00
72.00
74.00
74.00
75.00
77.00
76.00
82.00
83.00
III
33.00
32.00
33.00
32.00
32.00
32.00
32.00
32.00
Ti (°C)
IV
34.00
33.00
32.00
32.00
33.00
32.00
33.00
32.00
V
70.00
72.00
72.00
71.00
73.00
74.00
76.00
82.00
V
34.00
33.00
32.00
32.00
33.00
32.00
32.00
32.00
Rata-rata
70.60
71.20
71.60
71.60
73.40
74.20
76.40
82.00
Rata-rata
33.40
32.80
32.60
32.60
32.60
32.60
32.40
32.20
Universitas Sumatera Utara
Gasohol 10%
Suhu Lingkungan (Ta) = 33°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
71.00
71.00
72.00
73.00
74.00
74.00
77.00
82.00
I
35.00
35.00
33.00
33.00
35.00
34.00
33.00
33.00
II
70.00
71.00
71.00
72.00
73.00
73.00
76.00
82.00
II
34.00
34.00
33.00
34.00
34.00
33.00
33.00
33.00
Pi (kPa)
III
IV
70.00
70.00
70.00
70.00
71.00
72.00
74.00
73.00
74.00
73.00
74.00
74.00
77.00
76.00
83.00
83.00
III
35.00
33.00
34.00
34.00
33.00
35.00
34.00
32.00
Ti (°C)
IV
35.00
34.00
34.00
34.00
33.00
33.00
34.00
35.00
V
70.00
71.00
72.00
72.00
73.00
75.00
77.00
83.00
V
35.00
34.00
35.00
34.00
33.00
34.00
35.00
33.00
Rata-rata
70.20
70.60
71.60
72.80
73.40
74.00
76.60
82.60
Rata-rata
34.80
34.00
33.80
33.80
33.60
33.80
33.80
33.20
Universitas Sumatera Utara
Gasohol 15%
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
72.00
72.00
72.00
73.00
73.00
75.00
76.00
81.00
I
34.00
34.00
34.00
34.00
33.00
33.00
32.00
32.00
II
70.00
72.00
70.00
72.00
72.00
73.00
76.00
81.00
II
34.00
34.00
34.00
33.00
33.00
32.00
32.00
32.00
Pi (kPa)
III
IV
69.00
70.00
70.00
70.00
70.00
70.00
70.00
70.00
72.00
73.00
74.00
73.00
77.00
77.00
82.00
82.00
III
34.00
33.00
33.00
34.00
33.00
33.00
33.00
33.00
Ti (°C)
IV
33.00
33.00
34.00
34.00
34.00
33.00
33.00
33.00
V
70.00
70.00
70.00
70.00
73.00
74.00
75.00
81.00
V
33.00
34.00
34.00
34.00
34.00
33.00
33.00
32.00
Rata-rata
70.20
70.80
70.40
71.00
72.60
73.80
76.20
81.40
Rata-rata
33.60
33.60
33.80
33.80
33.40
32.80
32.60
32.40
Universitas Sumatera Utara
1. Pengujian Nilai Kalor Bahan Bakar
Pertalite
Percobaan
PERTALITE
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
II
III
IV
V
25.60
26.43
27.21
27.24
28.19
26.30
27.13
27.89
27.95
28.88 47500.12
0.70
0.70
0.68
0.71
0.69
47794.24 47794.24 46323.65 48529.54 47058.94
E5
I
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
24.65
25.62
26.44
27.50
28.68
25.32
26.28
27.10
28.19
29.33 44706.00
0.67
0.66
0.66
0.69
0.65
42647.17 44853.06 44853.06 47058.94 44117.76
44260.12
LHV
(kJ/kg)
41466.00
Gasohol 10%
Percobaan
E10
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
LHV
(kJ/kg)
Gasohol 5%
Percobaan
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
HHV
Rata-rata
(kJ/kg)
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
27.19
25.55
26.40
27.48
28.50
27.82
26.23
27.04
28.12
29.18 44411.88
0.63
0.68
0.64
0.64
0.68
42647.17 46323.65 43382.46 43382.46 46323.65
LHV
(kJ/kg)
41171.88
Universitas Sumatera Utara
Gasohol 15%
Percobaan
E15
I
T1 (°C)
T2 (°C)
T2-T1 (°C)
HHV (kJ/kg)
II
III
IV
V
HHV
Rata-rata
(kJ/kg)
24.82
25.71
26.45
27.67
28.64
25.44
26.33
27.11
28.31
29.31 43529.52
0.62
0.62
0.66
0.64
0.67
41911.87 41911.87 44853.06 43382.46 45588.35
LHV
(kJ/kg)
40289.52
2. Pengujian Konsumsi Bahan Bakar
RPM
I
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
II
45.66
62.57
76.07
90.57
118.89
168.72
208.60
368.31
RPM
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
Pertalite
42.30
59.52
77.01
91.85
119.01
167.97
223.43
371.46
Waktu (s)
Rata-rata
III
IV
V
43.47
46.51
44.10
44.41
63.66
61.82
60.67
61.65
75.48
74.32
75.88
75.75
92.71
89.90
90.22
91.05
119.05 118.94 119.10
119.00
166.92 166.33 165.71
167.13
219.83 231.31 220.73
220.78
385.88 382.36 375.37
376.68
mf
(gr/h)
2409.30
1735.53
1412.40
1175.09
899.11
640.17
484.61
284.04
Waktu (s)
Rata-rata
III
IV
V
55.32
53.35
53.67
53.42
69.21
66.22
66.35
66.25
82.88
80.78
80.51
80.73
101.45
98.45
98.71
98.50
119.24 119.38 119.18
119.34
160.05 159.42 160.11
159.56
202.78 197.04 197.24
197.08
370.45 372.42 372.81
372.49
mf
(gr/h)
2009.41
1620.15
1329.58
1089.69
899.40
672.69
544.63
288.15
Gasohol 5%
I
II
51.61
62.12
78.04
94.07
118.19
159.62
192.64
372.75
53.13
67.35
81.43
99.82
120.71
158.60
195.70
374.04
Universitas Sumatera Utara
RPM
I
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
II
45.69
57.76
86.61
94.96
120.80
177.06
206.83
391.57
RPM
8000.00
7000.00
6000.00
5000.00
4000.00
3000.00
2000.00
1000.00
Gasohol 10%
49.20
61.29
85.26
97.96
121.40
177.12
215.52
393.28
Waktu (s)
Rata-rata
III
IV
V
50.05
48.31
48.55
48.36
61.85
60.30
60.70
60.38
85.90
85.92
86.07
85.95
99.41
98.11
98.44
97.78
124.83 122.34 122.81
122.44
173.77 175.98 175.23
175.83
223.67 215.34 215.57
215.39
392.88 392.58 392.24
392.51
mf
(gr/h)
2226.58
1783.33
1252.76
1101.27
879.46
612.39
499.93
274.33
Waktu (s)
Rata-rata
III
IV
V
57.66
56.33
56.78
56.42
71.18
70.19
70.37
70.23
82.41
80.16
80.31
80.19
99.38
96.90
96.50
96.82
117.40 116.02 116.73
116.17
170.90 171.66 171.43
171.62
223.10 224.23 224.80
224.34
393.36 393.11 393.71
393.23
mf
(gr/h)
1914.64
1538.14
1347.02
1115.66
929.88
629.42
481.49
274.70
Gasohol 15%
I
II
54.95
69.16
77.80
94.34
114.23
174.29
225.18
395.35
56.37
70.24
80.28
96.99
116.45
169.81
224.41
390.64
3. Pengujian Torsi dan Daya Motor
Pertalite
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
38.20 374.63
80.88
8.40
7036.30
7000.00
39.60 388.36
83.85
8.71
6382.41
6000.00
42.20 413.86
89.35
9.28
5829.82
5000.00
43.00 421.70
91.05
9.45
4950.28
4000.00
42.80 419.74
90.62
9.41
3941.80
3000.00
42.20 413.86
89.35
9.28
2914.91
2000.00
41.20 404.05
87.23
9.06
1897.22
Universitas Sumatera Utara
Gasohol 5%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
37.80 370.70
80.04
8.31
6959.09
7000.00
39.40 386.40
83.42
8.66
6346.95
6000.00
42.10 412.87
89.14
9.26
5813.05
5000.00
42.80 419.74
90.62
9.41
4924.76
4000.00
42.60 417.78
90.20
9.37
3921.39
3000.00
41.80 409.93
88.50
9.19
2885.81
2000.00
40.80 400.13
86.39
8.97
1877.85
Gasohol 10%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
38.00 372.67
80.46
8.35
6995.91
7000.00
39.80 390.32
84.27
8.75
6411.39
6000.00
42.00 411.89
88.93
9.23
5799.25
5000.00
42.60 417.78
90.20
9.37
4901.74
4000.00
42.40 415.82
89.77
9.32
3902.98
3000.00
41.60 407.97
88.08
9.15
2872.01
2000.00
41.00 402.09
86.81
9.01
1887.06
Gasohol 15%
RPM
m (kg)
F (N)
T.roda (Nm)
T.mesin (Nm)
Daya (W)
8000.00
37.60 368.74
79.61
8.27
6922.27
7000.00
39.40 386.40
83.42
8.66
6346.95
6000.00
42.20 413.86
89.35
9.28
5826.86
5000.00
42.40 415.82
89.77
9.32
4878.73
4000.00
42.10 412.87
89.14
9.26
3875.37
3000.00
41.60 407.97
88.08
9.15
2872.01
2000.00
40.40 396.20
85.54
8.88
1859.44
Universitas Sumatera Utara
4. Tekanan Udara Masuk (Pi) dan Suhu Udara Masuk (Ti)
Pertalite
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
70.00
70.00
70.00
71.00
73.00
74.00
76.00
81.00
I
34.00
34.00
34.00
33.00
33.00
33.00
33.00
33.00
II
68.00
69.00
70.00
70.00
72.00
73.00
76.00
82.00
II
33.00
34.00
34.00
34.00
33.00
32.00
32.00
33.00
Pi (kPa)
III
IV
69.00
70.00
70.00
70.00
70.00
69.00
70.00
71.00
72.00
73.00
74.00
73.00
77.00
77.00
83.00
82.00
III
33.00
34.00
34.00
34.00
32.00
32.00
32.00
33.00
Ti (°C)
IV
33.00
33.00
34.00
34.00
32.00
32.00
32.00
32.00
V
70.00
70.00
70.00
70.00
73.00
74.00
75.00
81.00
V
34.00
34.00
33.00
34.00
32.00
33.00
32.00
32.00
Rata-rata
69.40
69.80
69.80
70.40
72.60
73.60
76.20
81.80
Rata-rata
33.40
33.80
33.80
33.80
32.40
32.40
32.20
32.60
Universitas Sumatera Utara
Gasohol 5%
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
71.00
71.00
71.00
72.00
74.00
74.00
76.00
82.00
I
33.00
33.00
34.00
34.00
33.00
34.00
33.00
33.00
II
71.00
71.00
72.00
72.00
74.00
74.00
77.00
81.00
II
33.00
33.00
32.00
33.00
32.00
33.00
32.00
32.00
Pi (kPa)
III
IV
71.00
70.00
71.00
71.00
72.00
71.00
72.00
71.00
72.00
74.00
74.00
75.00
77.00
76.00
82.00
83.00
III
33.00
32.00
33.00
32.00
32.00
32.00
32.00
32.00
Ti (°C)
IV
34.00
33.00
32.00
32.00
33.00
32.00
33.00
32.00
V
70.00
72.00
72.00
71.00
73.00
74.00
76.00
82.00
V
34.00
33.00
32.00
32.00
33.00
32.00
32.00
32.00
Rata-rata
70.60
71.20
71.60
71.60
73.40
74.20
76.40
82.00
Rata-rata
33.40
32.80
32.60
32.60
32.60
32.60
32.40
32.20
Universitas Sumatera Utara
Gasohol 10%
Suhu Lingkungan (Ta) = 33°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
71.00
71.00
72.00
73.00
74.00
74.00
77.00
82.00
I
35.00
35.00
33.00
33.00
35.00
34.00
33.00
33.00
II
70.00
71.00
71.00
72.00
73.00
73.00
76.00
82.00
II
34.00
34.00
33.00
34.00
34.00
33.00
33.00
33.00
Pi (kPa)
III
IV
70.00
70.00
70.00
70.00
71.00
72.00
74.00
73.00
74.00
73.00
74.00
74.00
77.00
76.00
83.00
83.00
III
35.00
33.00
34.00
34.00
33.00
35.00
34.00
32.00
Ti (°C)
IV
35.00
34.00
34.00
34.00
33.00
33.00
34.00
35.00
V
70.00
71.00
72.00
72.00
73.00
75.00
77.00
83.00
V
35.00
34.00
35.00
34.00
33.00
34.00
35.00
33.00
Rata-rata
70.20
70.60
71.60
72.80
73.40
74.00
76.60
82.60
Rata-rata
34.80
34.00
33.80
33.80
33.60
33.80
33.80
33.20
Universitas Sumatera Utara
Gasohol 15%
Suhu Lingkungan (Ta) = 31°C
RPM
1000
2000
3000
4000
5000
6000
7000
8000
RPM
1000
2000
3000
4000
5000
6000
7000
8000
I
72.00
72.00
72.00
73.00
73.00
75.00
76.00
81.00
I
34.00
34.00
34.00
34.00
33.00
33.00
32.00
32.00
II
70.00
72.00
70.00
72.00
72.00
73.00
76.00
81.00
II
34.00
34.00
34.00
33.00
33.00
32.00
32.00
32.00
Pi (kPa)
III
IV
69.00
70.00
70.00
70.00
70.00
70.00
70.00
70.00
72.00
73.00
74.00
73.00
77.00
77.00
82.00
82.00
III
34.00
33.00
33.00
34.00
33.00
33.00
33.00
33.00
Ti (°C)
IV
33.00
33.00
34.00
34.00
34.00
33.00
33.00
33.00
V
70.00
70.00
70.00
70.00
73.00
74.00
75.00
81.00
V
33.00
34.00
34.00
34.00
34.00
33.00
33.00
32.00
Rata-rata
70.20
70.80
70.40
71.00
72.60
73.80
76.20
81.40
Rata-rata
33.60
33.60
33.80
33.80
33.40
32.80
32.60
32.40
Universitas Sumatera Utara