Rancang Bangun Absorber Pada Mesin Pendingin Menggunakan Siklus Absorbsi Dengan Pasangan Refrijeran-Absorbent Amonia-Air

Lampiran 1. Tabel bilangan nusselt untuk aliran laminar

(Sumber : Cengel,Heat and mass transfer, hal : 696)

Lampiran 2. Diagram Tekanan-Konsentrasi-Temperatur larutan Amoni-air

(Sumber : Thermophysical properties NH3 +H2O for industrial design)

Universitas Sumatera Utara

Lampiran 3. Diagram spesifik thermal larutan Amonia-air

(Sumber : Thermophysical properties NH3 +H2O for industrial design)

Universitas Sumatera Utara

Lampiran 4. Diagram viskositas larutan Amonia-air

(Sumber : Thermophysical properties NH3 +H2O for industrial design)

Universitas Sumatera Utara

Lampiran 5. Konduktifitas thermal larutan Amonia-air

(Sumber : Thermophysical properties NH3 +H2O for industrial design)

Universitas Sumatera Utara

Lampiran 6. Sifat-sifat fisik refrigerant ammonia

(Sumber : Thermophysical properties of refrigerants)

Universitas Sumatera Utara

Lampiran 7. Tabel ukuran standar pipa

(Sumber :ASTM A132)

Universitas Sumatera Utara

Lampiran 8. Hasil pengujian hari pertama per menit

Waktu

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

39
40

T masuk uap
ammonia
(0C)
34.7
34.6
34.7
34.7
34.7
34.6
34.7
34.6
34.8
34.8
34.5
34.7
34.6
34.5

34.7
34.6
34.7
34.6
34.6
34.6
34.6
34.7
34.7
34.6
34.7
34.6
36.7
34.8
34.5
30.4
30.5
23.3
22
21.7

21.5
20.8
20.5
20.3
19.9
19.8

T masuk larutan
amonia konsentrasi
lemah (0C)
57.4
57.5
57.3
57.3
57
57.1
57.5
57.3
57.3
58.2

57.6
57.6
57.6
57.5
57.7
57.7
58.1
58.3
58.6
58.1
57.6
57.8
57.8
58
58.3
58.1
58
57.6
57.2
57.1

57.4
47.3
47.4
47.8
47.9
48.1
48.5
48.7
49.6
52.7

T keluar larutan
amonia konsentrasi
kuat (0C)
28.5
28.6
28.7
28.7
28.7
28.4

28.3
28.8
30
28.3
28.4
28.4
28.7
28.4
28.2
28.2
28.5
28
28.3
28.5
28.5
28.5
28.8
28
28.6
28.6

28.4
28.7
28.7
28.7
28.5
30.9
31.8
32
32.5
33.2
33.6
33.7
34
34.9

T masuk air
pendingin
(0C)
28.3
28.3

28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3

T keluar air
pendingin
(0C)
28.7
28.6
28.6
28.7
28.3
28.2
28.2
28.6
28.6
28.3
28
28.5
28.5
28.5
28.9
28.7
28.7
28.6
28.7
28.9
28.3
28.6
28.4
28.5
28.4
28.8
28.6
28.6
28.7
28.5
28.7
29.1
29.4
29.7
29.8
29.9
30.2
30.9
31.4
31.6

Lampiran 9. Hasil pengujian hari kedua per menit

Universitas Sumatera Utara

Waktu

T masuk uap
ammonia (0C)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

34.1
34
34.3
34.2
34.3
34.5
34.7
34.7
34.5
34.4
34.4
33.4
34.5
34.6
34.5
34.6
34.7
34.8
34.8
34.8
34.7
34.7
34.8
34.9
34.8
34.8
34.7
34.6
34.7
34.8
34.7
24.6
24.1
23.4
22.9
22.6
22.1
21.3
21
20

T masuk larutan
amonia
konsentrasi lemah
(0C)
55.6
55.6
55.7
55.8
55.6
55.6
55.9
55.8
55.9
56
56
56.2
55.9
56
56.2
56.3
56.1
56.2
56.3
56.2
56.5
56.8
56.8
57.2
57.2
58.3
58.3
58.7
58.7
59.4
59.4
44.9
45.6
47.1
47.6
48.1
48.7
49.7
49.9
50.9

T keluar larutan
amonia konsentrasi
kuat (0C)

T masuk air
pendingin (0C)

T keluar air
pendingin
(0C)

28.1
28.4
28.4
28.6
28.5
28.2
28.6
28.6
28.3
28.7
28.3
28.5
28.8
28.8
28.5
28.5
28.7
28.4
28.7
28.8
28.4
28.4
28.3
28.4
28.7
28.8
29
28.4
28.5
28.4
28.6
32.8
33.2
33.5
34.1
34.5
34.9
35.4
35.3
35.2

28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3

28.8
27.7
28.8
28.8
28.7
28.8
28.9
28.8
28.7
28.7
28.7
28.8
28.8
28.6
28.6
28.6
28.7
28.8
28.9
28.8
28.6
28.4
28.4
28.5
28.4
28.5
28.5
28.6
28.6
28.7
28.7
28.6
28.7
29
29.2
29.3
29.4
29.7
30
30.1

Universitas Sumatera Utara

Lampiran 10. Hasil pengujian hari pertama per menit
Waktu

T masuk uap
ammonia (0C)

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

33.4
33.5
33.2
33.5
33.5
33.1
33
33.3
33.5
33.3
33.3
33.4
33.5
33.6
33.5
33.7
33.7
33.4
33.2
33.4
33.3
33.4
33.4
33.1
33.1
33.5
33.2
33.2
33.4
33.4
33.2
23.3
22.7
22.3
21.8
21.6
20.9
20.4
20
19.8

T masuk larutan
amonia
konsentrasi lemah
(0C)
58.4
58.3
58.3
58.3
58.4
58.2
58.1
58.3
58.4
58.2
58.1
58.2
58.3
58.5
58.5
58.4
58.6
58.7
58.9
59
58.8
58.8
59.1
59.3
59.2
59.1
59.2
59.2
59.3
59.1
59
45.5
45.9
46.6
47.2
47.6
48.1
48.9
49.8
50.4

T keluar larutan
amonia konsentrasi
kuat (0C)

T masuk air
pendingin (0C)

T keluar air
pendingin
(0C)

29.3
29.1
29.3
29.3
29.3
29.5
29.2
29.1
28.8
28.9
29
29.3
29.5
29.5
29.6
29.5
29.5
29.7
29.8
29.6
29.5
29.4
29.4
29.5
29.6
29.5
29.5
29.3
29.1
29.1
28.9
33.2
33.8
34.2
34.6
34.8
35
35.6
36.1
36.8

28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3
28.3

28.8
28.9
29
29
29.1
28.9
28.7
28.8
29
28.9
28.7
28.7
28.9
28.9
29
28.9
28.9
29.1
29.2
29.1
29.1
29.1
29.3
29.2
29
29.1
29
29
28.9
29.1
29.4
32.8
33.2
33.5
34.1
34.5
34.9
35.4
36.3
36.2

Universitas Sumatera Utara

Lampiran 11. Hasil pengujian hari per 20 detik

waktu
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

T in uap
amonia
23.3
22.4
22.4
22.1
22
22
21.9
21.8
21.7
21.7
21.7
21.6
21.6
21.5
21.4
20.9
20.8
20.7
20.6
20.4
20.3
20.3
20.4
20.1
20.1
19.9
19.8
19.8
19.7
19.8

T in konsentrasi
lemah
47.3
47.3
47.3
47.4
47.3
47.4
47.5
47.6
47.6
47.8
47.7
47.8
47.9
47.9
47.9
48
48.1
48.4
48.6
48.7
48.9
49.1
49.2
49.4
49.6
50
50.4
51
52.4
52.7

T out larutan
amonia-air
30.9
31.2
31.4
31.6
31.7
31.8
31.9
31.9
32
32.2
32.3
32.5
32.7
32.8
32.9
33.1
33.2
33.3
33.4
33.5
33.6
33.6
33.7
33.7
33.8
33.9
34
34.1
34.7
34.9

T in air
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5

T out air
pendingin
28.8
28.8
28.9
28.8
28.8
28.8
28.9
28.9
28.9
29
29
29
29.1
29.2
29.1
29.2
29.3
29.4
29.4
29.5
29.5
29.6
29.6
29.6
29.7
29.7
29.8
29.9
29.8
29.8

Universitas Sumatera Utara

Lampiran 12. Hasil pengujian hari kedua per 20 detik

waktu
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

T in uap
amonia
24.6
24.3
24.3
24.2
24.1
24
23.7
23.5
23.4
23.4
23.2
22.9
22.8
22.8
22.6
22.6
22.4
22.1
21.9
21.6
21.5
21.3
21.1
21.1
21
21
20.6
20.3
20.1
20

T in konsentrsi
lemah
44.9
45
45.3
45.4
45.6
46.8
47
47
47.1
47.2
47.5
47.6
47.8
47.9
48.1
48.3
48.5
48.7
48.8
48.9
49.1
49.2
49.4
49.6
49.7
50
50.4
50.7
50.9
50.9

T out larutan
ammonia-air
31.8
31.8
31.9
32
32.2
32.3
32.4
32.4
32.5
32.7
32.9
33.1
33.1
33.2
33.4
33.5
33.7
33.8
33.9
34
34
34.1
34.2
34.3
34.3
34.4
34.5
34.5
34.6
34.5

T in air
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5

T out air pendingin
28.6
28.6
28.6
28.7
28.7
28.8
28.8
28.9
29
29
29.1
29.1
29.2
29.3
29.3
29.4
29.4
29.5
29.5
29.6
29.6
29.7
29.6
29.6
29.6
29.6
29.7
29.6
29.7
29.8

Universitas Sumatera Utara

Lampiran 13. Hasil pengujian hari ketiga per 20 detik

waktu
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

T in uap
amonia
23.3
23.3
23.1
22.9
22.7
22.5
22.6
22.5
22.3
22.1
21.9
21.8
21.8
21.7
21.6
21.5
21
20.9
20.8
20.6
20.5
20.4
20.3
20.1
20.1
20
19.9
19.9
19.8
19.8

T in konsentrsi
lemah
46.5
46.7
46.7
46.8
46.9
47.1
47.3
47.5
47.6
47.8
48.1
48.2
48.4
48.5
48.6
48.8
49
49.1
49.4
49.6
49.7
49.9
50.1
50.2
50.5
50.8
50.7
50.9
51.2
51.4

T out larutan
31.2
31.4
31.5
31.7
31.8
32
32
32.1
32.2
32.4
32.5
32.6
32.7
32.8
32.8
32.9
32.9
33
33.1
33.3
33.4
33.6
33.7
33.8
33.9
34
34
34.1
34.1
34.2

T in air
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5
28.5

T out air
pendingin
28.7
28.7
28.7
28.8
28.8
28.8
28.9
28.9
28.9
29
29.1
29
29.1
29.2
29.2
29.2
29.3
29.4
29.4
29.4
29.5
29.5
29.5
29.5
29.6
29.6
29.6
29.7
29.8
29.8

Universitas Sumatera Utara

Lampiran 14. Mesin Pendingin Absorbsi

Universitas Sumatera Utara