No. Kebutuhan air minum berdasarkan lokasi wilayah Q

1. Pedesaan dengan kebutuhan 60

2. Kota kecil dengan kebutuhan 90

3. Kota sedang dengan kebutuhan 110

4. Kota besar dengan kebutuhan 130

5. Kota metropolitan dengan kebutuhan 150

Fluida Nilai viskositas

Air

0 0.0018

20 0.001

60 0.00065

100 0.0003

@ Kebutuhan air per orang = 130 Liter/orang/hari

= 0.00150 Liter/detik

@ Kebutuhan 7 orang = 910 Liter/hari

= 0.01053 Liter/detik

@ Diameter pipa = 0.5 inchi

= 1.27 cm

= 0.0127 m

@ Luas penampang = 0.009974557

@ Ks = 0.2 mm

= 0.0002 m

@ Viskositas Air = 0.00071125

Koefisien Kb untuk belokkan yang tajam Rumus yang dipakai :

θ Kb

0.05

40° 0.14

60° 0.3680° 0.74

90° 0.98

Temperatur (°C)

m2

m2/dt

20°

𝑄=𝐴×𝑉 ℎ𝑓=𝑓 𝐿/𝐷 𝑉^2/2𝑔𝑅𝑒=𝑉𝐷/𝜐 ℎ_𝑚=𝐾 𝑉^2/2𝑔

Satuan Perhitungan Kehilangan mayor dan minor

Liter/orang/hari

Liter/orang/hari Lantai 1Liter/orang/hari 1. Pipa 1 2. Pipa 2

Liter/orang/hari = 0.01053 lt/dt

Liter/orang/hari = 0.00001053

= 0.0127 m

= 0.000127

= 0.083144 m/dt

= 10.4 m

Ks = 0.2 m Ks

Ks/d = 15.748031496 Ks/d

Re = 1.4846079031 (Aliran Laminer) Re

= 43.109025533

= 12.20192866 m

= 0 m

4. Pipa 4 5. Pipa 5

= 0.00602 lt/dt

= 0.00000602

= 0.0127 m

= 0.000127

= 0.047511 m/dt

= 0.104 m

Ks = 0.2 m Ks

Ks/d = 15.748031496 Ks/dRe = 0.8483473732 (Aliran Laminer) Re

= 75.440794683

= 0.06972531 m

= 0 m

7. Pipa 7

= 0.00451 lt/dt

= 0.00000451

= 0.0127 m

= 0.000127

= 0.035633 m/dt

= 0.14 m

Ks = 0.2 m

Q1 Q2

m3/dt

D1 D2

A1 m2 A2

V1 V2

L1 L2

f1 f2

hf1 hf2

hm1 hm2

Q4 Q5

m3/dt

D4 D5

A4 m2 A5

V4 V5

L4 L5

f4 f5

hf4 hf5

hm4 hm5

Q4

m3/dt

D4

A4 m2

V4

L4

ℎ𝑓=𝑓 𝐿/𝐷 𝑉^2/2𝑔ℎ_𝑚=𝐾 𝑉^2/2𝑔

Ks/d = 15.748031496Re = 0.6362605299 (Aliran Laminer)

= 100.58772624

= 0.07039574 m

= 0 m

Perhitungan Kehilangan mayor dan minor

Lantai 28. Pipa 8 (naik) 9. Pipa 9

= 0.00451 lt/dt

= 0.00000451

= 0.0127 m

= 0.000127

= 0.035633 m/dt

= 4 m

Ks = 0.2 m KsKs/d = 15.748031496 Ks/dRe = 0.6362605299 (Aliran Laminer) Re

= 100.58772624

= 2.01130692 m

= 0.000062216 m

11. Pipa 11

= 0.00150 lt/dt

= 0.00000150

= 0.0127 m

= 0.000127

= 0.011878 m/dt

= 0.368 m

Ks = 0.2 mKs/d = 15.748031496Re = 0.212086843 (Aliran Laminer)

= 301.76317873

= 0.06168008 m

= 0.000006913 m

f4

hf4

hm4

Q8 Q9

m3/dt

D8 D9

A8 m2 A9

V8 V9

L8 L9

f8 f9

hf8 hf9

hm8 hm9

Q8

m3/dt

D8

A8 m2

V8

L8

f8

hf8

hm8

Lantai 13. Pipa 3

= 0.01053 lt/dt = 0.00752 lt/dt

= 0.00001053 = 0.00000752

= 0.0127 m = 0.0127 m

= 0.009975 = 0.000127

= 0.001056 m/dt = 0.059388 m/dt

= 0.449 m = 9.151 m

= 0.2 m Ks = 0.2 m

= 15.74803149606 Ks/d = 15.7480314961

= 0.018854520369 (Aliran Laminer) Re = 1.06043421647 (Aliran Laminer)

= 3394.411459313 = 60.3526357466

= 0.00669029 m = 7.66894569 m

= 0.000000055 m = 0 m

6. Pipa 6

= 0.00602 lt/dt = 0.00451 lt/dt

= 0.00000602 = 0.00000752

= 0.0127 m = 0.0127 m

= 0.000127 = 0.000127

= 0.047511 m/dt = 0.059388 m/dt

= 5.132 m = 2.219 m

= 0.2 m = 0.2 m

= 15.74803149606 Ks/d = 15.7480314961= 0.848347373178 (Aliran Laminer) Re = 1.06043421647 (Aliran Laminer)

= 75.44079468322 = 60.3526357466

= 3.44067571 m = 1.85962086 m

= 0.000110606 m = 0 m

Q3

m3/dt m3/dt

D3

m2 A3 m2

V3

L3

f3

hf3

hm3

Q6

m3/dt m3/dt

D6

m2 A6 m2

V6

L6

K6

f5

hf6

hm6

Lantai 210. Pipa 10

= 0.00451 lt/dt = 0.00451 lt/dt

= 0.00000451 = 0.00000451

= 0.0127 m = 0.0127 m

= 0.000127 = 0.000127

= 0.035633 m/dt = 0.035633 m/dt

= 7.516 m = 3.949 m

= 0.2 m Ks = 0.2 m= 15.74803149606 Ks/d = 15.7480314961= 0.636260529884 (Aliran Laminer) Re = 0.636260530 (Aliran Laminer)

= 100.5877262443 = 100.587726244

= 3.77924571 m = 1.98566276 m

= 0 m = 0.000062216 m

Q8

m3/dt m3/dt

D8

m2 A8 m2

V8

L8

f8

hf8

hm8

Total Kehilangan Energi mayor dan minor

Lantai 1 Lantai 2

Pipa 1= 12.20192866 m

Pipa 82.01130692

= 0 m 0.000

Pipa 2= 0.00669029 m

Pipa 93.77924571

= 0.000000055 m 0.00000000

Pipa 3= 7.66894569 m

Pipa 101.98566276

= 0 m 0.00006222

Pipa 4= 0.06972531 m

Pipa 110.06168008

= 0 m 0.00000691

Pipa 5= 3.44067571 m Jumlah hf & hm 7.83802681

= 0.000110606 m

Pipa 6 = 1.859620859

= 0

Pipa 7 = 0.07039574

= 0

Jumlah hf & hm = 13.109646734 m

Jumlah Keseluruhan = 13.17132681 m

hf1 hf8

hm1 hm8

hf2 hf9

hm2 hm9

hf3 hf10

hm3 hm10

hf4 hf11

hm4 hm11

hf5

hm5

hf6

hm6

hf7

hm7

Total Kehilangan Energi mayor dan minor

m

m

m

m

m

m

m

m

m