Fluida Encer.docx

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RUN

Fluida Encer Suhu (T)

: 27oC

Densitas (ρ)

: 1,0760 g/ml

Viscositas (µ)

: 9,96x10-4 kg/ms

Kecepatan

t1

t2

t rata-rata

(rpm)

(detik)

(detik)

(detik)

1

62,4

38,37

20,5

29,435

2

117,6

17,45

13,85

15,65

3

170,8

10,81

7,78

9,295

4

219,1

6,65

5,57

6,11

5

257,3

4,88

5,18

5,03



RUN

Fluida Padat Suhu (T)

: 38oC

Densitas (ρ)

: 1,0763 g/ml

Viscositas (µ)

: 2,15kg/ms

Kecepatan

t1

t2

t rata-rata

(rpm)

(detik)

(detik)

(detik)

1

64,3

374,07

164,45

269,26

2

116,7

224,64

91,913

158,27

3

170,9

149,47

28,01

88,785

4

217,9

16,62

9,8

13,21

5

258

9,34

8,33

8,835

Keterangan: t1 = Waktu Pengadukan Fluida NaOH Encer t2 = Waktu Pengadukan Fluida H2SO4 Encer



Setelah Penambahan NaOH (t1) 

Kecepatan Putar 64,3 rpm 𝐷2 𝑁𝜌 𝑁𝑟𝑒 = 𝜇

kg 64,3 60 𝑟𝑝𝑠) (1081,71 m3 ) 𝑘𝑔 9,96x10−4 𝑚𝑠

(0,2 𝑚)2 ( =

= 46555,5241 

Kecepatan Putar 117,6 rpm kg 117,6 (0,2 𝑚)2 ( 𝐷2 𝑁𝜌 60 𝑟𝑝𝑠) (1089,5 m3 ) 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 85759,83936 

Kecepatan Putar 170,8 rpm kg 2 170,8 𝐷2 𝑁𝜌 (0,2 𝑚) ( 60 𝑟𝑝𝑠) (1095,08 m3 ) 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 125193,8849



Kecepatan Putar 219,1 rpm kg 219,1 (0,2 𝑚)2 ( 𝑟𝑝𝑠) (1100,59 ) 𝐷2 𝑁𝜌 60 m3 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 161405,1332



Kecepatan Putar 257,3 rpm kg 257,3 (0,2 𝑚)2 ( 𝐷2 𝑁𝜌 60 𝑟𝑝𝑠) (1106,03 m3 ) 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 190482,9444



Setelah Penambahan H2SO4 (t2) 

Kecepatan Putar 64,3 rpm kg 64,3 60 𝑟𝑝𝑠) (1081,71 m3 ) 𝑘𝑔 9,96x10−4 𝑚𝑠

(0,2 𝑚)2 (

𝐷2 𝑁𝜌 𝑁𝑟𝑒 = 𝜇

=

= 46555,52 

Kecepatan Putar 117,6 rpm kg 117,6 (0,2 𝑚)2 ( 𝐷2 𝑁𝜌 60 𝑟𝑝𝑠) (1087,35 m3 ) 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 85590,6 

Kecepatan Putar 170,8 rpm kg 2 170,8 𝐷2 𝑁𝜌 (0,2 𝑚) ( 60 𝑟𝑝𝑠) (1092,93 m3 ) 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 124948,09



Kecepatan Putar 219,1 rpm kg 219,1 (0,2 𝑚)2 ( 60 𝑟𝑝𝑠) (1098,44 m3 ) = 𝑘𝑔 9,96x10−4 𝑚𝑠

𝐷2 𝑁𝜌 𝑁𝑟𝑒 = 𝜇

= 161089,83



Kecepatan Putar 257,3

rpm

kg 257,3 (0,3439 𝑚)2 ( 𝑟𝑝𝑠) (1103,88 ) 𝐷2 𝑁𝜌 60 m3 𝑁𝑟𝑒 = = 𝑘𝑔 𝜇 9,96x10−4 𝑚𝑠 = 190112,67 3.1.2 Menghitung Blending Time 

Setelah Penambahan NaOH (t1)

2  Da  t T (nDa ) 2 / 3 g 1 / 6 ft   nt T   H 1 / 2 Dt  Dt 



3/ 2

 Dt  H   

1/ 2

Kecepatan Putar 64,3 rpm Sebelumnya menentukan mixing time factor Nre

= 46555,5241

10x

= 46555,5241

xlog10 = log 46555,5241 x

= 4,668 10x

=

104,668diplotkan pada grafik ntT vs Nre

ntT = 101,5 =

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 64,3 2 𝑥0,2

= 4,14 

Kecepatan Putar 117,6 rpm Sebelumnya menentukan mixing time factor Nre

= 85759,83936

10x

= 85759,83936

x

log10 = log 85759,83936

x

= 4,933

10x

=

104,933diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 117,62 𝑥0,2

=3,85

 g   2   n Da 

1/ 6



Kecepatan Putar 170,8 rpm Sebelumnya menentukan mixing time factor Nre

= 125193,8849

10x

= 125193,8849

x

log10 = log 125193,8849

x

= 5,098

10x

=

105,098diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt  𝑓𝑡 = 31,623 [

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 ] [ ] [ ] 0,3439 0,9 170,82 𝑥0,2

=2,989 

Kecepatan Putar 219,1 rpm Sebelumnya menentukan mixing time factor Nre

= 161405,1332

10x

= 161405,1332

log10 = log 161405,1332 x

= 5,208

10x

=

105,028diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 219,12 𝑥0,2

=2,751



Kecepatan Putar 257,3 rpm Sebelumnya menentukan mixing time factor Nre

= 190482,9444

10x

= 190482,9444

x

log10 = log 190482,9444

x

= 5,28

10x

=

105,28diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  nt T    Dt 

3/ 2

 Dt  H   

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 257,32 𝑥0,2

=2,67

 Setelah Penambahan H2SO4 (t2)

2  Da  t T (nDa ) 2 / 3 g 1 / 6 ft   nt T   H 1 / 2 Dt  Dt 



Kecepatan Putar 64,3 rpm Sebelumnya menentukan mixing time factor Nre

= 46555,52

10x

= 46555,52

x

log10 = log 46555,52

3/ 2

 Dt  H   

1/ 2

 g   2   n Da 

1/ 6

x

= 4,668

10x

= 104,668diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 64,32 𝑥0,2

= 4,14



Kecepatan Putar 117,6 rpm Sebelumnya menentukan mixing time factor Nre

= 85590,6

10x

= 85590,6

x

log10 = log 85590,6

x

= 4,932

10x

= 105,12diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 117,62 𝑥0,2

=3,385 

Kecepatan Putar 170,8 rpm Sebelumnya menentukan mixing time factor Nre = 124948,09 10x

= 124948,09

x

log10 = log 124948,09

x

= 5,097

10x

=

105,097diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt  𝑓𝑡 = 31,623 [

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 ] [ ] [ ] 0,3439 0,9 170,82 𝑥0,2

=2,99 

Kecepatan Putar 219,1 rpm Sebelumnya menentukan mixing time factor Nre

= 161089,83

10x

= 161089,83

x

log10 = log 161089,83

x

= 5,207

10x

= 105,207diplotkan pada grafik ntT vs Nre

ntT = =101,5=31,623

 Da  f t  ntT    Dt  𝑓𝑡 = 31,623 [

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 ] [ ] [ ] 0,3439 0,9 219,12 𝑥0,2

=2,75 

Kecepatan Putar 257,3 rpm Sebelumnya menentukan mixing time factor Nre

= 190112,67

10x

= 190112,67

x

log10 = log 190112,67 x

= 5,28

10x

= 105,28diplotkan pada grafik ntT vs Nre

ntT =101,5=31,623

 Da  f t  ntT    Dt 

3/ 2

 Dt   H 

1/ 2

 g   2   n Da 

1/ 6

1/6 0,2 3/2 0,3439 1/2 9,8 𝑓𝑡 = 31,623 [ ] [ ] [ ] 0,3439 0,9 257,32 𝑥0,2

=2,61

Run 1 2 3 4 5

Kecepatan Putar (rpm) 64,3 117,6 170,8 219,1 257,3

t1 (detik) 38,37 17,45 10,81 6,65 4,88

t2 (detik) 20,5 13,85 7,78 5,57 5,18

Bilangan Reynold (Nre) t1 t2 85759,83936 46555,52 125193,8849 85590,6 85759,83936 124948,09 161405,1332 161089,83 190482,9444 190112,67

Blending Time (menit) t1 4,14 3,85 2,989 2,751 2,67

t2 4,14 3,85 2,989 2,751 2,67

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