LAMPIRAN A DATA MENTAH

(1)

LAMPIRAN A DATA MENTAH

Tabel A. 1 Data Scada Pada Aliran Co-Current dan Counter Current

(2)

Tabel A. 2 Data Teoritis Pada Aliran Co-Current dan Counter Current

(3)

LAMPIRAN B PERHITUNGAN

A. Co-Current

1. Perhitungan Nilai ΔT1

 Temperatur 40ᵒC ΔT1 = Th in - Tc in

= 37,1196 - 30,231

= 6,88859

= 40,3181 – 30,4352

= 9,88284

= 44,6544 – 30,8066

= 13,8478

= 48,1939 – 31,1484

= 17,0455 2. Perhitungan Nilai ΔT2

 Temperatur 40ᵒC

ΔT2 = Th out - Tc out

= 33,9671 – 32,558

= 1,40919

= 35,5887 – 33,8435

= 1,74512

(4)

= 37,6119 – 35,3716

= 2,24031

= 38,909 – 36,2829

= 2,62616 3. Perhitungan Nilai ΔT LMTD

 Temperatur 40ᵒC ΔT LMTD =

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

1,40919−6,88859 ln

(

^1,409196,88859

)

= 3,4529986

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

1,74512−9,88284 ln

(

^{1,74512 2}9,88284

)

= 4,6930996

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

2,24031−13,8478 ln

(

^2,2403113,8478

)

= 6,3724378

(5)

ΔT LMTD =

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

2,62616−17,0455 ln

(

17,045 5^2,62616

)

= 7,709372 4. Perhitungan Nilai ΔTh

ΔTh = Th out – Th in = 33,9671 - 37,1196 = 3,152422

ΔTh = Th out – Th in = 35,5887 – 40,3181 = 4,729397

ΔTh = Th out – Th in = 37,6119 – 44,6544 = 7,04251

ΔTh = Th out – Th in = 38,909 – 48,1939 = 9,284853

5. Perhitungan Nilai ΔTc

ΔTc = Tc out – Tc in = 32,558 – 30,231 = 2,326975

ΔTc = Tc out – Tc in

(6)

= 33,8435 – 30,4352 = 3,408316

ΔTc = Tc out – Tc in = 35,3716 – 30,8066 = 4,564962

ΔTc = Tc out – Tc in = 36,2829 – 31,1484 = 5,134488

6. Perhitungan Nilai mH

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,671381000

)

^×

(

60¹

)

= 0,027494138

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,62551000

)

^×

(

60¹

)

= 0,026739543

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,452521000

)

^×

(

60¹

)

= 0,02389397

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

(7)

= 987,1 ×

(

^1,226461000

)

^×

(

60¹

)

= 0,020175187 7. Perhitungan Nilai mC

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,8961000

)

^×

(

60¹

)

= 0,031189144

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,934531000

)

^×

(

60¹

)

= 0,03182301

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,933751000

)

^×

(

60¹

)

= 0,031810133

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,916481000

)

^×

(

60¹

)

= 0,031526123 8. Perhitungan Nilai Qh

Qh = ΔTh × mH × Cp

(8)

= 3,152422 × 0,027494138 × 4178 = 362,1203041

= 4,729397 × 0,026739543 × 4178 = 528,3578745

= 7,04251 × 0,02389397 × 4178 = 703,0467357

= 9,284853 × 0,020175187 × 4178 = 782,6381612

9. Perhitungan Nilai Qc

Qc = ΔTc × mC × Cp

= 2,326975 × 0,031189144 × 4178 = 303,2239984

= 3,408316 × 0,03182301 × 4178 = 453,1578682

= 4,564962 × 0,031810133 × 4178 = 606,6960115

= 5,134488 × 0,031526123 × 4178 = 676.2949414

(9)

10. Perhitungan Nilai U

U = Qh

(A × ΔT LMTD) = 362,1203041

(0,432×3,4529986) = 242,7575

U = Qh

(A × ΔT LMTD) = 528,3578745

(0,432×4,6930996) = 260,6062

U = Qh

(A × ΔT LMTD) = 703,0467357

(0,432×6,3724378) = 255,3847

U = Qh

(A × ΔT LMTD) = 782,6381612

(0,432×7,709372) = 234,9948

11. Perhitungan Nilai Cc

 Temperatur 40ᵒC Cc = Cp × mC

= 4178 × 0,031189144 = 130,308242

= 4178 × 0,03182301

(10)

= 132,956535

= 4178 × 0,031810133 = 132,9027377

= 4178 × 0,031526123 = 131,7161439

12. Perhitungan Nilai Ch

 Temperatur 40ᵒC Ch = Cp × mH

= 4178 × 0,027494138 = 114,87051

= 4178 × 0,026739543 = 111,71781

= 4178 × 0,02389397 = 99,829006

= 4178 × 0,020175187 = 84,291932

13. Perhitungan Nilai NTU

 Temperatur 40ᵒC NTU = U × A

Ccold

(11)

= 242,7575×0,432 130,308242 = 0,80479

Ccold

= 260,6062×0,432 132,956535 = 0,84676

Ccold

= 255,3847×0,432 132,9027377 = 0,83013

Ccold

= 234,9948×0,432 131,7161439 = 0,77073

14. Perhitungan eff

eff = Tcout−Tcin

Thin−Tcin ×100 % = 32,558−30,231

37,1196−30,231×100 % = 33,7802

Thin−Tcin ×100 % = 33,8435−30,4352

40,3181−30,4352×100 % = 34,4872

(12)

Thin−Tcin ×100 % = 35,3716−30,8066

44,6544−30,8066×100 % = 32,9653

Thin−Tcin ×100 % = 36,2829−31,1484

48,1939−31,1484×100 % = 30,1223

15. Perhitungan NRedh

Nre Hot = ρ× Sc−1× Dh mu, h × Ah×60000 = 987,1×1,67138×0,00387

0,000769×0,00021×60000 = 643,62111

0,000769×0,00021×60000 = 625,95648

0,000769×0,00021×60000 = 559,34335

Nre Hot = ρ× Sc−1× Dh mu, h × Ah×60000

(13)

= 987,1×1,22646×0,00387 0,000769×0,00021×60000 = 472,2889

16. Perhitungan NRedc

Nre Cold = ρ × Sc−2× Dc mu, c × Ac ×60000 = 987,1×1,896×0,00387

0,000769×0,00021×60000 = 7301,1894

 Nre Cold = ρ × Sc−2× Dc mu, c × Ac ×60000 = 987,1×1,93453×0,00387

0,000769×0,00021×60000 = 7449,5736

0,000769×0,00021×60000 = 7446,5594

Nre Cold = ρ× Sc−2× D c mu, c × A c ×60000 = 987,1×1,91648×0,00387

0,000769×0,00021×60000 = 7380,0743

B. Counter Current

1. Perhitungan Nilai ΔT1

= 39,2377 - 36,1913

(14)

= 3,04645

= 40,1438 – 37,2386

= 2,9052

= 43,354 – 39,3962

= 3,95778

= 47,4242 – 40,9596

= 6,46461 2. Perhitungan Nilai ΔT2

= 33,9463 – 31,3204

= 2,62589

= 34,4383 – 31,3584

= 3,07987

= 35,4366 – 31,4456

= 3,99101

= 35,2486 – 30,9262

= 4,32241

(15)

3. Perhitungan Nilai ΔT LMTD

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

2,62589−3,04645 ln

(

^{2, 62589}3,04645

)

= 2,8309656

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

3,07987−2,9052 ln

(

^3,079872,9052

)

= 2,991685

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

3,99101−3,95778 ln

(

^3,991013,95778

)

= 3,974374

ΔT2−ΔT1 ln

(

^ΔTΔT²1

)

=

4,32241−6,46461 ln

(

^4,322416,46461

)

= 5,3218449 4. Perhitungan Nilai ΔTh

(16)

ΔTh = Th out – Th in = 33,9463 – 39,2377 = 5,291423

ΔTh = Th out – Th in = 34,4383 – 40,1438 = 5,705524

ΔTh = Th out – Th in = 35,4366 – 43,354 = 7,917398

ΔTh = Th out – Th in = 35,2486 – 47,4242 = 12,17555

5. Perhitungan Nilai ΔTc

ΔTc = Tc out – Tc in = 31,3204 – 36,1913 = 4,870866

ΔTc = Tc out – Tc in = 31,3584 – 37,2386 = 5,8802

ΔTc = Tc out – Tc in = 31,4456 – 39,3962 = 7,950622

ΔTc = Tc out – Tc in

(17)

= 30,9262 – 40,9596 = 10,03334

6. Perhitungan Nilai mH

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,707881000

)

^×

(

60¹

)

= 0,028094565

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,709341000

)

^×

(

60¹

)

= 0,028118614

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,707391000

)

^×

(

60¹

)

= 0,028086548

mH = ρ ×

(

1000^SC¹

)

^×

(

60¹

)

= 987,1 ×

(

^1,601391000

)

^×

(

60¹

)

= 0,026342924 7. Perhitungan Nilai mC

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

(18)

= 987,1 ×

(

^1,697141000

)

^×

(

60¹

)

= 0,027917877

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,655041000

)

^×

(

60¹

)

= 0,027225459

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,698781000

)

^×

(

60¹

)

= 0,02794488

mC = ρ ×

(

1000^SC²

)

^×

(

60¹

)

= 987,1 ×

(

^1,76551000

)

^×

(

60¹

)

= 0,029042399 8. Perhitungan Nilai Qh

= 5,291423 × 0,028094565 × 4178 = 621,1024319

= 5,705524 × 0,028118614 × 4178 = 670,2824936

(19)

= 7,917398 × 0,028086548 × 4178 = 929,0717547

= 12,17555 × 0,026342924 × 4178 = 1340,049553

9. Perhitungan Nilai Qc

= 4,870866 × 0,027917877 × 4178 = 568,1421496

= 5,8802 × 0,027225459 × 4178 = 668,8608455

= 7,950622 × 0,02794488 × 4178 = 928,2646378

= 10,03334 × 0,029042399 × 4178 = 1217,436893

10. Perhitungan Nilai U

U = Qh

(A × ΔT LMTD) = 621,1024319

(0,432×2,8309656) = 507,861

(20)

U = Qh

(A × ΔT LMTD) = 670,2824936

(0,432×2,991685) = 518,6308

U = Qh

(A × ΔT LMTD) = 929,0717547

(0,432×3,974374) = 541,124

U = Qh

(A × ΔT LMTD) = 1340,049553

(0,432×5,3218449) = 582,8743

11. Perhitungan Nilai Cc

= 4178 × 0,027917877 = 116,6408919

= 4178 × 0,027225459 = 113,749691

= 4178 × 0,02794488 = 116,7537102

(21)

Cc = Cp × mC

= 4178 × 0,029042399 = 121,339145

12. Perhitungan Nilai Ch

= 4178 × 0,028094565 = 117,37909

= 4178 × 0,028118614 = 117,47957

= 4178 × 0,028086548 = 117,3456

= 4178 × 0,026342924 = 110,06074

13. Perhitungan Nilai NTU

Ccold

= 507,861×0,432 116,6408919 = 1,88095

Ccold

(22)

= 518,6308×0,432 113,7479691 = 1,96969

Ccold

= 541,124×0,432 116,7537102 = 2,00221

Ccold

= 582,8743×0,432 121,339145 = 2,07519

14. Perhitungan eff

Thin−Tcin ×100 % = 31,3204−36,1913

39,2377−36,1913×100 % = -159,887

Thin−Tcin ×100 % = 31,3584−37,2386

40,1438−37,2386×100 % = -202,403

Thin−Tcin ×100 % = 31,4456−39,3962

43,354−39,3962 ×100 % = -200,886

(23)

Thin−Tcin ×100 % = 30,9262−40,9596

47,4242−40,9596×100 % = -155,204

15. Perhitungan NRedh

0,000769×0,00021×60000 = 657,67673

0,000769×0,00021×60000 = 658,23969

0,000769×0,00021×60000 = 657,48907

0,000769×0,00021×60000 = 616,67188

16. Perhitungan NRedc

(24)

0,000769×0,00021×60000 = 6535,4058

 Nre Cold = ρ × Sc−2× Dc mu, c × Ac ×60000 = 987,1×1,65504×0,00387

0,000769×0,00021×60000 = 6373,3149

0,000769×0,00021×60000 = 6541,7271

0,000769×0,00021×60000 = 6798,6496