Perhitungan Penentuan Neraca Massa1. Mencari Rh dan YRh dan Y diperoleh dari psikrometrik chart. Pada t = 5 menit, Tw = 23oC, Td = 34oC diperoleh Rh 40% dan Y = 0,0132.2. Mencari Vh (Volume jenis udara)Pada t = 5 menit, Tin = 57,1oC.Vh = 22,4 x x x ( + x Y )= 22,4 x x x ( + x 0,0132 ) = 0,7949 m3/kg dry air.3. Mencari Luas Permukaan Luas permukaan = r2= 3,14 x (9,25 cm)= 268,6662 cm2 = 0,0269 m24. Mencari Laju Alir Udara Masuk (Gu1)Pada t = 5 menit, v = 8,55 m/s, Vh = 0,7949 m3/kg dry airGu1 = = x 3600 s = 1041,62 kg / menit5. Menghitung Neraca MassaNeraca massa: Gu1 ( y - yo ) t = W . Fy-y0 = 0,0148 0,0132 = 0,0016t = 5 menit = 0,0833 jamW = 0,3925 kgGu1 ( y - yo ) t = W . F F= = = 0,3538 Kg.air/Kg.UK6. Data Rh dan Y udara masuk dan udara keluarRUN 1Waktu (menit)Udara MasukUdara Keluar

T Masuk (C)T Kering (C)T Basah (C)RhYT Keluar(0C)T Kering(0C)T Basah(0C)RhY

029,92924660,017253123510,0144

531,330,521430,0182833,522,5400,013

1031,729,521470,01222935,523350,0125

1531,93021450,0123037,523,5280,012

2032,030,522490,0132303724310,013

2532,230,521430,0183136,522,5300,0115

3032,430,521430,0183137,522,5280,0114

3532,330,521430,0183137,52329,50,0119

4032,330,521,5460,0125313824310,013

4532,330,521,5460,0125313823,5300,0125

5032,33021450,012313823280,0116

RUN 2Waktu (menit)Udara MasukUdara Keluar

T Masuk (C)T Kering (C)T Basah (C)RhYT Keluar(0C)T Kering(0C)T Basah(0C)RhY

0612924660,019373724350,0135

550,23323420,014393825350,0148

10493222,5450,0135433824310,013

1561,23223470,039444225250,013

205531,522430,0136484425210,012

255531,525600,012504726190,0126

3057,334,523380,013504826180,012

35553423400,0132494725170,009

40563222420,0122484726190,0125

4556,43322,5520,162494725160,0109

5055,23723280,0115504625170,0111

RUN 3Waktu (menit)Udara MasukUdara Keluar

T Masuk (C)T Kering (C)T Basah (C)RhYT Keluar(0C)T Kering(0C)T Basah(0C)Rh

Y

0543423400,0132312823660,0158

557,133,523410,0132363825350,0148

1056,63523,5380,0135414126,5330,016

15533623330,0124464225,5270,0138

20543623330,01244743,526,5270,015

2553,73522,5350,0125494626200,013

305635,523350,0125484626200,013

3553,536,523310,0122494725180,0109

4056,53623330,0124504626,5220,0135

4556,23422,5380,01255146,526,5210,0135

5054,53723300,012514526220,0132

7. Data Vh, v, Gu1, dan FRUN 1Waktu (menit)T Masuk (C)YYVh(m3/kg dry air)v(m/s)G(kg / jam)F(Kg.air/Kg.UK)

029,90,0170,01440,73373710,281212,5220

531,30,0180,0130,73828410,841270,699-1,32269

1031,70,01220,01250,73254110,881285,3870,160557

1531,90,0120,0120,7327910,711264,8730

2032,00,01320,0130,73442110,571245,566-0,20744

2532,20,0180,01150,74046810,861269,289-8,58792

3032,40,0180,01140,74095310,781259,114-10,3802

3532,30,0180,01190,7407110,811263,032-11,2276

4032,30,01250,0130,73433211,091307,0011,088379

4532,30,01250,01250,7343329,061067,7580

5032,30,0120,01160,7337529,321099,268-0,91539

RUN 2Waktu (menit)T Masuk (C)YYVh(m3/kg dry air)v(m/s)G(kg / jam)F(Kg.air/Kg.UK)

0610,0190,01350,81163,59451,25950

550,20,0140,01480,77924,84633,66590,084455

10490,01350,0130,77576,38839,0607-0,13979

1561,20,0390,0130,83754,43539,6415-7,01253

20550,01360,0120,79032,63339,5017-0,36199

25550,0120,01260,78833,42442,59780,22121

3057,30,0130,0120,79514,51578,6808-0,57845

35550,01320,0090,78983,55458,5520-2,24601

40560,01220,01250,79103,48448,85190,179469

4556,40,1620,01090,97943,62463,4133-3,68266

5055,20,01150,01110,78823,2414,2016-0,27602

RUN 3Waktu (menit)T Masuk (C)YYVh(m3/kg dry air)v(m/s)G(kg / jam)F(Kg.air/Kg.UK)

0540,01320,01580,78749,681190,52110,0000

557,10,01320,01480,79498,551041,66980,3539

1056,60,01350,0160,79409,281131,78721,2015

15530,01240,01380,78409,111125,27511,0034

20540,01240,0150,78648,311023,31942,2596

2553,70,01250,0130,78589,401158,42540,6149

30560,01250,0130,79139,291136,86570,7241

3553,50,01220,01090,78509,541176,9563-2,2739

4056,50,01240,01350,79248,911088,88052,0344

4556,20,01250,01350,79189,161120,27592,1407

5054,50,0120,01320,78719,101119,59902,8525

Laju Perpindahan MassaM = Gu (y-yo)RUN 1Waktu (menit)YYG (kg/jam)M(kg/jam)

00,01440,0171212,522-3,1526

50,0130,0181270,699-6,3535

100,01250,01221285,3870,3856

150,0120,0121264,8730,0000

200,0130,01321245,566-0,2491

250,01150,0181269,289-8,2504

300,01140,0181259,114-8,3102

350,01190,0181263,032-7,7045

400,0130,01251307,0010,6535

450,01250,01251067,7580,0000

500,01160,0121099,268-0,4397

RUN 2Waktu (menit)YYG (kg/jam)M (kg/jam)

00,01350,019451,2595-2,4819

50,01480,014633,66590,5069

100,0130,0135839,0607-0,4195

150,0130,039539,6415-14,0307

200,0120,0136339,5017-0,5432

250,01260,012442,59780,2656

300,0120,013578,6808-0,5787

350,0090,0132458,5520-1,9259

400,01250,0122448,85190,1347

450,01090,162463,4133-2,4561

500,01110,0115414,2016-0,1657

RUN 3Waktu (menit)YYG (kg/jam)M (kg/jam)

00,01580,01321190,52113,095355

50,01480,01321041,66981,666672

100,0160,01351131,78722,829468

150,01380,01241125,27511,575385

200,0150,01241023,31942,66063

250,0130,01251158,42540,579213

300,0130,01251136,86570,568433

350,01090,01221176,9563-1,53004

400,01350,01241088,88051,197769

450,01350,01251120,27591,120276

500,01320,0121119,59901,343519

Menghitung kalor yang dilepaskan oleh steamQ=Massa steam x ( hg + hfg hf )Keterangan: massa steam yang digunakan = massa kondensatRUN 1 (tidak dapat dihitung karena tidak menggunakan steam)RUN 2WaktuM (kg/jam)T masuk (C)Hg (KJ/Kg)Hf (KJ/Kg)Hfg (KJ/Kg)Q (KJ/jam)

00,96612611,34255,322356,024523,5584

50,9650,22592,45210,172382,284573,9776

100,96492590,32205,152385,174579,5264

150,9661,22611,69256,152355,544522,6368

200,96552600,9230,232370,674551,6864

250,96552600,9230,232370,674551,6864

300,9657,32604,9239,842365,064540,9152

350,96552600,9230,232370,674551,6864

400,96562602,64234,412368,234547,0016

450,9656,42603,34236,082367,264545,1392

500,9655,22601,25231,072370,184550,7456

RUN 3WaktuM (kg/jam)T masuk (C)Hg (KJ/Kg)Hf (KJ/Kg)Hfg (KJ/Kg)Q (KJ/jam)

02,304542599,14226,052373,09656111,92

52,30457,12604,55239,012365,54654024,50

102,30456,62603,68236,922366,76654361,80

152,304532597,38221,872375,51656781,00

202,304542599,14226,052373,09656111,92

252,30453,72598,61224,82373,81656310,99

302,304562602,64234,412368,23654768,23

352,30453,52598,26223,962374,3656446,46

402,30456,52629,9236,52393,4661727,23

452,30456,22602,99235,252367,74654632,76

502,30454,52600,2228,142372,06655827,15

Menghitung panas yang dilepas oleh udara (Panas Sensibel)Q2= ( U1 x H1 ) ( U2 x H2 ) + ( U1 x 1 )

RUN 2WaktuUHUHQ

0451,259582990,4056822260975636,6

5633,665977,5852,18688722601407054

10839,060776886,64878222601887341

15539,641577,5906,54888722601182542

20339,501773,5785,7394872260723868

25442,597887841,7583922260961335,3

30578,680877,5754,62629222601283241

35458,552077,5882,2684872260995107,9

40448,851973,5849,7758922260969216,6

45463,413376793,89478722601013465

50414,201677,5813,5288872260897419,2

RUN 3WaktuUHUHQ

01190,521177,51191,04177,522602690537,43

51041,669877,51233,3318722602327603,40

101131,7872801009,92994,522602552943,76

151125,275177,51141,13389,522602528199,24

201023,319477,5956,208494,522602301647,44

251158,425476990,74959222602614932,76

301136,865777,51145,4819222602552039,38

351176,956377,5977,74798722602666071,38

401088,880577,51123,80194,522602439059,07

451120,2759761166,23794,522602506755,12

501119,599077,51140,7229222602512116,27

Menghitung kalor yang diterima oleh unggun (Panas Laten)RUN 1Waktu (menit)Laju massa unggun (kg/jam)Cp (KJ/Kg.C)T0(C)T(C)Q (KJ/jam)

00,48034,22529,99,8846

50,48034,22831,36,6570

100,48034,22931,75,4466

150,48034,23031,93,8328

200,48034,230324,0345

250,48034,23132,22,4207

300,48034,23132,42,8242

350,48034,23132,32,6224

400,48034,23132,32,6224

450,48034,23132,32,6224

500,48034,23132,32,6224

RUN 2Waktu (menit)Laju massa unggun (kg/jam)Cp (KJ/Kg.C)T0(C)T(C)Q (KJ/jam)

00,60024,2613760,50016

50,60024,250,23928,23341

100,60024,2494315,12504

150,60024,261,24443,35845

200,60024,2554817,64588

250,60024,2555012,6042

300,60024,257,35018,40213

350,60024,2554915,12504

400,60024,2564820,16672

450,60024,256,44918,65422

500,60024,255,25013,10837

RUN 3Waktu (menit)Laju massa unggun (kg/jam)Cp (KJ/Kg.C)T0(C)T(C)Q (KJ/jam)

00,47044,2543145,4406

50,47044,257,13641,6868

100,47044,256,64130,8206

150,47044,2534613,8298

200,47044,2544713,8298

250,47044,253,7499,2857

300,47044,2564815,8054

350,47044,253,5498,8906

400,47044,256,55012,8419

450,47044,256,25110,2735

500,47044,254,5516,9149

Efisiensi PengeringanRUN 2WaktuQQ unggunQEfisiensi

06785,337660,50016975636,60,701679

56860,966428,2334114070540,489619

106869,289615,1250418873410,364768

156783,955243,3584511825420,577342

206827,529617,645887238680,945639

256827,529612,6042961335,30,711524

306811,372818,4021312832410,532229

356827,529615,12504995107,90,687629

406820,502420,16672969216,60,705794

456817,708818,6542210134650,674554

506826,118413,10837897419,20,762099

RUN 3WaktuQQ unggunQEfisiensi

010935,1987245,440642690537,4310,4081

510900,4083241,6868482327603,3980,4701

1010906,0300830,8206082552943,7590,4284

1510946,3500813,829762528199,2440,4335

2010935,1987213,829762301647,4380,4757

2510938,516489,2856962614932,7650,4187

3010912,8038415,805442552039,3790,4282

3510940,77448,890562666071,3790,4107

4011028,787212,841922439059,0660,4527

4510910,5459210,2735362506755,1190,4357

5010930,452486,914882512116,2740,4354