Calculos

PROPIEDADES DEL AIRE HMEDIOTiempos de secado

T(bulbo seco) C22DESPUES DEL SECADOKgtiempo(min)Wbandeja + arena humeda(kg)Warena humeda(kg)Wagua(kg)tiempo (h)Wagua(Kg)XX promRt secado cte.t graficot seca decret grafcioT(bulbo hmedo) C18Wbandeja+arena seca0.5500.59160.36180.041600.04160.12991880072.41.830.701.21Wbandeja baja0.2298100.58960.35980.03960.16666666670.03960.12367270460.12679575270.61.6666666667carta psicromtrocaWarena seca0.3202200.58720.35740.03720.33333333330.03720.11617738910.11992504680.77727272731.2865497076t .analiH absoluta , (KgAgua/KAireSeco)0.0113Ls0.3202300.58390.35410.03390.50.03390.10587133040.11102435980.91.11111111113.1Vairehu(m3AH/KgAireSeco0.851Area0.022400.58060.35080.03060.66666666670.03060.09556527170.10071830110.87272727271.1458333333t Graf500.57750.34770.02750.83333333330.02750.08588382260.09072454720.64090909091.56028368793.04Fraccin en peso de agua y aire en el AireHumedo600.57590.34610.025910.02590.08088694570.08338538410.61363636361.6296296296Yagua (Kg agua/ Kg aire humedo)0.0112700.5730.34320.0231.16666666670.0230.07183010620.07635852591.02272727270.9777777778Yaire seco(Kg aire seco/Kg aire humedo)0.9888800.56840.33860.01841.33333333330.01840.05746408490.06464709561.03636363640.9649122807900.56540.33560.01541.50.01540.04809494070.05277951280.76363636361.3095238095Viscosidad del AireHumedo1000.56280.3330.01281.66666666670.01280.03997501560.04403497810.751.3333333333agua(22C) (Kg/ms)0.00000971100.55990.33010.00991.83333333330.00990.03091817610.03544659590.73636363641.3580246914aire (22C) (Kg/ms)0.0000181200.55740.32760.007420.00740.02311055590.0270143660.58636363641.7054263566AireHumedo(20C) (Kg/ms)0.00001782951300.55560.32580.00562.16666666670.00560.01748906930.02029981260.43636363642.29166666671400.55420.32440.00422.33333333330.00420.0131168020.01530293570.27272727273.6666666667Densidad del aire hmedo1500.55360.32380.00362.50.00360.01124297310.01217988760.24545454554.0740740741Densidad AireHumedo (Kg aire humedo/m3aire humedo)1.188361600.55240.32260.00242.66666666670.00240.00749531540.00936914430.23181818184.31372549021700.55190.32210.00192.83333333330.00190.00593379140.00671455340.10909090919.1666666667Densidad del aceite1800.55160.32180.001630.00160.0049968770.0054653342-0.0265151515-37.7142857143

PruebaW. Picnometro (g)W. Picnometro + Aceite (g)W. Picnometro + agua (g)118.981740.70744.5357224.677468.927976.216

Muestraaceite, kg/m3aceite promedio, kg/m31848.2763852.47562856.6748

Velocidad max aireg (m/s2)9.81h(pulg)0.055h(m)0.001397c0.98Vmax(m/s)4.3424799381

Nmero de Reynolds mximodiametro (m)0.11388Re max32960.4686653763V/Vmax0.81
Kelly: Kelly:dato obtenido de la grfica del apendice XXIII del VALIENTE

Flujo masico

Velocidad3.5174087498radio (m)0.05694rea (m2)0.0101855573G (Kg AH/h)153.2703551664

Determinacin de la Humedad inicial (base seca)

W arena sec (g)318.384W agua (g)43.4186X (Agua/Aren sec+AGUA)0.1363718026

Determinacin de la Velocidad de secado

Ware hum= - 0,2943t+42.522 W(g) t(min)dW/dt (kg/h)0.017658A bandeja (m2)0.022dW/Adt (kg/h-m2)0.8026363636

Transmisin de calor conveccin

panelsalida del secadorentrada del secadorT(C)T bh (C)T bs (C)T bh (C)T bs (C)542024.9182254.22127192254.92023181954.419.5231819promedios54.37520.12524.47518.2520.5

w548.1kcal/kgH20

Coeficiente de transferencia de masa
Kelly: Kelly:no entiendo como hacer este calculo

dW/dt0.0176604396
Kike: Kike:kg/hA m20.022 kcal/kgH2O2438.05Tg54.375Tw19.1875hc55.6202611598