# Conversao de unidades de medidas

Páginas: 7 (1681 palavras) Publicado: 13 de maio de 2013
1 m = 3.281 ft = 39.37 in = 6.214E–4 mi = 1E6 µm = 1E9 nm = 1E12 pm 1 mi =1609 m C O M P R I M E N T O 1 ft = 0.3048 m = 12 in = 0.333 yd S U P E R F Í C I E V M O A L S U M S E A
1 in = 2.540 cm 1 Å = 1E–10 m 1 ua = 1.495 98E11 m 2 2 2 1 ft = 0.0929 m2 1 m = 10.76 ft 1 m3 = 35.31 ft3 = 6.102E4 in3 = 1000 L = 1E6 mL= = 264.2 USgal = 220.0 UKgal 1 ft3 = 0.028 32 m3 1 USgal= 3.785 dm3 1 UKgal = 4.546 dm3 1 lb = 0.4536 kg = 453.6 g 1 kg = 1000 g = 2.205 lb 1 t = 1 Mg = 1E3 kg 1 u =1.6605E–27 kg 1 lb/ft3 =16.02 kg/m3 1 kg/m3 = 1E–3 g/cm3 = 62.43E–3 lb/ft3 1 g/cm3 = 1000 kg/m3 = 62.43 lb/ft3 1 mol =2.205E–3 lbmol 1 kmol = 2.205 lbmol 1 lbmol = 453.6 mol

MASSA VOLÚMICA Q U A N T I D A D E D E M A T É R I A F O R Ç A

1 lbf = 4.448 N 1 kgf = 9.807 N = 2.205 lbf 1 Pa= 1 N/m2 = 208.9E–4 lbf/ft2 = 9.869E–6 atm = 1.450E–4 psi = = 1.020E–5 kgf/cm2 = 1 E–5 bar = 7.501E–3 mmHg = 0.1020 kgf/m2 P R E S S Ã O 1 bar = 1E5 Pa = 0.9869 atm 1 psi = 1 lbf/in2 = 144 lbf/ft2 = 6895 Pa 1 atm = 1.013E5 Pa = 760 mmHg = 2116 lbf/ft2 = 14.70 psi = 1.033 kgf/cm2 (mmHg a 0 oC) 1 mmHg = 1 Torr = 133.3 Pa 1 lbf/ft2 = 47.88 Pa 1 J = 1E7 erg = 0.7376 ft lbf = 0.2390 cal = 9.478E–4Btu* = 2.778E–7 kWh E N E R G I A 1 cal = 4.184 J = 3.968E–3 Btu = 3.966E–3 Btu* = 0.9993 cal* = 3.086 ft lbf 1 cal* = 4.187 J = 3.968E–3 Btu* = 3.971E–3 Btu = 1.001 cal * * Btu e cal–Unidades Termoquímicas 1 Btu = 1054 J = 0.9993 Btu = 252.0 cal = 251.8 cal 1 Btu* = 1055 J = 1.001 Btu = 252.0 cal* = 252.2 cal 1 kWh = 3.6E6 J Btu* e cal* – Valores da Tabela 1 eV = 1.602E–19 J Internacional de Vapor 1ft lbf = 1.286E–3 Btu = 1.356 J

1 N = 1E5 dyn = 0.2248 lbf = 0.1020 kgf

ENERGIA ESPECÍFICA ENERGIA MOLAR

1 J/kg = 0.4299E–3 Btu/lb = 0.2390 cal/kg = 0.3346 ft lbf/lb
1 Btu*/lb = 2.326 kJ/kg = 0.5559 kcal/kg = 778.2 ft lbf/lb 1 J/mol = 0.001 kJ/mol = 0.2390 cal/mol = 0.4299 Btu*/lbmol 1 kcal/mol = 4184 J/mol = 1799 Btu*/lbmol 1 Btu*/lbmol = 0.5559E–3 kcal/mol = 2.326 J/mol 1 W = 0.7376ft lbf/s = 1.341E–3 hp = 3.412 Btu*/h = 0.8598 kcal*/h 1 Btu*/s = 1055 W = 778.2 ft lbf/s = 1.415 hp 1 Btu*/h = 0.2931 W */h = 745.7 W 1 hp = 550.0 ft lbf/s = 2544 Btu 1 kcal/h = 1.162 W 2 */(h ft2) */(h ft2) = 3.155 W/m2 1 W/m = 0.3170 Btu 1 Btu o o o 1 K (∆T) = 1 C = 1.8 R = 1.8 F t/oC = (5/9) (t/oF - 32) o o o T/K = t/ C + 273.15 = (5/9) (t/ F + 459.67) = (5/9) T/ R T/oR = 1.8 T/K = t/oF +459.67 = 1.8 (t/oC + 273.15) t/oF = 1.8 t/oC + 32 1 W/(m K) = 0.8598 kcal*/(m h K) = 0.5778 Btu*/(ft h oF) = 4.018 lb ft/(s3 oF) 1 Btu*/(ft h oF) = 1.731 W/(m K) 1 lbf/(s oF) = 1.914E–2 cal/(s cm K) = 4.626 Btu*/(ft h o) = 8.007 W/(m K) 1 W/(m2 K) = 0.8598 kcal*/(m2 h K) = 0.1761 Btu*/(ft2 h oF) 1 kcal*/(m2 h K) = 1.163 W/(m2 K) = 0.2048 Btu*/(ft2 h oF) 1 Btu*/(ft2 h oF) = 5.678 W/(m2 K)

P O T Ê N CI A
(hp – unidade UK)

FLUXO DE ENERGIA TEMPERATURA CONDUTIVIDADE T É R M I C A COEFICIENTE DE TRANSFERÊNCIA D E C A L O R CAPACI. CALORÍFICA E ENTROPIA E S P E C Í F I C A S Cp E E N T R O P I A M O L A R E S

1 J/(kg K) = 0.2388E–3 Btu*/(lb oR) = 0.2388 cal*/(kg K)
1 kcal*/(kg K) = 1Btu*/(lb oR) = 4.187 kJ/(kg K) 1 cal*/(g K) = 1Btu*/(lb oR) 1 cal/(g oC) = 1 Btu/(lb oF)

1 J/(mol K) =0.2388 Btu*/(lbmol oF)
1 cal*/(mol oC) = 1 Btu*/(lbmol oF) = 4.187 J/(mol K)

1 Pa s = 1 kg/(m s) = 10 P = 1000 cP = 2419 lb/(ft h) = 0.6720 lb/(ft s) V I S C O S I D A D E 1 P = 1 g/(cm s) = 0.1 Pa s = 100 cP 1 lb/(ft h) = 4.134E–4 Pa s D I N Â M I C A 1 lb/(ft s) = 1.488 Pa s 1 m3/s = 3600 m3/h = 35.31 ft3/s = 2119 ft3/min = CAUDAL VOLÚMICO = 264.2 USgal/s = 220.0 UKgal/s CAUDAL FLUXO MOLARMOLAR
1 ft3/min = 471.9E–6 m3/s = 1.699 m3/h 1 USgal/s = 3.785 dm3/s 1 mol/s = 60 mol/min = 3600 mol/h = 2.205E–3 lbmol/s = 7.937 lbmol/h 1 mol/(m2 s) = 0.7373 lbmol/(ft2 h) 1 lbmol/(ft2 h) = 1.356 mol/(m2 s) 1 kg/s = 60 kg/min = 1000 g/s = 2.205 lb/s = 7937 lb/h 1 lb/min = 0.4536 kg/min = 27.22 kg/h = 7.560E–3 kg/s = 0.016 67 lb/s 1 kg/(m2 s) = 737.3 lb/(ft2 h) 1 lb/(ft2 h) = 1.356E–3 kg/(m2 s)...

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