conversions

conversions - CONVERSION FACTORS

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: CONVERSION FACTORS —_————_—————————_—-—_ I. Acceleration 7. Heat flux I I'I/sz = 0.3048 m/s‘ I BIu/h‘flz = 3.l537 W/m1 1 m/s‘ = 3.2808 0/81 I Btu/h-ft‘ = J.IS37 x IO" kW/m’ 2. Am I W/ml = 0.3I709 BIII/h-IIz I in2 = 6.45l6 cm2 8. Heal-generation rate I In2 = 6.45I6 >< I0“ m1 I Btu/h-fl" = I035 W/m’ I [ll = 929 cm2 I Btu/hf!J = 8.9 kcaI/h-mJ I (1‘ = 0.0929 In2 I W/mJ = 0.0966 Btu/h'fl’ 2 ___ 4 1 lm [0'76 n 9. Heat-(ransl'cr cocfiicient IJ=lW-s=lN-m 3. Density I BIu/h-Itl-“F = 5.677 W/m""C I Ib/in’ =17.630 g/cm" I Btu/h~ft"“’F = 5.677 x [0“ W/cmz- ‘C I lb/in“ = 27.680 x 10J kg/mJ I W/ml-"C = O.I76I BIu/h-rfiv'F I Ib/fI’ = 167019 kg/m’ l am/IrIIZ-"F = 4.332 kcaI/h-m‘V‘C , I IIme = 0.06243 Ib/ft’ / I slug/IN = 515.33 kg/m’ '0' “‘3‘” ,, I lb mol/fl“ = I6.0I9 kg mol/m“ I A = '°_ H,“ I kg moI/m’ = 0.06243 Ib moI/ft’ ' A z '0 - m 1 pm = 10 ’ mm 4. Difl‘usivily (heat. mass. momentum) 1 pm -.- 10" cm | {11/5 = 0.0929 mZ/s I 0m = 10‘“ m | ftz/h = 0.258! cmz/s I in = 2.54 cm I I'll/h =0.258I x IO“ mz/s I In = 2.54 x 10" m I mz/s = I0.7639 III/s I II = 0.3043 In I chs = 3.8745 I’ll/h I m = 3.2808 R I mile = 1609.34 m 5. Energy. heal. power 1 m”: = 5280 ft I light year = 9.46 x 10” m I J = I07 erg I BIu = [055.04] II, Mass 1 BIU == I055.04 W‘S I oz = g I Blu = I055.04 N-m I lb = I6 oz I Blu = 252 cal I lb = 453.6 g I m = 0.252 kcaI I II, = 0.4536 kg I mu = 778.16I 0-16, I kg = 2.2046 Ib I BIq/h = 0.293I W I g = [5.432 grains I Btu/h = 0.2931 x IO" N I slug = 32.1739 Ib I Btu/h = 3.93 x 10“ hp I [on (metric) = 1000 kg l cal = 4.I8681 (or W's 0' N'm) I (on (metric) = 2205 lb l cal = 3.968 x IO" ’ Btu 1 {on (short) = 2000 lb l kcal = 3.968 3111 | (on (long) = 2240113 Ihp = 550 II-Ib,/s I hp = 745.7 W 12. Mass flux I Wh = 3.4I3 am I lb moi/“2'h I kWh = 34I3 Blu = 1.3563 x 10" kg moI/m‘-s 1 kg mol/mz-s = 737.3 lb mol/I'tz'h I Ib/rIZ-h = 1.3563 x 10‘3 kg/ml's I Ib/fIz-s = 4.882 kg/mz-s I kg/mz-s = 737.3 Ib/ftz-h I kg/m1~s = 0.2048 Ib/ftz's 6. Heat capacity. heal per unit mass. specific heat I Btu/h"‘F = 0.5274 W/“C I W/“C -= I396! Btu/h-“F I Btu/lb = 2325.9 J/kg > I Btu/lb = 2-3259 kJ/kg 13. Pressure. force I Btu/lb"? = 4136.69 J/kg~"C l N = l kg~m/sz l Btu/lb-"F = 4.18669 kag’ 1C l N = 0.22481 “3/ (or .l/g-“C) I N = 7.2333 poundals I Btu/Ib- ‘F = I caI/g- ‘C = I kcaI/kg-"C I N = 10’ dyn 1b; = 1111575; U I I, Ibf=4.4482N T(C)=l'8( R-492) _. . 2 1h, ‘ 4.4482 kg m/s An“? = L8 Anna 18. Thermal conductivity 1 Btu/’h-ft- 'F : 1.7303 W/m- 'C 1 Btu/h-l’t~"F = 1.7303 x 10‘2 W/cm-“C 1 Btu/hvft- ‘F = 0.4132 cal/s-m- ’C 1 W/m-“C = 0.5779 Btu/h-fte‘T 1 W/cm-“C = 57.79 Btu7'h11-‘F 16,661 5 (1 psi) = 6894.76 N/m’ Ibf/riz = 47.880 N/mz bar = 105 N/mZ 1 am = 14.696 1b,/inz 1 211m =2116.216,/112 101m = 1.01.12 x 10’ N/m“ 1 1 l I 1b, = 32.1739 poundals l l 1 1 211m = 1,0132 bar 19. Thermal resistance 1 h-"F/Btu = 1.896“C/W 14- Specific heal 1"C/W = 0.528 1i~°F131u 1 Btu/1b~‘F = 1 kcal/kg‘ C = 1 cal/g- 'C 30‘ Viscosity 1 Btu/leT = 4186.6917'kg‘ C l poise = 1 years (or W's/kg'”C) 1 poise = BMcentipoise 1 Blu/'1b-'F = 4.136691/3'1‘ l poise = 241.91b/1‘t‘h (or W‘s/g”‘c) 1 centipoise = 2.419Ib/1‘t-h IJ/g- 'C = 0.23885 BIU/lb‘ 'F [ [Mfrs =14”: kym.s (cal/8‘ ‘C 01‘ kCfll/kg‘ 'C) l lb/ft-s = 14.882 poises 1 1b/ft-s = 1488.2 centipoises 11b/ft-h =0.4134 x 10" kg/m-s 1 Ib/l‘t-h = 0.4134 x 10" poise 1 Ib/ft‘h = 0.4134 centipoisc 15. Speed 1 {1,75 = 0.3048 m/s 1 m/s = 3.1808 11/5 1 mile/h = 1.4667 (Us 1 mile/h = 0.44704 m/s 31- Volume 1 in" = 16.387 cm’ 16. Surface tension | cm’ = 006102 in’ 1 "7,711 = 14.5937 N/m 1 02 (US. fluid) = 29.573 cmJ 1 N/m = 0.068529 [bl/1t 1 ft“ = 0.0283168 m’ l 11’ = 28.3168 liters 1 111 = 7.4805 gal (US) 1 m’ = 35.31511J I 3211 (£15.) = 17854 liters Tm = L (.F _ 32) + 273 [gal (u.s.) = 3.7354 x 10" m’ 1.8 1 3211 (U.S.) = 0.13368 11J M CONSTANTS W gr = gravitational acceleration = 32.1739 l‘t-lb/lb,-:~sz conversion factor 17. Temperature 1 K = 1.8"R T("F) = 1.8(K — 273) + 32 = 4.1697 x 10" 1116/16th = 1 g~cm/dyn-.~;z = 1 kg-m/N‘s2 = 1 Ib-ft/poundal'sz = 1 slug'ft/Ibf'sz J = mechanical equivalent of heat = 778.16 ft'lbf/Btu .71? : gas constant = 1544 ft-lbf/lb mol-"R = 0.730 1‘1‘-atm/1b mol-"R = 0.08205 m’atm/kg mol- K = 8.314 J/g mol-K : 8.314 N-m/g mol- K = 1.987 cal/g molr K a = Stefan-Boltzmann constant = 0.1714 x 10‘“ Btu/h~ftz-”R‘ = 0.56697 x 10‘“ W/mL K‘ M ...
View Full Document

This note was uploaded on 04/26/2008 for the course CHE 20138 taught by Professor Savelski during the Spring '08 term at Rowan.

Page1 / 2

conversions - CONVERSION FACTORS

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online