THE INTERNATIONAL SYSTEM OF UNITS (SI) SI Base Units. Quantity Name of unit Symbol

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1 Appendix THE INTERNATIONAL SYSTEM OF UNITS (SI) Table 1 SI Base Units Qantity Name of nit Symbol Lengt meter m Mass kilogram kg Time second s Electric crrent ampere A Termodynamic temperatre kelvin K Lminos intensity candela cd Amont of a sbstance mole mol

2 Table 2 SI Defined Units Qantity Name of nit Defining eqation Capacitance farad, f 1 F ¼ 1A s/v Electrical resistance om, V 1 V ¼ 1V/A Force newton, N 1 N ¼ 1kg m/s 2 Potential difference volt, V 1 V ¼ 1W/A Power watt, W 1 W ¼ 1J/s Pressre pascal, Pa 1 Pa ¼ 1N/m 2 Temperatre kelvin, K K ¼ 8C þ Work, eat, energy jole, J 1 J ¼ 1Nm Table 3 SI Derived Units Qantity Name of nit Symbol Acceleration meter per second sqare m/s 2 Area sqare meter m 2 Density kilogram per cbic meter kg/m 3 Dynamic viscosity newton-second per sqare meter N s/m 2 Force newton N Freqency ertz Hz Kinematic viscosity sqare meter per second m 2 /s Plane angle radian rad Power watt W Radiant intensity watt per steradian W/sr Solid angle steradian sr Specific eat jole per kilogram-kelvin J/kg K Termal condctivity watt per meter-kelvin W/m K Velocity meter per second m/s Volme cbic meter m 3

3 Table 4 Pysical Constants in SI Units Qantity Symbol Vale e P g c kg m N 21 s 22 Avogadro constant N A kmol 21 Boltzmann constant k JK 21 First radiation constant C 1 ¼ 2 p c Wm 2 Gas constant R J kmol 21 K 21 Gravitational constant G Nm 2 kg 22 Planck constant Js Second radiation constant C 2 ¼ c/k mk Speed of ligt in a vacm c ms 21 Stefan-Boltzmann constant s Wm 22 K 24 Table 5 SI Prefixes Mltiplier Symbol Prefix Mltiplier Symbol Prefix T tera c centi 10 9 G giga m milli 10 6 M mega m micro 10 3 k kilo n nano 10 2 ecto p pico 10 1 da deka f femto d deci a atto

4 Table 6A Conversion Factors Pysical qantity Symbol Conversion factor Area A 1 ft 2 ¼ m 2 1in. 2 ¼ m 2 Density r 1lb m /ft 3 ¼ kg/m 3 1 slg/ft 3 ¼ kg/m 3 Energy, eat Q 1 Bt ¼ J 1 cal ¼ J 1 (ft)(lb f ) ¼ J 1 (p)() ¼ J Force F 1 lb f ¼ N Heat flow rate q 1 Bt/ ¼ W 1 Bt/s ¼ W Heat flx q 00 1 Bt/()(ft 2 ) ¼ W/m 2 Heat generation per nit volme q G 1 Bt/()(ft 3 ) ¼ W/m 3 Heat transfer coefficient Lengt L 1 Bt/()(ft 2 )(8F) ¼ W/m 2 K 1 ft ¼ m 1in.¼ 2.54 cm ¼ m 1 mile ¼ km ¼ m Mass m 1 lb m ¼ kg 1 slg ¼ kg Mass flow rate _m 1lb m / ¼ kg/s 1lb m /s ¼ kg/s Power W 1p ¼ W 1 (ft)(lb f )/s ¼ W 1 Bt/s ¼ W 1 Bt/ ¼ W Pressre p 1 lb f /in. 2 ¼ N/m 2 (Pa) 1lb f /ft 2 ¼ N/m 2 (Pa) 1atm¼ 101,325 N/m 2 (Pa) Specific energy Q/m 1 Bt/lb f ¼ J/kg Specific eat capacity c 1 Bt/(lb f )(8F) ¼ 4188 J/kg K Temperatre T T(8R) ¼ (9/5) T (K) T(8F) ¼ [T(8C)](9/5) þ 32 T(8F) ¼ [T(K) ](9/5) þ 32 Termal condctivity k 1 Bt/()(ft)(8F) ¼ W/m K Termal diffsivity a 1ft 2 /s ¼ m 2 /s 1ft 2 / ¼ m 2 /s Termal resistance R t 1 ()(8F)/Bt ¼ K/W (contined)

5 Table 6A Contined Pysical qantity Symbol Conversion factor Velocity U 1 ft/s ¼ m/s 1 mp ¼ m/s Viscosity, dynamic m 1lb m /(ft)(s) ¼ N s/m 2 1 centipoise ¼ N s/m 2 Viscosity, kinematic n 1ft 2 /s ¼ m 2 /s 1ft 2 / ¼ 2, m 2 /s Volme V 1 ft 3 ¼ m 3 1in. 3 ¼ m 3 1 gal(u.s. liq.) ¼ m 3 Table 6B Temperatre Conversion Table K 8C 8F K 8C 8F K 8C 8F

6 THERMODYNAMIC PROPERTIES OF WATER Table 7 SI Water Specific volme (m 3 /kg) Internal energy Entalpy Entropy (KJ/kg K) Temp C T Pressre Kpa P liqid (v f ) Evap. (v fg ) vapor (v g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid (s f ) Evap. (s fg ) vapor (s g )

7 , , (contined)

8 Table 7 Contined Specific volme (m 3 /kg) Internal energy Entalpy Entropy (KJ/kg K) Temp C T Pressre Kpa P liqid (v f ) Evap. (v fg ) vapor (v g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid (s f ) Evap. (s fg ) vapor (s g ) , , ,

9 Table 8 SI Water Pressre Entry Specific volme (m 3 /kg) Internal energy Entalpy Entropy (KJ/kg K) Pressre Kpa P Temp T C liqid (v f ) Evap. (v fg ) vapor (v g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid (s f ) Evap. (s fg ) vapor (s g ) (contined)

10 Table 8 Contined Specific volme (m 3 /kg) Internal energy Entalpy Entropy (KJ/kg K) Pressre Kpa P Temp T C liqid (v f ) Evap. (v fg ) vapor (v g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid ( f ) Evap. ( fg ) vapor ( g ) liqid (s f ) Evap. (s fg ) vapor (s g )

11

12 Table 9 SI Spereated Vapor Water Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ 10 KPa (45.81) P ¼ 50KPa (81.33) P ¼ 100 KPa (99.62) P ¼ 200 KPa (120.23)

13 P ¼ 300 KPa (133.5) P ¼ 400 KPa (143.63) (contined)

14 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ 300 KPa (133.5) P ¼ 400 KPa (143.63) P ¼ 500 KPa (151.86) P ¼ 600 KPa (158.85)

15 P ¼ 800 KPa (170.43) P ¼ 1000 KPa (179.91) P ¼ 1200 KPa (187.99) P ¼ 1400 KPa (195.07) (contined)

16 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ 1200 KPa (187.99) P ¼ 1400 KPa (195.07) P ¼ 1600 KPa (201.40) P ¼ 1800 KPa (207.15)

17 P ¼ 2000 KPa (212.42) P ¼ 2500 KPa (223.99) P ¼ 3000 KPa (233.90) P ¼ 3500 KPa (242.60) (contined)

18 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ 3000 KPa (233.90) P ¼ 3500 KPa (242.60) P ¼ 4000 KPa (250.40) P ¼ 4500 KPa (257.48)

19 P ¼ 5000 KPa (263.99) P ¼ 6000 KPa (275.64) (contined)

20 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ 7000 KPa (285.88) P ¼ 8000 KPa (295.06) P ¼ 9000 KPa (303.40) P ¼ KPa (311.06)

21 P ¼ KPa (327.89) P ¼ KPa (342.24) (contined)

22 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ KPa (327.89) P ¼ KPa (342.24) P ¼ KPa (354.75) P ¼ KPa (365.81) P ¼ KPa P ¼ KPa

23 P ¼ KPa P ¼ KPa (contined)

24 Table 9 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) V (m 3 /kg) s (KJ/kg K) P ¼ KPa P ¼ KPa P ¼ KPa P ¼ KPa

25 Table 10 SI Compressed Liqid Water Temp (C) v (m 3 /kg) s (KJ/kg K) v (m 3 /kg) s (KJ/kg K) P ¼ 5000 KPa (263.99) P ¼ KPa (311.06) P ¼ KPa (342.24) P ¼ KPa (365.81) (contined)

26 Table 10 Contined Temp (C) v (m 3 /kg) s (KJ/kg K) v (m 3 /kg) s (KJ/kg K) P ¼ KPa (342.24) P ¼ KPa (365.81)

27 P ¼ KPa P ¼ KPa

28 Table 11 SI Solid Vapor Water Specific volme (m 3 /kg) Internal energy Entalpy Entropy (KJ/kg K) Temp C T Pressre KPa P solid (v i ) Evap. (v fg ) vapor (v g ) solid ( i ) Evap. ( ig ) vapor ( g ) solid ( i ) Evap. (v fg ) vapor (v g ) solid (s i ) Evap. (s ig ) vapor (s g )

29 THERMODYNAMIC PROPERTIES OF LIQUIDS Table 12 Water at Satration Pressre Temp T Density r (kg/m 3 ) Coefficient of termal expansion, b 10 4 (l/k) Specific eat, c p (J/kg K) Termal condctivity, k(w/mk) Termal Diffsivity, a 10 6 (m 2 /s) Absolte viscosity, m 10 6 (N s/m 2 ) Kinematic viscosity, n 10 6 (m 2 /s) Prandtl nmber, Pr gb/v (l/k m 3 ) 8F K 8C ¼ (lb m /ft 3 ) ¼ (l/r) ¼ (Bt/lb m 8F) ¼ (Bt/ ft 8F) ¼ (ft 2 /) ¼ (lb m /ft s) ¼ (ft 2 /) ¼ (l/r ft 3 ) (contined)

30 Table 12 Contined Temp T Density r (kg/m 3 ) Coefficient of termal expansion, b 10 4 (l/k) Specific eat, c p (J/kg K) Termal condctivity, k(w/mk) Termal Diffsivity, a 10 6 (m 2 /s) Absolte viscosity, m 10 6 (N s/m 2 ) Kinematic viscosity, n 10 6 (m 2 /s) Prandtl nmber, Pr gb/v (l/k m 3 ) 8F K 8C ¼ (lb m /ft 3 ) ¼ (l/r) ¼ (Bt/lb m 8F) ¼ (Bt/ ft 8F) ¼ (ft 2 /) ¼ (lb m /ft s) ¼ (ft 2 /) ¼ (l/r ft 3 )

31 Table 13 Water at Satration Temperatre Entalpy Satration Temperatre T Satration Pressre P (N/m 2 ) Specific volme of Vapor v g (m 3 /kg) f g ¼ (Bt/lb m ) fg 8F K 8C ¼ (psi) ¼ (ft 3 /lb m ) ¼ (Bt/lb m ) ¼ (Bt/lb m ) ¼ (Bt/lb m )