CHEMICAL ENGINEERING

UNITS AND DIMENSIONS 15 The viscosity of the liquid is given by: D 0  1  0. 015 T 273  where is the viscosity at a temper ...

SECTION 2 Flow of Fluids — Energy and Momentum Relationships PROBLEM 2.1 Calculate the ideal available energy produced by the di ...

FLOW OF FLUIDS — ENERGY AND MOMENTUM RELATIONSHIPS 17 Solution See Volume 1, Example 2.2. PROBLEM 2.3 Calculate the energy store ...

18 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS ideal gas is given by equation 2.25: CvdTDPdvDdU. PDRT/Mvand hence: dT/TD R/MCv dv/ ...

SECTION 3 Flow in Pipes and Channels PROBLEM 3.1 Calculate the hydraulic mean diameter of the annular space between a 40 mm and ...

20 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS PROBLEM 3.3 A cylindrical tank, 5 m in diameter, discharges through a mild steel pipe ...

FLOW IN PIPES AND CHANNELS 21 IfR/u^2 is taken as 0.002,Rewill vary from (7. 05 ð 105 )to(4. 07 ð 105 ). From Fig. 3.7 this cor ...

22 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS end so that losses on entry and exit are negligible. One tank is 7 m diameter and con ...

FLOW IN PIPES AND CHANNELS 23 IfR/u^2 is taken as 0.002, then: ∫ dtD 15 , 740 ∫ 6 7 dh p  2. 95 h 16. 72  and tD10590 s Ave ...

24 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Noting that: RADRB AtsDa: usAD 0 usBD 0 On the centre plane: AtsD 0 usADusB ...

FLOW IN PIPES AND CHANNELS 25 D Pba^3 (^2) Al [ (^4) AC (^4) BC (^3) A (^3) B 6 AC (^) B ] D Pba^3 (^12) Al [ (^7) AC (^ ...

26 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS PROBLEM 3.9 A viscousfluidflows through a pipe with slightly porous walls so that the ...

FLOW IN PIPES AND CHANNELS 27 Writing √  128 k/d^3 Da:  8 u^2 o/kdD[a^2 d^3 / 128 k][8Q^2 oð 16 /kd^2 d^4 ]DQ^2 o/ ...

28 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS PROBLEM 3.11 Explain the phenomenon of hydraulic jump which occurs during theflow of ...

FLOW IN PIPES AND CHANNELS 29 PuttingnD 0 .5, the volumetricflowrateQis given by: QD ( P 4 kl ) 2 ( 1 10 ) d^3 ( 4 d^2 ) Putt ...

30 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS IfR/u^2 D 0. 04 /Re^0.^25 , the head loss per unit lengthlis: hf/lD 8  0. 04 /Re^0. ...

FLOW IN PIPES AND CHANNELS 31 Massflow rate per tubeD 0. 84 ð 0. 00049 D 0 .000412 m^3 /sD 0 .412 kg/s Hence the number of tub ...

32 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Solution The shearing characteristics of non-Newtonianfluids are shown in Fig. 3.24 o ...

FLOW IN PIPES AND CHANNELS 33 The total volumetricflowrateQis obtained by integrating the equation for the velocity profile to g ...

34 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS ∴ uDRe /dD 1. 1 ð 104 ð 0. 01 / 0. 075 D 1. 47 ð 103 kg/m^2 s ∴massflowrateD 1. ...