CHEMICAL ENGINEERING
FLOW OF MULTIPHASE MIXTURES 75 PairD 4 l/du^2 (equation 3.18) D 4 ð 0. 002 200 / 0. 102 ð 1. 0 ð 24. 72 D9570 N/m^2 o ...
76 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Fraction of pipe occupied by slurry slugs is 1 RC 1 Assuming that the pressure drop i ...
SECTION 6 Flow and Pressure Measurement PROBLEM 6.1 Sulphuric acid of density 1300 kg/m^3 is flowing through a pipe of 50 mm int ...
78 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Substituting forwin the equation for dQand integrating to give the discharge rate ove ...
FLOW AND PRESSURE MEASUREMENT 79 PROBLEM 6.3 Water flows at between 3 l and 4 l/s through a 50 mm pipe and is metered by means o ...
80 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Solution The equation relating the mass flowrateGand the head loss across a venturi m ...
FLOW AND PRESSURE MEASUREMENT 81 The coefficient of the diverging coneC^0 Dis given by: GDC^0 DC^0 √ 2 gh^0 v h^0 vD 100 ...
82 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS PROBLEM 6.6 A gas cylinder containing 30 m^3 of air at 6 MN/m^2 pressure discharges t ...
FLOW AND PRESSURE MEASUREMENT 83 P< 192 .2kN/m^2 P> 192 .2kN/m^2 PGPG (MN/m^2 ) (kg/s) (MN/m^2 ) (kg/s) 0.1013 0 0.2 0.008 ...
84 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS At 6 MN/m^2 and 1 MN/m^2 , the masses of air in the cylinder are 2308 and 383.4 kg re ...
FLOW AND PRESSURE MEASUREMENT 85 be the reading on a mercury-under-water manometer connected to the meter? What is the Reynolds ...
86 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS hD 0 .3mofwateror 0. 3 / 0. 9 D 0 .333 m of petroleum product CDD 0 .62 (assumed) ∴ ...
FLOW AND PRESSURE MEASUREMENT 87 PD 5. 74 ð 107 ð 1 / 1000 D 5. 74 ð 104 N/m^2 or 57.4kN/m^2 Power requiredDhead loss (m) ...
88 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS The maximum rate of discharge is given by equation 6.29. P 1 D 1. 5 ð 106 N/m^2 A 0 D ...
FLOW AND PRESSURE MEASUREMENT 89 For pressures below 192 kN/m^2 : GD CDA 0 v 2 √ √ √ √ 2 P 1 v 1 ( k k 1 )[ 1 ( P 2 P 1 )k ...
90 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Ifhis the distance of the water level below the maximum depth of 1 m, then the head a ...
FLOW AND PRESSURE MEASUREMENT 91 PROBLEM 6.16 The flowrate of air at 298 K in a 0.3 m diameter duct is measured with a pitot tub ...
92 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS Position Distance Manometer reading Air Velocityðarea from axis Water Air velocity of ...
FLOW AND PRESSURE MEASUREMENT 93 cross-section pipe in which a fluid is in streamline flow, calculate at what point in the cross ...
94 CHEMICAL ENGINEERING VOLUME 1 SOLUTIONS The maximum velocity,umaxD Pa^2 4 l and: u umax D 1 (r a ) 2 WhenrDa/2,u/umaxD 0 ...
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