Chemical Engineering Learning Resources

M.Subramanian - Academic & Career Profile

Fluid Mechanics

Similarity - Velocity

Water at 20oC (viscosity = 1 cp) flows through a smooth straight pipe A of inside diameter 4 cm at an average velocity of 50 cm/sec. Oil flows through another pipe B

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Similarity - Pressure Drop

A geometrically similar model of an air duct is built 1:30 scale and tested with water which is 50 times more viscous and 800 times more dense than air...

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U - tube Manometer

A U-tube manometer filled with mercury is connected between two points in a pipeline.

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Manometer Connected Between Two Pipes

A U - tube differential mercury manometer is connected between two pipes X and Y. Pipe X contains carbon tetra chloride (Sp.gr. 1.59)

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Flow Dirction - Determination

The pressures at two sections of a horizontal pipe are 0.3 kgf/cm2 and 0.6 kgf/cm2 and the diameters are 7.5 cm, and 15 cm respectively...

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Flow in Siphon

A siphon consisting of a 3 cm diameter tube is used to drain water from a tank. The outlet end of the tube is 2 m below the water surface in the tank.

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Capillary Tube Viscosity Measurements

A capillary tube 0.2 cm in diameter and 10 cm long discharge one liter of a liquid in ten minutes under a pressure difference of 5 cm mercury.

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Frictional Losses in Pipelines

2.16 m3/h water at 320 K is pumped through a 40 mm I.D. pipe through a length of 150 m in a horizontal direction and up through a vertical height of 12 m.

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Equivalent Length of Fittings

Water is pumped from a reservoir to a height of 1000 m from the reservoir level, through a pipe of 15 cm I.D. at an average velocity of 4 m/s

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Power Required for Venturi Meter

A horizontal venturi meter having a throat diameter of 4 cm is set in a 10 cm I.D. pipeline.

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Coefficient of Discharge of Venturi Meter

The rate of flow of water in a 150 mm diameter pipe is measured with a venturi meter of 50 mm diameter throat.

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Orifice Size

Brine of specific gravity 1.2 is flowing through a 10 cm I.D. pipeline at a maximum flow rate of 1200 liters/min.

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Pitot Tube for Flow Measurement

A Newtonian fluid having a viscosity of 1.23 poise, and a density of 0.893 gm/cm3, is flowing through a straight,

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Flow Measurement by Rotameter

A rotameter calibrated for metering has a scale ranging from 0.014 m3/min to 0.14 m3/min.

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Rectangular Weir

A rectangular weir 0.75 m high and 1.5 m long is to be used for discharging water from a tank under a head of 0.5 m.

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Flow Rate of Water through Ion-Exchange Column

Figure shows a water softener in which water trickles by gravity over a bed of spherical ion-exchange resin particles,

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Pressure Drop for Flow of Air Through Packed Bed

Calculate the pressure drop of air flowing at 30oC and 1 atm pressure through a bed of 1.25 cm diameter spheres, at a rate of 60 kg/min

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Pressure Drop in Regenerative Heater

A regenerative heater is packed with a bed of 6 mm cubes. The cubes are poured into the cylindrical shell of the regenerator to a depth of 3.5 m such that the bed

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Design of Packed Tower with Berl Saddle packing

7000 kg/hr of air, at a pressure of 7 atm abs and a temperature of 127oC is to be passed through a cylindrical tower packed with 2.5 cm Berl saddles.

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Pressure drop through catalyst tower

7000 kg/hr of air, at a pressure of 7 atm abs and a temperature of 127oC is to be passed through a cylindrical tower packed with 2.5 cm Berl saddles.

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