Flow Through Helical Coil

When a fluid flow through a curved tube, centrifugal force acting upon the various elements of fluid moving with different velocities causes secondary circulation. Secondary flow results in higher heat transfer characteristics.

Further secondary flow stabilizes the laminar flow leading of a higher critical reynolds number for transition from laminar to turbulent flow. Scope Of Experimentations: To determine the critical Reynolds number of a fluid flowing through the coil To determine the friction factor for flow of water through helical coil To compare Pressure drop in helical coil with that in a straight pipe of same length, inside diameter and surface roughness Utilities Required: Electricity 500 watts, 220 V, 1 Phase Floor Area 1 m x 2 m Technical Details: Helical Coil Material Stainless Steel Dia – 12” No. of Turns 15 Coil Tube Dia OD 21 mm, ID 17 mm (Approx. Sump Tank Material Stainless Steel/PVC, Capacity 50 Ltrs.

Water Circulation oF HP Pump, Crompton/Sharp make Manometer o2 Nos Flow measurement rotameter Piping GI and PVC Control panel comprising of Standard make on off switch, Mains Indicator etc The whole set-up is well designed and arranged in a good quality painted structure

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