Hydraulic Fluid Mechanics Lab Equipment manufacturer, exporter, india

Drag Co-Efficient Apparatus

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Drag Co-Efficient Apparatus

Drag Co-Efficient Apparatus


The apparatus has been designed to introduce students to the fundamental characteristics of the behavior of the particle system, in particular the relationship between the drag coefficient of falling particles and Reynolds number. Particles covering a range of sizes and densities are supplied and the experiments are conducted by allowing single particles to fall through a number of different liquids contained in a vertical glass tube. The rate of fall of the particle is determined by timing their passage between two marks on the walls of the glass tubes. Observation of the particle movement is aided by the provision of a shielded fluorescent tube light mounted on the backboard. Particles can be removed from the bottom of the tubes without the necessity of draining the liquid. A valve system is provided at the bottom of each tube to allow the particles to be removed with the minimum loss of liquid.


Technical Details:

 Provided with steel and glass balls of different sizes

 The whole set-up is well designed and arranged in a good quality painted structure having the tube   light arrangement

 Stop Watch


 Material Borosilicate Glass tube

 Gate Valves

 6 Nos. (2 Nos. on each Tube)

 Tubes (3 Nos.)


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Scope Of Experimentation:  To study the motion of a solid particle through a liquid To plot the graph between drag coefficient Vs. modified Reynolds number  To measure the drag Coefficient Utilities Requirement:  Liquids of different viscosity  Electricity supply 100 watts, 220 V, 1 phase  Floor Area 0.75 m x 1.5 m