- Civil Lab Mechanical Lab Engineering Lab Equipments
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CAT NO: DIDACTICNLE-Export-179009
Flow Visualization Channel.
Flow Visualization Channel
Laminar flow visualization table is used to illustrate the
streamlines around drag bodies. The unit uses water as the flow medium. A
contrast medium (dye) is injected through small needles into the flow
area. Various drag bodies (included) can be placed in the area of flow.
In addition, sources and sinks can be simulated and illustrated using
eight additional openings in the flow area.The setup consists of a flow
channel made of Fiber Reinforced Plastic (FRP) with inlet, outlet tanks.
The flow channel is formed between the two tanks. Water enters through
the inlet connection in to inlet tank & flows through the flow
channel into the outlet tank. To regulate the flow rate of water, valves
are provided in inlet & outlet line of the flow table. The flow
section consists of base plate made of transparent plastic. A glass
plate is used to cover the base plate with a 3 mm space between the two.
The upper glass plate can be lifted & secured by chains so that
different models can be put in the flow channel. Water flows through the
space between two plates into the outlet tank. The dye is injected
through set of needles in to the flow section & can be visualized
with ease. The dye is contained in a vessel fitted with a valve to
adjust the flow rate of dye.The apparatus is supplied with bodies of
different shapes made from thin plastic. These shapes include cylinders,
rectangles & aerofoils.In order to study effect of sinks &
sources in the flow of fluid, 8 openings are provided in the base plate.
Each opening is connected to separate valves & thus can act as sink
or source.
RANGE OF EXPERIMENTS:
Demonstration
of streamline flow pattern for ideal flow around immersed bodies such
as cylinder, aerofoil and bluff bodies (such as bus model etc.).
Demonstration
of streamline flow pattern for ideal flow in channels and at boundaries
– convergent channel, divergent channel, convergent-divergent channel,
90 deg bend, suddenenlargement, sudden contraction, step and replacement
of a streamline by a solid boundary.
Demonstration of streamline flow patterns for ideal flow associated with sources and sinks formation
Demonstration of flow separation from surfaces.
TECHNICAL SPECIFICATIONS:
Working section with inlet & outlet tank.
Actual viewing area: 500mm X 700mm.
Sinks and sources located in the bottom plate.
Dye tank with flow control
Dye injection system, (Set of needles)
Models – cylinders, aerofoils,
Base Frame with leveling screws.
Piping Flow control valve and bypass valve.
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