Description
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Flow Over Weir Or Open Channel Apparatus
Flow Over Weir Or Open Channel Apparatus:
A ‘WEIR’ is the name given to concrete or masonry structure built across a river (or stream) in order to raise the level of water on the upstream side and to allow the excess water to flow over its entire length to the downstream side. Weirs may also be used for measuring the rate of flow of water in river or streams.
Different shapes of “WEIRS” generally used are sharp-crested weir, broadcasted weir and ogee shaped weir.
In the unit a centrifugal pump sucks the water from the sump tank, and discharges it to a small flow channel. The weir is fitted at the end of channel. All the weirs are interchangeable. The water-flowing over the weir falls in the collector. Water coming at from the collector can be directed to the sump or can be directed in to the measuring tank for measurement of flow.
SPECIFICATIONS:
[1] The unit is provided with following weirs:
(a) Sharp-crested weir.
(b) Broad-crested weir.
(c) Ogee shaped weir.
[2] Pump 1/2 H.P. monoblock.
[3] Flow measurement – Measuring tank calibrated water flow meter is used.
A technical manual accompanies the unit.
SERVICES REQUIRED:
[1] Floor surface – 2.5 m x 1.5 m.
[2] 230 v, 5 amp supply with earthing connection
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Orfice Mouthpieces Apparatus
DESCRIPTION:
An orifice is an opening made in the side or bottom of tank, having a closed perimeter, through which the fluid may be discharged. A mouthpiece is short tube fitted to a same size circular opening provided in a tank so that fluid may be discharged through it. Orifice and mouthpiece are used to measure the rate of flow of liquid. The apparatus is designed to measure the co-efficient of discharge of orifice & mouthpiece. The apparatus consists of a supply tank, at the side of which a universal fixture for mounting orifice or mouthpiece is attached. A centrifugal pump supplied the water to supply tank. Head over the orifice/mouthpiece is controlled by a by pass valve provided at pump discharge. A measuring tank is provided to measure the discharge. A gauge for measuring X and Y co-ordinates of jet from the orifice is provided, which is used to calculate Cv of orifice.SPECIFICATIONS:
[1] Supply Tank – 0.4 X 0.3 X 0.5m height [2] Orifice – 8mm and 10 mm. [3] Mouthpiece (a) LID = 4 (b) L/D = 1 (c) Bordas mouthpiece. (d) Convergent mouthpiece. [4] X-Y gauge for orifice jet co-ordinates. [5] Measuring tank of suitable capacity OR a calibrated water flow meter. [6] Sump tank of suitable capacity. [7] 0.5 HP pump with valve. A technical manual accompanies the unit.SERVICES REQUIRED:
[1] Flow surface 2 mtrs. X 1 mtr. X 1.5 mtrs. height. [2] 230 Volts, 5 Amp. Stabilized AC. Power Supply.
Study Of Pipe Fitting
DESCRIPTION:-
The Set-up consists of a ½ bend and elbow, a sudden expansion & sudden contraction fitting from 15 mm to 25 mm, ball valve and gate valve. Pressure tapings are provided at inlet and outlet of these fittings under test. A differential manometer fitted in the line gives pressure loss of individual fitting. Present Set-up is self-contained water re-circulating unit, provided with a sump tank and a centrifugal pump etc. Flow control valve and by-pass valve are fitted in water line to conduct the experiment on different flow rates. Flow rate of water is measured with the help of measuring tank and stop watch.EXPERIMENTS:-
Ø To determine loss of head in the fitting at various water flow rates. Ø To measure the loss co-efficient for the pipe fittings.UTILITIES REQUIRED: –
Ø Water Supply and Drain Ø Electricity Supply: Single Phase, 220 V AC, 0.5 kW.TECHNICAL SPECIFICATION: –
Ø Sudden Enlargement : From 15 mm to 25 mm Ø Sudden Contraction : From 25 mm to 15 mm Ø Bend : ½ Ø Elbow : ½ Ø Ball Valve : ½ Ø Gate Valve : ½ Ø Water Circulation : FHP Pump, Crompton / Sharp make Ø Flow Measurement : Using Measuring Tank with Piezometer, Capacity 25 Ltrs. Ø Sump Tank : Capacity 50 Ltrs. Ø Stop Watch : Electronic Ø Control Panel : On / Off Switch, Mains Indicator etc. The whole Set-up is well designed and arranged in a good quality painted Structure
Free Force Vortex Apparatus
DESCRIPTION:-
The experimental set up consist of a circular transparent cylindrical tank in which four circumferential jets have been placed along the circumference of the cylinder near its bottom which helps in the formation of free vortex. It is assumed that the torque exerted by these jets is negligible. The Orifice is reducing bush so that a reduced diameter can be investigated. The plate can also be rotated with the help of a variable speed motor so that the cylinder rotates about its vertical Axis with the help of a V belt and forced vortex is formed. Conditions wear allowed to steady state and the depth of flow at any particular point was observed not to change over a period of time. The experimental procedure involves measurement of resulting free surface that represents the variation of the sum of the pressure and datum head.SCOPE OF EXPERIMENTS:-
Ø To plot the surface profile of a free and forced vortex by measurement of the surface profile coordinates and to show that total energy is constant throughout vortex.TECHNICAL SPECIFICATION: –
Ø Cylinder : Material Acrylic Dia. 200mm approx Ø Height of Overflow point : 150mm Ø Drive : FHP variable speed motor, speed way Ø The whole Set-up is well designed and arranged in a good quality painted Structure
Bernoulli S Theorem Apparatus
DESCRIPTION:-
The Set-up is designed to verify Bernoulli’s Theorem experimentally. Set up consists of a one piece clear acrylic test section with convergent and divergent part section, supply tank, measuring tank, inlet water tank and pump for closed loop water circulation. The test section is connected to Piezometer tubes through pressure tapping at different locations on the section to demonstrate the Bernoulli’s Theorem. The flow rate of water is measured using measuring tank and stop watch provided.EXPERIMENTS:-
Ø To verify Bernoulli’s Theorem experimentally.FEATURES:-
Ø Clear test section Ø Closed loop water circulation Ø Compact & stand alone setup Ø Stainless Steel tanks and wetted parts Ø Superb Painted structure Ø Simple to operate & maintainUTILITIES REQUIRED: –
Ø Electricity Supply: Provide 230 +/- 10 VAC, 50 Hz, Single Phase electric supply with proper earthing (Neutral – Earth voltage less than 5 VAC) 5 A, three pin socket with switch for pump Ø Water Supply : Tap water connection ½ “ BSP, Distilled water @ 60 Ltrs. (Optional)TECHNICAL SPECIFICATION: –
Ø Test Section : Material Acrylic, Size Ø Inlet Tank : Capacity 20 Liters., Stainless Steel Ø Supply Tank : Capacity 70 Liters., Stainless Steel Ø Measuring Tank : Capacity 20 Ltrs. Fitted with Piezometer Tube & Scale Ø Piezometer Tubes : Material P.U. Tubes (9 Nos.) Ø Pump : FHP Capacity make Tullu/Crompton Graves Ø Piping : GI / PVC Size BSP Ø Stop Watch : Electronic Ø The whole Set-up is well designed and arranged in a good quality painted Structure.
Metacentric Height Apparatus
DESCRIPTION:-
A pontoon is allowed to float in a small tank having a transparent side. Removable steel strips placed in the model for the purpose of changing the weight of the model. Displacement of weight is measured with the help of a scale. By means of a pendulum (consisting of a weight suspended to a long pointer) the angle of tilt can be measured on a graduated arc. For tilting the ship model, a cross bar with two movable hangers is fixed on the model. Pendulum and graduated arc are suitably fixed at the center of the cross bar. A set of weights is supplied with the apparatus.EXPERIMENTS:-
Ø Determination of the Metacentric height and position of the Metacentric height with angle of heel of ship model.TECHNICAL SPECIFICATION: –
Ø Pontoon : Size 300 x 150 mm (Approx.) with a Horizontal Guide Bar for aliding weight. Ø Material : Stainless Steel Pontoon Ø Water Tank : Size 600 x 400 x 400 mm (Approx.) Ø Front Window of Tank : made of Glass/Perspex Ø A set of weights is supplied with the apparatus. Ø The whole Set-up is well designed and arranged in a good quality painted Structure
Discharge Over Notches Apparatus
DESCRIPTION:-
The Lab setup consists of a channel having sufficient length and width in which water is supplied from the bottom. Required Notch is fitted at one end of this channel .A hook gauge with Vernier scale is fitted to measure the height of fluid in flow channel. Arrangement for fixing interchangeable notches is made. Set of three brass notches, i.e. rectangular notch. 60 V notch & 45 V notch provided along with the set up. Present set – up is self –contained water re- circulating unit .provided with a sump tank and a centrifugal pump etc. Flow control valve and by-pass value are fitted in water line to conduct the experiment on different flow rate .Flow rate of water is measured with the help of measuring tank and stopwatch.EXPERIMENTS:-
Ø To Determination Co-efficient of discharge (Cd) through Ø V notch (45 deg. and 60 deg.) Ø Rectangular Notch. Ø Trapezoidal NotchUTILITIES REQUIRED: –
Ø Water Supply & Drain Ø Electricity 0.5kw,220V AC, Single PhaseTECHNICAL SPECIFICATION: –
Ø Channel Test Section : Size 600x250x180 mm Ø Notches : Material Brass(3 Nos) 1. Rectangular Notch 2. 45 deg. V Notch 3. 60 deg. V Notch 4. Trapezoidal Notch Ø Hook / Pointer : With Vernier Scale Ø Water Circulation : FHP Pump, Crompton/Sharp make. Ø Flow Measurement : Using Measuring Tank with Piezometer, Cap.25 Ltrs. Ø Sump Tank : Capacity 70 Liters. Ø Stop Watch : Electronic Ø Control Panel : On/Off Switches, Main Indicator etc. Ø The whole Set-up is well designed and arranged in a good quality painted Structure.
Venturimeter Orificemeter Calibration Set Up
DESCRIPTION:-
The apparatus consists of two pipelines emerging out from a common manifold. One pipeline contain a Venturimeter, second contains an Orifice. The pressure tapings from the Venturimeter and Orificemeter are taken to differential manometer to measure pressure difference. The Venturimeter and Orificemeter are connected in parallel and anyone of them can be put in operation by operating valves provided at the downstream. These valves can also regulate the flow. Present Set-up is self contained water re-circulating unit, provided with a sump tank and a centrifugal pump. Flow control valve and by-pass valve are fitted in water line to conduct the experiment on different floe rate. Flow rate of water is measured with the help of measured with the help of measuring tank and stop watch.EXPERIMENTS:-
Ø To determine the Co-efficient of discharged through Venturimeter and Orificemeter Ø To measure discharge through Venturimeter and Orificemeter as flow meters.UTILITIES: –
Ø Water Supply & Drain Ø Electricity Supply: Single Phase, 220 VAC, 0.5 kWTECHNICAL SPECIFICATIONS: –
Ø Venturimeter : Material Clear Acrylic, Compatible to 1” Dia pipe Ø Orificemeter : Material Clear Acrylic, Compatible to 1” Dia. Pipe Ø Water Circulation : FHP Pump, Crompton / Sharp make Ø Flow Measurement : Using Measuring Tank, Capacity 25 Ltrs. Ø Sump Tank : Capacity 50 Ltrs. Ø Stop Watch : Electronic Ø Control Panel : On / Off Switch, Mains Indicator etc. Ø Tanks will be made of Stainless Steel Ø The whole Set-up is well designed and arranged in a good quality painted Structure
Reynold S Apparatus
DESCRIPTION:-
The Set-up is designed to verify Reynold’s Apparatus experimentally. The Apparatus consists of a glass tube which one end having bell mouth entrance connected to a water tank. At the other end of the glass tube a cock is provided to vary the rate of flow. Flow rate of water can be measured with the help of Measuring Cylinder and Stop Watch, supplied with the set-up. A capillary tube is introduced centrally in the bell mouth. To this tube dye is fed from a small container, placed at the top of Constant head Tank, through polythene tubing.EXPERIMENTS:-
Ø To study different types of flow. Ø To determine the Reynold’s Number and hence the type of floe either laminar or turbulent.UTILITIES REQUIRED: -
Ø Water Supply. Ø DrainTECHNICAL SPECIFICATION: - | ||
| Ø Tube | : | Material Borosilicate Glass |
| Ø Dye Vessel | : | Material SS, Suitable Capacity |
| Ø Capillary Tube | : | Material Copper/Stainless Steel |
| Ø Constant Head Water Tank | : | Capacity 40 Liters. |
| Ø Water Circulation | : | FHP Pump |
| Ø Flow Measurement | : | Using Measuring Cylinder |
| Ø Sump Tank | : | Capacity 60 Liters |
| Ø Stop Watch | : | Capacity 60 Liters. Electronic |
| Ø Control Panel Comprises of | : | Standard make, On/Off Switch, Mains Indicator, etc. |
| Ø The Whole set-up is well designed and arranged in a good quality painted structure. | ||
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