Educational tender items for schools in Malaysia
"AVAILABLE ISI STUDENT MICROSCOPE FOR NCERT KITS (UPSKL, SSK, SSLK BIOLOGY)"

Scientific Lab Equipments Manufacturer Exporter India
Lab Equipments Manufacturer Exporter India

Equipments for Fluid Mechanics Laboratory

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CORIOLLIS COMPONENT OF ACCELERATION
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CORIOLLIS COMPONENT OF ACCELERATION


DESCRIPTION :-

It is designed to study Coriollis Component of Acceleration of a slider crank mechanism. Here the mechanical slider system is replaced by a continuous stream of water flowing through a steadily rotating pair of tubes. These tubes can be rotated at various speeds by using a swinging field motor which also acts as dynamometer. A Perspex window on top of the tank gives clear view of the process and prevents splashing of the water over the side of the tank. The dynamometer continuously measures torque applied to the rotating tubes.
The Equipment is self contained, water recirculating, provided with its own speed control unit and separate water circulation pump.

SPECIFICATIONS :-

1)Main Tank : Fabricated out of fibber glass plastic sheet.
2) Rotating Arms : 9mm/6mm orifice dia, 300 mm long.
3) Rotameter : 300 to 3000 LPH
4) Electric Motor : D.C. Swinging field, 0.5 H.P. 50 RPM
5) Mono block Pump : Single phase, pump with Motor 2400 LPH discharge.
6) Control: Consisting of –
(a) pump switch
(b) Variac Speed Control
(c) Speed Indicator
(d) Main Switch.
7) Rigid Support Structures .

RANGE OF EXPERIMENTATION :-

Coriollis Component of Acceleration can be detrmined at various speeds of rotation and water flow rates.

SERVICE REQUIRED

1) Single phase A.C. Electric Supply 230 V A.C. 50 Hz.
2) Floor Space : 1.5 m x 1.5 m.


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CORIOLLIS COMPONENT OF ACCELERATION
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CORIOLLIS COMPONENT OF ACCELERATION


DESCRIPTION :

The total set up comprises of Centrifugal fan which blows air through a square duct which consists of several sections as following.
(A) INITIAL CONDITIONING SECTION
This section comprises of a cooling coil circuit, heater section and steam humidification system. This section enables simulation of normal year round weather conditions to some extent in the confined space of the duct.
B) FIRST OBSERVATION SECTION
This section consists of flow stabilization zone and temperature measurement section. Here condition of simulated air coming out of the first conditioning section is observed and recorded.
C) SECOND CONDITIONING SECTION
This section incorporates cooling coil, heaters and humidifier tubes as in first conditioning section. The equipment incorporated in this section can be operated suitably to bring final air condition somewhere near comfort conditioning zone.
D) SECOND OBSERVATION SECTION
This section incorporates flow stabilization zone and measurement section where final condition of air is observed and recorded after conditioning the same in second conditioning section.

FEATURES :-

Air conditioning is simultaneous control of temperature, humidity, air motion and purity of the atmosphere in a confined space. Air conditioning Trainer facilitates study of such air conditioning process especially related to comfort conditions. Unique facility of simulation of summer and winter conditions in the duct is speciality of Air Conditioning Trainer.

SPECIFICATIONS

1. Duct Size : 250 mm x 250mm x 2m. long (approx.)
2. Blower Fan : Driven by 0.5 H.P. (Approx.) 3 phase motor. Air flow 0.28 m/Sec. With butterfly valve inlet to control air flow rate.
3. Digital Temperature Indicator :
0-2000 C with 10 C least count, multi channel.
4. Steam Generator : compact unit provided with 1.5 Kw. Heater for generating steam.
Connected to both sections by insulated piping through hand control valves.
5. First and Second conditioning sections comprises of following :
a) Electrical Heater : finned U Tube air heaters 0.5 Kw. Capacity.
b) Dimmerstat : 230 V.A.C. Single phase, 5-10 Amp. Capacity. Common for both sections with selector swithch.
c) Energy Meter : 230 V.A.C. Single phase 5-10 Amp. Capacity.
d) High pressure Gauge for R-12 Refrigerant.
e) Low Pressure Gauge for R-12 Refirigerant.
f) Refrigerant flow meter for R-12 Refrigerant.
g) Cooling Unit : Comprising of sealed compressor, air cooled condenser, expansion valve and cooling coil in duct.
Capacity : i) 1st section 2/3 Ton
ii) 2nd section 1/3 Ton
h) HP-LP Cut out of suitable range.
7. Control panel consisting of proper switches and valves.
8. Sturdy fabricated frame for housing the duct, instrumentation and controls.
9. Dry and wet bulb thermometers 2 sets.

RANGE OF EXPERIMENTS

1. To find out C.O.P. of refrigeration circuit used for air conditioning applications.
2. Flexibility provided in creating wide range of entry conditions apart from ambient enables
3. students to study the year-round air conditioning process easily.
4. A range of experiments can be carried out at various air flow rates

SERVICE REQUIRED

1. R-12 Refrigerant : Approx. 7 kg.
2. Electric Supply : 15 Amps. 230V. and 32 Amps 440 V.A.C. continuous supply.
3. Space 5m x 3m.


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HYDRAULIC BENCH
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HYDRAULIC BENCH


DESCRIPTION :-

This is a water re-circulation system consisting of a water sump tank, mono block pump, top tray with drain, discharge measurement tank, and a bye-pass arrangement for the mono block pump.

Specifications :-

Table size - 1200 x 1000 x 800 (approx.)

2) Water Tray - 1200 x 1000 (approx.)

3) Sump Tank - 150 Lit. (approx.)

4) Discharge Measurement Tank - 50 Lit. (Approx.)

5) Monoblock Pump - 1 Phase, 230 V AC

6) Necessary Piping arrangement with a bye pass arrangement.

This bench is useful to conduct experiment on various set ups. At a time however, only one experiment set up can be used on this bench.


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BERNOULIS THEOREM APPARATUS
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BERNOULIS THEOREM APPARATUS


DESCRIPTION -:

The apparatus consists of rectangular transparent flow section connecting two tanks, the section can be easily removed or connected to two tanks. It converges for a small length & diverges for the remaining length. Flow can be controlled by a gate valve. Pizometers connected to flow section, make it possible to measure pressure heads & give visual observations of hydraulic gradient
Specifications :-

1) Tanks : 2 numbers of suitable size mounted on stand.
2) Flow channel of 90 cm length made out of perspex sheets.
3) Prizometer tubes equispaced at 5 cm
4) Measuring tank of 100 lit. cap.
5) Stop clock
6) Prizometer tubes equispaced at 5 cm
7) Measuring tank of 100 lit. cap.
8) Stop clock

RANGE OF EXPERIMENTS -:

1) Bernoulli’s theorem for the flow of real liquid can be verified.
2) Hydraulic grade line & the total energy line along the flow section can be plotted & can be studied.

SERVICE REQUIRED -:

1) Suitable water supply arrangement. 0.5 to 3 L.P.S.
2) Suitable drainage arrangement.
3) Floor Space : 3m x 1.5m


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MULTI STAGE CENTRIFUGAL PUMP TEST RIG
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MULTI STAGE CENTRIFUGAL PUMP TEST RIG


It is closed circuit test rig consists of “ ISI mark “ monoblock centrifugal pump. The pump is provided with a vaccum gauge on suction pipe and a pressure gauge on discharge pipe. The gate valve is used to adjust the head on the pump. The discharge is measured by measuring tank / water flow meter. The input power is measured by energymeter.

SPECIFICATIONS:-

1) Centrifugal Multistage Monoblock – 5 H.P.
2) Pressure Gauge and Vaccum Gauge for measuring the head.
3) Measuring tank of sufficient capacity.
OR
4) Water flow energy meter for measuring discharge.
5) Stop watch.
6) Sump Tank of sufficient capacity.
7) Energymeter to measure input power.

SERVICES REQUIRED :-

1) 440 V 15 Amp. ,stabilised three phase A.C.Supply
2) Floor Area – 2m x 2m x 1.5m height.
3) Tachometer for speed measurement ( can supplied at extra cost )

A technical Mannul accompanies the unit.


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RECIPROCATING PUMP TEST RIG ( D.C.MOTOR)
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RECIPROCATING PUMP TEST RIG ( D.C.MOTOR)


The close circit test rig consists ot reciprocating pump connected to D.C. motor controlled with the help of a dimmerstat. The pump is provided with a vaccum gauge on suction pipe and a pressure gauge on discharge pipe. The gate valve is used to adjust the head on the pump. The discharge is measured by measuring tank / water flow meter. The input power is measured by energymeter.

SPECIFICATIONS:-

1) Reciprocating pump driven by D.C.Motor –1 H.P.
2) Pressure Gauge and Vaccum Gauge for measuring the head.
3) Measuring tank of sufficient capacity.
OR
Water flow energy meter for measuring discharge.
4) Stop watch.
5) Sump Tank of sufficient capacity.
6) Energy meter to measure input power.

FEATURES :-

1) The equipment is coated with an attractive and anticorosive powder coating
2) The equipment consists of ISI standards of Energy meter & Water flow meter.

SERVICES REQUIRED :-

1) 220 V 15 Amp. ,stabilised three phase A.C.Supply
2) Floor Area – 2m x 2m x 1.5m height.
3)Tachometer for speed measurement ( can supplied at extra cost )

A technical Mannul accompanies the unit.


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RECIPROCATING PUMP TEST RIG ( D.C.MOTOR)
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RECIPROCATING PUMP TEST RIG ( D.C.MOTOR)


The close circit test rig consists ot reciprocating pump connected to A.C. motor with the help of a stepped cone pulley. Adjusting the belt on another pulley can change the speed of the pump. The pump is provided with a vaccum gauge on suction pipe and a pressure gauge on discharge pipe. The gate valve is used to adjust the head on the pump. The discharge is measured by measuring tank / water flow meter. The input power is measured by energymeter.

SPECIFICATIONS:-

1) Reciprocating pump driven by A.C.Motor –1 H.P.
2) Pressure Gauge and Vaccum Gauge for measuring the head.
3) Measuring tank of sufficient capacity.
OR
Water flow energy meter for measuring discharge.
4) Stop watch.
5) Sump Tank of sufficient capacity.
6) Energy meter to measure input power.

FEATURES :-

7) The equipment is coated with an attractive and anticorosive powder coating
8) The equipment consists of ISI standards of
a. Energy meter
b. Water flow meter.

SERVICES REQUIRED :-

1) 220 V 15 Amp. ,stabilised three phase A.C.Supply
2) Floor Area – 2m x 2m x 1.5m height.
3)Tachometer for speed measurement ( can supplied at extra cost )

A technical Mannul accompanies the unit


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JOURNAL BEARING APPARATUS
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JOURNAL BEARING APPARATUS


DESCRIPTION :

The apparatus consists of a plain steel shaft encased in a bearing and directly driven by a small electric motor. The bearing is freely supported on the shaft and sealed at the motor end.
The motor speed is precisely controlled and adjusted by specially designed control unit and can be run in both the directions.
The bearing contains twelve equispaced pressure lappings around its circumference and four additional ones along its topside and on a vertical radial plane. All are connected by light and flexible plastic tubes to the rear manometer panel so that pressure head of aoil at all sixteen points can be clearly observed at all times.
Oil is supplied to a low pressure region at both ends of the bearings by an adjustable resevoir fitted at the side of the rear panel.
The bearings can be loaded by attaching various weights to the arms supported beneath it.
A label is conveniently provided at the front of the apparatus.

SPECIFICATIONS :

Journal Bearing -- 70mm dia (Nominal) 75mm dia.
Weights -- 4 adjustable weights.
Recommended oil -- SAE 10
Motor -- D.C. shunt wound Speed range 500-3000 m rev/min
in both the directions
Control Unit -- Special design.
Manometer Panel -- 18 tubes mounted on a wooden back board

FEATURES :

• Pressure profiles along and around the bearing continuously monitored on large manometer panel.
• Theoretical pressure profile (Sommerfeld Analysis) an be carried out and compared with practical results.
• Wide range of speeds and loads possible
• Ideal for group studies and demonstrations.
• A. C. single phase F.H.P. motor is used with a speed control unit.
• Manometer height of 2-3m, provided for specialised low clearance bearing studies (according to order)

RANGE OF EXPERIMENTS :

1) Simple Demonstrations
Observation of the pressure profile at the various conditions of load and speed
2) Expermintal Investigation :
After noting the pressure profile for any chosen conditions the following analysis may be conducted.
a) Plotting the cartesian and polar pressure curves.
b) Plotting the theoretical Sommerfeld curves
- K sin(2 + ncos)
P – Po = ------------------------
( 1 + ncos)2

SERVICE REQUIRED :

A.C. Single phase 230V 50Hz. Electrical supply.

INSTRUCTION MANUAL :

A Technical Manual accompanies the apparatus. The details the equipment and test procedure.


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MOMENT OF INERTIA UPON VELOCITY AND ACCELARATION
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MOMENT OF INERTIA UPON VELOCITY AND ACCELARATION


INTRODUCTION :-

Velocity and accelaration of a body depends upon its inertia for a particular accelarating force. The ‘SUPERSONIC’ apparatus consists of a flywheel mounted in ball bearings. When torque is applied to it, it starts accelarating If the inertia of flywheel is reduced by weight, then for same torque, velocity and accelaration of lighter flywheel will be greater. Thus effect of inertia upon velocity and accelaration is demonstrated. When weight are attached to flywheel, inertia of flywheel is changed.

SPECIFICATIONS :

1) Flywheel –200mm x 35mm thick.
2) Pulley and weight set for applying the torque weight set 200gm,500 gm,1 kg
3) Recorder – Paper roll with reciprocating pen.
4) Small Motor to mounting backet with ball bearings.
5) Flywheel mounting bracket with ball bearings.

SERVICES REQUIRED

1) Bench area of 0.5 X 0.5 m
2) 230 v 50 Hz AC supply.
3) A detailed technical manual accompanies the unit.


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ORIFICE & MOUTHPIECE APPARATUS
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ORIFICE & MOUTHPIECE APPARATUS


INTRODUCTION :
Measurement of flow constitutes an essential part in all flow systems. The fluid flow in open channel definitely requires some system to measure the quantity of fluid passing through, Direct measurement of flow either gravimetric or volumetric is the most accurate method.
An apparatus for determination of co-efficient of discharge of orifices and mouthpieces consisting of a storage Tank, Collecting Tank, supply Tank and Pump (0.5HP) for lifting water. Control valves and measuring instruments like stop clock, scale X-Y coordinate measuring arrangement etc. will be provided.

  • Set of orifices : 10mm. & 15mm.
  • set of Mouthpiece : Dia. 10mm. L/D 2.5 and 4

BASIC SET-UP :

This is the basic module required by all the experimental setups.

1. STORAGE TANK - :
Made out of fibreglass for corrosion prevention suitably mounted on a sturdy frame support. Size 100cm x 70cm x 23cm (approx.)

2. COLLECTING TANK - :
Made out of fibreglass for corrosion resistance, mounted on the top frame of the storage tank. Size of the collecting Tank is 55cm. x 45cm. x 40cm. Capacity approx. 60 litres, fitted with drain valve 1” size piezo meter Tube with calibrated lits. Marking scale.

3. MONOBLOCK PUMP
Monoblock 1ph, ½ HP pump shall be provided with the setup which shall be mounted on the base plate. Necessary piping with by-pass valve and suction piping are provided. The connection for the test equipment is made by flexible Hose-pipe.


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THE EQUIPMENT
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THE EQUIPMENT


The present equipment is a set-up used to study the performance of Orificemeter & Mouth Piece. Any of the device can be adopted and the performance can be studied. The equipment consists of a main tank to which the water is supplied. At the bottom of this main tank an oil seal is adopted. Through this oil seal a pipe slides up or down. The water over flows through this pipe & a constant head is maintained over the flow measurement device. A piezometer tube at one side of the tank shows the head. This head is measured by scale. The exit water through the meter is guided through a channel in to the measuring tank. The supply to the unit can be adjusted by the gate valve in the supply line..

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PELTON WHEEL TURBINE
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PELTON WHEEL TURBINE


Introduction :-

Engines & Turbines are widely used as Prime Movers.
The Pelton Wheel Turbine using kinetic energy of water is used widely where high head & ample water is available.

SPECIFICATION

a) Sump Tank :- 1200  600  600
Specific Speed :- Approx. 19 rpm.
Net Head :- 45m Approx.
Discharge :- Approx. 820 LPH.
Normal Speed :- 750rpm.
Power :- 3.75kw ( 5HP )
Runner Diameter :- 250 mm.
Number Of Buckets :- 18
Brake Drum Diameter :- 450mm.

b) Centrifugal Pump set suitable for supply of water of size
3”x 2. ½” size 820
lpm at 48 M coupled to 15 HP induction motor 3 phase
400/400 V.A.C. supply.

c) Flowing Measuring Unit : a 65 mm ventury meter of Gunmetel
with two
pressure gauges on a Panel board to measure the differences
of pressure.

d) Starterv switch, piping, foot valve, gate valve.

EXPERIMENTATION

1) Demonstrating the operating characteristics i.e. power efficiency and torque of a Pelton Wheel at various speeds.

2) Determining the performance characteristics and effect of discharge and velocity of impinging water on Turbine operation.


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PIPE FRICTION APPARATUS
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PIPE FRICTION APPARATUS


INTRODUCTION :-

An apparatus for determining losses due to friction in pipes of 15, 20 & 25mm. Dia. approx. Consisting of collecting Tank, storage Tank, pump (0.5HP) Control Valves, pressure tapping, Piezometer Board, Stop Clock etc.

BASIC SET UP - :

1. STORAGE TANK
Made out of fibreglass for corrosion prevention, suitably mounted on a sturdy frame support. Size : 100cm. x 70cm. x 23cm. (approx.)

2. COLLECTING TANK
Made out fiber glass for corrosion tank. Size of the collecting Tank is 55cm. x 45cm. x 40cm. Capacity approx. 60 liters, fitted with drain valve 1” size piezomenter Tube with calibrated liters Marking scale.

3. MONOBLOCK PUMP
Monoblock, 1 ph, 1/2HP Pump shall be provided with the set-up which shall be mounted on the base plate. Necessary piping with by – pass valve & suction piping are provided. The connection for the test equipment is made by flexible Hose pipe.

SPECIFICATIONS

1) Three pipes : 50mm, 40mm & 25mm nominal diameters approximately connected in a common manifold.
2) Pressure tappings at 2.5 m distance.
3) Supporting stand structure for the equipment.
4) Measuring tank of 100 capacity with drain valve & gauge glass.
5) Differential manometer of 1m length without mercury.

RANGE OF EXPERIMENTS :

1) To determine coefficient of friction for pipes.
2) To plot relation between pressure loss & flow rates for a particular pipe diameter.

SERVICE REQUIRED :

1) Water supply arrangement.
2) Suitable drainage arrangement.
3) Mercury manometer of 0.5 kg approx.
4) Floor space : 4.5 x 1m.


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REFRIGERATION TUTOR
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REFRIGERATION TUTOR


INTRODUCTION :-

Vapour Compression Refrigeration Cycle is a very widely used cycle. The main object is to demonstrate Refrigeration system with basic components and necessary controls. The practical working is demonstrated here and also a considerable amount of theoretical analysis and performance can be studied.

SPECIFICATIONS

1. Compressor : Hermetically sealed Kirloskar Make or equivalent (920 Kcal / Hr rated cooling capacity
2. Air cooled Condenser – Suitable for above compressor with suitable Cooling fan.
3. Expansion systems
a) Capillary Tube
b) Thermostatic Expansion valve.
4. Evaporator coil : Suitable for above compressor immersed in water tank of stainless steel.
5. Electric Heater : For balancing Refrigerating effect produced.
6. Rotameter : For liquid refrigerant flow rate
7. Refrigerant : Freon 12
8. Energy meters for Power measurement of compressor & Heater (Calorimeter)
9. Dimmerstat : 230 V.A.C. Single phase for Heater control.
10. Pressure gauges 2 Nos. for HP & LP Measurement.
11. Temp. Indicators.
12. Solenold alve: 230 V Supply : 1 No.
13. H. P. / L. P. cutout : to suit compressor pressures.
14. Sight Glass : 1No.
15. Service Valves : 3 Nos. needle type.
16. Ammeter
17. Voltmeter
18. Thermostat
19. Filter / dryer
20. Illustrative Instruction Manual.
21.The circuit mounted on a board equipped with all controls

RANGE OF EXPERIMETS

1) To demonstrate the basic vapour compression Cycle of Refrigeration.
2) To study theoretical cycle and plotting on T. O and P.H. charts.
3) To find out refrigerating effect and work input hence actual and theoretical C.O.P.

SERVICE REQUIRED

1) Single phase – 230 V.A.C. Supply (15 Amp.)
2) Freon – 12 gas – 2 kgs.
Approximately for initial charging.
3) Charging Unit – for maintenance.


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REYNOLD'S APPARATUS
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REYNOLD'S APPARATUS


INTRODUCTION

Whenever fluid flows the pipe under pressure, certain amount of head is lost due to resistance. The lose of Energy however depends upon type of flow.
(1) Laminar (2) Turbulent

FEATURES :

1) Rust- proof powder coated tank.
2) Glass tube provided to visualise the flow.
3) Dye tank with Pottasium Permangnet.

DISCRIPTION

The equipment mainly consists of a storage tank and another small tank which contains ‘dye’. The main tank has a horizontal transparent tube with a bell mouth entry and a flow control valve at the discharge side.
The discharged water falls in atmosphere and the rate flow i.e. the velocity of water is varied by the flow control valve.
The dye is introduced in the tube at the bell mouth section.

SPECIFICATION

(1) Storage tank with flow - 400 mm x 400 mm x 700 mm
(2) Measuring Flask - 1 ltr.
(3) Dye bottle tank - 170 mm x 300 mm long
(4) Transparent tube - 1 meter long wit 25 mm I.D.
(5) Stand to mount glass tube
(6) Balancing tank to maintain - 300 mm x 300 mm x 250 mm constant head.
(7) Potassium Permangnet provided as dye.

RANGE OF EXPERIMENTS

1) To determine the Reynold’s number and hence the type of flow either Laminar or turbulent.
2) To determine upper & lower critical Reynold’s number’s & velocities.

Almost care is taken for preparing this literature, but still there are any mistakes, those may be excused. We reserve our right to change or modify the equipment without notice.


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