Critical condition of Struts Apparatus apparatus comprises a sheet metal frame which supports four slender spring steel struts having loading platforms at their top ends.
Critical condition of Struts Apparatus apparatus shows how the buckling mechanism occurs, and the influence of the end restraint. A piece of material in compression is called a strut. If it is short and stubby it will fail by compressive stress, but if it is slender the failure mode is that of buckling. The load at which the strut buckles depends on the way in which the ends are restrained. Built-in ends resist buckling more than ends which are free to move.
Experimental Capablities:
To compare the result with theoretical predictions, such as Euler's formula.
To observe the behaviour of four struts of the same length but with different end constraints when subjected to buckling loads.
Bench top for investigations on motion, plastic and elastic impact, momentum, spring-mass oscillation and on friction System to consist of:
Inclinable track with stoppers at both sides
Friction block
Plunger carriage
Device for actuation of carriages and friction block
3 tension springs
Rolling carriage
3 sets of weights
Deflection pulley
Cord
Moveable stopper for track
3 buffers with rubber buffer heads for covering of permanent magnets
Additional weights for carriages including measuring tape: length: 2000mm, resolution: 1mm.
They are suitable for a range of hydrodynamic research functions, from current meter calibrating to large ship model testing at speeds of up to 20m/s. All carriages are designed such as to cope with steady state and dynamic model testing, whilst ensuring smooth running at constant speeds. Our range of Carriages often incorporate four quadrant systems for smooth acceleration and retardation. Towing Carriages are manufactured from modern high-grade materials offering rigidity and strength, but where necessary manufactured in suitable lightweight materials for high-speed applications. Drive trains, electrical systems, control equipment and other important key components are selected in order to reduce overall maintenance costs and down time during routine maintenance. Software control maximises test duration in calm water and with links to wavemakers can maximise test duration in waves.
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A workbench, complete with loads, motors and data acquisition systems. Approximate dimensions: 2000 mm x 800 mm x1700 mm (h).
An auxiliary table for PC, bench top instruments and equipment like oscilloscopes, multi meters, etc.
Measurement system for complete power parameters.
Mechanical and electrical data acquisition instruments.
Programmable Logic Controller(PLC).
2 Motors (conventional and high efficiency, 1.5 HP).
A control panel, with all the electric and electronic components arranged in an ergonomic way.
Load module
Motors driving systems: frequency inverter,soft starter, contactor.
Driving system and protection elements such as: circuit breakers, regulators, switches, keys, lights.
Experiments:
Heat transfer
Multi-variable control up to three variables can be monitored and individually controlled
ON/OFF control experiment includes investigation of over shoot and undershoot, Frequency response of model process
Thermal inertia and variable-time constants
The flexible design of the equipment allows the user to develop many other analysis and control exercises to suit their needs. It is good for extended or advanced control experiments, and is ideal for student project work.
ON and OFF time ratio, rates of heating and cooling, offset and hysteresis
Proportional, proportional + integral, or proportional + integral + differential control.
Solar cells, fuel cells, gas storage tanks and fan each have a magnetic base and can be combined for numerous experiments such as solar car, hydrogen production in a solar-hydrogen gas station, air breathing fuel cell car, solar hydrogen system, reversible fuel cell system, dismantle fuel cell and methanol system. Comprehensive in structional materials included. Fuel Cell Tutorial Teacher Set Complete solar hydrogen system in a carrying case. Consist of Solar Module Tutorial, reversible fuel cell /Air for production of hydrogen and oxygen, Electrolyser Cell5 for hydrogen and oxygen production, PEM fuel cell for hydrogen/ oxygen or hydrogen/air operation, Direct Methanol Fuel Cell with built-in methanol tank (runs on 3% methanol-in-distilled-water solution), kit that can be completely disassembled, two hydrogen/oxygen storage tanks for electrolyser and reversible systems, Fan Tutorial and car applications as electric loads, baseplate, Power Supply, Battery Box, connector cables, silicone tubing and 250m1 distilled water.
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The Simple Pendulum oscillates on a knife-edge bracket attached to the wall at a convenient height.
The Simple Pendulum mass can be adjusted to any position along the pendulum cord length, quickly and easily. Set-up time is minimal for excellent results.
A Simple Pendulum consisting of a cord with a ring at the top end and a sliding pendulum mass.
A stopwatch and ruler are supplied to time the swing of the pendulum and to measure its length.
Experimental Capabilities:
To show that the periodic time of swing is proportional to the square root of the pendulum length
To determine the gravitational acceleration 'g'.
Solar Photovoltaic Trainer can operate either indoors or outdoors. Solar energy can be simulated by lights, which can be varied in intensity to show the student the electrical output variation. Solar Photovoltaic Trainer the advanced level program utilizes a new design, which allows more activities for the student in analyzing the effect of azimuth and zenith angles on the power output. The electric power is measured by an ammeter and voltmeter mounted on the chassis.
The trainer has two solar panels mounted on a swivel so that optimal sunlight can be captured and allows the students to measure the azimuth and zenith angles of incident. Also offers a similar model that is mounted on a flat classic series board. Solar Photovoltaic Trainer can operate in and out of the classroom and also comes equipped with a DC to AC inverter to apply outside loads.
With this board the students can study the operating principle of analog communication systems and analog signal processing techniques such as multiplication, division, square root, power, logarithm, antilogarithm, attenuation, amplitude modulation and demodulation, non inverting adder, difference amplifier, integrator and shunt. The design and construction of electronic circuits to solve practical problems is an essential technique in the fields of electronic engineering and computer engineering.
Theoretical Topics:
Characteristics and key specifications for fixed and step attenuators
Audio attenuators
Forms of amplitude modulation
Simultaneous multiplication and division
Analog computation of powers and roots
Familiarization with analogue computing technique
Basic and advanced linear operations
Amplitude modulation and demodulation methods
Square root operation
Attenuator overview
Log ratio computation
Antilog computation
The Solar Photovoltaic Troubleshooting Learning System includes all components needed to develop hands-on, job-ready skills: all solar specific components as well as balance of system items. The solar photovoltaic PV learning system contains a mobile workstation, component panels with breakers, combiner box, MPPT charge controller, lamps, batteries, meters, grid-connected inverter, a fault insertion system, PC-based multimedia student curriculum, and instructors assessment guide. The required two-panel array provides a complete solar PV troubleshooting experience.
Solar Photovoltaic Troubleshooting Learning System Installing and maintaining solar photovoltaic (PV) systems requires hands-on skills and troubleshooting ability across the types of PV systems commonly used such as AC, DC, and grid-connected. Budding engineers and designers need to understand the technologies used in these systems as well.
The Solar Photovoltaic Troubleshooting Learning System teaches students connection, operation, programming, and troubleshooting of AC/DC and grid-connected systems. Solar Photovoltaic Troubleshooting Learning System allows students to develop the specialized skills and knowledge needed for working with the common types of PV systems. The curriculum is highly interactive, PC-based multimedia that allows students to use the learning style best for them reading, listening, visual.
Features:
Balance of System Components Replicates Real World PV Systems
Computerized Fault Insertion
Grid-Connected and Micro Inverters
Modern Communications and Programming
Mobile, Multiple PV Panels.
Welding Technology Learning System consists of a workstation with a self-contained down-draft table and angle grinder, storage station, gas metal arc welder, weld test fixture, tools and fixtures, safety gear, student curriculum and teachers assessment guide.
The Welding Technology Learning System teaches how to safely create an array of high quality weld types. Welding plays a critical role throughout our economy. It is central to many industries including manufacturing, construction, and aerospace to name only a few. Welding is a blend of both art and science, joined together to create enduring bonds that allow us to create structures and machines on a scale impossible to achieve without it. The Welding Technology Learning System is mobile with both the workstation and storage unit designed for classroom use.
Features:
Mobile Technology Workstation with Vise
Magnetic Stainless Steel Top Workstation
Turnkey Storage Station.
The oven is supplied complete with two grid shelves easily removable and that can be positioned at various heights pilot light, exhaust holes for fast cooling. Natural convection digital thermoregulator indicator. Designed for drying, baking, conditioning and moisture determination. Sturdy manufacture double walled with 60 mm thick glass fiber for thermal insulation. Exterior front part is stainless steel made; while interior chamber, grid shelves and external walls are made from zinc coated steel. The oven is equipped of a dual safety thermostat with higher thermic threshold to prevent accidental over-temperatures, and to ensure safe working conditions. Temperature from ambient to 200°C. is controlled by a digital thermoregulator-indicator.
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Effect of rod length, rod material and J value on angle oft wist. The Torsion Experiment Kit enables studentsto understand the relationship between torsion and the angle of twist for anygiven material.
Features:
Appliedstudent Learning via Building and experimentation
Hands-onLearning
Multipleexperimental capabilities per self-contained kit
Clear andconcise pictorial assembly instructions enhance the learning experience
Tool-Lessassembly
Supplied witha detailed instruction manual, covering the theory of Torsion includingmultiple practical experiments designed to further develop the studentsunderstanding in this field.
The Piston Engine Cutaway Model can be operated with a hand crank to show the internal mechanism and working of an engine, which include spist on action and valve action. The Piston Engine Cutaway Model is a carefully machined cutaway of an aircraft piston engine. We also accept special requests for a specific make and model engines cutaway. Piston Engine Cutaway Model is a motorized version which is rotated by an electric motor to show the inside view of the operation of an engine. There are two models available Piston Engine Cutaway Model is a four-cylinder engine cutaway, and Piston Engine Cutaway Model is a six-cylinder engine cutaway.
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The Aircraft specification describes how an avionics system transmits information over the unidirectional data bus to other system elements. The Trainer is complete and comprehensive equipment to prepare aircraft maintenance engineers and avionics engineers to understand and maintain modern aircraft. Aircraft specifications define the standard for transfer of digital data between avionics system elements. Aircraft standards are used on virtually all commercial aircraft.
The Aircraft data words define the units, ranges, resolutions, refresh rates, number of significant bits, padbits, etc. for the words transmitted by the different avionics system elements. Trainer simulates signals at two speeds. Words are 32 bits long including a label, parity bit and other fields. The software installed on the trainer is an intuitive, graphical data bus analyzer that simplifies the simulation of Aircraft based avionics systems. The use of this model does not require programming expertise, and trainees do not need to write software programs. All they need to do is consult the comprehensive training manual provided with the trainer, to understand the various menu options. The user-friendly MS Windows-based interfaces allow transmission and reception on data buses with just a few clicks of the mouse. Then, while the bus is running, data and bus activity can be observed in meaningful engineering units, and can be changed on the fly.
Hardware:
The hard ware utilizes a rack-mount PC, 17-inch LCD TFT monitor, ARINC 429 interface, laser printer, instructors panel, patch panel, and power supply unit. The equipment is installed in two 19-inch racks of 18U height.
Pressure and Vacuum gauges are connected on delivery and suction side of pump for the purpose of measurement. The flow rate of water is measured using measuring tank and Digital Timer provided in our Impact of Jet Apparatus. Impact of Jet Apparatus consists of a centrifugal pump coupled with electrical motor, supply tank, measuring tank & pipe fittings for closed loop water circulation.
Features:
Water Circulation Closed loop.
Powder Coated Painted structure
Simple to operate & maintain
Compact & stand-alone set up
MS Tanks with FRP Lining.
Experiments :
To investigate the forces produced by a water jet striking a flat or a curved surface.
Utilising the service unit the flow meters experiment rapidly mounts onto the multi functional work panel and is connected to the built-in water supply via quick connect couplings. Differential pressure reading is taken using a digital manometer against varying flow rates.
Combined with the Fluid Science Service Unit, the Fluid Science Flow Measurement Tray, provide shands on experimentation designed to demonstrate flow measurement and the relationship between velocity and pressure drop.
Thetray includes the following flow meters:
Orifice plate The use of anorifice plate to measure flow is demonstrated by measuring the pressure dropacross a defined orifice. The geometry of the orifice is in accordance with standard industrial orifice flow meters.
Venturi Meter : Used to demonstrate Bernoull is equation, showing how low pressure is generated in the throat of aventure tube, and how this is affected by flow. Thegeometry of the venturi orifice is in accordance with standard industrial venturi flow meters, so the use of a venturi to measure flow can also bedemonstrated. The flow recovery is also demonstrated by measuring the total pressure drop across the module.
