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SS205 Universal vibration Apparatus Teaching Teaching Equpment
Description
Mechanical vibrations are usually found as an unwanted side effect in many areas of engineering. Examples include vehicle vibrations on uneven roads or engine vibrations. Vibration theory is a particularly challenging area in the field of mechanics.
The vibration trainer can be used to study many topics from the field of vibration theory through experimentation.
The topics range from simple pendulum-swinging forced vibrations with resonance to vibration absorption.
The central element of the vibration trainer is a sturdy profile frame, to which the different experimental setups are easily attached. The extensive accessories are housed in a mobile laboratory table with drawers. In addition to free vibrations, forced vibrations can also be represented by means of an electric motor imbalance exciter. The excitation frequency is set and displayed on a control unit.
An oil damper allows the study of damped vibrations with adjustable damping ratios. Vibration absorbing is demonstrated with a tuneable bending oscillator. A mechanical drum and a polar chart recorder make it possible to record vibrations.
The measured values can be displayed and analysed on a PC using the optional TM 150.20 unit for data acquisition.
Specification
vibration trainer with experiments on damping, resonance, dual-mass system and vibration absorption
6 pendulum oscillators, 2 bar-type oscillators and 1 spring-mass oscillator
electrical imbalance exciter
control unit for the imbalance exciter with a digital frequency display and a TTL output for triggering external devices
tuneable absorber with a leaf spring
adjustable oil damper
electrically operated drum recorder for recording free vibrations
polar chart recorder for determining the amplitude and phase of forced vibrations
Technical data
Beam, rigid: LxWxH: 700x25x12mm, 1,6kg
Beam, elastic: LxWxH: 700x25x4mm, 0,6kg
Tension-pressure springs
0,75N/mm
1,5N/mm
3,0N/mm
Imbalance exciter
0…50Hz
100cmg
Oil damper: 5…15Ns/m
Absorber
leaf spring: WxH: 20×1,5mm
total mass: approx. 1,1kg
tuneable: 5…50Hz
Drum recorder: 20mm/s, width 100mm
Polar chart recorder: Ø 100mm
230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
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[1] investigation of the pipe friction in laminar or turbulent flow on Hydraulic Bench
[2] transparent tank with overflow ensures constant water inlet pressure in the pipe section for experiments with laminar flow
[3] water supply via Base Module ( Hydraulic Bench) or via laboratory supply for experiments with turbulent flow
[4] flow rate adjustment via valves
[5] twin tube manometer for measurements in laminar flow
[6] dial-gauge manometer for measurements in turbulent flow
[7] flow rate determined by base module Hydraulic Bench
[8] water supply using base module ( Hydraulic Bench) or via laboratory supply
* Diameter of test pipe : 3.0mm ( Bore)
* Length of test pipe : 524mm
* Needle Valve included to regulate flow rate
length: 1000mm – Pipe section 1: acrylic 20×1.5mm – Pipe section 2: steel 1/2″ –
Smooth-bore pipes of various diameters Size – 6mm , 10mm, 17mm
Overall dimensions:
* Height : 1.05m form the ground level
* Width : 2.25m
* Depth : 0.43m
Test Pipe Diameters:
The Pipe network should have 90° Bends, 90° elbow,90°T, 45°elbow & Y.
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Sudden contraction
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Gate Valve
Globe valve
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Laminar to turbulent flow regimes in pipes
Energy losses in pipe fittings and bends
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Flow measurement using orifice plate
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“Specification
Function and operating behaviors of a modern heating system with digital heating controller
• Four-way mixer and three-way mixer
• Electric boiler
• 2 circulating pumps, 1 domestic water pump
• 4 different radiators and additional plate heat exchanger with shower system as domestic water consumer
• Colored pipes indicate heating feed and return
• Measurement of temperature, pressure and flow rate
• Boiler, 4 stages: 6/9/12/15kW,
• Max. Feed temperature: 95°C,
• Water tank capacity: 16 ltr
• Circulating pump 3 stages: 60W,
• Max. Flow rate: 60ltr/min,
• Max. Head: 4m
• Domestic water pump: 20W, max. 640ltr/h, max. 0.14bar
• Plate heat exchanger: 3kW, 10 plates
• Measuring ranges: temperature: 3x 20…120°C / 2x 0…120°C / 2x 0…100°C / 4x 0…80°C, pressure: 8x 0…2.5bar, flow rate: 100…1000ltr/h, water meter: 2.5m³/h
“• Manual with theory and experiments
• Size(LxWxH): 1500x900x1700mm
• Weight: 300Kg
a. Heat pump system
b. Compressor : 1HP
c. Condenser : Air-cooled type
d. Evaporator: pin, Tube air-cooled type
e. Evaporator
f. Expansion Valve : manual type
g. Liquid receiver : 1/2HP
h. Accumulator : 1HP
i. Electronic valve : 3/8” nut clamp type
j. Manometer
k. Fitting nipple
l. Sight Glass
m. Electric control module: DC24V
n. Thermostat range: -50℃‾100℃
o. Geothermal system
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-Water unit chamber
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Specification
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• Force measuring device to determine the expansion force
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Specification
[1] examination and comparison of various heat exchanger types
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[4] operating mode (parallel flow or counter flow) selectable via valves
[5] flow rates adjustable via valves
[6] electromagnetic flow meter
[7] digital displays for temperature, pressure differences and flow rate
[8] hot & cold water benches available for
independent operation
[9] water/steam heat exchanger unit and electrical steam
Generator available for further experiments
[10] software for data acquisition via USB under Windows Vista or
Windows 7
Technical Data
Plate heat exchanger, 10 plates
– heat transfer surface area: approx. 0,26m²
– capacity: 15kW
Tubular heat exchanger
– heat transfer surface area: 0,1m²
– heat transfer surface area (coil): 0,17m²
Shell and tube heat exchanger
– capacity: 13kW
Finned cross-flow heat exchanger
– heat transfer surface area: approx. 2,8m²
– max. flow rate fan: 780m³/h
– max. pressure difference fan: 430Pa
Jacketed vessel with stirrer
– heat transfer surface area (vessel): 0,16m²
– heat transfer surface area (coil): 0,17m²
Measuring ranges
– differential pressure air: 0…10mbar
– differential pressure water: 0…1000mbar
– flow rate: 0…3m³/h
– temperature: 0…100°C
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Learning Objectives / Experiments
– flow measurement
– differential pressure measurement
– effect of flow and surface roughness
– effect of the flow velocity
– effect of changes in pipe direction
Specification
[1] investigation of the pressure loss at pipe elements with different changes in pipe direction and materials
[2] pipe elements are commercially standard components in heating and sanitary engineering
[3] clear panel mounted on a sturdy, movable frame
[4] simply selection of the measuring sections via hose connection with quick-release couplings
[5] flow can be adjusted via valves
[6] flow measurement using rotameter
[7] differential pressure measurement via differential pressure meter with display
Technical Data
Measuring sections: 2300mm
– pipe section 1: steel, diameter: 1/2″, 90° pipe angle
– pipe section 2: steel, diameter: 1/2″, 90° pipe bend
– pipe section 3: copper, diameter: 18x1mm,90° pipe angle
– pipe section 4: copper, diameter: 18x1mm,90° pipe bend
Differential pressure meter
Measuring ranges- flow rate: 150…1600L/h- differential pressure: -350mbar…350mbar
Dimensions and Weight LxWxH: 1650x700x1850mmWeight: approx. 100kg
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Training panel for investigating the pressure losses in pipe fittings such as elbows and bends
4different measuring sections, measured length of each section 2300mm, 10 elbows/bends
Pressure measurement with annular chambers with electronic differential pressure gauge
Flow rate measurement with Rota meter
Hose connections made using quick action coupling
Water feed via pressure reducer
Cold water connection
Differential pressure gauge with bleed – measuring range: 0…2000mbar – supply: 9V, battery-operated
Rota meter: measuring range 150…1600ltr/h
Outlet pressure at pressure reducer: 0.5…2bar
Pipe sections: measured length: 2300mm – Pipe section 1: steel, bend
1/2″, 90° bend – Pipe section 3: copper 18x1mm, 90° elbow – Pipe section 4: copper 18x1mm, 90° bend
Pipe and Fittings
7mm bore test section
13.6mm bore test section
13.6mm bore test section with four bends
13.6mm bore test section with four elbows
13.6mm bore test section with ball valve
13.6mm bore test section with angle seated valve
Expeirmental Capabilities
Determination of pressure drop across various pipes and fittings at differnet flow rates
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investigation of the pressure losses of flow through pipes
– measurement of the pressure differential on different pipe sections
– influence of various pipe diameters
– influence of different materials and surface roughness
– effect of the flow velocity
– comparison between experiment and theory
Specification
[1] investigation of friction-induced pressure losses in flow through pipes
[2] pipe elements are commercially standard components in heating and sanitary engineering
[3] clear panel mounted on a sturdy, movable frame
[4] four measuring sections with different pipe crosssections and materials
[5] pipe sections can be selected via ball valves
[6] water connections made using quick-release couplings in the inflow and return
[7] flow can be adjusted via valves
[8] flow measurement using rotameter
[9] differential pressure measurement via differential pressure meter with display
Technical Data
Pipe sections measuring length: 1000mm
– pipe section 1: transparent plastic, diameter: 20×1,5mm
– pipe section 2: steel, diameter: 1/2″
– pipe section 3: copper, diameter: 18x1mm
– pipe section 4: copper, diameter: 15x1mm
Differential pressure meter
Measuring ranges- flow rate: 150…1600L/h- differential pressure: -350mbar…350mbar
Dimensions and Weight LxWxH: 1650x700x1850mm Weight: approx. 92kg
Required for Operation
Water connection: 1500L/h, drain
