Diameter: 30mm, length: 1600±10mm. 100mm distance as unit, the side painted with red , white should be equipped with anticorrosive painting iron pin .
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Unaltered natural properties and characteristics of the active constituents, no discolouration or oxidisation
High pressure, room temperature extraction, excellent for sensitive materials
Easy to use: microprocessor control and real time display of sequencing and process parameters
Fast, efficient solid-liquid extraction of active constituents from plants, herbs, fruits and other similar materials
Automatic pressure control
Highly flexible extraction parameters
Automatic alarm indication of process anomalies.
Using this accessory for the universal material teste a bending bar is investigated. An I-section steel beam is used as the base. This is straightforwardly bolted to the lower cross-member on the. This is mounted on two supports and loaded with a point force generated by the tester. By sliding the bearing it is possible to apply the force in different positions and change the support width. The influence of the modulus of elasticity and planar moment of inertia is also demonstrated. Using the apparatus, the relationship between load and elastic deformation can be demonstrated.
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They are grouped into individual assembly sequences. The base plate is covered with a transparent cover panel on which a graphical representation of the assembly structure is printed. The kit contains all the parts required to assemble a functional bending device. The parts are clearly laid out on a base plate. The surfaces of the finished parts have a gunmetal finish to prevent corrosion. Multiple trays are stackable, providing for space-saving storage. The kit is ideally deployed for student exercises during teaching, with two/three students able to work with each kit. The graphic symbolises standard and production parts, and also represents fixed and moving connections differently. The comprehensive and clearly structured instructional material is laid-out in line with modern principles and is of great help with lesson preparation. All parts are precision-manufactured on CNC machines and feature standard engineering tolerances and surface finishes.
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Safety bearing and transparent protective cover for safe operation
Two pre-selectable speed ranges, speed electronically regulated and infinitely adjustable
Digital speed indicator
Investigation of bending vibrations and resonance of a rotating system
Two masses that can be fixed at any point
Two self-aligning ball bearings moveable to any point as the rotor shaft mount.
The experimental beam is in two parts, joined by a pair of low friction ball bearings. An underslung spring balance provides a resisting moment and measures the section bending moment.
Demonstration of the action of moment of resistance in a beam; measurement of bending moment at a section of a loaded beam; verify equilibrium of forces and moments.
The load hangers mountable in virtually any position along the beam.
An Instruction manual for student and lecturer provided
To be a bench mounted apparatus consisting of an 'experimental beam', 3 weight hangers, 2 supports and a spring balance
Set of calibrated weights and tools supplied.
Indication of bending moment in beam by low-friction hinge with one degree of freedom.
Investigation of bending moment on beam mounted on two supports.
Force gauge and lever arm to indicate bending moment.
Adjuster nut for horizontal alignment of beam.
Position of hinge at 1/3 span.
Two bearing supports.
Loading of beam by one to three point loads.
Storage system to house the components.
The beam fixes to the Multi Structures Test Frame. Students apply loads at set positions using hangers holding various masses. The experiment hardware is a simply supported beam cut by a pivot. A Multi-Channel Digital Transducer Display displays forces during experiments. To stop the beam collapsing, a moment arm bridges the cut onto a load cell thus reacting (and measuring) the bending moment force.
Features:
Allows safe and practical experiments into bending moments in a beam
Realistic and verifiable experiment results
High-quality structures teaching module for students of mechanical, civil and structural engineering
One of many interchangeable experiment modules from AIIs modern, flexible and cost-effective Structures teaching system
Ideal for classroom demonstrations, or students working in pairs or small groups.
Shows and proves the basic theory of bending moments in a beam
Optional AIIs Structures Software package for extra virtual experiments that simulate and confirm the results from your hardware and allow extended experiments
Optional unit with AIIs Structures Software package for automatic data acquisition and virtual experiments.
Study of Bending Stress In A Beam
Converting strains to stresses
Strain gauges
Second moment of area
The bending equation
The neutral axis.
An inverted aluminium T-beam is mounted between two simple supports on knife edges. The load onto the T-beam is applied using a fine screw jack mechanism with integral load cell. A standalone experiment for determining the bending stresses and strains across the surface of a T-beam. The load cell arrangement and supports create a three (3) point loading.
These strain gauges are paired with temperature compensation dummy gauges for output stability. A number of precision strain gauges are arranged on the T-beam specimen. Each strain gauge pair is numbered for accurate connection to the Interface.
Mechanical stress, to which design elements are generally exposed, generates stresses in the affected component or the material. The component does not return fully to its original form after the deformation, resulting in a change of shape. If these stresses are too large, there is plastic deformation of the material in addition to the elastic, reversible deformation.
Features:
Plot loadextension diagrams.
Observe and determine the transition from elastic to plastic deformation.
Learning Objectives And Experiments:
Load on a beam with a point load
Demonstrate the invalidity of the superposition principle in the plastic region
Compare the load and relief curves
Plot a loadextension diagram and determine the nonlinear behaviour.
Bends And Fittings Friction is to be used with Hydraulics Bench All bends and fittings are connected in series with pressure tappings on both sides of each device. The Bends And Fittings Friction equipment measures pressure drops at various flow rates when water flow through different pipe bends, and fittings. A water manometer with a vent valve and a hand air pump is connected to these tappings.
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Autoclavable (121°C, 30 minutes)
96% microdenier nylon and 4% Lycra
BCR Cleanroom socks are over 1,000 times cleaner than regular cotton/polyester socks
One size fits all
Extremely soft and comfortable
White.
99% Continuous filament polyester, 1% spandex
Mid-calf length with elastic cuff for secure fit
Soft and comfortable
One size fits all
Laundered and packaged in an ISO Class 5 cleanroom
Color: White
10 pairs per pack
Advantages
Comfortable and durable for all day wear
A cost effective, clean and disposable alternative to operators own socks
Autoclavable (121°C, 30 minutes)
Bulk packaging available.
Cleanroom laundry process reduces fiber and particle shedding and minimizes bioburden
Over 1000 times cleaner than regular polyester/cotton socks.
Technology
Cleanroom laundered and packaged
Constructed with continuous filament yarns to reduce fiber and particle shedding.
The apparatus is designed to be used on the working surface of the basic Air Flow Bench and connected by convoluted hose to the 70 mm dia. blown experiment duct on the fan outlet. However, it may be used as a standalone unit by connecting it to any suitable fan with an air supply of approximately 500 litre/sec. at 600 Pascals and by utilising appropriate manometers. A pitot static tube is fitted at the outlet end of the venturi duct and this can be traversed longitudinally along the centre line to enable its measuring tip to be positioned at various points. The apparatus comprises an acrylic duct with the upper and lower surfaces in opaque material and the sides clear. The whole unit forms a 60 x 50 mm rectangular cross section converging to a 20 x 50 mm throat area then diverging back to 60 x 50 mm section at the exit plane. Measured positions are obtained against two scales positioned on opposite sides of the duct to avoid parallax errors. A plot of typical results which can be obtained is shown in the graph. The scales are marked in millimetres but are reversible to show imperial measurements.
Introduction:
In carrying out the experiment the student is able to verify Bernoullis Theorem which, in its wider form, states that: At any point in a tube through which a fluid is flowing, the sum of pressure energy, potential energy and kinetic energy is constant.
Bernoullis Apparatus is designed to demonstrate visually the interchange between static and dynamic pressure as air flows through a duct of variable cross sectional area.
The device has a pitot-static tube that can be moved axially along the duct to allow students to measure the local variations in total and static pressure due to the variation in duct cross section.
A convergent divergent duct section that connects to the Hilton Airflow System using a flexible coupling.
The measured pressure changes may be compared with the Bernoulli equation predictions. The device is designed for use with the optional multi-tube manometer.
An eleven tube static pressure manometer bank is attached to the convergent divergent duct. A dye injection system is provided which allows for a single filament of dye to be introduced into the entrance to the convergent section to enable laminar and turbulent flow regimes to be demonstrated. Bernoulli's Apparatus consists essentially of a two dimensional rectangular section convergent divergent duct designed to fit between Constant Head Inlet Tank and Variable Head Outlet Tank. The convergent divergent duct is symmetrical about the centre line with a flat horizontal upper surface into which the eleven static pressure tappings are drilled. The differential head across the test section can be varied from zero up to a maximum of 450 mm. The test section is manufactured from acrylic sheet. The height of the channel at entry and exit is 19.525 mm and the height at the throat is 6.35 mm. The static tappings are at a pitch of 25 mm distributed about the centre and therefore about the throat. The lower surface is at an angle of 4 29'. The width of the channel is 6.35 mm.
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Measurement of the total pressure and the static pressure in a steady flow
Investigation of the continuity equation and Bernoulli's principle
16 tube manometers for displaying the pressures
Accessory for the aerodynamics trainer.
Familiarisation with Bernoulli's principle
Axially movable Pitot tube for determining the total pressure at various points within the Venturi nozzle
Venturi nozzle with transparent front panel and measuring points for measuring the static pressures
Water supply using base module or via laboratory supply
6 tube manometers for displaying the static pressures
Flow rate determined by base module
Single tube manometer for displaying the total pressure.
The test section consists of a classical Venturi machined in clear acrylic. A series of wall tappings enable measurement of the static pressure distribution along the converging duct, while a total head tube is provided to traverse along the centre line of the test section.
The Venturi can be demonstrated as a means of flow measurement and the discharge coefficient can be determined.
The test section is arranged so that the characteristics of flow through both a converging and diverging section can be studied. Water is fed through a hose connector and is controlled by a flow regulator valve at the outlet of the test section.
