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And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Lab Manual Of Armfield. To get started finding Lab Manual Of Armfield, you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented. I get my most wanted eBook Many thanks If there is a survey it only takes 5 minutes, try any survey which works for you. People are at the core of our company. We see our strength in trust, diversity and progress. Every Armfield employee’s contribution, no matter how big or small, forges the success of our organisation with the customer placed at the very heart of our business. A primary strategy is superior customer satisfaction. Armfield constantly analyses market, product and curriculum needs around the world to develop a full range of products for education and industrial research. We are a leader in Fluid Dynamics, Chemical, Civil, Mechanical Engineering, Food and Pharmaceutical Processing. Brunei Darussalam Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo, The Dem. Republic Of Cook Islands Costa Rica Cote d'Ivoire Croatia Cuba Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Terr. Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States US Minor Outlying Is. Western Sahara Yemen Zambia Zimbabwe Serbia Sint Maarten Montenegro Yugoslavia South Georgia and the South Sandwich Islands A representative will get in touch with you shortly.
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The comprehensive range of equipment can covers all aspects of the teaching of hydraulics in a safe, visual and easy-to-understand way, backed up by first-class teaching materials. This range of equipment has now been extended and reinforced with an integrated range of hydrostatics teaching accessories together with some new hydraulics products. Thus the complete curriculum can be covered with this attractive range of products. The F1-10 is designed as a portable and self-contained service module for the entire range of F1 accessories and a few other accessories as well such as C6MKII and S16. Each accessory is supplied as a complete piece of equipment, needing no additional service items other than the Hydraulics Bench. When coupled to the bench they are immediately ready for use. This principle is used in the hydraulic ram to pump water. The unit is designed for use with the Armfield F1-10 Hydraulics bench. Includes a unique elevating bed section and models of various hydraulic structures. Take your next career step with us. This document must not be used for any purpose other than that for which it is supplied and its contents must not be reproduced, modified, adapted, published, translated or disclosed to any third party, in whole or in part, without the prior written permission of Armfield Limited. Each accessory to the F1-10 is supplied as a complete piece of equipment needing no additional service items other than the Hydraulics Bench. If required Armfield can supply a typical set of standard laboratory safety rules. Your F1-10 Hydraulics Bench has been designed to be safe in use, when installed, operated and maintained in accordance with the instructions in this manual. Overview The F1-10 Hydraulics Bench is designed as a portable and self-contained service module for the range of accessories that are listed later. The bench is constructed from lightweight corrosion resistant plastic and is mounted on wheels for mobility.
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Installation Guide The Hydraulics Bench is supplied fully assembled and only requires filling with water and connection to an electrical supply for it to be operational. When the bench has been encased in a wooden crate, for protection during shipping, remove the wooden crate taking care not to damage the bench inside. Release the castor brakes and move the bench to the required operating position within reach of the electricity supply. The Armfield software will be installed onto the hard drive of the computer and a program group will be set up within Programs in the Start menu. The Armfield Software is a powerful Educational and Data Logging tool with a wide range of features. Some of the major features are highlighted below, to assist users, but full details on the software and how to use it are provided in the presentations and Help text incorporated in the Software. The lower row of icons (standard for all Armfield Software) allows a particular function to be selected. To aid recognition, pop-up text names appear when the cursor is placed over the icon. The table also contains columns for the calculated values. New sheets can be added to the spreadsheet for different data runs by clicking the icon from the main toolbar. Powerful and flexible graph plotting tools are available in the software, allowing the user full choice over what is displayed, including dual y axes, points or lines, displaying data from different runs, etc. To select a series for plotting, click the appropriate series in the left pane so that it is highlighted then click the appropriate right-facing arrow to move the series into one of the windows in the right hand pane. Operation outside of these conditions may result reduced performance, damage to the equipment or hazard to the operator. Regular maintenance of the equipment is the responsibility of the end user and must be performed by qualified personnel who understand the operation of the equipment. To browse Academia.
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edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. You can download the paper by clicking the button above. Report this Document Download now Save Save 333 Manual 11 T2 Armfield Manual For Later 0 ratings 0 found this document useful (0 votes) 73 views 45 pages 333 Manual 11 T2 Armfield Manual Uploaded by Syamim Asyraf Description: manual Full description Save Save 333 Manual 11 T2 Armfield Manual For Later 0 0 found this document useful, Mark this document as useful 0 0 found this document not useful, Mark this document as not useful Embed Share Print Download now Jump to Page You are on page 1 of 45 Search inside document Davide Cali Confess: A Novel Colleen Hoover Love You Forever Robert N. Munsch Bad Kitty Gets a Bath Nick Bruel It: A Novel Stephen King The 5 Love Languages: The Secret to Love that Lasts Gary Chapman Orphan X Gregg Hurwitz Big Nate: Revenge of the Cream Puffs Lincoln Peirce The Keeper of Lost Things: A Novel Ruth Hogan Exploit Loophole 609 to Boost Your Credit Score and Remove All Negative Items From Your Credit Report Robert Pemberton Spy School Secret Service Stuart Gibbs A Court of Wings and Ruin Sarah J. Maas Caraval Stephanie Garber Nothing to See Here Kevin Wilson This Tender Land: A Novel William Kent Krueger Butterface (A Hot Romantic Comedy) Avery Flynn The Shadows: A Novel Alex North Rage Bob Woodward Footer Menu Back To Top About About Scribd Press Our blog Join our team.
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Browse Books Site Directory Site Language: English Change Language English Change Language Quick navigation Home Books Audiobooks Documents, active Collapse section Rate Useful 0 0 found this document useful, Mark this document as useful Not useful 0 0 found this document not useful, Mark this document as not useful Collapse section Share Share on Facebook, opens a new window Facebook Share on Twitter, opens a new window Twitter Share on LinkedIn, opens a new window LinkedIn Copy Link to clipboard Copy Link Share with Email, opens mail client Email. FB-Picture FB-Picture Congratulations! You can submit your contributions on-line via the conference management system. All necessary instructions can be found on the PC21 homepage. Annual Reviews in Control (50), 190-232, 2020. Michal Kvasnica delivered a plenary lecture at prestigious University of California, Berkeley. His online lecture was entitled: Towards Fixed-Complexity Explicit Model Predictive Control. FB-Status Miroslav Fikar awarded the outstanding students. Among them, IAM students: Michaela Horvathova, Lenka Galcikova, Lucia Mikova, and Michaela Lehotova. Congratulations! FB-Picture The submission deadline is December 15, 2020. 2nd Call4Papers Jan Drgona, Javier Arroyo, Iago Cupeiro Figueroa, David Blum, Krzysztof Arendt, Donghun Kim, Enric Perarnau Olle, Juraj Oravec, Michael Wetter, Draguna L. Vrabie, Lieve Helsen: All you need to know about model predictive control for buildings. Annual Reviews in Control, 2020. Click here to let us know! Calculation of the hydrostatic force and the location of the center of pressure are fundamental subjects in fluid mechanics. The center of pressure is a point on the immersed surface at which the resultant hydrostatic pressure force acts. Hydrostatic force and its line of action is also required for the design of many parts of hydraulic equipment.
The forces which create these moments are the weight applied to the balance arm and the hydrostatic force on the vertical surface. The quadrant is mounted on a balance arm that pivots on knife edges. The knife edges coincide with the center of the arc of the quadrant; therefore, the only hydrostatic force acting on the vertical surface of the quadrant creates moment about the pivot point. This moment can be counterbalanced by adding weight to the weight hanger, which is located at the left end of the balance arm, at a fixed distance from the pivot. Since the line of actions of hydrostatic forces applied on the curved surfaces passes through the pivot point, the forces have no effect on the moment. The hydrostatic force and its line of action (center of pressure) can be determined for different water depths, with the quadrant’s vertical face either partially or fully submerged. Water is admitted to the top of the tank by a flexible tube and may be drained through a cock in the side of the tank.The resultant hydrostatic force on the face can, therefore, be calculated from the value of the balance weight and the depth of the water. By use of the parallel axes theorem: By substitution of the derived hydrostatic force, F from Equation (3a and b), we have: You can view it online here: You can view it online here: This can be judged by aligning the base of the balance arm with the top or bottom of the central marking on the balance rest. If the quadrant is partially submerged, record the reading in the partially submerged portion of the Raw Data Table. When the quadrant is fully submerged, record the readings in the fully submerged part of the Raw Data Table. Your report should include the following: Calculate and present value for this graph, and Mass (y-axis) vs depth of immersion (x-axis) on a log-log scale graph. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. Legal. Have questions or comments. Download Fluid Mechanic's lab 02-01.
The bench is constructed from lightweight corrosion resistant plastic and is mounted on wheels for mobility. The bench top incorporates an open channel with side channels to support the accessory on test. Volumetric measurement is integral and has been chosen in preference to other methods of flow measurement for its ease of use, accuracy and safety in use (no heavy weights for students to drop). The volumetric measuring tank is stepped to accommodate low or high flow rates. A stilling baffle reduces turbulence and a remote sight tube with scale gives an instantaneous indication of water level. A measuring cylinder is included in the supply for measurement of very small flow rates. A dump valve in the base of the volumetric tank is operated by a remote actuator. Opening the dump valve returns the measured volume of water to the sump in the base of the bench for recycling. An overflow in the volumetric tank avoids flooding.A Bourdon gauge is supplied for calibration. The weights supplied are added to the upper end of the piston rod which is rotated to minimise friction effects. The gauge is thus subject to known pressures which may be compared with the gauge readings and an error curve drawn. TECHNICAL DETAILS Pressure gauge. An easy-to-use quick release pipe connector situated in the bench top allows for the rapid exchange of accessories without the need for hand tools. TECHNICAL DETAILS Pump:.Two weir plates of different shape are provided allowing familiarisation and comparison with theory.The knife edges coincide with the centre of arc of the quadrant. Thus, of the hydrostatic forces acting on the quadrant when immersed, only the force on the rectangular end face gives rise to a moment about the knife edges. The balance arm incorporates a balance pan for the weights supplied and an adjustable counterbalance. This assembly is mounted on top of an acrylic tank which may be levelled by adjusting screwed feet.
Correct alignment is indicated on a circular spirit level mounted on the base of the tank. An indicator attached to the side of the tank shows when the balance arm is horizontal. Water is admitted to the top of the tank by a flexible tube and may be drained through a cock in the side of the tank. The water level is indicated on a scale on the side of the quadrant.The inlet nozzle and stilling baffle in combination promote smooth flow conditions in the channel. (iii) A Vernier hook and point gauge is mounted on an instrument carrier which is located on the side channels of the moulded top. The carrier may be moved along the channels to the required measurement position. (iv) The rectangular notch weir or (v) vee notch weir to be tested is clamped to the weir carrier in the channel by thumb nuts. The weir plates incorporate captive studs to aid assembly. TECHNICAL DETAILS Overall dimensions of weir plates:.The Bernoulli's Theorem Demonstration accessory illustrates those circumstances to which Bernoulli's Theorem may be applied. Also, separately, why in other circumstances the theorem gives an inadequate description of the fluid behaviour.The equipment consists of a plastic rectangular floating pontoon, the centre of gravity of which can be varied by an adjustable weight which slides and can be clamped in any position on a vertical mast. A single plumb-bob is suspended from the mast which indicates the angle of heel on a calibrated scale. A weight with lateral adjustment allows the degree of heel to be varied and hence the stability of the pontoon determined. The equipment does not require a separate water tank as it may be used on the Hydraulics Bench by filling the volumetric tank. TECHNICAL DETAILS Max.A series of wall tappings allow 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.
These tappings are connected to a manometer bank incorporating a manifold with air bleed valve. Pressurisation of the manometers is facilitated by a hand pump. 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. The Venturi can be demonstrated as a means of flow measurement and the discharge coefficient can be determined. This equipment permits calibration of two orifices of differing diameter.Water is fed through a nozzle and discharged vertically to strike a target carried on a stem which extends through the cover. A weight carrier is mounted on the upper end of the stem. The dead weight of the moving parts is counter-balanced by a compression spring. The vertical force exerted on the target plate is measured by adding the weights supplied to the weight pan until the mark on the weight pan corresponds with the level gauge. A total of four targets are provided: a flat plate, a 120o cone and a hemispherical cup. ? establishing the coefficient of velocity for a small orifice.The orifice is installed at the base of this tank by means of a special wall fitting which provides a flush inside surface. The head is maintained at a constant value by an adjustable overflow and is indicated by a level scale. A jet trajectory tracing device allows the path followed by the jet to be ascertained. Adjustable feet permit levelling. The associated pressure transients can be damaging to pipework or components and systems must be designed to avoid or withstand them. The equipment designed by Armfield clearly demonstrates the different effects resulting from gradual or instantaneous changes in fluid velocity (created by slow and fast valve closure). Effect of initial fluid velocity can also be investigated.
Pipe surge resulting from a gradual change in fluid velocity is clearly seen as fluctuating changes in head in a surge shaft. Water hammer resulting from a rapid change in fluid velocity is clearly seen as large changes in pressure monitored using a pair of transducers and indicated using an oscilloscope.A service module provides the water supply to the head tank and also incorporates a volumetric tank for flow rate measurement, sump tank, circulating pump and flow control valve. Water enters the two test pipes via the constant head tank and discharges into the volumetric tank. A dump valve in the volumetric tank returns the water to the sump tank. The pipe surge test section incorporates a clear acrylic surge shaft to enable visualisation of its oscillatory characteristics to be demonstrated. A metric scale on the shaft permits the height of the oscillations to be measured. The test pipe terminates with a lever operated gate valve and separate flow control valve. The water hammer test section uses a unique fast acting valve specifically designed by Armfield. A moving shuttle within the valve travels with the water flow, thereby enabling a very high closure rate to be obtained. The valve can easily be operated simply by pressing the valve release button, and a spring loaded plunger re-sets it for further use. Straight pipes are used, rather than a coiled arrangement, to reduce the distortion of the pressure wave. Pressure transducers mounted at the fast acting valve itself and at a point along the test pipe provide analogue outputs which are fed into a signal conditioning module. The corresponding output voltage from the signal conditioning module can then be fed into a dual trace oscilloscope (C7-11A). A Centronics printer output is available from the oscilloscope. This allows the stored display to be transferred onto a suitable printer (C7-12) to provide a hard copy of the transient.
The pipe surge (C7-10) part of the apparatus may be ordered separately, with the water hammer (C7-11) being added at a later stage if required. A self-contained unit designed to demonstrate the phenomena of pipe surge and water hammer. ? The unit includes two separate test pipes, service module and constant head tank. ? Two pressure transducers provide electrical signals for connection to a dual trace storage oscilloscope with an integral printer output. ? Straight pipes are used, rather than a coiled arrangement, to reduce distortion of the pressure wave. This equipment allows the pressure drop of water passing through a hydraulically smooth circular pipe to be measured in detail and the pipe friction equation to be verified.A traverse assembly is provided which enables a pitot tube to be positioned anywhere in the jet. Attached to this pitot tube is a sharp blade which can be traversed across the jet to accurately measure the jet diameter and the vena contracta diameter and so determine the contraction coefficient. The pitot head and the total head across the orifice are shown on manometer tubes adjacent to the tank. In addition to the standard orifice, supply includes four additional orifices. These are supplied in an attractive storage case. A label inside the lid gives dimensional details of each orifice. TECHNICAL DETAILS Standard orifice:.These sources provide high or low flow rates which may be controlled by a valve at the discharge end of the test pipe. Head loss between two tapping points in the test pipe is measured using two manometers, a water over mercury manometer for large pressure differentials and a press-urised water manometer for small pressure differentials. Water discharging from the head tank is returned to the sump tank of the Hydraulics Bench. Mercury not supplied. This item is intended to reproduce the classic experiments conducted by Professor Osborne Reynolds concerning the nature of laminar and turbulent flow.
Water is fed to the streamlined channel entry via a stilling tank to reduce turbulence. Water discharging from the channel is collected in the volumetric tank of the Hydraulics Bench and returned to the sump for recirculation. A dye injection system incorporated at the inlet to the channel permits flow visualisation in conjunction with a graticule on the rear face of the channel. Models supplied with the channel include broad and sharp crested weirs, large and small diameter cylinders and symmetrical and asymmetrical aerofoils which, in conjunction with the inlet and discharge weirs, permit a varied range of open channel and flow visualisation demonstrations. Adjustable feet permit levelling TECHNICAL DETAILS Dye injection needles. Dye reservoir capacity. Width of channel:. Length of channel:.A header tank containing stilling media provides a constant head of water through a bellmouth entry to the flow visualisation pipe. Flow through this pipe is regulated using a control valve at the discharge end. The flow rate of water through the pipe can be measured using the volumetric tank (or measuring cylinder) of the Hydraulics Bench. Velocity of the water can therefore be determined to allow calculation of Reynolds' number. The equipment uses a similar dye injection technique to that of Reynolds' original apparatus to enable observation of flow conditions. This accessory permits losses in different bends, a sudden contraction, sudden enlargement and a typical control valve to be demonstrated. A flow control valve permits var-iation of the flow rate through the circuit. Pressure tappings are incorporated so that the head loss characteristics of each flow meter may be measured. These tappings are connected to an eight tube manometer bank incorporating a manifold with air bleed valve. The circuit and manometer are attached to a support framework which stands on the working top of the Hydraulics Bench.
The bench is used as the source of water supply and for calibrating volumetrically each flow meter. The equipment is mounted on a free-standing framework which supports the test pipework and instrumentation. The following typical pipe fittings are incorporated for study: mitre bend, 900 elbow, sweep bends (large and small radius), sudden contraction and sudden enlargement. All are instrumented with upstream and downstream pressure tappings. These tappings are connected to a bank of twelve water manometer tubes, mounted on the framework. Pressurisation of the manometers is facilititated by a hand pump. A gate valve is used to control the flow rate. A separate gate valve is instrumented with upstream and downstream pressure tappings which are connected to a differential gauge on the edge of the framework. The unit stands on the working top of the Hydraulics Bench which is also used as the source of water supply. If flowing water is suddenly brought to rest in a long pipe, a phenomena known as water hammer occurs, wherein a pressure wave travels along the pipe. This principle is used in the hydraulic ram to pump water. The free vortex is generated by water discharging through an interchangeable orifice in the base of the cylinder and the resulting profile is measured using a combined caliper and depth scale. The forced vortex is induced by a paddle in the base of the cylinder which is rotated by jets of water. The profile of the forced vortex is determined using a series of depth gauges. Velocity at any point in the free or forced vortices may be measured using the appropriate pitot tube supplied. Dye crystals (not supplied ) may be used to demonstrate secondary flow at the base of the free vortex.The weights supplied may be applied to the pulse valve to change the closing pressure and hence the operating characteristics. The introduction of a second pump to the Hydraulic Bench system allows the study of two pump performance, both in series and parallel operation.
Mechanical output from the turbine is absorbed using a simple friction dynamometer. Pressure at the spear valve is indicated on a remote gauge. A non-contacting tachometer (not supplied) may be used to determine the speed of the Pelton wheel. Basic principles of the Pelton turbine may be demonstrated and, with appropriate measurements, power produced and efficiency may be determined.This auxiliary pump is intended to be used in conjunction with the basic Hydraulics Bench. The auxiliary pump is mounted on a support plinth which stands adjacent to the Hydraulics Bench primary pump. TECHNICAL DETAILS Speed range:. 0 to 2000 r.p.m. Brake power:. 10 Watts Pressure gauge range:. 0 to 25m H2O Force balance range:. 0 to 10N x 0.1N Number of Pelton buckets:. 16 Diameter of Pelton wheel:. 123mm TECHNICAL DETAILS Pump:.The pump is driven by an a.c. motor, the speed of which is varied by a compatible inverter drive. The motor speed, output voltage and motor current are easily monitored on the inverter display. A compound pressure gauge is mounted directly on the pump inlet and a pressure gauge is mounted directly on the pump outlet. When operated independently or in parallel with the bench service pump, the auxiliary pump draws its water direct from the sump tank on the Hydraulics Bench. When operated in series with the bench service pump, the auxiliary pump is connected to the bench supply outlet in the bed of the channel. A quick release connector incorporating a watertight valve permits operation of various other bench accessories when the flow control valve is closed.Capacities: high flow 40 litres, low flow 6 litres.
F4: Precision Pressure Gauge Calibrator F5: Osborne Reynolds' Demonstration F6: Air Flow Studies F9092: Fluid Properties and Hydrostatics Bench F10: Cavitation Demonstration F12: Particle Drag Coefficients Hydrogen Bubble Flow Visualisation System F14: C6MkII-10: Fluid Friction Apparatus TOXIC MATERIALS Due to international restrictions limiting the transport of toxic materials we do not include mercury in our supply. A Digital Pressure Meter: H12-8 is available as an alternative to Mercury manometers ask for data sheet H12: Manometers and Pressure Meter. Item 02-01-22 The Armfield Properties of Fluids and Hydrostatics Bench is designed to demonstrate the properties of fluids and their behaviour under hydrostatic conditions (fluid at rest). This allows students to develop an understanding and knowledge of a wide range of fundamental principles and techniques, before studying fluids in motion. INSTRUCTIONAL CAPABILITIES The provision of practical instruction exercises demonstrating the principles of fluid mechanics, in particular: Understanding the properties of fluids:.A variety of measuring devices is incorporated, either fastened to the back of the bench or freestanding. Water is stored in a polythene tank situated on the lower shelf of the bench. The water can be transferred by two positive displacement hand pumps either to an elevated open storage tank connected to a number of glass tubes for free surface studies, or to a plastic sink recessed into the working surface so that bench top experiments may be conducted without spillage. All excess water is returned to the storage tank via the sink drain. ? ? ? ? ? ? ? ? ? ? ?