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Design and manufacture of equipment for engineering education and research. Constantly evolving for the growing demands of the engineering education sector.


Flow Meter Demonstration Unit

Code: C9

The Armfield C9 Flow Meter Demonstration Unit is a self-contained facility for the demonstration of the important characteristics of 14 types of flow meter used in the measurement of water flow through pipes or open channels.

Computer Controlled Subsonic Wind Tunnel

Code: C15

Suitable for undergraduate training and project work, the Armfield C15 is a small benchtop wind tunnel with a transparent working section. A wide range of accessories are available, allowing the comprehensive study of subsonic aerodynamics.

Hydrogen Bubble Flow Visualisation System

Code: C16

The C16 facilitates the viewing of the complex flow patterns associated with water flowing past solid objects or boundaries. The system uses the 'hydrogen bubble technique' to clearly show changes in the direction of the water.

Multi-Purpose Teaching Flume

Code: C4MKII

The Armfield Multi-purpose Teaching Flume has been specifically designed to demonstrate the principles of fluid mechanics when applied to engineering structures in open channel flow.

Fluid Friction Measurements

Code: C6MKII

The Armfield C6MkII provides facilities for the detailed study of fluid friction head losses which occur when an incompressible fluid flows through pipes, fittings and flow metering devices. For use with the Armfield F1-10 Hydraulics bench.

Complete Fluid Mechanics Laboratory - F1-10

Code: F1

Based around the F1-10 Hydraulics Bench, this range of equipment has been extended and reinforced with an integrated range of hydrostatics teaching accessories and some new hydraulics products. Thus the complete curriculum can be covered.

Osborne Reynolds' Apparatus

Code: F5

A robust item of equipment designed to reproduce the classic experiments of Professor Osborne Reynolds.

Air Flow Studies

Code: F6

The Armfield Air Flow Studies Unit has been designed to demonstrate how to measure the important characteristics of industrial air-distribution systems. It also shows how certain basic principles of fluid mechanics are applied to analyse flow in ducts and jets.

Fluid Properties & Hydrostatics Bench

Code: F9092

The F9092 demonstrates the properties of fluids and their behaviour under hydrostatic conditions, enabling students to develop an understanding and knowledge of a wide range of fundamental principles before studying fluids in motion.

Subsonic Wind Tunnel

Code: C2

The Armfield C2 Subsonic Wind Tunnel provides a comprehensive facility for the study of subsonic aerodynamics. The performance of the tunnel and its instrumentation also make it suitable for simple research projects.

Laminar Flow Table

Code: C10

The Armfield Laminar Flow Table has been designed to simulate ideal fluid flow and give clear visualisation of the flow patterns created using water as the working fluid. This enables a comprehensive investigation into the principles of potential flow and enables modelling of appropriate physical systems.

Multi-Pump Test Rig

Code: C3MKII

The C3MkII has been designed to demonstrate the operating characteristics (headflow curves and efficiency) of a series of different types of pumps, each having a broadly similar input power.

Pipe Surge and Water Hammer Apparatus

Code: C7MKII

The C7MKII demonstrates pipe surge and water hammer, phenomena which occur when fluid flowing in a pipe is accelerated or decelerated. As associated pressure transients can damage pipework, systems must be designed to avoid or withstand them.

Pipe Network Apparatus

Code: C11MKII

The C11MkII Pipe Network Apparatus is designed to help students understand the behaviour of pipe networks and predict flow and pressure distributions – essential to the design of systems for the transportation of fluids.

Compressible Flow Unit

Code: C1MkIII

A versatile apparatus, based around a variable-speed air compressor, designed to teach the concepts of compressible flow. The basic unit contains everything required to demonstrate the fundamental principles, but an accessory (C1-MkIII-30) is available containing a number of interchangeable test sections to give a wider knowledge and understanding to the student.

A further accessory (C1-MkIII-35) allows full compressor performance and characterisation tests to be carried out.

Precision Pressure Gauge Calibrator

Code: F4

Deadweight tester for the accurate calibration of pressure gauges, pressure transducers etc. Calibrates gauges 1-1,200 bar range to ±0.025% of reading

Particle Drag Coefficients

Code: F12

The F12 has been designed to introduce students to the fundamental characteristics of the behaviour of particle/fluid systems, in particular the relationship between the drag coefficients of falling particles and their Reynolds' number value.

Dead Weight Pressure Gauge Calibrator

Code: F1-11

This calibrator functions on the same principle adopted in calibrating industrial pressure gauges.

Hydrostatic Pressure

Code: F1-12

The Hydrostatic Pressure accessory has been designed to determine the static thrust exerted by a fluid on a submerged surface and enables comparison of the measured magnitude and position of this force with simple theory.

Flow Over Weirs

Code: F1-13

Two different weir plates are provided enabling familiarisation and comparison with theory.

Basic Metacentric Height

Code: F1-14

This equipment enables a thorough investigation of the factors affecting the stability of a floating body.

Bernoulli's Theorem Demonstration

Code: F1-15

This accessory demonstrates the application of Bernoulli’s Theorem and circumstances where it does not apply.

Impact of a Jet

Code: F1-16

This equipment enables the force developed by a jet of water impinging upon a stationary object to be measured.

Orifice and Free Jet Flow

Code: F1-17

This equipment permits calibration of two orifices of differing diameter and enables the trajectory of the jet to be plotted.

Energy Losses in Pipes

Code: F1-18

This equipment enables 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.

Flow Channels

Code: F1-19

The Flow Channel introduces students to the characteristics of flow in an open channel at an elementary level.

Osborne Reynolds' Demonstration

Code: F1-20

This item is intended to reproduce the classic experiments conducted by Professor Osborne Reynolds concerning the nature of laminar and turbulent flow.

Flow Meter Demonstration

Code: F1-21

This accessory is designed to introduce students to three basic types of flow meter.

Energy Losses in Bends and Fittings

Code: F1-22

This accessory permits losses in different bends, a sudden contraction, sudden enlargement and a typical control valve to be demonstrated.

Free and Forced Vortex

Code: F1-23

This equipment is designed to produce and measure the characteristics of free and forced vortices.

Hydraulic Ram

Code: F1-24

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.

Demonstration Pelton Turbine

Code: F1-25

The Demonstration Pelton Turbine provides a simple low-cost introduction to turbine performance.

Series/Parallel Pumps

Code: F1-26

The introduction of a second pump to the Hydraulic Bench system enables the study of two pump performance, both in series and parallel operation.

Centrifugal Pump Characteristics

Code: F1-27

This accessory offers similar features to the F1-26, but with enhanced capabilities provided by the inclusion of a variable-speed pump with inverter drive rather than a fixed-speed pump.

Cavitation Demonstration

Code: F1-28

This accessory visually, audibly and numerically demonstrates the phenomenon of cavitation and its association with the vapour pressure of a liquid.

Fluid Statics and Manometry

Code: F1-29

This apparatus provides an introduction to the behaviour of liquids under hydrostatic conditions (fluid at rest) and the application of these principles to pressure measurement using manometers.

Fluid Properties Apparatus

Code: F1-30

This apparatus provides an introduction to the fundamental properties of liquids that affect their behaviour in practical applications.

Pascal's Apparatus

Code: F1-31

The Pascal’s Apparatus provides a simple demonstration that the pressure in an incompressible fluid varies with depth and does not depend on the shape of the container.

Demonstration Francis Turbine

Code: F1-32

This demonstration turbine provides a simple low-cost introduction to the Francis inward flow reaction turbine showing its construction, operation and performance.

Pitot Tube Demonstrator

Code: F1-33

The Armfield F1-33 is designed to demonstrate the operation and characteristics of a
Pitot-static tube that is used to determine fluid velocity by measuring the difference
between the Total head and the Static head of water flowing inside a pipe using a

Orifice Discharge

Code: F1-17a

The Orifice Discharge accessory enables full analysis of the flow through seven different orifices over a range of flow rates.

Armsoft Fluid Mechanics Software

Code: F1-301

Educational software, specifically developed for the Armfield Hydraulics Bench and associated accessories, offering a complete teaching package of coursework and laboratory investigation.

Ships Vibrations Test Model

Code: NA4

The NA4-10 is designed to enable students to investigate a simple model hull form for resonance phenomena, clearly demonstrating many of the principal phenomena associated with ship resonant vibration.

Large Angle Stability System

Code: NA8

The NA8-10 is designed for the study of ship hydrostatics and stability. A comprehensive manual includes information for a course of practical study in ship hydrostatics, flooding and stability and describes a number of experiments.

Hydraulic Flow Demonstrator

Code: S16

The S16 operates as an accessory to the F1-10 Hydraulics Bench, offering a highly visual demonstration of flow through both open channels and close conduits. Includes a unique elevating bed section, and models of various hydraulic structures.

Engineering Fundamentals Fluid Science teaching system

Code: FS-03

The Fluid Science Flow Meter Tray includes experiments used to demonstrate flow measurement and the relationship between velocity and pressure drop.

Engineering Fundamentals Fluid Science teaching system

Code: FS-SU

The Fluid Science range is an innovative suite of products designed to enable student to gain an understanding of the fundamentals of Fluid Mechanics and Thermo Fluids by the process of learning via hands-on experimentation.