Mechanics of Fluids

This is an open, continuously operating supersonic wind tunnel to investigate pressure distribution along a convergent-divergent nozzle, pressure losses, demonstration of the boundary layers Schlieren method, observation of flow patterns around the aerofoils and much more. Data Sheet PDF

This is a self-contained facility comprising the tunnel with a three-component balance system (lift, drag and pitching moment) and an air speed indicator. The unit enables students to investigate the pressure distributions around and the forces experienced by aerofoils, cylinders and other models and also to study boundary layers. Data Sheet PDF DESCRIPTION Optional accessories: […]

This has been designed to demonstrate the capability of a centrifugal fan unit in accordance with BS848. It may also be used as the base unit for a series of additional experiments involving air flow in pipes, heat transfer, aerodynamics and compressible flow studies. Data Sheet PDF

This apparatus demonstrates the general behaviour of a jet of air emitted from a circular pipe into free surroundings and helps to investigate air jet velocity at various distances from the emission point in order to determine both velocity and momentum profiles. Data Sheet PDF

This equipment produces smoke filaments of adequate density to enable flow patterns around various objects to be demonstrated. Data Sheet PDF

This experiment is used to determine the thickness of the ‘boundary layer’ where fluid flow meets a stationary surface and investigate the velocity profile within this layer. Data Sheet PDF

This is a unique system employing vertical and horizontal balance beams to provide independent measurements of lift and drag forces. Data Sheet PDF

This is designed for use with either the Cussons Air Flow Bench or P3240 Fan Test Stand and enables students to investigate pressure distributions around cylinder, aerofoil and other models. Lift and drag forces acting upon models may also be determined with P3231. Data acquisition is also available for this equipment. Data Sheet PDF

The units have been developed to study the characteristics of Axial and Centrifugal fans enabling a wide range of experimentation capabilities related with flow velocity profile in the pipe aspiration, difference between static pressure, dynamic and total, characteristic of axial and centrifugal curves or axial and centrifugal fan spin. Speed is displayed digitally and a […]

To gain a practical appreciation of various topics related to air flow in pipes. Data Sheet PDF

To investigate the pressure distribution along the inner and outer walls of a bend in ductwork of rectangular cross-section. Data Sheet PDF

To visually demonstrate the interchange between static and dynamic pressure as air flows through a duct of variable cross sectional area Data Sheet PDF

To introduce the student to the study of air flow measurement using various types of measuring devices based upon the specifications given in BS848 and BS1042. Data Sheet PDF

The P3200 Air Flow Bench consists of a welded steel frame mounted on castors and provides two work surfaces for experiments and integral storage space. A tangential fan (i.e. fitted with a narrow chord centrifugal impellor), directly driven from a single phase induction motor, provides the necessary air flow for experiments. The fan is capable […]

Detailed investigations on both rotodynamic and positive displacement pumps may be performed on this multipurpose test bench which is designed to be self-contained requiring only a single phase electrical supply. Following pumps available as: Data Sheet PDF DESCRIPTION Consists of: P6361 Positive Displacement Gear Pump P6362 Positive Displacement Piston Pump P6363 Rotodynamic Centrifugal Pump P6364 […]

This is a self-contained experiment designed to enable students to study the basic characteristics of the Francis Turbine. It demonstrates the turbine characteristics (torque, power and efficiency) at different conditions and pressure, torque and flow rate are measured and indicated. Data Sheet PDF

This apparatus enables students to conduct a range of experiments on a system of interconnecting series and parallel pipe networks and fluid distribution systems. The unit enables students to obtain a full understanding of the factors affecting flow distribution and the behaviour of pipe network systems. Data Sheet PDF

This relatively compact unit enables students to investigate the full range of forms that arise in a mobile bed as the flow rate and/or slope are increased. The movement of sediment around structures may be examined for scouring and blockage etc. Data Sheet PDF

This self-contained unit enables students to investigate a range of hydrological phenomena within a compact indoor laboratory facility. It allows the study of basin hydrology cycles; flood and run off hydrographs; effects on civil constructions (bridges and dams); interaction of adjacent wells and elementary fluvial processes such as erosion on hillsides and river meander. Data […]

This unit enables students to investigate the fundamental concepts of soil permeability within a compact indoor laboratory facility to solve problems such as the seepage of water under dams, the abstraction of water from wells and the hydrostatic forces exerted on bridge foundations in the real world. Data Sheet PDF

This equipment comprises two stainless steel pipes to study water hammer and surge which is a common phenomenon. This apparatus is provided with software oscilloscope facility for display on user supplied PC. Data Sheet PDF

This is a self-contained bench top unit comprising a high-walled flow channel incorporating a detachable glass front panel, light source, inlet tank with removable flow straightener, level control sluice gate, outlet tank, electrically driven circulating pump, interconnecting pipework plus flow control and drain valves. Data Sheet PDF

This two dimensional potential flow apparatus is based upon the well-known Hele Shaw experimental method. It provides a parallel laminar water flow field to allow study of low Reynolds number flow patterns around submerged models representing cylinders, aerofoils, bluff bodies, knife edge weirs and through passages such as valve bodies and nozzles etc. Data Sheet […]

This apparatus can be used to investigate the flow of water along an open channel and to visualise the flow around objects in its path through the injection of ink. It includes triangular hump section and an undershot weir and demonstration of approximate ‘Specific energy/Depth’ relationships. Data Sheet PDF

Two types of larger flow channel are offered for flexible semi-custom experimental configurations. Either option may be used as a low speed circulating water channel for sedimentation work, at higher flow rates for hydrodynamics work or with wave and wind attachments for coastal engineering studies. The channels come in the following sizes and are constructed […]

These 2.5m and 5m units provide channels with adjustable slope and transparent acrylic sides for full visibility of the flow characteristics. Test models plus an inclinometer and surface profile measuring instrument are used to investigate the flow of water along an open channel and to verify the Chézy equation and Mannings friction factor. Additional experimental […]

This apparatus enables students to investigate flow through smooth and roughened pipes under laminar or turbulent flow conditions and also flow through fittings and valves. Various methods of flow measurement are covered including the variable area flowmeter (rotameter), venturi, orifice plate and pitot static tube. Data Sheet PDF DESCRIPTION Accessories: P5161 Water Recirculation Unit P6100 […]

This unit incorporates two pumps which enables investigations of series and parallel operation of identical pumps running at the same or different speeds. Data Sheet PDF

This Osborne Reynolds experiment may be used to investigate laminar/streamline flow, turbulent flow and the transition between these two regimes by observation of an injected dye line. It may also be used to determine the upper and lower Critical Velocities and Reynolds Number. Data Sheet PDF

This compact set of hydrostatics apparatus enables students to investigate the fundamental properties of non-moving fluids. P6244 is a reduced version of the apparatus supplied with Cussons’ full size P6242 Hydrostatics Bench. Data Sheet PDF

As an independent and self-contained unit, the Hydrostatics Bench enables the students to understand the fundamental properties of non-moving fluids. Experimental coverage includes density and relative density; variation of pressure with head; Hare’s Tube; Pascal’s Law; viscosity; capillarity; surface tension; Archimedes Principle; use of vernier level gauge and the hydraulic press. Data Sheet PDF

Cussons offers three related experiments mountable on the Hydraulic Bench: Data Sheet PDF DESCRIPTION Consists of P6234 Calibration of Pressure Gauge P6235 Metacentric Height Apparatus P6236 Alternative Hulls P6237 Centre of Pressure Apparatus (Hydrostatic pressure)

This apparatus can be used on the Hydraulic Bench or used as free-standing apparatus in conjunction with a low pressure water supply. The static head at various points in the flow path is measured enabling students to analyse the behaviour of water flowing through a sudden enlargement, transparent venturi meter, an orifice plate and a […]

The creation of vortices is a common engineering and natural phenomenon worthy of study. This apparatus may be used to plot the shape of free/forced vortices by measurement of surface profile co-ordinates. Data Sheet PDF

This apparatus enables experiments on the reaction of a jet of water upon vanes of various forms (fixed vane, a cone shape or a hemispherical) to be carried out and demonstrates the relationship between the forces exerted on the model and the rate of change of momentum of the jet stream Data Sheet PDF

A hydraulic ram helps to illustrate the principal by which water may be obtained from low lying water sources when no electrical supply is available to power a pump. Data Sheet PDF

This experiment demonstrates the principles of conservation of mass and conservation of energy and may also be used to examine the onset of turbulence in an accelerating stream of water.   Data Sheet PDF

These four different experiments in comparative flow measurement use various techniques operating on the principle of head loss, impulse or velocity: Data Sheet PDF DESCRIPTION P6227 Venturi Meter P6229 Turbine Meter P6228 Orifice Plate P6230 Pitot Static Tube

In open channels weirs are commonly used to either regulate or to measure the volumetric flow rate. Cussons offers the following experiments (with multiple weir plates) which may be mounted on the Hydraulic Bench: Data Sheet PDF DESCRIPTION Consists of P6225 Basic Weirs P6226 Advanced Weirs

Study of liquid flow through an orifice illustrates the need for a semi-empirical approach. Cussons offers two related experiments – each with multiple orifices – which may be mounted on the Hydraulic Bench: Data Sheet PDF DESCRIPTION Consists of P6223 Basic Orifices P6224 Advanced Orifices

This range of turbines provides experiments to study reaction, impulse & axial turbines. These can be conveniently mounted on the Hydraulic Bench. The experiments are performed by pumping water through the turbines with a variable flow rate and using a drum brake system with spring force balance.   Data Sheet PDF

  The flow of fluids in closed conduits or pipes is a major topic in mechanical, civil and chemical engineering and is of interest in areas of biology (e.g. blood flow) and medicine (e.g. drip delivery). Cussons offers three experiments, mountable on the Hydraulic Bench: Data Sheet PDF DESCRIPTION Consists of P6220 – Laminar Flow […]

This compact and cost effective unit provides experimental capabilities to study the cavitation effect including observation of the relationship between cavitation and temperature and observation of the relationships between discharge, velocity and pressure. Data Sheet PDF

The Cussons Hydraulic Bench provides the basic services for pumping and volumetric measurement of water supply. Various optional modules are available to form a comprehensive laboratory facility which enables a detailed Mechanics of Fluids Experimental Course to be followed. The equipment is designed to provide a clear visual appreciation of hydraulic principles and has been […]