Features & Benefits

• Self-contained recirculating water tank: Ideal for flow visualization and mobile bed studies, providing a controlled and efficient learning environment.
• Durable construction: Made from glass-reinforced plastic with non-corroding materials, ensuring long-lasting use even in water-based experiments.
• Spacious working section: With dimensions of 2m (or 4m) x 610mm and a flow range of 0-3.5 liters/sec, it accommodates a wide variety of experiments.
• Versatile models and accessories: Comes with 15 models and accessories, plus a colored glass sheet for easy transition between mobile bed and flow visualization modes.
• Portable control console: Housed in a portable console with water-safe connectors and flexible cable, offering ease of use and setup for a vast array of experiments.

This setup provides flexibility, durability, and a comprehensive toolkit for fluid mechanics studies.

Mobile bed experiments

• Two-dimensional flow patterns by the Ahlborn technique

– Converging flow in a curved entry
– Diverging flow from a nozzle
– Flow around isolated bodies

Circular cylinder
Rectangular block
Tee shapes
Symmetrical aerofoil parallel to the flow
Symmetrical aerofoil at incidence
Diamond shape with and without suction

– Arrays of cylinders
– Free jets
– A turbulent jet
– A laminar jet
– Confined zones of separated flow
– Flow past a gate-slot
– Elongated tee and step
– Simulation of a hydraulic jump
– Protection for a spillway toe

• Velocity distribution in duct flow

– Flow in a smooth-walled pipe
– Flow past a rough boundary

• Hydraulic analogy to compressible flow

• Three-dimensional flow patterns by the Ahlborn technique

– Influence of normal forces on boundary layer flows

Decelerating flow near a corner
Boundary layer flow in a curved path

– Simulations of practical three-dimensional flow patterns

Bridge piers and piles
Spurs (or groynes) and wall discontinuities
Tee junctions in irrigation systems
Meandering rivers

• Characteristics of meandering water courses
• Experimental investigation of erosion and deposition
• Boundary layer suction demonstration
• Boundary layer flows

• Experiments with loose boundaries

– Bed movement near a circular cylinder
– Alleviation of erosion around a cylinder
– Bed movement near non-circular bridge piers
– Bed movement near groynes and projections
– Ripple formation in fine sand

• Hydraulic model studies in an Ahlborn tank

– Operation of a gated weir
– Cause of damage to an irrigation drop structure
– Curved flow in a channel with a bend
– Forces on moored ships
– Circulation in a lock

• Unsteady flow patterns

– Unsteady boundary layer growth of a cylinder
– Eddy generation of an oscillating point of separation

Flow patterns near a separation point

– Unsteady flows near stationary boundaries

Eddy shedding from a cylinder
Excitation of lateral standing waves in a flow channel

– Flow-induced vibration of boundaries

Vibration of cylinders
Lateral vibration of a box