Coanda Effect Demonstration Unit | FluidoSurge-X 364

The SCIENTICO FluidoSurge-X 364 is a laboratory demonstration unit for the Coanda effect, designed for use with the FluidoSurge-X 348 aerodynamics trainer. It uses a transparent Y-shaped channel with adjustable pivoting and sliding elements to illustrate wall-guided airflow and pneumatic logic switching. Students gain practical understanding of boundary layer entrainment, flow attachment to curved surfaces, and the amplification principle in pneumatic control elements. The unit is suited to fluid mechanics, aerodynamics, and pneumatics modules in undergraduate and postgraduate engineering programmes. SCIENTICO supplies this unit to engineering institutions and laboratory distributors internationally.


The FluidoSurge-X 364 is an experimental unit designed to demonstrate the Coanda effect in the context of pneumatic logic elements. Manufactured by SCIENTICO, it is intended for use with the FluidoSurge-X 348 aerodynamics trainer and is suited to fluid mechanics and aerodynamics laboratory programmes in engineering institutions. The unit provides a structured, hands-on approach to studying wall-guided fluid flow behaviour and flow switching principles.

Product Overview

The Coanda effect describes the tendency of a flowing fluid to adhere to and follow the curvature of a convex surface rather than continuing along its original path. This behaviour is widely applied in engineering disciplines — including lift augmentation in aerospace, airflow management in HVAC systems, and signal switching in pneumatic control logic.

The FluidoSurge-X 364 allows students to observe this effect directly within a Y-shaped channel that has two outlet paths. A lateral control jet of air is introduced into the channel to switch the primary airflow between the two outlets, replicating the operating principle of a pneumatic logic element. Because the control jet is weaker than the primary flow, the experiment also illustrates the amplification effect inherent in such elements.

The channel contour can be modified using the integrated pivoting and sliding elements, enabling students to study how changes in geometry affect the switchover behaviour. Transparent construction and precision scales support quantitative adjustment and observation.

Parameter Value
Nozzle Outlet Width 0 – 50 mm
Nozzle Outlet Length 100 mm
Pivoting Element Range 0° – 90°
Sliding Wedge Range 0 – 70 mm
Channel Configuration Y-shaped with two outlets
Scales Vertical, horizontal, and radial
Construction Transparent plate with adjustable elements
Mounting Quick-release fasteners onto FluidoSurge-X 348
Scope of Delivery 1 Experimental Unit, 1 Instructional Manual
Required Base Unit FluidoSurge-X 348 Aerodynamics Trainer

Key Features

  • Demonstrates the Coanda effect on a functional pneumatic logic element
  • Y-shaped transparent channel allows direct visual observation of airflow switching
  • Adjustable channel contours via pivoting elements (0°–90°) and sliding wedge (0–70 mm)
  • Vertical, horizontal, and radial scales for precise, repeatable element positioning
  • Control jet inlet enables study of the amplification effect in pneumatic systems
  • Attaches to the FluidoSurge-X 348 trainer via quick-release fasteners for fast setup
  • Includes instructional manual with guided experimental procedures

Applications

  • Undergraduate and postgraduate fluid mechanics laboratory programmes
  • Aerodynamics and pneumatics modules in mechanical and aerospace engineering
  • Demonstration of wall attachment and boundary layer entrainment principles
  • Study of pneumatic logic and fluidic control systems
  • Research and experimental work on flow switching and contour-dependent behaviour
  • Industrial training programmes covering pneumatic control fundamentals

Construction and System Design

The FluidoSurge-X 364 is built around a transparent plate that allows unobstructed observation of internal airflow. The Y-channel incorporates a lateral control jet inlet, two diverging outlets, and adjustable geometry components including a pivoting element and a vertical sliding wedge. Calibrated scales in three orientations — vertical, horizontal, and radial — enable precise, reproducible configuration of the channel geometry. The unit is designed to mount directly onto the FluidoSurge-X 348 aerodynamics trainer using quick-release fasteners, ensuring accurate alignment and stable operation without tools.

Export and Supply Capability

SCIENTICO manufactures and supplies the FluidoSurge-X 364 for engineering institutions and laboratory distributors internationally. The unit is packaged for safe transit and supplied with a complete instructional manual. Enquiries from international distributors, procurement departments, and institutional buyers are welcomed.

Q1: What is the Coanda effect and how does the FluidoSurge-X 364 demonstrate it?
The Coanda effect is the tendency of a fluid jet to adhere to a nearby curved or flat surface rather than continuing in a straight path. The FluidoSurge-X 364 demonstrates this by directing airflow through a Y-shaped channel where the geometry can be adjusted to observe how the flow attaches to and follows the channel walls.

Q2: What equipment is required to operate the FluidoSurge-X 364?
The FluidoSurge-X 364 is an accessory unit and requires the SCIENTICO FluidoSurge-X 348 aerodynamics trainer for operation. It mounts onto the base trainer using quick-release fasteners.

Q3: What experiments can be conducted with this unit?
The unit supports two principal experiments: investigation of wall-guided airflow as a demonstration of the Coanda effect, and familiarisation with the operating principle of pneumatic logic elements, including the amplification effect produced by a weaker control jet switching a stronger primary flow.

Q4: How are the channel contours adjusted on the FluidoSurge-X 364?
The channel geometry is modified using a pivoting element with a range of 0° to 90° and a sliding wedge with a travel range of 0 to 70 mm. Vertical, horizontal, and radial scales are provided on the transparent plate for accurate, repeatable positioning.

Q5: Is the FluidoSurge-X 364 suitable for international laboratory supply?
Yes. SCIENTICO manufactures and exports the FluidoSurge-X series to engineering institutions and authorised distributors internationally. The unit is supplied with an instructional manual and packaged for safe international transit.

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