Smoke Tunnel | FluidoSurge-X 388

The FluidoSurge-X 388 Smoke Tunnel is a vertical open wind tunnel with a variable-speed radial fan delivering 0 to 5 m/s airflow through a 180 mm x 100 mm x 240 mm transparent working section. A 23-filament smoke comb (7 mm spacing) injects non-toxic glycol-based smoke for streamline visualization. Low-turbulence flow is maintained via a stabilization chamber with flow straightener. Sound level is below 70 dB(A). Eleven standard models are included: aerofoil, sphere, disc, cylinder, semi-sphere, orifice plate, rectangular plate, hatch-back car, van, slotted plate, and ISA nozzle. Floor-standing on a mobile metal frame with castors.

The FluidoSurge-X 388 is a vertical open wind tunnel with smoke visualization, designed for demonstrating and investigating airflow around various models. A variable-speed radial fan generates vertical upward airflow through the working section, with non-toxic smoke injected via a comb for streamline visualization. Suitable for small group experiments and classroom demonstrations.


Product Overview

The FluidoSurge-X 388 is a floor-standing vertical smoke tunnel mounted on a mobile metal frame with castors. A variable-speed fan at the top draws air upward through the working section. A movable comb below the working section distributes smoke — produced by evaporating a glycol mixture in the fog generator — through 23 filaments at 7 mm spacing for uniform smoke injection. The transparent, removable working section (180 mm x 100 mm x 240 mm) has a front wall for model attachment and a black background for clear smoke trail visibility. Lamps on both sides of the working section enhance illumination. A stabilization chamber with flow straightener ensures low-turbulence flow. Fan speed controls are located on a control unit attached to the frame. Air velocity is adjustable from 0 to 5 m/s. Sound level is lower than 70 dB(A). Eleven standard models are included; aerofoil and guide vane profile angle of attack are adjustable with a scale for display.

Technical Specifications

Parameter Specification
Tunnel Orientation Vertical, upward airflow
Tunnel Type Open wind tunnel with radial fan
Working Section Width 180 mm
Working Section Depth 100 mm
Working Section Height 240 mm
Air Velocity Range 0 to 5 m/s
Comb Smoke Filaments 23
Filament Spacing 7 mm
Sound Level Lower than 70 dB(A)
Smoke Fluid Non-toxic, water-soluble glycol mixture
Working Section Transparent, removable with black background
Illumination Lamps on both sides of working section
Mounting Mobile metal frame with castors
Fan Controls Control unit attached to frame
Angle of Attack Adjustable — aerofoil and guide vane profile
Angle of Attack Display Scale included

Technical Data

Working Section

Parameter Value
Width 180 mm
Depth 100 mm
Height 240 mm
Construction Transparent, removable
Background Black
Illumination Lamps on both sides

Airflow

Parameter Value
Air Velocity 0 to 5 m/s
Flow Type Low-turbulence via stabilization chamber with flow straightener
Fan Type Radial, variable-speed, mounted at top

Smoke Comb

Parameter Value
Number of Filaments 23
Filament Spacing 7 mm
Comb Movement Side to side, manually by student
Smoke Injection Via distributor with nozzles

Fog Generator

Parameter Value
Fluid Type Glycol mixture
Smoke Properties Non-toxic, water-soluble
Distribution Through filter for consistent airflow

Acoustics

Parameter Value
Sound Level Lower than 70 dB(A)

Key Features

  • Tunnel type: vertical open wind tunnel, upward airflow, radial variable-speed fan
  • Working section: 180 mm x 100 mm x 240 mm, transparent, removable, black background
  • Air velocity: 0 to 5 m/s, adjustable
  • Smoke comb: 23 filaments, 7 mm spacing, side-to-side movement
  • Fog generator: glycol mixture, non-toxic and water-soluble smoke
  • Flow quality: low-turbulence via stabilization chamber with flow straightener
  • Illumination: lamps on both sides of working section
  • Angle of attack: adjustable on aerofoil and guide vane profile, scale displayed
  • Sound level: lower than 70 dB(A)
  • Mounting: mobile metal frame with castors
  • Fan controls: control unit attached to frame
  • 11 standard models included

Experiments

  • Visualization of streamlines
  • Flow around or through differently shaped models
  • Flow separation and turbulence
  • Stall as a function of the angle of attack

Construction and Design

The FluidoSurge-X 388 is a floor-standing vertical open wind tunnel mounted on a mobile metal frame with castors. A variable-speed radial fan is mounted at the top and generates vertical upward airflow. A stabilization chamber with flow straightener upstream of the working section ensures low-turbulence flow. The working section measures 180 mm x 100 mm x 240 mm and is transparent and removable, with a black background and lamps on both sides for smoke trail visibility. The front wall accepts optional model attachments. A movable comb below the working section injects smoke via a distributor with nozzles across 23 filaments at 7 mm spacing. Smoke is produced by evaporating a glycol mixture in the fog generator and distributed through a filter for consistency. The fog fluid is non-toxic and water-soluble. Aerofoil and guide vane profile angle of attack are adjustable with a scale. Fan speed controls are located on a control unit fixed to the frame. Sound level is lower than 70 dB(A).


Scope of Delivery

  • 1 experimental unit
  • 1 instruction manual
  • 1 set of models

Standard Model Set (Included)

  • Aerofoil
  • Sphere
  • Disc
  • Cylinder
  • Semi-Sphere
  • Orifice Plate
  • Rectangular Plate
  • Hatch-Back Car
  • Van
  • Slotted Plate
  • ISA Nozzle

Q1. What is the air velocity range of the FluidoSurge-X 388?
0 to 5 m/s, adjustable via the variable-speed radial fan.

Q2. What type of smoke fluid is used and is it safe?
A glycol mixture is evaporated in the fog generator to produce smoke that is non-toxic and water-soluble.

Q3. How many smoke filaments does the comb produce and at what spacing?
23 filaments at 7 mm spacing. The comb can be moved side to side by students.

Q4. What is the working section size and how is visibility ensured?
180 mm x 100 mm x 240 mm. The section is transparent with a black background and lamps on both sides for clear smoke trail visibility.

Q5. What models are included as standard?
Aerofoil, sphere, disc, cylinder, semi-sphere, orifice plate, rectangular plate, hatch-back car, van, slotted plate, and ISA nozzle — 11 models in total.

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