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Flow Viz Tunnel

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Flow Viz Tunnel Specification

Material
Acrylic and Mild Steel

Processing Type
Laboratory demonstration equipment

Condition
New

Technology
Smoke flow visualization

Dimension (L*W*H)
Approx. 1200 mm x 250 mm x 350 mm

Power Mode
Electric

Voltage
220V AC

Power Consumption
Approx. 100-300 W

Pressure Output
Low pressure for educational wind tunnel

Application
Aerodynamic visualization, educational laboratories, demonstration of airflow patterns

Coating Type
Powder coated finish on metallic sections

Accessories
Smoke generator, power supply, model holders, user manual

Noise Level
Low, suitable for classroom demonstration

Control Panel
Included with speed controller

Smoke Generation Method
Heater filament with Glycol or Glycerin based smoke fluid

Working Speed
Variable (typically up to 3-5 m/s depending on model)

Portability
Bench-top/Portable

Flow Type
Laminar & Visual flow patterns

Frame Material
Powder coated sheet metal

Equipment Type
Flow Visualization Wind Tunnel

Fan Type
Centrifugal or axial, enclosed

Viewing Panels
Transparent acrylic for full visibility

Test Section Size
Approx. 300 mm x 200 mm

Model Support
Provision for various bluff and streamlined bodies

About Flow Viz Tunnel

Overview

An advanced flow visualization wind tunnel designed for hands-on aerodynamic learning and demonstration. Using laminar airflow and vapor-based streaklines, the system allows students to visually observe airflow behavior over airfoils, cylinders, and other models in real time.

Ideal for both group demonstrations and interactive experiments, the tunnel enables direct observation of flow patterns, separation, and aerodynamic effects.

Key Features

Real-Time Flow Visualization: Vapor streaklines for clear airflow patterns
Laminar Flow Design: High-quality, low-turbulence airflow
Interactive Learning: Adjustable models and flow conditions
Instant Operation: No warm-up required
Integrated Lighting & Viewing System

Technical Datasheet (Typical)

Wind Tunnel Dimensions

Length: 1.35 m (53 in)
Height: 0.72 m (28.5 in)
Width: 0.43 m (17 in)

Cabinet Dimensions

Height: 0.94 m (37 in)
Width: 1.16 m (45.5 in)
Depth: 0.61 m (24 in)

Power Requirements

Supply: 115 VAC, 60 Hz
Current: 15 A (transformer required for international use)

Flow System

Flow Type: Laminar (low turbulence)
Blower: Downstream centrifugal blower
Speed Control: Infinitely variable via control knob

Flow Conditioning

Contraction Section: High area ratio for smooth acceleration
Honeycomb Straightener:

~7700 hexagonal cells
Cell size: ~3 mm (1/8 in)
Length: ~178 mm (7 in)
Aspect Ratio: ~56

Visualization System

Medium: Ultrasonic water vapor (streaklines)
Streakline Spacing: ~6.35 mm (0.25 in)
Injection: Multi-point vapor rake
Purge System: Removes condensation during extended use

Construction

Frame: Anodized aluminium structure
Panels: Clear and opaque acrylic
Viewing Area: Transparent test section with black background
Lighting: Integrated fluorescent illumination (top & bottom)
Access: Hinged rear panel for model installation

Control & Operation

Adjustable Parameters:

Airspeed
Model angle of attack

Additional Controls:

Vacuum/blowing via external pump
Manual valve Regulation

Demonstration Models (Typical)

Venturi Model: Flow acceleration in converging ducts
Rotating Cylinder: Demonstrates Magnus effect
Airfoils & Cylinders: Flow separation and lift visualization

Applications

Aerodynamics education and lab demonstrations
Flow visualization and qualitative analysis
Boundary layer and separation studies
Interactive student experimentation

Optional Features

Additional models and accessories
Compressor/vacuum integration
Custom configurations
Handcrafted custom models and probes

Customization

The system can be tailored for specific educational or laboratory requirements, including model sets, instrumentation, and layout.

Precise Flow Visualization for Education

Engineered for clarity, this wind tunnel facilitates direct observation of airflow patterns around various models. The smoke generator, along with adjustable speeds and acrylic viewing panels, provides students and educators with real-time insights into laminar flow and the behavior of different shapes in a controlled, safe environment.

Classroom-Friendly and Portable Design

Designed for educational convenience, the compact, bench-top wind tunnel features a sturdy powder-coated metal frame and operates at low noise levels. Its mobility and straightforward interface make it ideal for interactive demonstrations, allowing seamless integration into teaching laboratories and hands-on learning sessions.

FAQ's of Flow Viz Tunnel:

Q: How does the smoke generation process work in the Flow Viz Tunnel?

A: The Flow Viz Tunnel uses a heater filament to vaporize glycol or glycerin-based smoke fluid. This method produces visible streaklines in the airflow, helping to easily visualize laminar and transitional flow patterns during experiments.

Q: What types of airflow can be demonstrated with this equipment?

A: This wind tunnel is designed for laminar flow visualization and can display clear flow patterns both around streamlined and bluff bodies. It is ideal for demonstrating airflow over basic and complex shapes in educational settings.

Q: When is this wind tunnel most beneficial for educational purposes?

A: This device is most effective during classroom demonstrations, laboratory practical sessions, or any scenario where visualizing airflow and aerodynamic principles is essential for comprehension or research.

Q: Where can the Flow Viz Tunnel be set up for use?

A: Thanks to its bench-top, portable design, the tunnel can be easily installed on laboratory benches, classroom tables, or demonstration counters. Its compact dimensions and low noise output allow it to fit into a variety of educational environments.

Q: What accessories are included with the purchase of the Flow Viz Tunnel?

A: The standard package includes a smoke generator, power supply, model holders, a user manual, and a control panel for adjusting airflow speed, ensuring you have everything needed for immediate operation.

Q: How does using transparent acrylic viewing panels enhance the learning process?

A: Transparent acrylic panels allow students and instructors to observe flow patterns from all angles, boosting engagement and understanding of fundamental aerodynamic concepts through direct visualization.

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