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Blow Down Wind Tunnels

Name: Blow Down Wind Tunnels
Brand: MECHMATICS ENGINEERING PVT. LTD.
Price: 500000.0 INR
Availability: InStock

Price 500000.0 INR/ Unit

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MOQ : 1 Unit

Blow Down Wind Tunnels Specification

Material
Mild Steel

Processing Type
Air Flow Simulation

Condition
New

Technology
Blow Down (High Pressure Reservoir, Subsonic/Supersonic Output)

Dimension (L*W*H)
2500 mm x 900 mm x 1200 mm

Power Mode
Electric

Voltage
220-240V, 50Hz

Power Consumption
4-8 kW

Pressure Output
Adjustable, up to 20 bar

Application
Aerodynamics testing, research, educational experiments

Coating Type
Powder Coated

Accessories
Test Section, Control Panel, Pressure Gauge, Safety Valves, Model Mounts

Nozzle Type
Convergent or Convergent-Divergent

Frame Material
Reinforced Mild Steel

Calibration
Factory Pre-Calibrated

Noise Level
80 dB

Equipment Type
Wind Tunnel

Control Type
Digital / Manual

Flow Visualization
Smoke Generator Optional

Measurement Instruments
Manometers, Pressure Sensors, Pitot Tubes

Compliance
ISO 9001:2015 Certified

Operating Temperature Range
5C to 50C

Model Mounting Type
Removable/Adjustable

Reservoir Capacity
1200 Litres

Test Section Size
300 mm x 300 mm

About Blow Down Wind Tunnels

A high-performance blow-down type open-circuit wind tunnel engineered for advanced aerodynamic research and experimental flexibility. Designed with an upstream centrifugal blower, the system enables precise airflow control and supports specialized applications such as liquid spray, particulate injection, and flow visualization studies.

Key Features

Blow-Down Configuration: Upstream-driven airflow for enhanced testing versatility
Custom Test Section: Modular geometry with integrated model mounting options
Injection Capability: Ideal for multiphase flow experiments (liquid/particle)
Flow Conditioning System: Multi-stage airflow smoothing for stable test conditions
Expandable Design: Provision for additional turbulence control elements

Technical Datasheet (Typical Ranges)

Performance

Airspeed Range: 10 to 120 m/s (customizable up to ~200 m/s)
Turbulence Intensity: 0.5% to 2.5% (application dependent)
Flow Uniformity: 1% across test section

Blower System

Type: Centrifugal blower (upstream mounted)
Drive: High-efficiency electric motor with VFD control
Power Range: 5 kW to 250 kW
Speed Control Accuracy: 0.5%

Test Section

Cross-Section: 0.3 m 0.3 m to 2 m 2 m (customizable)
Length: 0.5 m to 5 m
Construction: Transparent acrylic / glass / metal options
Mounting: Integrated model support & instrumentation ports

Flow Conditioning

Wide-Angle Diffuser: Multi-stage velocity reduction and pressure recovery
Honeycomb Straightener:

Material: Aluminium
Cell Diameter: 310 mm
Length-to-Diameter Ratio: 6:1 to 10:1

Turbulence Screens:

Standard: 2 stainless steel screens
Expandable: Up to 4 screens

Applications

Aerodynamic testing (subsonic regime)
Spray, combustion, and particulate flow studies
Thermal and environmental simulations
Academic and industrial R&D

Customization Options

High-speed data acquisition systems
Force balance and pressure measurement integration
Temperature/humidity control modules
Acoustic treatment and noise reduction

Precision Testing for Aerodynamics

The Blow Down Wind Tunnel is purpose-built for accurate air flow simulation in aerodynamics research and education. Its 300 mm x 300 mm test section accommodates a variety of test models, supported by removable and adjustable mounting. The system ensures precise measurement and control, making it an excellent choice for users seeking reliable aerodynamic data.

Flexible and User-Friendly Controls

Equipped with both digital and manual control options, users can easily set and monitor pressures up to 20 bar for various testing needs. The intuitive control panel and readable indicators facilitate smooth operations, whether tests require automated precision or hands-on adjustment.

Compliant, Durable, and Safe Construction

Manufactured from reinforced mild steel and powder coated for longevity, the wind tunnel is ISO 9001:2015 certified, ensuring top reliability. Integrated safety valves, robust materials, and factory pre-calibration contribute to user safety and consistent performance across its 5C to 50C operating range.

FAQ's of Blow Down Wind Tunnels:

Q: How is the airflow rate and pressure adjusted in this blow down wind tunnel?

A: Airflow rate and pressure within the test section are precisely controlled using the digital or manual controls on the integrated control panel. The system's adjustable output allows for air pressure up to 20 bar, accommodating both subsonic and supersonic testing as needed.

Q: What types of measurement instruments are included with the wind tunnel?

A: This wind tunnel includes manometers, pressure sensors, and pitot tubes for comprehensive measurement of air velocity and pressure. These instruments enable accurate data collection during experiments and research applications.

Q: When should the optional smoke generator be used for flow visualization?

A: The optional smoke generator is ideal for flow visualization during tests where observing the airflow patterns around models is required. This feature is especially valuable in educational demonstrations and advanced research on aerodynamic behaviors.

Q: Where can this wind tunnel be utilized effectively?

A: Thanks to its robust frame, moderate dimensions, and electrical requirements (220-240V, 4-8 kW), this wind tunnel is suitable for university laboratories, R&D centers, and technical training institutes focused on aerodynamics and fluid mechanics.

Q: What is the benefit of having both removable and adjustable model mounts?

A: Removable and adjustable model mounts increase flexibility, allowing users to quickly install, reposition, or replace test models. This facilitates a wide range of experiments and testing scenarios with minimal downtime.

Q: How does the factory pre-calibration and ISO 9001:2015 compliance contribute to the process?

A: Factory pre-calibration ensures that all measuring instruments deliver accurate readings from the first use, while ISO 9001:2015 compliance guarantees the product meets high quality management standards for consistency and reliability.

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