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Conventional Hypersonic Wind Tunnel

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Conventional Hypersonic Wind Tunnel Specification

Equipment Type
Hypersonic Wind Tunnel

Material
Stainless Steel, Precision-Engineered Alloys

Processing Type
Gas Dynamic Flow Processing

Condition
New

Technology
Conventional Hypersonic Wind Tunnel Technology

Dimension (L*W*H)
4500 mm x 1200 mm x 1500 mm

Power Mode
Electric

Voltage
380 V

Power Consumption
15 kW

Pressure Output
Up to 10 bar

Application
Aerospace Research, Aerodynamics Testing, Hypersonic Flow Simulation

Coating Type
Anti-Corrosive Protective Layer

Accessories
Control Console, Nozzle Set, Data Acquisition System

Cooling System
Integrated Water Cooling

Noise Level
<75 dB at 1 meter

Data Output Interface
Ethernet, USB

Calibration
Factory Calibrated, On-site Calibration Available

Safety Features
Emergency Shutdown and Overpressure Alarms

Operating Temperature Range
10C to 40C

Test Section Dimensions
400 mm x 400 mm

Frame Finish
Powder Coated Industrial Grade

Chamber Type
Closed and Open Circuit Options Available

Flow Control
Automated Variable Flow Rate

Compliance Standard
Meets ISO 17025 for Testing and Calibration Laboratories

Flow Visualization
Schlieren and Shadowgraph Capable

Temperature Control
Precision Thermal Management System

Mounting Type
Base Mounted with Vibration Damping

Control Method
Digital Automated Control

About Conventional Hypersonic Wind Tunnel

Marketing Overview

Our conventional hypersonic wind tunnel systems are developed from proven supersonic tunnel designs, enhanced with advanced high-temperature gas heating to enable stable hypersonic flow (Mach 5+). Designed for aerospace and defense research, these systems provide reliable simulation of extreme flight conditions for re-entry vehicles, missiles, and high-speed platforms.

Featuring intermittent blowdown operation, precision-contoured nozzles, and high-temperature-resistant components, the tunnel delivers accurate flow conditions for aerodynamic, thermal, and material studies. Flexible heating options and configurable test conditions ensure adaptability for a wide range of high-speed research applications.

Technical Datasheet (Generalized Ranges)

1. System Classification

Mach Number Range: 5 14 (up to 2540+ with special gases)
Flow Regime: Hypersonic
Operation Type: Intermittent Blowdown (typical), Continuous (optional)

2. Test Section Specifications

Type: Closed test section
Shape: Circular / Square
Typical Size: 0.1 m 1.5 m
Length: 0.5 m 5 m

3. Flow Performance

Velocity Range: ~1500 m/s 5000+ m/s
Mach Number Control Accuracy: 0.02 0.1
Flow Uniformity: 1% 2%
Unit Reynolds Number: ~10 10 per meter (typical ~3 10/m with air)
Test Duration: Milliseconds to a few seconds

4. Flow Generation System

Type: Blowdown with vacuum-assisted exhaust
Upstream Pressure: 10 bar 200+ bar
Downstream System: Vacuum tank for enhanced pressure ratio

5. Thermal System (Key Feature)

Purpose: Prevent gas liquefaction and simulate high-temperature flow
Heating Methods & Typical Temperature Ranges:

Gas combustion heater: up to ~750 K
Nichrome resistance heater: up to ~1000 K
Fe-Cr-Al resistance heater: up to ~1450 K
Alumina pebble bed heater: up to ~1670 K
Zirconia pebble bed heater: up to ~2500 K
Tungsten heater (with nitrogen): up to ~2200 K
Graphite resistance heater: up to ~2800 K

6. Nozzle System

Type: Convergent-divergent (hypersonic nozzle)
Design Options:

Axisymmetric contoured nozzle (preferred)
Conical nozzle (simpler, less uniform flow)

Special Features:

High expansion ratio
Water-cooled throat (for Mach > 7)

7. Operating Conditions

Test Gas: Air (standard), Helium / Nitrogen (optional)
High Mach Capability with Helium:

Up to Mach 25 (ambient)
Up to Mach 40+ (heated conditions)

8. Key Components

Settling chamber with heating system
High-pressure storage system
Hypersonic nozzle assembly
Test section with thermal protection (optional)
Supersonic/hypersonic diffuser
Vacuum exhaust system

9. Instrumentation (Optional)

High-frequency pressure sensors
Force and moment balances
Heat flux gauges
Schlieren / shadowgraph systems
High-speed imaging and DAQ systems

10. Applications

Re-entry vehicle and missile testing
Aerodynamic heating and thermal protection studies
High-speed flow physics research
Material ablation and erosion testing
Aerospace and defence R&D

11. Optional Configurations

High-temperature material testing setups
Alternative test gases (helium, nitrogen)
Advanced cooling systems (nozzle throat)
Enhanced vacuum and pressure systems
Extended Mach number capability

12. Customization Options

Mach number range and test duration
Heating method and temperature capability
Test section size and geometry
Pressure and vacuum system design
Instrumentation and diagnostics

Versatile Control and Data Output

The wind tunnel incorporates digital automated control with a user-friendly interface, facilitating seamless operation and precise adjustments to flow variables. Equipped with Ethernet and USB data output, the system ensures rapid data transmission and integration with modern research software, supporting streamlined testing and comprehensive analysis.

Advanced Flow and Temperature Management

Automated variable flow rate and a state-of-the-art precision thermal management system enable consistent hypersonic conditions. Integrated water cooling maintains stable operation, allowing extended tests without overheating. This advanced control architecture allows researchers to replicate a variety of flight conditions with accuracy and repeatability.

Comprehensive Safety and Compliance

Safety is a top priority with built-in emergency shutdown features, overpressure alarms, and noise control (<75 dB at 1 meter). The equipment's anti-corrosive coating, powder-coated industrial finish, and compliance with ISO 17025 guarantee both durability and reliability in rigorous research settings.

FAQ's of Conventional Hypersonic Wind Tunnel:

Q: How does the digital automated control system improve wind tunnel operation efficiency?

A: The digital automated control system simplifies operation by allowing precise and rapid adjustments of flow rates and test parameters. Users benefit from consistent, repeatable results, reduced setup times, and enhanced safety, as the system can quickly respond to changing conditions and emergencies.

Q: What are the key advantages of having both closed and open circuit chamber options?

A: The dual chamber design offers flexibility for different test scenarios. Closed circuits limit external air contamination for controlled experiments, while open circuits facilitate quick turnaround and simplified maintenance, meaning the tunnel can be tailored to diverse research and testing needs.

Q: When is on-site calibration recommended for this wind tunnel?

A: On-site calibration is advisable after installation, relocation, or major maintenance to ensure optimal system accuracy. Periodic recalibration, depending on usage intensity and institutional standards, further ensures the tunnel consistently meets ISO 17025 testing and calibration requirements.

Q: Where is the best environment to install and operate this wind tunnel?

A: The wind tunnel performs optimally in controlled laboratory environments within the specified 10C to 40C temperature range. A base-mounted, vibration-damped setup minimizes external disturbances, while good ventilation and clearances are recommended for safety and ease of access.

Q: What is the process for visualizing flow characteristics in this wind tunnel?

A: The system supports Schlieren and Shadowgraph techniques for high-resolution visualization of hypersonic flow behavior. These optical methods reveal density gradients and shock patterns, allowing researchers to observe and analyze dynamic aerodynamic phenomena in real time.

Q: How does the integrated water cooling system enhance tunnel performance?

A: The water cooling system efficiently dissipates heat, preventing thermal buildup during prolonged or high-intensity tests. This permits reliable, sustained operation at high flow rates, extending the tunnel's lifespan and ensuring accurate result consistency.

Q: What are the main benefits of using this wind tunnel for aerospace research applications?

A: Researchers gain high-fidelity simulation of hypersonic flows, advanced safety features, and reliable data acquisition. The tunnel's precision controls and robust design enable innovative aerodynamic testing and development, supporting breakthroughs in aerospace engineering and technology.

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