Airflow Velocity Distribution Measurement Equipment
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Applications
development of filter housings and air-ducting elements in general
comparison of models for flow simulation with measured values
Flow field uniformity analysis of air filters and filter assemblies;
Flow behavior evaluation of engine intake systems and intake filter housings;
Optimization of installation positions for air velocity and mass air flow sensors (e.g. MAF sensors);
R&D validation of ventilation equipment, air supply modules, and air handling units;
Comparison and verification of CFD simulation results with measured data;
Performance assessment of new air duct designs, guide vanes, and flow straightening structures.
Standards
The system can be used in accordance with the following standards and technical references:
(1) GB/T 1236 Industrial Fans – Performance Testing Methods
(2) GB/T 10178 Industrial Fans – Field Performance Testing
(3) ASHRAE Handbook – Fundamentals (Air Flow Measurement and Testing Sections)
Technical data
| Parameter | Unit | Value |
|---|---|---|
| Test flow rate | m³/h | 20 … 900 |
| Air flow velocity | m/s | 1 … 40 |
| Test specimen dimensions | mm | max. 485 × 600 |
| Differential pressure of test specimen | Pa | – |
| System dimensions (W × H × D) | mm | 2500 × 2660 × 1300 |
| Weight | kg | approx. 550 |
Accessories
hot wire anemometer set
picoscope (PC-oscilloscope)
Test Procedures
Mount the test specimen securely to the air flow system and ensure airtight connections;
Set the required air flow rate according to the test plan and component specifications;
Position the hot-wire anemometer downstream of the specimen outlet;
Start the automatic scanning process to measure the velocity field across the defined plane;
Record and process the measured velocity and turbulence data;
Analyze the flow distribution results and generate test reports or comparison data for simulations.
Maintenance Information
Regularly calibrate the hot-wire anemometer to maintain measurement accuracy;
Keep the scanning mechanism clean and free from dust or debris;
Inspect hoses, connectors, and seals to prevent leakage;
Avoid exposing the sensor to high temperatures, dust, or liquid droplets;
Store the system in a clean, dry environment when not in use.
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