Carriage HVAC Filter Performance Evaluation System
Compliance Standards
- EN 15780 (Ventilation for buildings - Ductwork)
- ISO 16890 (Air filter particulate efficiency)
- UIC 553 (Railway vehicle air conditioning)
- ASHRAE 52.2 (Filter efficiency ratings)
- DIN 24163 (Railway HVAC performance)
Technical Parameters
| Parameter | Specification |
|---|---|
| Airflow Capacity | 500-10,000 m³/h (±1.5%) |
| Pressure Range | -2000 to +2000 Pa (±5Pa) |
| Particle Size Range | 0.3-10μm (±0.05μm) |
| Test Aerosols | DEHS/KCl/NaCl/ISO A2 Dust |
| Temperature Range | -30°C to +60°C (±1°C) |
| Humidity Control | 10-95% RH (±2%) |
Key Features
- Dual-mode operation (ISO coarse/ASHRAE fine)
- Real-time PM1/PM2.5/PM10 efficiency monitoring
- Automated pressure drop cycling (50,000+ cycles)
- Bioaerosol challenge testing (BS EN 1822)
- Corrosion simulation (UIC 563-2)
Test Capabilities
| Test Type | Standard | Measurement |
|---|---|---|
| Initial Efficiency | ISO 16890 | ePM1 95%+ |
| Dust Holding Capacity | ASHRAE 52.2 | Up to 1000g/m² |
| Vibration Endurance | EN 13611 | 5-150Hz sweep |
| Gas Adsorption | ISO 10121 | VOC/NOx/SO2 removal |
Measurement System
- Laser particle counters (0.3-25μm)
- Differential pressure transducers
- FTIR gas analyzers
- Microbial air samplers
- 64-channel data acquisition
Rail-Specific Testing
- Tunnel dust simulation (UIC 563)
- Electrostatically charged particle test
- Emergency smoke filtration (EN 45545-2)
- Anti-icing performance (-30°C)
Safety Systems
- HEPA-filtered exhaust containment
- Automatic aerosol purge system
- Emergency pressure relief valves
- Gas detection and neutralization
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