[For Overseas Automotive Manufacturer] Vehicle Semi-Anechoic Chamber
VSAC

Project Case Study | Vehicle Semi-Anechoic Chamber
A vehicle semi-anechoic chamber was delivered for an overseas automotive manufacturer.
Chamber Type & Application
Vehicle Semi-Anechoic Chamber
This facility is designed for acoustic evaluation and noise testing of vehicles, vehicle components, and onboard equipment.
Size
Internal dimensions (approx.)
| Width | 10.0 m |
| Depth | 8.6 m |
| Height: | 3.0 m |
A sufficient measurement space is secured to accommodate full vehicles.
Chamber Configuration
- Floor: Existing floor (reflective surface)
- Walls & ceiling: Sound insulation panel construction
- Semi-free-field configuration with sound absorption treatment
Access
Double-leaf door (for vehicle entry)
| Effective opening | approx. W 3,500 × H 3,000 mm |
Single-leaf door (for personnel)
| Effective opening | approx. W 1,000 × H 2,100 mm |
Flat sill design with no floor level difference
Air Conditioning & Ventilation
- Air conditioning silencers (supply & exhaust)
- Ventilation silencers (supply & exhaust)
- Sirocco fans: 2 units
- Air conditioning unit (by others)
Local Exhaust System for Vehicles
- Local exhaust unit suitable for vehicle operation
- Configuration including exhaust ducts and exhaust silencers
Electrical & Auxiliary Equipment
- Lighting system
- Power outlets (multiple locations)
- Distribution board
- Automatic fire alarm system
- Sprinkler system
- Gas detector
- Provision for surveillance cameras and LAN cabling

