Volvo Trucks Per-Uno Sturk, Volvo Trucks Quiet Cities – Enabling Out of hour deliveries Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations Developments in quiet vehicle technology
Volvo Trucks Second largest producer of heavy trucks and transport solutions within the entire truck industry. 2300 dealerships and workshops in more than 140 countries Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 2
Volvo Trucks Vehicle sound Drivers comfort Environment –Regional/Local regulation Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 3
Volvo Trucks Vehicle sound level 10 modern trucks = 1 veteran Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 4
Volvo Trucks Vehicle sound sources The operator/driver –Reduce Speed –Reduce Torque Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 5
Volvo Trucks Acoustic environment vs sources Reflective surfaces Absorbing surfaces Diffracting objects Acoustics Source Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 6
Volvo Trucks Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 7
Volvo Trucks Electrically powered Crane A small electric motor power the hydraulic pump, while the diesel engine is off Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 8
Volvo Trucks Waste handling Field test Hybrid refuse truck Bins with noise insulation material and soft rubber wheels Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 9
Volvo Trucks Goods distribution Field test City of Stockholm, Svebol, Lidl, Volvo Trucks and KTH (Royal Institute of Technology) Potential in extending time window for delivery beyond daytime Environmental as well as working condition aspects of sound Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 10
Volvo Trucks Summing up Sensibility & responsibility Acoustically treated tools & equipment Observance for remaining issues & potentials Start now Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 11
Volvo Trucks Per-Uno Sturk Absorbent snow in mid winter Sweden Per-Uno Sturk, Regulation & Feature Specialist – Noise & Vibrations 12