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Home Quiet Cars

Ford Uses Thermal Imaging to Develop Quieter Cars

Magnus Kähler by Magnus Kähler
August 5, 2013 - Updated on October 29, 2015
in Quiet Cars, Soundproofing
Reading Time: 2 mins read
1
Thermal Imaging Technology to Design Quieter Vehicles
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Thermal Imaging Technology to Design Quieter Vehicles

Law enforcement agents use thermal imaging to track down bad guys in hiding. For about a year now, US car manufacturer Ford has been pioneering similar technologies to identify and eliminate air leakage from vehicle cabins to achieve more effective soundproofing, resulting in improved interior quietness.

William Dedecker, Ford’s noise, vibration and harshness engineering supervisor, explains that the innovative technique can minimize the number of holes in the body structure. “This helps to improve the road noise, wind noise and powertrain noise. And it minimizes dust intrusion and water leaks”, he says.

An additional benefit is that sealing air leaks help increase heating and cooling efficiency by reducing energy loss.

The way it works is that the vehicle interior is filled up with hot air, up to a temperature of 60 degrees Celsius, and an infrared camera then identifies the hottest points of the car. Those points indicate air leaks, which will contribute to a higher sound level inside the cabin of the car unless fixed.

Previously, Ford used other less advanced and more time-consuming methods, such as filling the vehicle with smoke in order to see where air was leaking, and also listening with medical stethoscopes to hear the whistle of escaping air.

Ford claims to be the first automaker to use the thermal imaging technology to track air leaks. See below a video explaining how Ford is applying the technology in their quest to design quieter vehicles.

To learn more about cars and sound/noise, get your copy of the Quiet Cars eBook – Your Guide to a Quieter Ride – plus join the Quiet Cars online community.

Tags: automotivecar designcar innovationFordpowertrain noisequiet carsroad noisethermal imagingwind noise
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Magnus Kähler

Magnus Kähler

Swedish founder of Elevating Sound - Your Sound Guide to a Sound World. I have set out to inform and educate about progressive sound thinking, leading sound innovations and issues around noise in society. If you wish to support the initiative and help Elevating Sound increase its impact, please CLICK HERE to become a patron.

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Comments 1

  1. Magnus Kahler says:
    10 years ago

    While I commend the progressive and innovative use of thermal imaging technology, it needs to be said that Ford seems to have a long way to go in terms of developing quiet vehicles. As was concluded in the Swedish 2008 noise measurement study presented at https://elevatingsound.mystagingwebsite.com/the-price-of-quiet-driving, Ford Focus rated as the 3rd noisiest car (75.2 decibels at 90 km/h) out of the 35 vehicles tested. If anyone at Ford is reading this, what else are you doing beyond the thermal imaging initiative to substantially reduce the high noise level in the cabin of the Ford Focus?

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