1981-02-01

A Consideration of Vehicle's Door Shutting Performance 810101

Many papers have mentioned, in passing, a phenomena that is known as “airtightness”, which is one factor that hinders automobile doors from closing. It also causes the eardrums of any passengers in the vehicle to be temporarily pressurized when the door is closed.However, few documents have considered this phenomena in detail.In this paper, we investigate the magnitude of “airtightness” as it affects ear pressure and examine its relationship to such factors as the volume of the passenger compartment, door's opening area and its inertial moment.Finally, we utilized estimation methods to predict its influence on the force required to close the door and the amount of the resultant air draft.

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