1998-02-23

Environment Leading to Condensation in Automotive Lamps 980316

Condensation of water vapor in exterior automotive lamps may cause corrosion related performance problems and cosmetic concerns, particularly in clear lens lamps. The amount and distribution of the water vapor inside the lamp depends on the environment external to the vent, as well as lamp characteristics. In this paper we report laboratory investigations focusing on two basic factors affecting internal humidity; humidity outside of the vent opening and basic placement of the vent hole on the lamp.

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