Low-beam headlamp illumination at very high angles

Sivak, Michael; Schoettle, B.; Flannagan, M. J.

Low-beam headlamp illumination at very high angles

dc.contributor.author	Sivak, Michael	en
dc.contributor.author	Schoettle, B.	en_US
dc.contributor.author	Flannagan, M. J.	en_US
dc.date.accessioned	2007-02-16T19:34:26Z
dc.date.available	2007-02-16T19:34:26Z
dc.date.issued	2002
dc.identifier	97639	en
dc.identifier.other	UMTRI-2002-33	en
dc.identifier.other	PB2004 102837	en
dc.identifier.uri	https://hdl.handle.net/2027.42/49464
dc.description	Includes bibliographical references (p. 18)	en
dc.description.abstract	This study was designed to provide photometric information for very high angles for a sample of U.S. low beams of recent vintage. The sample included 24 pairs of left and right lamps for 1999 and 2000 model year vehicles. The lamps were photometered in 0.2° steps from 10° up to 90° up, and from 60° left to 60° right. The report documents both the median and maximum luminous intensities at each test point. The utility of the present data is discussed in relation to retroreflective traffic signs, and veiling luminance in adverse weather such as fog.	en
dc.description.sponsorship	Michigan University, Ann Arbor, Industry Affiliation Program for Human Factors in Transportation Safety	en
dc.format	ill.	en
dc.format.extent	24	en
dc.format.extent	3093605 bytes
dc.format.mimetype	application/pdf
dc.language	English	en
dc.publisher	University of Michigan, Ann Arbor, Transportation Research Institute	en
dc.subject.other	Lowbeam Headlamps	en
dc.subject.other	Headlamp Beam Modeling	en
dc.subject.other	Brightness/ Light Intensity/ Illumination	en
dc.subject.other	Optical Measurements/ Photometry	en
dc.subject.other	Fog/ Smog	en
dc.subject.other	Overhead Signs/ Overhead Signals	en
dc.subject.other	Visibility	en
dc.subject.other	Reflectance/ Absorptivity/ Reflectivity	en
dc.title	Low-beam headlamp illumination at very high angles	en
dc.type	Technical Report	en_US
dc.subject.hlbsecondlevel	Transportation
dc.subject.hlbtoplevel	Engineering
dc.description.bitstreamurl	http://deepblue.lib.umich.edu/bitstream/2027.42/49464/1/UMTRI-2002-33.pdf	en_US
dc.owningcollname	Transportation Research Institute (UMTRI)

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