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| Home > Publications database > Transitions in pedestrian fundamental diagrams of straight corridors and T-junctions |
| Journal Article | PreJuSER-16126 |
; ; ;
2011
IOP Publ.
Bristol
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Please use a persistent id in citations: doi:10.1088/1742-5468/2011/06/P06004
Abstract: Many observations of pedestrian dynamics, including various self-organization phenomena, have been reproduced successfully by different models. But the empirical databases for quantitative calibration are still insufficient, e. g. the fundamental diagram as one of the most important relationships displays non-negligible differences among various studies. To improve this situation, experiments in straight corridors and T-junctions are performed. Four different measurement methods are defined to study their effects on the fundamental diagram. It is shown that they have minor influences for rho < 3.5 m(-2) but only the Voronoi method is able to resolve the fine structure of the fundamental diagram. This enhanced measurement method permits us to observe the occurrence of a boundary-induced phase transition. For corridors of different widths we found that the specific flow concept works well for rho < 3.5 m(-2). Moreover, we illustrate the discrepancies between the fundamental diagrams of a T-junction and a straight corridor.
Keyword(s): J ; traffic and crowd dynamics (auto)
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