|Autors: Savova-Mratsenkova, M. G., Djonev, G. B.|
Title: Determining the values of the Coefficient of Restitution in the meanwhile of a crash between two vehicles
Keywords: road traffic accident, vehicle, mechanism of occurrence, velocity of movement
Abstract: The current scientific research aims to present two of the methods, which are used worldwide by the automobile expert practice when investigating the velocity of motor vehicles. These methods are based on theorems from mechanics. Basic quantitative characteristic of energy loss during a two-body impact is the introduced in the impact theory – coefficient of restitution (COR). In reference to automobiles, the values of the coefficient depend on the type of the elements that have crashed as well as on the relative velocity in the meanwhile of the crash. The article presents an approach for determining the values of the above mentioned coefficient when investigating frontal or side collisions of vehicles in a movable barrier, based on multiple regression analysis. The conducted research uses real automobile expertise data from the case law.
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Вид: пленарен доклад в международен форум, публикация в реферирано издание, индексирана в Scopus