An analytical tire model was developed that correlates with existing tire test data to within + or - 5%. The model consists of a prediction equation expressing the relationships between seven dimensionless groups (pi terms) needed to define the aircraft tire-runway interface friction. A tire test program was recommended to validate the said model. A specification criteria has been established for the interface Friction Prediction Subsystem and various ground vehicles in use to date were evaluated. None of the vehicles meets the specification criteria.
Tire Runway Interface Friction Prediction Subsystem
1977
202 pages
Report
No indication
English
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