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Adhesion coefficient (m)
| Глоссарий в железнодорожной технике |
The ratio of the tangential and normal forces that exist between the wheel and the rail at standstill and during motion. the adhesion coefficient for rolling motion is usually referred to as m r. generally taken as 0.3 to 0.4 for dry rail, but can be as low as 0.01 for icy and greasy rail.uos
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Tangential, английский
- Coincident with a tangent at the circumference of a tree or log, or parallel to such a tangent. in practice, it often means roughly coincident with a growth ring.
- Тангенциальный -tans tactical air navigation system тактическая радионавигационная система (типа «декка»)
- Contacting the circumference of a circle at a single point, perpendicular to that circle`s radius at the point of contact.
- Strictly, coincident with a tangent at the circumference
- Тангенциальный
- Of or pertaining to a direction impinging on a curved surface of an object and perpendicular to the radius at the point where it impinges. compare axial and radial. tesla (t): si derived unit of measure for magnetic flux density. 1t=1wb·m–2= 104 g.
Standstill, английский
Coefficient, английский
- Coefficient
- Коэффициент; множитель; параметр, индекс о ~ for nose
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Buffer locking, английский
The result of the entanglement of the buffers of adjacent vehicles traversing sharp curves. as straight track is regained, the buffers force the vehicles off the track and cause a derailment. the cause is usually poor buffer design or the use of vehicles over lines for which they were not designed. the oval buffer was introduced in the 1880s to try to reduce buffer locking.
Road learning, английский
The process by which train crew become familiar with a route over which they will work. gradients, layouts of tracks at junctions and positions of stations and signals are the most important features to learn. oh yes, and places to get refreshments.
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