Tag Archives: train
Rolling Stock Terms
This page will be continuously updated… Accelerometer A device that can measure acceleration generated by the movement of an object along an axis. Adhesion (Coefficient of) During rolling contact, the … Continue reading
Track Circuit
Most railroads use track circuits to determine which sections of track are occupied by trains. These devices are actually fairly simple in design, and have been in use since 1872. … Continue reading
Rail-wheel Lubrication
Rail and wheel wear can be reduced dramatically by proper lubrication. In addition, lubrication can help in saving energy and reducing noise. Rail-wheel lubrications applies by automaticly or manually. Advantages of automatic lubrication; Maintenance … Continue reading
Electric Traction Systems
The system which use electrical power for traction system i.e. for railways, trams, trolleys, etc. is called electrical traction. The track electrification refers to the type of source supply system that … Continue reading
Axle Counter
An axle counter is a device on a railway that detects the passing of a train between two points on a track. A counting head (or detection point) is installed … Continue reading
Train Depot Area
A train depot is where trains are stabled and maintained. The depots have infrastructure to maintain the rakes with necessary facilities viz stabling lines, scheduled inspection lines, workshop for overhaul, unscheduled maintenance … Continue reading
Critical Velocity for Smoke Control
The ventilation system would be operated to force the smoke and hot gases in the direction of the empty tunnel to provide a clear and safe environment behind the fire … Continue reading
Baku Metro Fire (1995)
In October 28, 1995, an electrical failure led to a fire on one of the trains in Baku’s Metro. The electrical failure caused a fire in the fourth of five … Continue reading
Sliding Doors
Sliding Doors A door in which the panel or panels slide open and closed on a hanger mechanism that is usually mounted above the doorway opening. A sliding door system … Continue reading
O’Hare CTA station train crash (2014)
On March 24, 2014, a Chicago Transit Authority (CTA) passenger train overran the bumper at O’Hare subway station, injuring 34 people. The cause is under investigation. The front car of … Continue reading
Scroll Compressor
A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. In rolling stocks, scroll compressor is used for HVAC … Continue reading
Structure Gauge and Kinematic Envelope
To ensure that the path required for the passage of trains is kept clear along the route of a railway, a “structure gauge” is imposed. This has the effect of … Continue reading
Pantograph
Pantograph is an apparatus which mounted on the roof of electric train to collect power through with an overhead tension wire. It lift or down on the basis of the … Continue reading
Bogie
In mechanics terms, a bogie is a frame work which carrying wheels attached to coaches. The bogie, or truck as it is called in the US, comes in many shapes … Continue reading
Communications-Based Train Control (CBTC)
Communications-Based Train Control (CBTC) is a railway signaling system that makes use of the telecommunications between the train and track equipment for the traffic management and infrastructure control. By means of the CBTC systems, the exact position … Continue reading
Third Rail
A third rail is a method of providing electric power to a railway train, through a continuous rigid conductor placed alongside or between the rails of a railway track. It … Continue reading
Kaprun Disaster
The Kaprun disaster was a fire that occurred in an ascending railway car in the tunnel of the Gletscherbahn 2 railway in Kaprun, Austria, on 11 November 2000. The disaster … Continue reading
High-speed Rail
High-speed rail (HSR) is a type of passenger rail transport that operates significantly faster than the normal speed of rail traffic. Specific definitions by the European Union include 200 km/h … Continue reading
Monorail
A monorail is a rail-based transportation system based on a single rail, which acts as its sole support and its guideway. The term is also used variously to describe the … Continue reading