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High speed rail
Transcript of High speed rail
What is High Speed Rail?
High-speed rail is a type of transport that operates faster than normal rail traffic.
The first system began in Japan in 1964 and was known as the bullet train.
Reduction in commuting time
Reducing pressure on growing urban areas
Low emission of CO2 (compare to other road users)
Less road accident
High capital cost
Expensive tickets for shorter journeys
Operation and maintenance cost
The need to change alignment
Design and Make
High speed trains are aerodynamically designed to reduce air resistance or drag.
The shape or cross sectional area of the train determines the trains speed and its stability on the track.
The material that is used also determines trains speed and stability.
Most high speed trains are made of comprised of lightweight plastic material, magnesium alloy and reinforced with carbon fiber.
Most modern railways use continuous welded rail.
Because there are few joints, this form of track is very strong, gives a smooth ride, and needs less maintenance.
World's fastest high speed train
An innovative sword-shaped test train reached a world record-breaking speed of 311 mph.
It's powered by a system capable of 22,800 kilowatts
Its designed to aerodynamically cut through drag like a knife - literally.
Example: HS2 (new gov. planned rail network)
It can generate fares of up to £27bn
Provide £44bn economic benefits
In long term it lead to an increase in economic growth
Today most MEDC (more economically developed countries) countries use High Speed Rail to connect mega cities and to provide desirable alternative to both Air and Car travel.
Aerodynamic designs (to reduce drag)
Dynamic weight shifting