Mechanical

Topics: Fluid dynamics, Computational fluid dynamics, Machining Pages: 32 (3783 words) Published: June 8, 2014
Department of

Mechanical Engineering
IIT Kanpur

Mechanical Engineering Department

What is Engineering?
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Engineering

Development

Excitements in
Mechanical Engineering

Excitements in Mechanical Engineering
Make engines, machines, robots
Generate energy and power
Explore and understand applicable science
Create new materials

Indian Railways

Indian Railways
Wheel Impact Load Detection System (WILD)
Derailment Detection Devices
Measuring Wheel Technology
Onboard Diagnosis
Bogie Design

Indian Railways

Wheel Impact Load Detection System (WILD)

Indian Railways
Wheel Impact Load Detection System (WILD)
A prototype automated system for On-Line estimation of
Wheel Impact Loads and detection of Wheel Flats of
running trains has been developed.
The Instrumentation System consisting of both Hardware
and Software components has then been rigorously field
tested at Ajgain Railway Station, near Lucknow for more
than two years.
Strain-Guage Technology has been employed and data is
collected over 24-channels along a rail length of five
meters. Intelligent software algorithms and codes have
been developed and embedded into the hardware
processors.
For more Details visit site: Wheel Impact load Detection System (WILD)

Indian Railways
Derailment Detection Devices

Derailment Mechanism

Laboratory Tests

Lab Brake Mechanism

Placement of Sensors

Indian Railways
Derailment Detection Devices
This project envisages development of On-Board
equipment for sensing derailment possibilities of
rolling stock. Development includes appropriate
instrumentation and signal processing strategy and its
integration with the existing brake mechanism for
minimizing losses due to dragging of derailed vehicle.
Presently there is no instrumentation on Indian
Railways for detecting derailment possibilities.

For more Details visit site: Technology Mission on Railway Safety (TMRS)

Indian Railways
Measuring Wheel Technology

Measuring Wheel Experimental Setup

FEM of the Wheel Axle Set

Data Acquisition

Instrumented Wheel

Indian Railways
Measuring Wheel Technology
Development of an instrumented wheel is important for
a variety of safety related reasons. The project
Measuring Wheel Technology is expected to serve as a
major tool for carrying out studies on rail-wheel
interactive forces, derailment analysis, wheel profile
optimization, bogie hunting etc. Measuring Wheel is also
essential for analysis of various types of stresses coming
on rail and wheels during introduction of any new rolling
stock in Indian Railways.

For more Details visit site: Technology Mission on Railway Safety (TMRS)

Indian Railways
Onboard Diagnosis

Pressure Transducer

Brake Pipe Pressure Indicator

Indian Railways
Onboard Diagnosis
The objective of the project is to develop an On-board
Diagnostics for Diesel and Electric locomotives through a
network based real time control system.
Diagnostics on existing locomotives is presently confined
to the trouble shooting knowledge of the driver. The
exercise includes development of appropriate
instrumentation and signal processing strategy for
various equipments which form part of the transmission
and also for other auxiliary machines on board the
locomotives.
For more Details visit site: Technology Mission on Railway Safety (TMRS)

Indian Railways
Rail Flaw Detection Instrumentation

Defect on Rails

Simulation Studies

Indian Railways
Rail Flaw Detection Instrumentation
Different types of rail flaws include: Transverse defect in rail head, Gauge face corner defect, Rail weld defect (AT weld), Bolt hole defect, Piping defect, Half moon cracks at the weld etc. It is evident that rail flaw detection instrumentation would require multiple probing activities. The objective is to build a state of art of noncontact type ultrasonic testing methodology to...
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