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Mechanical Engineering Projects PPT

In this Page you can find Mechanical Engineering Projects PPT for the year 2013.  

Vacuum Braking System

A moving train contains energy, known as kinetic energy, which needs to be removed from the train in order to cause it to stop. The simplest way of doing this is to convert the energy into heat. The conversion is usually done by applying a contact material to the rotating wheels or to discs attached to the axles. The material creates friction and converts the kinetic energy into heat. The wheels slow down and eventually the train stops. The material used for braking is normally in the form of a block or pad.......... >>>>Read More

Thermal shock on interfacial adhesion of thermally conditioned

Thermal stresses were built-up in glass fiber reinforced epoxy composites by up-thermal shock cycles (negative to positive temperature exposure) for different durations and also by down-thermal shock cycles (positive to negative temperature exposure). The concentration of thermal stresses often results in weaker fiber/matrix interface. A degradative effect was observed in both modes for short shock cycles and thereafter, an improvement in shear strength was measured. The effects were shown in two different crosshead speeds during short-beam shear test.......... >>>>Read More

Variable Valve Timing In I.C. Engines

VALVE TIMING (VT) is one of the most important aspects of consideration in the design of an automobile engine. Simply defined, it is the timing, or regulation of the opening and closing of the valves. In simpler terms, it is the way an engine 'breathes'. VALVE TIMING (VT) is one of the most important aspects of consideration in the design of an automobile engine. Simply defined, it is the timing, or regulation of the opening and closing of the valves. In simpler terms, it is the way an engine 'breathes'.......... >>>>Read More

Space Elevator

The LEO space elevator is an intermediate version of the Earth surface to GEO space elevator concept, and appears to be feasible today using existing high-strength materials and space technology. It works by placing the system's midpoint station, and center of gravity, in a relatively low-Earth orbit and extending one cable down so that it points toward the center of the Earth and a second cable up so that it points away from the Earth. The bottom end of the lower cable hangs down to just above the Earth's atmosphere such that a future space plane flying up from the Earth's surface would require 2.5 km/sec......... >>>>Read More

 

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