Mechanical Seminar

In this Page you can find Mechanical Seminar for the year 2013.  

Selective Laser Sintering

Rapid Prototyping (RP) can be defined as a group of techniques used to quickly fabricate a scale model of a part or assembly using three-dimensional computer aided design (CAD) data. What is commonly considered to be the first RP technique, selective laser sintering was patented by CARL DECKARD A UNIVERSITY OF TEXAS GRADUATE STUDENT. The company was founded in 1989, and since then, a number of different RP techniques have become available. Rapid Prototyping has also been referred to as solid free-form manufacturing; .......>>>> Read More

Agile Manufacturing

The industrial revolution led to mass production practices and the scientific definition of cost accounting system. That period represented seller's market, where demand was greater than capacity. Price was based on the cost of production and expected profit. The fixed of capital was amortized for a long period of time, but variable costs were high and needed to be managed. The solution was simple -treat manufacturing as a cost driver by focusing on local optimization, breaking down to tasks into small simple steps and producing high volumes of standard products at the lowest possible cost. Consequently labor was de-skilled.......................>>>>Read More

Next Generation Engines

Gasoline direct injection (GDI) engine technology has received considerable attention over the last few years as a way to significantly improve fuel efficiency without making a major shift away from conventional internal combustion technology. In many respects, GDI technology represents a further step in the natural evolution of gasoline engine fueling systems. Each step of this evolution, from mechanically based carburation, to throttle body fuel injection, through multi-point and finally sequential multi-point fuel injection...>>>Read More

Tidal Energy

The four main components of a tidal power generation plant will be subsequently discussed. These components (as shown in Figure 2) are a tidal basin, a tidal barrage, sluice gates, and the tidal turbines themselves.The first component of a tidal power generation plant is a tidal basin, or estuary. Finding a proper site containing an estuary is essential for the successful operation of a tidal power generation plant. One must note that the estuary will not be man-made; rather, the tidal basin will be a geographical feature that is not easily...>>>Read More

Air Craft Hydraulic System

It is a system where liquid under pressure is used to transmit this energy. Hydraulic systems take engine power and convert it to hydraulic power by means of a hydraulic pump. This power can be distributed throughout the airplane by means of tubing that runs through the aircraft. Hydraulic power may be reconverted to mechanical power by means of an actuating cylinder, or turbine.If an electrical system were used instead of a hydraulic system, a generator would take the place of the pump and a motor would take the place of the actuating cylinder............>>>>Read More


Cryogens are effective thermal storage media which, when used for automotive purposes, offer significant advantages over current and proposed electrochemical battery technologies, both in performance and economy. An automotive propulsion concept is presented which utilizes liquid nitrogen as the working fluid for an open Rankine cycle. The principle of operation is like that of a steam engine, except there is no combustion involved. Liquid nitrogen is pressurized and then vaporized in a heat exchanger by the ambient temperature of the surrounding air. The resulting high - pressure nitrogen gas is fed to the engine converting pressure into mechanical power. The only exhaust is nitrogen.....>>>>Read More


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