Seminar Topic: Ergonomics

Intoduction:
Ergonomics (or human factors) is the scientific discipline concerned with the understanding of interactions among humans and other elements of a system, and the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance.

Difficulty : Medium

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Seminar Topic: Shape Memory Alloys

Introduction:

A shape memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that "remembers" its original, cold-forgedshape: returning the pre-deformed shape by heating. This material is a lightweight, solid-state alternative to conventional actuators such as hydraulic, pneumatic, and motor-based systems. Shape memory alloys have applications in industries including medical and aerospace.

Difficulty : Medium

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Seminar Topic: Refrigeration & Air Conditioning

Introduction:

The process of reducing the temperature of a body from the general level of temperature of surroundings is called refrigeration. Air-conditioning means control of temperature,humidity,purity and movement of air. The working conditions and comfort for human beings is improved by air-conditioning. The temperature is brought down during summer and increased during winter without causing any discount.

Difficulty : Medium

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Seminar Topic: Stepper Motor

Introduction:
Electromechanical device which converts electrical pulses into discrete mechanical movements shaft of a stepper motor rotates in discrete step increments when electrical pulses are applied sequence of the applied pulses is directly related to the direction of motor shaft’s rotation. Speed of rotation is directly related to the frequency of input pulses applied. PM type stepper motor permanent magnet is rotor and coils are put on stator. The rotor will move precisely 90 degrees for each pulse of electricity that the motor receives.

Difficulty : Medium

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Seminar Topic: Quasi Turbine

Introduction:

The Quasiturbine or Qurbine engine is a proposed pistonless rotary engine using a rhomboidal rotor whose sides are hinged at the vertices. The volume enclosed between the sides of the rotor and the rotor casing provide compression and expansion in a fashion similar to the more familiar Wankel engine, but the hinging at the edges allows the volume ratio to increase. Unlike vane pumps, which vane extension is generally important and against which the pressure acts to generate the rotation, the Quasiturbine contour seals have a minimal extension and the rotation does not result from pressure against these seals.

Difficulty : Easy

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Seminar Topic: Solar Sails

Introduction:
Solar sails (also called light sails or photon sails) are a form of spacecraft propulsion using the radiation pressureof light from a star or laser to push enormous ultra-thin mirrors to high speeds.
In 2010, IKAROS was the world's first spacecraft designed to use solar sailing propulsion to be successfully launched.

Difficulty : Easy

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