Turning
Posted by Vishnu on April 15th, 2010 11:32 AM | No Comment
a) Turning
Turning may be defined as the machining operation for generating external surfaces by the action of a cutting tool on a rotating workpiece. When the same action is applied to internal surfaces of revolution the process is called boring. ...
Hydraulic Turbines – Steam Turbine
Posted by Vishnu on April 14th, 2010 11:54 PM | No Comment
Steam Turbine
A steam turbine translates relatively high amount of the heat energy possessed in the steam mechanical rotary motion of a shaft. It is an important prime mover for electric power generation in thermal power stations since the propelling force ...
Hydraulic Turbines – Francis Turbine
Posted by Vishnu on April 14th, 2010 11:44 PM | No Comment
Hydraulic Turbines - Francis Turbine
Francis turbine is a mixed flow reaction turbine which works under medium heads of 60-250 m of water, developed by an American Engineer, Sir J.B. Francis. The water enters the turbine through the outer periphery of ...
Hydraulic Turbines – Pelton wheel
Posted by Vishnu on April 14th, 2010 11:38 PM | 1 Comment
Hydraulic Turbines - Pelton wheel
Pelton wheel is the most commonly used impulse turbine. It is named after Lester A. Pelton, who contributed much to its development. It works under a high head and requires small quantity of water. The major ...
Impulse and Reaction Turbines
Posted by Vishnu on April 14th, 2010 11:27 PM | No Comment
Impulse Turbine Principle: In the case of the impulse type the action of the flow is only due to the change in the direction of flow from entry to discharge of the vane channel similar to the action on a ...
Introduction to Turbines
Posted by Vishnu on April 14th, 2010 11:19 PM | No Comment
Turbines are energy developing machines. Turbines convert fluid energy into mechanical energy. The mechanical energy developed by the turbines is used in running an electric generator, which is directly connected, to the shaft of the electrical generator. Turbines are used ...
Solar Power
Posted by Vishnu on April 14th, 2010 11:16 PM | No Comment
4.5.5 Solar Power
Sun is the universal source of energy. For example hydel power, power from fuel, wind power, power from fuel, oceothermal power etc is from the root source-sun. The heat and light energy generated in the sun is by ...