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The course contains the analysis of vapour power cycle i. Thus electricity is generated when one end of the turbine shaft is connected to the generator. Today turbine powered generators produce most of the worlds electrical energy. These lecture class handwritten notes covered most of the topics of engineering mechanics subject with solved numerical problems. Thermodynamics engineering study notes hand written.
Flow diagram showing rolling of different products. Gas turbine can produce speed as high as 40,000 rpm. You should check it out, i assured you that in future you dont need to read about the pelton wheel again. Share your videos with friends, family, and the world. Nptel mechanical engineering forming joint initiative of iits and iisc funded by mhrd page 4 of 8 the draw pressure is dependent on draw ratio r. Tech engineering mechanics handwritten class notes for mechanical engineering and gateiespsu examination in pdf format. His teaching interests are basic and applied thermodynamics, gas dynamics, aircraft propulsion and fluid mechanics.
Introduction often materials are subject to forces loads when they are used. In impulse turbines, the number of elliptical halfsized buckets are fitted instead of blades on the rotor hub. Nptel engineering chemical, mechanical and software. Power plant engineering diesel, gas turbine and combined cycle power plants click here to download. Mechanical engineers calculate those forces and material scientists how materials deform elongate, compress, twist or break as a function of applied load, time. Nptel provides elearning through online web and video courses various streams.
Epicyclic gear train nptel pdf automatic transmission has not better fuel economy. The steam jets are directed at the turbines bucket shaped rotor blades where the pressure exerted by the jets causes the rotor to rotate and the velocity of the steam to reduce as it imparts its kinetic energy to the blades. This mechanical energy is then transferred through a drive shaft to operate a machine, compressor, electric generator, or propeller. To what extend in general does a lubricant reduces friction between surfaces.
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Rankine cycle, steam generators and their accessories, performance of boilers and combustion of fuel, high pressure boilers, flow through steam and gas nozzles, different type of steam turbines for power generation and condensers. For turbines, the work is done by the fluid on the rotor, while, in case of pump, compressor, fan or blower, the work is done by the rotor on the fluid element. Nptel mechanical engineering introduction to turbomachines. This course provides a simple understanding of the steam and gas power systems. Mechanical engineering introduction to fluid machines. The nature of the train used depends upon the velocity ratio and the relative position of the axes of shafts. As draw ratio is increased the draw pressure increases. Mechanical engineering engineering fracture mechanics. Whats the relationship between safetyreliability and lubricant e. Of mechanical engineering iit kanpur 12 introduction in todayshigh tech engineering industries, the designersrequirement for the component are stringent, such as. Faculty of mechanical engineering smex1009thermal engineering 3. In these notes we will focus on stationary plants for electric power generation, however, gas turbines are also used as jet engines in aircraft propulsion. Satyamurty from iit kharagpur made available by nptel elearning initiative. Nptel fluid mechanics and turbines ftik usm playground.
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