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What is positive axial displacement of steam turbine?
axial shift of a steam turbine is the shifting of turbine rotor in the forward and backward direction due to steam thrust on blades of rotor.
What is the purpose of fixing a dummy piston and cylinder in steam turbine rotor?
Dummy piston is provided to oppose the axial thrust generated (in the direction of steam) due to incoming steam.
What is basic principle Steam power plant?
There's a boiler which produce steam. Steam drives/turns the turbine. The turbine is connected to the alternator rotor via a shaft. Turning the rotor then generate electricity.
What is difference between radial flow turbine and axial flow turbine?
in a radial flow turbine the steam enters the turbine in the direction of its radius and leaves it in the direction of the axis of the shaft. in a axial flow turbine the steam enters the turbine in the direction of the axis of the shaft and leaves the turbine in the same direction.
How many stages of steam turbine rotor?
It depends upon megawatt of turbine & design of blades.
Why LP turbine rotor expansion is more than casing?
In a low-pressure (LP) turbine, the rotor expansion is greater than the casing due to the design and operational conditions of the turbine. The rotor experiences a significant drop in pressure and temperature as steam expands through the turbine stages, resulting in a larger volumetric increase compared to the casing, which is designed to contain the steam flow with minimal expansion. This difference allows for efficient energy extraction from the steam, optimizing the turbine's performance while maintaining structural integrity in the casing. Overall, the rotor's greater expansion accommodates the dynamic changes in steam properties as it moves through the turbine system.
What are the parts of steam turbine?
Steam turbine is a machine that extracts thermal energy from pressurized steam. It is made up of casing essential to which the blades are attached onto it and a rotor that carries the moving blades.
What to do about turbine rotor differential expansion?
my LP turbine differential expansion increase ,when rated gland steam temperature maintain.
What are the key components and functions depicted in a steam turbine diagram?
A steam turbine diagram typically shows key components such as the rotor, blades, casing, and steam inlet/outlet. The functions depicted include the conversion of steam energy into mechanical energy, which drives the rotor to generate electricity or power machinery.
Which direction does a GE steam turbine rotate?
Counter Clockwise
Show and label the components of the Hayward-Tyler-Terry steam turbine?
The Hayward-Tyler-Terry steam turbine consists of several key components: the rotor, which houses the blades that convert steam energy into mechanical energy; the stator, which contains stationary blades that guide the steam flow; the nozzle, where steam expands and accelerates before entering the rotor; and the bearings, which support the rotor and allow it to spin. Additionally, the casing encloses the turbine, maintaining pressure and directing steam flow. Together, these components work to efficiently convert thermal energy from steam into rotational energy.
Why is multistage used in steam turbine?
multistage is used because the expansion of high pressure steam will be gradual and as a result the rotor wont vibrate.suppose we have only 1 stage of blades in a turbine, hence all the steam will expand in the given stage and the speed of the rotor will be in high range around 30,000m/s, which is very difficult to control and operate the turbine.
