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A pure reaction turbine is often not used because it relies solely on the pressure change of the fluid to generate power, which can limit its efficiency and adaptability in varying flow conditions. Additionally, pure reaction turbines typically require a constant and stable flow, making them less suitable for applications with fluctuating water levels or inconsistent supply. Furthermore, they can be more complex to design and maintain compared to mixed or impulse turbines, which can handle a broader range of operational conditions more effectively.
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How steam turbines be classified?
1) Impulse turbine 2) reaction turbine
What are the two basic types of steam turbines?
impulsive turbine reaction turbine
What is a advantages and disadvantages of Francis turbine?
The inward flow reaction turbine having radial discharge at outlet is called Francis turbine
Is an impulse turbine makes use of draft tube?
No, an impulse turbine does not make use of a draft tube. In impulse turbines, the water is directed through nozzles to create high-velocity jets that strike the turbine blades, causing them to spin. Since the pressure is atmospheric at the exit of the turbine, a draft tube is not required to recover pressure or energy, as it is in reaction turbines.
Why is nozzle control governing not employed a reaction turbine?
in reaction turbine pressure compounding is employed as every stage has a set of nozzle ring nozzle control is not feasible.
Comparison between impulse and reaction turbines?
in the case of impule turbine total energy at inlet is kinetic energy and in case reaction turbine energy at inlet is kinetic and pressure......
What is the equation of reaction turbine?
Torque=pQ(Vt1R1 - Vt2r2)
What type of blades Parson's reaction turbine has?
only moving blades
How is nuclear energy converted for use of people?
Nuclear energy consists of fissile material placed in a "pile." The heat from the reaction converts water into steam. This steam in turn drives a turbine. The turbine connects to a wire that spins inside magnets.
How does the concentration of a pure liquid change throughout the course of a reaction?
The concentration of a pure liquid does not change throughout the course of a reaction since it is not involved in the reaction itself. The concentration of a pure liquid remains constant because its molecules do not participate in the reaction.
What is steam velocity in turbine?
That is how fast the steam is actually moving in the turbine. For impulse turbines it is twice as fast as the turbine blades. In reaction turbines it is the same speed as the blades. Because the blades of a turbine cannot move faster than 4500 feet per second without self destructing as it overcomes the centripetal force of the turbine wheels, the steam turbine is designed such that no turbine will exceed more than ~1150 feet per second on its tip speed. Thus the steam velocity through the turbine will be less than ~1150 fps for a reaction turbine and less than ~2300 fps for an impulse turbine, or about ~1570 mph, more than twice the speed of sound.
What does wind turbine help?
a wind turbine generates electricity for or use
