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2 cards from this section. Quick, good the night before a test.
What type of energy do steam turbines convert?
Think about what steam does in the turbine.
Which type of turbine fully expands steam in stationary nozzles?
Consider the function of nozzles in the turbine.
What is the main operating principle of impulse turbines?
Focus on how steam is utilized in turbines.
True or False: Reaction turbines have no pressure drop across the blades.
Remember the function of each turbine design.
An impulse turbine has a mass flow rate of 5 kg/s, with whirl components of velocity: Vw1 = 20 m/s and Vw2 = 15 m/s. Calculate the work output using the equation W = m(Vw1 + Vw2)u. Assume blade speed u = 10 m/s.
Make sure to sum the whirl components before multiplying by mass flow rate and blade speed.
Discuss the impact of mechanical complexity introduced by velocity compounding. How might this affect maintenance and performance of turbines in an industrial setting?
Think about how more components could lead to more points of failure.
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