How does the water jet interact with the runner before exiting in a cross-flow turbine?

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Physics · Hydraulic Turbines

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The jet enters from the outer periphery, reacts with the blades twice (once inward, once outward), and exits after losing most of its energy.

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Answer 1

The jet is deflected by guide vanes, enters from the side, and exits after a single pass through the runner.

Answer 2

The jet enters from the outer periphery, reacts with the blades twice (once inward, once outward), and exits after losing most of its energy.

Answer 3

The jet strikes the runner buckets once, transfers all its kinetic energy, and exits radially.

Answer 4

The jet flows along the runner's length, exits axially without re-entering, and transfers half its energy.

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