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answer: direct
beat: science
source: 1 article · updated: November 6, 2026
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What is active heat Q-switching?

It is a method that stores thermal energy in a counter-flow heat-transfer device, then changes how the flowing streams exchange heat so the outlet receives a short, stronger pulse.

Answered in

Rice’s Heat Q-Switch Stores a Steady Stream for a Brief Burst

Rice engineers built a fluidic device that stores heat as water flows, then releases a thermal pulse. The extra power comes from stored energy.

Crashtech Editorial November 6, 2026 Science

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