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Which energy dissipation grows as Stirling engine speed decreases?

A)Thermal conduction losses intensify
B)Regenerator matrix pressure drop increases
C)Mechanical friction rapidly diminishes
D)Cyclical hysteresis significantly accelerates

💡 Explanation

Slower engine speeds permit more time for heat to conduct through the engine materials because THERMAL CONDUCTION dominates at lower cycle frequencies; therefore thermal loss increases, rather than pressure losses or hysteresis, which are less impacted near-static conditions.

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