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Classical Physics
Mechanics
Filling a rigid tire from a pressure regulated compressed air line
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[QUOTE="Baluncore, post: 6635936, member: 447632"] In the equivalent RC network, yes. Where the flow rate is proportional to the pressure difference, the flow must approach zero at an exponentially decaying rate. The time constant can be computed, or you can compute the "time to half pressure", but a perfect equality is never possible. It is possible, with a largely unrestricted airflow, for air mass momentum to overshoot equality. It is also possible for the air to cool as it is transferred, before later warming to satisfy or exceed pressure equality. Thermal diffusion of air molecules will at some time drive it beyond equilibrium in a random walk. [/QUOTE]
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Filling a rigid tire from a pressure regulated compressed air line
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