Задача id10731

Compressed air moves through the pipeline (see figure). Absolute air pressure p1 = 0.4 MN/m2, temperature t = 20°C, flow rate Q0 = 0.5 m3/s (flow rate normalized to normal atmospheric conditions). The differential pressure gauge reading is h = 0.4 m. Determine the power consumed by the air flow over a section of length l = 10 m during an isothermal process.

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