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スロットルバルブ前後の管径変化が流体に与える影響

2015-11-20View Original

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スロットルバルブの出口管の直径は、一般的に入口管の直径よりも少し太くなっていますが、このように設計されている理由は何でしょうか?ガスを膨張させて冷却する?それとも、単に体積流量を増やすためだけなのか?それとも、その気化率を高めて熱を吸収し、温度を下げるためか?解を求める

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