Mathematics · Compressible Flow
एक दिए गए अनुप्रस्थ-काट (cross-section) पर बहती हवा का ठहराव तापमान (stagnation temperature) और स्थैतिक तापमान (static temperature) क्रमशः 400 K और 200 K है। विशिष्ट ऊष्मा का अनुपात γ = 1.4 मानते हुए, प्रवाह की मैक संख्या (Mach number) है:
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