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colormax新蟲 (小有名氣)
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[求助]
求幫解個國外流體力學(xué)部分的考題 已有1人參與
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有沒有好心人幫解個國外機械系流體力學(xué)部分的考題,答案知道了,求過程,中英文解答均可,謝謝了! B1. A stream of air enters a diverging duct with a Mach number of 2.0, a static pressure of 200 kPa, and a static temperature of 350 K. The area of the duct inlet is A1=0.25 m2 and the area of the exit is Ae=0.6 m2. (a) Determine the pressure at the duct exit if the flow is entirely isentropic. (答案:45.6kPa) (b) The exit pressure is now increased and a normal shock wave forms at a location in the duct where the cross section area is A2=0.35 m2. Determine the new exit pressure. 答案:813kPa |
新蟲 (初入文壇)
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