Engineering, 23.05.2020 02:01 kayonapretty14p45995
Air at 200 kPa, 528C, and a velocity of 355 m/s enters an insulated duct of varying cross-sectional area. The air exits at 100 kPa, 82°C. At the inlet, the cross-sectional area is 6.57 2 c m 2 .
Answers: 3
![m\left [\left (h_1-h_2 \right )+\frac{v_1^2-v_2^2}{2} \right ]=0](/tpl/images/0662/8536/aca89.png)
![\sigma_{cv}=m[S_2-S_1-R\;ln(\frac{P_2}{P_1}) ]](/tpl/images/0662/8536/d70a6.png)
![=1.17\left[1.871255-1.78249-0.287\;ln\left(\frac{100}{200} \right)\right]](/tpl/images/0662/8536/60410.png)
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Air at 200 kPa, 528C, and a velocity of 355 m/s enters an insulated duct of varying cross-sectional...
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