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Category > Engineering Posted 30 Apr 2017 My Price 2.00

Consider a large commercial airplane cruising

1. Consider a large commercial airplane cruising at a speed of 1050 km/h in air at an altitude of 10 km where the standard air temperature is 250°C. Determine if the speed of this airplane is subsonic or supersonic.

2. Calculate the critical temperature, pressure, and density of (a) air at 200 kPa, 100°C, and 250 m/s, and (b) helium at 200 kPa, 40°C, and 300 m/s.

 

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Status NEW Posted 30 Apr 2017 08:04 AM My Price 2.00

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file 1493542636-answer1.docx preview (66 words )
1-----------. C-----------ons-----------ide-----------r a----------- la-----------rge----------- co-----------mme-----------rci-----------al -----------air-----------pla-----------ne -----------cru-----------isi-----------ng -----------at -----------a s-----------pee-----------d o-----------f 1-----------050----------- km-----------/h -----------in -----------air----------- at----------- an----------- al-----------tit-----------ude----------- of----------- 10----------- km----------- wh-----------ere----------- th-----------e s-----------tan-----------dar-----------d a-----------ir -----------tem-----------per-----------atu-----------re -----------is -----------250-----------°C-----------. D-----------ete-----------rmi-----------ne -----------if -----------the----------- sp-----------eed----------- of----------- th-----------is -----------air-----------pla-----------ne -----------is -----------sub-----------son-----------ic -----------or -----------sup-----------ers-----------oni-----------c. ----------- 2.----------- Ca-----------lcu-----------lat-----------e t-----------he -----------cri-----------tic-----------al -----------tem-----------per-----------atu-----------re,----------- pr-----------ess-----------ure-----------, a-----------nd -----------den-----------sit-----------y o-----------f (-----------a) -----------air----------- at----------- 20-----------0 k-----------Pa,----------- 10-----------0°-----------C, -----------and----------- 25-----------0 m-----------/s,----------- an-----------d (-----------b) -----------hel-----------ium----------- at----------- 20-----------0 k-----------Pa,----------- 40-----------°C-----------, a-----------nd -----------300----------- m/-----------s. ----------- An-----------swe-----------r ----------- -----------
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