p0804 - M = U RT = 610 m / sec 1015 . 6 m / sec = 0 . 60...

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8.4. CHAPTER 8, PROBLEM 4 909 8.4 Chapter 8, Problem 4 The properties of the four gases are as follows. Gas γ R [J/(kg · K)] T (K) a = γ RT (m/sec) Methane 1.31 518 299.16 450.6 Helium 1.66 2077 299.16 1015.6 Air 1.40 287 273.16 331.3 Air 1.40 287 224.00 300.0 8.4(a): For methane at 26 o C flowing with a velocity of 410 m/sec, M = U γ RT = 410 m / sec 450 . 6m / sec =0 . 91 (transonic) 8.4(b): For helium at 26 o C flowing with a velocity of 610 m/sec,
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Unformatted text preview: M = U RT = 610 m / sec 1015 . 6 m / sec = 0 . 60 (subsonic) 8.4(c): For air at 0 o C flowing with a velocity of 994 m/sec, M = U RT = 994 m / sec 331 . 3 m / sec = 3 . 00 (supersonic) 8.4(d): For air at -49.16 o C flowing with a velocity of 300 m/sec, M = U RT = 300 m / sec 300 m / sec = 1 . 00 (sonic)...
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This note was uploaded on 02/09/2012 for the course AME 309 taught by Professor Phares during the Spring '06 term at USC.

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