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1.4. The coordinates x and y of any thermodynamic chart are of the form x = x(p, a) and y = y(p, a). For example, an ema
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- 1 4 The Coordinates X And Y Of Any Thermodynamic Chart Are Of The Form X X P A And Y Y P A For Example An Ema 1 (32.97 KiB) Viewed 29 times
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- 1 4 The Coordinates X And Y Of Any Thermodynamic Chart Are Of The Form X X P A And Y Y P A For Example An Ema 2 (32.97 KiB) Viewed 29 times
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1.4. The coordinates x and y of any thermodynamic chart are of the form x = x(p, a) and y = y(p, a). For example, an emagram has x = pa/R' = T and y = -R' In p. A true thermodynamic diagram is one whose coordinates (x, y) may be transformed to (p, a) with a Jacobian of unity. That is, a given thermodynamic chart is a true thermodynamic diagram if = 1. (a) Prove that a Stüve diagram is not a true thermodynamic diagram. (b) How would you construct a true thermodynamic diagram with working coordi- nates of temperature and density? Indicate such a diagram schematically and sketch the approximate appearance of isobars and dry adiabats.