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Engineering and Tech / Fundamentals of Fluid Mechanics 7 / Chapter 1 / Problem 1.46

Fundamentals of Fluid Mechanics | 7th Edition | ISBN: 9781118116135 | Authors: Bruce Munson

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The temperature and pressure at the surface of Mars during

Chapter 1, Problem 1.46

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QUESTION:

The temperature and pressure at the surface of Mars during a Martian spring day were determined to be \(-50 ~ ^\circ \mathrm C\) and 900 Pa, respectively. (a) Determine the density of the Martian atmosphere for these conditions if the gas constant for the Martian atmosphere is assumed to be equivalent to that of carbon dioxide. (b) Compare the answer from part (a) with the density of the Earth’s atmosphere during a spring day when the temperature is \(18 ~ ^\circ \mathrm C\) and the pressure 101.6 kPa (abs).

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QUESTION:

The temperature and pressure at the surface of Mars during a Martian spring day were determined to be \(-50 ~ ^\circ \mathrm C\) and 900 Pa, respectively. (a) Determine the density of the Martian atmosphere for these conditions if the gas constant for the Martian atmosphere is assumed to be equivalent to that of carbon dioxide. (b) Compare the answer from part (a) with the density of the Earth’s atmosphere during a spring day when the temperature is \(18 ~ ^\circ \mathrm C\) and the pressure 101.6 kPa (abs).

ANSWER:

(a) The density of the Martian atmosphere for these conditions is 0.0088 kg/m3.

(b) The densi

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