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Basics of Fluid Mechanics, 2014a

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14 CHAPTER 1. INTRODUCTION TO FLUID MECHANICS<br />

coefficients<br />

❵❵❵❵❵❵❵❵❵❵❵❵<br />

Material<br />

Chemical<br />

formula<br />

Sutherland T iO [K] μ 0 (N sec/m 2 )<br />

ammonia NH 3 370 527.67 0.00000982<br />

standard air 120 524.07 0.00001827<br />

carbon dioxide CO 2 240 527.67 0.00001480<br />

carbon monoxide CO 118 518.67 0.00001720<br />

hydrogen H 2 72 528.93 0.0000876<br />

nitrogen N 2 111 540.99 0.0001781<br />

oxygen O 2 127 526.05 0.0002018<br />

sulfur dioxide SO 2 416 528.57 0.0001254<br />

Table -1.1. The list for Sutherland’s equation coefficients for selected materials.<br />

Substance<br />

Chemical<br />

formula<br />

Temperature<br />

T [ ◦ C]<br />

Viscosity [ N sec<br />

m 2 ]<br />

i − C 4 H 10 23 0.0000076<br />

CH 4 20 0.0000109<br />

CO 2 20 0.0000146<br />

oxygen O 2 20 0.0000203<br />

mercury vapor Hg 380 0.0000654<br />

Table -1.2. Viscosity <strong>of</strong> selected gases.

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