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Engineering Resources.

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Air thermodynamic properties

Temp.


oC		 Density


kg/m3		 Specific heat


KJ/kgK		 Thermal conductivity

W/moK		 Kinematic viscosity

m2/s x 106		 Expansion coefficient

l/K x 103		 Prandtl's number

Pr
-150 2,793 1,026 0,0116 3,08 8,21 0,76
-100 1,980 1,009 0,0160 5,95 5,82 0,74
-50 1,534 1,005 0,0204 9,55 4,51 0,725
0 1,293 1,005 0,0243 13,30 3,67 0,715
20 1,205 1,005 0,0257 15,11 3,43 0,713
40 1,127 1,005 0,0271 16,97 3,20 0,711
60 1,067 1,009 0,0285 18,90 3,00 0,709
80 1,000 1,009 0,0299 20,94 2,83 0,708
100 0,946 1,009 0,0314 23,06 2,68 0,703
120 0,898 1,013 0,0328 25,23 2,55 0,70
140 0,854 1,013 0,0343 27,55 2,43 0,695
160 0,815 1,017 0,0358 29,85 2,32 0,69
180 0,779 1,022 0,0372 32,29 2,21 0,69
200 0,746 1,026 0,0386 34,63 2,11 0,685
250 0,675 1,034 0,0421 41,17 1,91 0,68
300 0,616 1,047 0,0454 47,85 1,75 0,68
350 0,566 1,055 0,0485 55,05 1,61 0,68
400 0,524 1,068 0,0515 62,53 1,49 0,68

 

       Data from VDI WarmeAtlas 1974.

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