840 | Press (mb) | |||||||
-15 | Temp warm wall (°C) | |||||||
-30 | Temp cold wall (°C) | |||||||
1.12 | Wall separation (cm) | |||||||
10 | Total flow (vLPM) | |||||||
0.56 | half wall separation (cm) | 0.7435 | Gamma = Pgd^2/(12RT^2µ) | |||||
31.84 | Cross section area (cm^2) | 980.6 | acceleration of gravity | |||||
0.001168 | Average dry air density (g/cm^3) | 2.87E+06 | gas constant for dry air | |||||
5.23 | Average velocity (cm/s) | 273.16 | deg C to deg K | |||||
-15.00 | wall temp difference (Tc - Tw) | |||||||
250.66 | Average temp K | |||||||
Distance from cold wall (cm) | Z = distance from center | temp(°C) | dynamic viscosity | parabolic | (Z/d)^3 - Z/d) | buoyancy | sum | Fractional distance from cold wall |
0.00 | -0.56 | -30.00 | 1.568E-04 | 0.00 | 0.000 | 0.00 | 0.00 | 0.00 |
0.06 | -0.50 | -29.25 | 1.572E-04 | -1.49 | 0.171 | -1.95 | -3.44 | 0.05 |
0.11 | -0.45 | -28.50 | 1.576E-04 | -2.83 | 0.288 | -3.27 | -6.10 | 0.10 |
0.17 | -0.39 | -27.75 | 1.579E-04 | -4.00 | 0.357 | -4.05 | -8.05 | 0.15 |
0.22 | -0.34 | -27.00 | 1.583E-04 | -5.02 | 0.384 | -4.34 | -9.37 | 0.20 |
0.28 | -0.28 | -26.25 | 1.587E-04 | -5.89 | 0.375 | -4.23 | -10.12 | 0.25 |
0.34 | -0.22 | -25.50 | 1.591E-04 | -6.60 | 0.336 | -3.78 | -10.38 | 0.30 |
0.39 | -0.17 | -24.75 | 1.594E-04 | -7.14 | 0.273 | -3.07 | -10.21 | 0.35 |
0.45 | -0.11 | -24.00 | 1.598E-04 | -7.54 | 0.192 | -2.15 | -9.69 | 0.40 |
0.50 | -0.06 | -23.25 | 1.602E-04 | -7.77 | 0.099 | -1.11 | -8.88 | 0.45 |
0.56 | 0.00 | -22.50 | 1.606E-04 | -7.85 | 0.000 | 0.00 | -7.85 | 0.50 |
0.62 | 0.06 | -21.75 | 1.609E-04 | -7.77 | -0.099 | 1.10 | -6.67 | 0.55 |
0.67 | 0.11 | -21.00 | 1.613E-04 | -7.54 | -0.192 | 2.13 | -5.41 | 0.60 |
0.73 | 0.17 | -20.25 | 1.617E-04 | -7.14 | -0.273 | 3.02 | -4.12 | 0.65 |
0.78 | 0.22 | -19.50 | 1.621E-04 | -6.60 | -0.336 | 3.71 | -2.88 | 0.70 |
0.84 | 0.28 | -18.75 | 1.624E-04 | -5.89 | -0.375 | 4.13 | -1.75 | 0.75 |
0.90 | 0.34 | -18.00 | 1.628E-04 | -5.02 | -0.384 | 4.22 | -0.80 | 0.80 |
0.95 | 0.39 | -17.25 | 1.632E-04 | -4.00 | -0.357 | 3.92 | -0.09 | 0.85 |
1.01 | 0.45 | -16.50 | 1.636E-04 | -2.83 | -0.288 | 3.15 | 0.33 | 0.90 |
1.06 | 0.50 | -15.75 | 1.639E-04 | -1.49 | -0.171 | 1.87 | 0.38 | 0.95 |
1.12 | 0.56 | -15.00 | 1.643E-04 | 0.00 | 0.000 | 0.00 | 0.00 | 1.00 |