Consider the following schematic for an experiemental methodology to measure the convection heat transfer coefficient distrubution on...
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Mechanical Engineering
Consider the following schematic for an experiementalmethodology to measure the convection heat transfer coefficientdistrubution on an airfoil. The metal sheathing is supplied with aheat generation rate of 20 * 106 W/m3. Thethickness of the metal sheathing is t = 30 um, and the sheathing'sthermal conductivity is k=25 W/mK. The 30 surface locations wherethe temperatures are measured are spaced evenly at 2mm apart. Themeasured temperatures are listed in the table below.
Location Temperature (degrees C) 1 29.77 2 29.67 3 29.71 4 29.83 5 30.06 6 30.47 7 30.98 8 31.67 9 32.66 10 34.18 11 36.29 12 38.78 13 41.29 14 43.51 15 44.68 16 44.84 17 43.29 18 39.89 19 36.51 20 34.36 21 33.13 22 32.64 23 32.63 24 32.77 25 33.16 26 33.52 27 33.85 28 33.51 29 31.91 30 30.42
Accounting for conduction in the metal sheathing, detemine theconvection heat transfer coefficients at the 30 numberedlocations.
Consider the following schematic for an experiementalmethodology to measure the convection heat transfer coefficientdistrubution on an airfoil. The metal sheathing is supplied with aheat generation rate of 20 * 106 W/m3. Thethickness of the metal sheathing is t = 30 um, and the sheathing'sthermal conductivity is k=25 W/mK. The 30 surface locations wherethe temperatures are measured are spaced evenly at 2mm apart. Themeasured temperatures are listed in the table below.
| Location | Temperature (degrees C) |
| 1 | 29.77 |
| 2 | 29.67 |
| 3 | 29.71 |
| 4 | 29.83 |
| 5 | 30.06 |
| 6 | 30.47 |
| 7 | 30.98 |
| 8 | 31.67 |
| 9 | 32.66 |
| 10 | 34.18 |
| 11 | 36.29 |
| 12 | 38.78 |
| 13 | 41.29 |
| 14 | 43.51 |
| 15 | 44.68 |
| 16 | 44.84 |
| 17 | 43.29 |
| 18 | 39.89 |
| 19 | 36.51 |
| 20 | 34.36 |
| 21 | 33.13 |
| 22 | 32.64 |
| 23 | 32.63 |
| 24 | 32.77 |
| 25 | 33.16 |
| 26 | 33.52 |
| 27 | 33.85 |
| 28 | 33.51 |
| 29 | 31.91 |
| 30 | 30.42 |
Accounting for conduction in the metal sheathing, detemine theconvection heat transfer coefficients at the 30 numberedlocations.
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