Introduction
Experimental set-up
Technique used | Speckle pattern from masking |
Pitch | 2 mm |
Speckle size | 5–8 pixels |
Subset | 21 × 21 |
Step size | 3 |
Measurement points | 944 |
Camera | 12-bit 1024 × 1024 Photron FASTCAM SA1.1 |
Field of view | 300x300mm (approx.) |
Focal length | 600 mm (approx.) |
Displacement | |
Resolution | 1.875 μm, 0.01 pixels |
Strain | |
Correlation method | Incremental |
Smoothing method | Gaussian filter, 15 |
Process data acquisition
Design of Experiments
Preform design & material
Material temperature
Material temperature (°C) | Thermal conductivity (W/mK) | Specific heat capacity (J/kgK) | Heat transfer coefficient (cooling) (W/m2K) |
---|---|---|---|
90 | 0.160 | 1601.40 | 9.42 |
115 | 0.143 | 1677.13 | 12.99 |
Air flow rate
Temperature (°C) | Flow index | ||
---|---|---|---|
2 | 4 | 6 | |
95 | N2 T95 | N4 T95 | N6 T95 |
100 | N2 T100 | N4 T100 | N6 T100 |
105 | N2 T105 | N4 T105 | N6 T105 |
110 | N2 T110 | N4 T110 | N6 T110 |
115 | N2 T115 | N4 T115 | N6 T115 |