Table 1.
Mathematical symbols given in the order they are introduced in this paper.
| Symbol | Meaning | Units |
|---|---|---|
| I(t) | Light Intensity Detected in a Given Instant | − |
| t | Time | s |
| DAB | Diffusion Coefficient | cm²⋅s−1 or m²⋅s−1 |
| u | Flow Velocity | cm⋅s−1 |
| w | Light Source Beam Radius | cm |
| G2 | Autocorrelation Function of I(t) | − |
| τ | Arbitrary Delay Time | s |
| α and β | Fitting Parameters | − |
| Γm | Decay Rate of the Autocorrelation | s−1 |
| q | Magnitude of the Light Scattering Vector | cm−1 |
| k | Boltzmann Constant | m²⋅kg⋅s−2⋅K−1 |
| T | Temperature | K |
| a | Average Diameter of Particles | m |
| μB | Dynamic Viscosity of the Fluid | kg⋅m−1⋅s−1 |
| G1 | Field Autocorrelation Function of IR | − |
| K2, K3, … | Moments of Distribution of Decay Rates | s−2, s−3, … |
| Pe | Peclet Number | − |
| L | Characteristic Length of the Flow | cm |
| IR | Reference Light Intensity | − |
| c | Coupling Coefficient | − |
| nc | Refractive Index of the Fiber Core | − |
| ns | Refractive Index of the Sample | − |
| h(t) | Height from the Bottom to the Clarified Zone | cm |
| hi | Initial Value of h(t) | cm |
| Ci | Initial Concentration of Nanoparticles | g⋅L−1 or % (mass per mass) |
| C(t) | Instant Concentration of Nanoparticles | g⋅L−1 or % (mass per mass) |
| σ | Standard Deviation of the Collected Signals | − |
| μ | Mean Value of the Collected Signals | − |