In regards to the permeability results, the penetration coefficient (Kw) of water penetrating in unsaturated concrete under hydrostatic pressure per DIN 1048 was estimated based on the average depth rather than the maximum depth of penetration.
A penetration coefficient (k) of 7 × 10−4 cm2 s−1 is calculated.
In this study, we carried out a visualization experiment to analyze the penetration behavior of a secondary air jet system as a function of the jet penetration coefficient (C) and momentum flux ratio (J), based on previous research studies.
Based on analysis of parameter changes of moisture characteristic curves and penetration coefficient curves caused by changes in soil structure as a result of mining, as well as the adverse effects on the local environment caused by changes in the vadose zone, it can be concluded that ground fissures and surface subsidence have a large impact on soil water migration.
The results show that samples that were ponded for two days after being conditioned in 35%and7070% RHs (DoS of 40.8% (±0.1%) and 68.8% (±0.5%) respectively) show a 40× and 10× increase respectively in the penetration coefficient over the saturated sample.
Conversely, the speed ski record, one of the fastest non motorized sport on land, seems to have reached its limits after 70 years of technological improvements under major environmental constraints (e.g. air penetration coefficient, snow quality, slope).
In conclusion, the present type of artificial finger could be used to assess contact cooling rates of cold materials with a very high thermal penetration coefficients (over 7200 J m−2 s−1/2 K−1) and at a surface temperature of below −4°C.
Furthermore, since the LBLX model can separately predict the AER for the air infiltration pathway and natural ventilation pathway, its integration with indoor air quality models could support the use of unique pathway-dependent penetration coefficients for certain air pollutants.
The absorption coefficients, the reduced scattering coefficients, the optical penetration depths, the diffusion coefficients, the diffuse reflectance and the shifts of diffuse reflectance of tissue samples at 635, 730, 808, 890 and 980 nm wavelengths vary with a change of wavelength.
The results of measurement showed that the absorption coefficients, the reduced scattering coefficients, the optical penetration depths, the diffusion coefficients, the diffuse reflectance and the shifts of diffuse reflectance of tissue samples at five different wavelengths vary with a change of wavelength.
According to our experimental data, the absorption coefficients, the reduced scattering coefficients, the optical penetration depths, the diffusion coefficients, the diffuse reflectance and the shifts of diffuse reflectance for normal stomach mucosa/submucosa tissues in the cardiac orifice at 635, 730, 808, 890 and 980 nm were determined in vitro.
