Free Access

Fig. 5


Variation of with Td for constant values of . The dashed line corresponds to a mean Td = 19.6 K and for the best-fit value of . The two dotted line lines correspond to a change in Td of ±2 K about its mean value, resulting in change of value of ±0.05.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.