Open Access

Fig. 4


Download original image

Temperature drop at different soil temperatures and hydrogen blending ratios when pressures at the start and the end of the pipeline are fixed. (a) Soil temperature is 8.4 °C; (b) Soil temperature is 15 °C; (c) Soil temperature is 25.2 °C.

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.