neagtive head loss

[Miguel_l_e]

hello, I have a question, checking my hydraulic reports, I always find negative head losses, how are you interprtean this head losses.Thank you.
regards
Miguel.

[jovivier]

Hi Miguel,

The "Headloss" column reports head change from one point to another point. Negative headloss is a gain in head between the 1st point (P1)and 2nd point (P2).

If P1 is downstream and P2 is upstream then the change in head will also be reported as a negative headloss.

Jo

[Miguel_l_e]

thanks