Pipes in your system will have a C-Factor to help determine this loss. This is a measure of the roughness of the interior of the pipe that creates this friction. Different types of piping will have a different C-Factor, and the higher the C-Factor, the smoother the pipe.
A motif is a literary term that is an idea, object, or concept that repeats itself throughout a text. A motif gives clues to theme or reinforces ideas an author wants to emphasize. A motif generally reinforces the theme of the text. A motif must be repeated throughout a text to be considered a motif.
Motif (folkloristics), a recurring element that creates recognizable patterns in folklore and folk-art traditions. Motif (music), a perceivable or salient recurring fragment or succession of notes. Motif (narrative), any recurring element in a story that has symbolic significance or the reason behind actions. Motif (textile arts), a recurring element or fragment that, when joined together, creates a larger work. Motif (visual arts), a repeated theme or pattern.