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 - a design or figure that consists of recurring shapes or colors, as in architecture or decoration. 2. motif - a theme that is repeated or elaborated in a piece of music. 3. motif - a unifying idea that is a recurrent element in literary or artistic work; it was the usual `boy gets girl' theme. theme. idea, thought - the content of cognition; the main thing you are thinking about; it was not a good idea; the thought never entered my mind.