Official Answer
Answer
Kamar yadda igiyar ruwa ke matsawa, raƙuman ruwa suna karkata, yana haifar da faɗaɗa matsakaicin matsakaicin $D_m$. An bayyana wannan haɓaka ta $\Delta D = α · f$, inda $α$ shine haɓakar haɓakawa kuma $ f$ shine jujjuyawar. Don maɓuɓɓugar ruwa da ke aiki a cikin rami, dole ne izinin farko ya isa don hana bazara daga ɗaure. Idan ɗaurin ya faru, ƙimar bazara $k$ yana ƙaruwa da yawa, yana haifar da halayen nauyin da ba za a iya faɗi ba da yuwuwar gazawar gajiya a magudanar ruwa. Lissafin mafi ƙarancin diamita $D_b$ yakamata ya zama $D_b> D_{outer} + \frac{0.02 · (H_f - H_o) · n^2}{D_m}$, inda $H_f$ shine tsayin kyauta kuma $H_o$ shine tsayin aiki. Wannan yana tabbatar da cewa bazara ta kasance 'kyauta-tasowa' a cikin duka bugun jini.
