Official Answer
Answer
Kamar yadda igiyar ruwa ke matsawa daga tsayinsa kyauta $H_f$ zuwa tsayayyen tsayinsa $H_s$, tãguwar ruwa sun karkata, yana sa matsakaicin diamita $D_m$ ya faɗaɗa. Wannan faɗaɗawar radial za a iya kusantar ta $ riangle OD = 0.045 imes _x000c_rac{w^2 imes f}{D_m}$, inda $w$ shine tsayin igiyar ruwa kuma $f$ shine jujjuyawar kowane igiyar ruwa. A cikin madaidaicin bawul ɗin sararin samaniya, yin watsi da wannan faɗaɗa yana haifar da 'ɗaurin ɗauri,'inda bazara OD ta tsoma baki tare da ID na gidaje. Wannan yana haifar da juzu'i na parasitic, hysteresis a cikin jujjuyawar lodi, da yuwuwar galling inji. Dole ne injiniyoyi su ƙididdige rabon izini, yawanci suna tabbatar da gidaje $ID> OD_{max}$ a cikakken tsayin aiki.
