Answer
K-Factor nigikorwa cyo gukosora gihoraho gikoreshwa muri Smalley cyangwa formulaire yimvura isanzwe kugirango ubare geometrike yumuraba nimbogamizi yibikoresho mugihe cyo gukora. Mugihe igipimo cyamahame ari $ k = \ frac {E b t ^ 3 N ^ 4} {4 D_m ^ 3 n} $, gushyiramo $ K $ bihindura igipimo cya $ D_i / D_o $ hamwe no kugabanuka kudasanzwe kwimyuka. Ku masoko aho igipimo cya diametre nurukuta rwa radiyo ari gito, K-ibintu byishyura ubukana bwiyongereye bitewe no kugabanuka gukabije, byemeza ko umutwaro uteganijwe uhuye namakuru yikizamini nyirizina muri $ \ pm 10 \% $ kwihanganira.