Answer
Maɓuɓɓugan ruwan raƙuman raƙuman ruwa sun ƙunshi juzu'i da yawa da aka naɗe su a layi daya (tallafi) maimakon ƙarshen-zuwa-ƙarshe. Jimlar nauyin $P_{jimla}$ na maɓuɓɓugar ruwa shine $P_{guda} \ lokuta n$, inda $n$ shine adadin juyi, yana ɗaukan jujjuyawa akai-akai. Wannan saitin yana ba da ƙimar bazara mai girma a cikin sararin radial iri ɗaya idan aka kwatanta da ƙirar ƙira-zuwa-crest. A inji, babban bambanci yana cikin hulɗar da ke tsakanin juyawa; maɓuɓɓugan maɓuɓɓugan ruwa suna nuna mafi girman juzu'i na ciki da ƙwanƙwasa saboda abubuwan da ke zamewa da juna yayin karkacewa. Wannan tasirin damping na iya zama da fa'ida a cikin majalissar riko na motoci don rage girgiza, amma dole ne a sanya shi cikin lissafin lodi ta amfani da madaidaicin juzu'i $ \ mu$ yawanci jere daga 0.05 zuwa 0.1 dangane da lubrication.
