Ƙarfi yana nufin yawan aikin da abu yake yi a cikin raka'a na lokaci, wato iko shine adadin jiki wanda ke bayyana yadda aikin yake da sauri. Adadin aikin yana daidaitawa, ɗan gajeren lokaci, mafi girman ƙimar wutar lantarki. Tsarin neman iko shine: iko = aiki/lokaci. Ƙarfi yana kwatanta adadin jiki na saurin aiki. Aikin da aka yi a cikin raka'a na lokaci ana kiransa iko kuma P.
Ultrasonic iko
A cikin tsarin watsa kalaman sauti, lokacin da aka watsar da igiyar sauti zuwa matsakaiciyar asali ta tsaye, matsakaitan barbashi suna girgiza baya da gaba kusa da ma'aunin ma'auni, suna haifar da matsawa da faɗaɗawa a cikin matsakaici. Ana iya la'akari da cewa raƙuman sauti suna ba da damar matsakaici don samun kuzarin motsin motsi da nakasar ƙarfin kuzari. Ƙarfin sautin da aka samu ta hanyar matsakaici saboda tashin hankali na sauti shine jimillar kuzarin motsin motsi da nakasar ƙarfin kuzari.
Kamar yadda yaduwar raƙuman sauti a cikin matsakaici yana tare da haɓakar makamashi, idan muka ɗauki ƙaramin ƙaramar ƙara (dV) a cikin filin sauti, bari ainihin ƙarar matsakaici ya zama Vo, matsa lamba ya zama po, kuma yawan ya zama ρ0. Ƙarfin motsi na nau'in ƙara (dV) saboda girgiza igiyoyin sauti △ Ek; △Ek=(ρ0 Vo)u2/2
△Ek shine makamashin motsa jiki, J; u shine saurin barbashi, m/s; ρ0 shine matsakaicin yawa, kg/m3; Vo shine ƙarar asali, m3.
Wani muhimmin fasalin duban dan tayi shine ikonsa. Superwave yana da ƙarfi da ƙarfi fiye da raƙuman sauti na yau da kullun. Wannan shi ne daya daga cikin muhimman dalilan da ya sa za a iya amfani da duban dan tayi a wurare da yawa.
Lokacin da raƙuman ruwa na ultrasonic ya kai wani matsakaici, ƙwayoyin matsakaitan matsakaitan suna yin rawar jiki saboda aikin raƙuman ultrasonic, kuma mitar girgiza daidai yake da mitar raƙuman ultrasonic. Mitar girgizar matsakaitan kwayoyin halitta yana ƙayyade saurin girgiza. Mafi girman mita, mafi girma da sauri. Baya ga yawan matsakaitan kwayoyin halitta, makamashin da aka samu ta hanyar girgizar matsakaitan kwayoyin halitta shima yayi daidai da murabba'in saurin girgizar kwayoyin halitta. Saboda haka, mafi girma da mita na ultrasonic taguwar ruwa, mafi girma da makamashi samu ta matsakaicin kwayoyin. Yawan raƙuman ruwa na ultrasonic ya fi yawan mitar raƙuman sauti na yau da kullun, don haka raƙuman ruwa na ultrasonic na iya sa matsakaicin raƙuman ruwa su sami ƙarfi mai yawa, amma tasirin raƙuman sauti na yau da kullun akan ƙananan ƙwayoyin cuta kaɗan ne. A wasu kalmomi, duban dan tayi yana da makamashi fiye da raƙuman sauti, kuma yana iya samar da isasshen makamashi ga matsakaitan kwayoyin halitta.
