Ultrasonic simba rinoshanda pane yepakati, izvo zvinozoita kuti zvimedu zvidengenyeke nekumhanya kukuru uye kuburitsa shanduko yemagetsi senge kumhanya, kukurumidza, kudzvanywa kwenzwi, uye kusimba kwekurira, nekudaro zvichikonzera mashandiro emagetsi. Ultrasound imhando yemagetsi simba rekuparadzira, iyo ine hukama neiyo wave process uye inoburitsa mutsara mhedzisiro yekuzunguza. Kana iyo ultrasonic wave ichipararira mukati mepakati, kunyangwe iyo amplitude ye particle displacement idiki, kukurumidza kweiyo chidimbu chinokonzerwa ne ultrasonic wave yakakura kwazvo.
Kana iyo 20kHz, 1W/cm2 ultrasonic wave ichipararira mumvura, ruzha rwekudzvanya amplitude inogadzirwa nayo iri 173kPa, zvinoreva kuti ruzha rwekumanikidza amplitude inofanira kuchinja kanosvika zviuru makumi maviri pakati pezvakanaka nezvakaipa 173kPa pasekondi, uye iyo yakanyanya particle kukurumidza Kusvika 1440km iyo inosvika 1250km. simba rinokwevera zvinhu pasi, rakasimba kudaro uye rinokurumidza kushandura mashandiro emuchina ndiyo mechanical vibration mhedzisiro yesimba ultrasound.
Kana iyo ultrasonic medium isiri yunifomu yakaturikidzana svikiro (senge biological tissue, muviri wemunhu, etc.), iyo acoustic impedance yeimwe neimwe layer yemedia ichaita kuti mafungu anonzwika aratidze uye agadzire wave wave. Maantinode nemanodhi emafungu akamira anokonzera kudzvanywa uye kushushikana Uye kukurumidza kuchinja. Sezvo huwandu hweakasiyana midhiya masisitimu (senge biomolecules) akasiyana, iyo vibration kumhanya kunokonzerwa nekudzvanywa shanduko kwakasiyana, uye shanduko yekumanikidza inokonzerwa nehukama hwekufamba pakati pe media particles chimwe chikonzero che ultrasonic mechanical effect. Iyo mechanical effects inoshandisa ultrasound inofanira kugadziriswa (perforation, cutting, compaction, surface kusimbisa, welding, kuchenesa, polishing, uye kubviswa kwemafirimu asingadiwi uye tsvina, nezvimwewo), uye inoshandiswawo kukurumidza kupararira, homogenization, emulsification, uye kupwanya , Sterilization uye mamwe maitiro.
Iyo mechanic effect ye ultrasound yakashandiswa zvakanyanya mukugadzira, uye mienzaniso inotevera.
Mechanical agitation
Ultrasonic yakakwira-frequency vibration uye nemwaranzi kudzvinyirirwa kunogona kuumba nyonganiso inoshanda uye kuyerera mugasi uye mvura. Iyo yakasimba jeti uye yemuno micro-rush inoyerera inogadzirwa necavitation bubble vibration pane yakasimba nzvimbo inogona kuderedza zvakanyanya kusimba kwepamusoro uye kukweshera kwemvura, uye kuparadza iyo yakanamatira layer yeiyo solid-liquid interface, saka haikwanise kusvika kune yakajairwa yakaderera-frequency mechanic agitation. effect. Iyi mhedzisiro ndiyo hwaro hwemuviri hwekushandiswa kwemishonga kuburikidza neganda remunhu, zvigadzirwa zverunako kune ganda remunhu, ultrasonic degassing, chikafu uye cosmetic leveling uye kukwenenzvera.
Kupindirana
Iyo yekumanikidza uye yakanyanya tembiricha mhedzisiro ye ultrasonic vibration uye cavitation inoshandiswa kukurudzira kupindirana kupindirana kwemamorekuru pakati pezvinwiwa zviviri, maviri solids, kana liquid-yakasimba uye liquid-gasi interfaces kugadzira zvinhu zvitsva. Ultrasonic welding yesimbi kana mapurasitiki, ultrasonic emulsification, kuchenesa, atomization inogona kuiswa semhedzisiro yakadaro.
Homogenize
Mushure mokunge cavitation bubbles yakavharwa, iyo yemunharaunda shock wave inogona kupwanya zvimedu zviri mumvura kuti zvive zvakanaka; gadzira yunifomu yekristaro; paradzira madonhwe emukaka mahombe uye asina kuenzana kuita mayunifomu madiki maajenti (akadai semishonga inosiyanisa, mishonga yegomarara, nezvimwewo); Inogona kunyange kusanganisira thrombolysis uye mamwe maitiro.
Kubatana
Ultrasonic vibration inogona kuita iyo yakamiswa zvimedu mugasi uye yemvura yepakati kufamba nekumhanya kwakasiyana, kuwedzera mukana wekudhumhana kwechikamu; kana kushandisa masaisai akamira kuvaita kuti vatarise kune antinodes, saka agglomeration process inoitika. Kuunganidzwa kweguruva muflue nemvura yekugadzira kunowira muchikamu ichi.
Mechanical yekucheka chiito
Nekuda kwekukurumidza kukuru kweiyo ultrasonic vibration uye mhedzisiro yecavitation uye acoustic corrosion, yakakosha uye yakanyatsogadziriswa yezvakaoma uye brittle zvinhu (matombo anokosha, ceramics, girazi, magineti simbi, nezvimwewo) zvinogona kuitwa.
Smash
Iko kushandiswa kwepamusoro-kusimba ultrasound pulses kunogona kupwanya matombo eitsvo uye gallstones mumuviri pasina kukuvadza zvinyoro zvinyoro.
