Vim li cas ultrasonic nthwv dej siv hauv suab nrov?

Cov txheej txheem:

Vim li cas ultrasonic nthwv dej siv hauv suab nrov?
Vim li cas ultrasonic nthwv dej siv hauv suab nrov?
Anonim

Ultrasonic nthwv dej yog siv vim lawv tuaj yeem nkag mus tob rau hauv dej yam tsis poob lawv lub zog. Vim tias lawv qhov zaus ntawm 20Hz txog 20,000Hz, lawv tuaj yeem hnov. Ib qho ntawm cov kev siv suab nrov yog nrhiav qhov tob ntawm lub hiav txwv thiab nrhiav txoj hauj lwm ntawm cov khoom hauv qab dej.

Vim li cas ultrasonic tsis siv hauv Echo Ranging lossis sonar?

Sonar (suab navigation thiab ntau yam) muaj cov ntawv thov dej hiav txwv dav. Ib qho ntawm qhov zoo ntawm ultrasonic nthwv dej dhau lub suab nthwv dej hauv cov ntawv thov hauv qab dej yog tias, vim tias lawv cov zaus ntau dua (lossis luv dua wavelengths),tus qub yuav taug kev ntau dua nrog kev sib txawv tsawg. …

Lub suab twg muab ib qho siv lub suab sib txawv?

a txheej txheem los txiav txim qhov kev ncua deb ntawm ib qho taw tes thiab qhov chaw ntawm lub suab los ntawm kev ntsuas lub sij hawm lapse ntawm lub hauv paus ntawm lub suab thiab nws tuaj txog ntawm qhov point.

Peb siv dab tsi rau ultrasonic nthwv dej?

Ultrasonic nthwv dej yog siv rau cov laj thawj hauv qab no

  • Ultrasonic flaw detection.
  • Kev txiav thiab sib piv ntawm cov ntaub ntawv nyuaj.
  • Ultrasonic soldering thiab vuam.
  • ntsuas cov khoom siv ntws.
  • Kev siv tshuaj.
  • Cov nyhuv thermal.
  • Ultrasonic txhais tau tias kev sib txuas lus.

Dab tsi yog ultrasonic nthwv dej muab nws qhov ntau zaus?

NyobTib neeg pob ntseg tuaj yeem hnov cov suab nrov ntawm zaus xws li 20 Hz txog 20 kHz. Cov nthwv dej ntawm qhov ntau zaus no hu ua audible waves. Lub suab nthwv dej uas muaj zaus ntau dua li qhov txwv siab tshaj ntawm cov suab nrov (piv txwv li, siab dua 20 kHz) yog hu ua ultrasonic lossis supersonic nthwv dej.

Pom zoo: