Tsib yam ntxwv ntawm far-infrared hluav taws xob cua sov

Tsib yam ntxwv ntawm far-infrared hluav taws xob cua sov

Cov khoom ntawm far-infrared hluav taws xob cua sov

Lub wavelength ntau ntawm 0.76 mus rau 400 microns nyob rau hauv lub spectrum hu ua infrared, uas yog pom tsis tau. Txhua yam khoom saum toj kawg nkaus xoom (-273 degree) tuaj yeem tsim hluav taws xob infrared. Niaj hnub nimno physics hais txog nws li thermal rays.

Infrared tuaj yeem muab faib ua ob pawg: ze-infrared thiab far-infrared. Nyob ze infrared, tseem hu ua shortwave infrared, muaj lub wavelength ntawm 0 76-1.5 microns thiab nkag mus tob rau hauv tib neeg cov ntaub so ntswg, txog 5-10 millimeters; Far infrared, tseem hu ua ntev nthwv dej infrared, muaj lub wavelength ntawm 1.

Cov yam ntxwv ntawm lub cev ntawm far-infrared hluav taws xob cua sov

1. Muaj cov nyhuv thermal

2. Muaj peev xwm nkag mus rau huab cua thiab huab cua (nrog ntev wavelengths thiab yooj yim diffraction)

Cov yam ntxwv ntawm Far Infrared Hluav Taws Xob Hluav Taws Xob

1. Cov khoom uas muaj cov yam ntxwv sib txawv tso tawm cov yam ntxwv sib txawv infrared (wavelengths), thiab infrared nrog cov yam ntxwv sib txawv tau yooj yim tau txais los ntawm cov khoom uas muaj cov yam ntxwv zoo ib yam - uas yog, infrared emitted los ntawm cov khoom siv tau yooj yim absorbed los ntawm cov khib nyiab thiab tsis yooj yim absorbed los ntawm gases.

2. Cov ntaub ntawv ntawm kev hloov hluav taws xob muaj xws li hluav taws xob, conduction, thiab convection.

3. Lub zog thermal ntawm cov hluav taws xob hluav taws xob nyob deb-infrared feem ntau yog xa mus rau hauv daim ntawv ntawm hluav taws xob ntawm qhov kub thiab txias (90%), thiab nws cov hluav taws xob siv hluav taws xob yog proportional rau plaub lub zog ntawm qhov kub thiab txias.

Lub peev xwm nqus ntawm cov hluav taws xob hluav taws xob hluav taws xob ncaj qha ncaj qha rau ntawm qhov chaw blackness ntawm cov khoom rhuab.

5. Siv lub tshuab hluav taws xob nyob deb-infrared, thermal conductivity ntawm cov khoom rhuab yog ncaj qha proportional rau qhov kub thiab txias gradient (nyob rau saum npoo thiab sab hauv ntawm cov khoom) thiab inversely proportional rau thermal kuj.

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