Vim li cas thiaj siv schlieren photography?

Cov txheej txheem:

Vim li cas thiaj siv schlieren photography?
Vim li cas thiaj siv schlieren photography?
Anonim

Schlieren kev yees duab yog txheej txheem pom kev uas yog siv los yees duab cov dej ntws ntawm qhov sib txawv. Tsim los ntawm German physicist lub yim hli ntuj Toepler nyob rau hauv 1864 los kawm supersonic motion, nws yog dav siv nyob rau hauv aeronautical engineering los yees duab cov ntws ntawm huab cua nyob ib ncig ntawm cov khoom.

Lub hom phiaj ntawm Schlieren imaging yog dab tsi?

Schlieren systems yog siv los pom qhov ntws tawm ntawm qhov chaw ntawm ib qho khoom. Cov kab ke schlieren qhia hauv daim duab no siv ob daim iav concave ntawm ob sab ntawm qhov ntsuas ntawm qhov cua qhov. Lub teeb mercury vapor los yog lub qhov sib txawv ntawm qhov hluav taws xob yog siv los ua lub teeb ci ci.

Schlieren imaging yog dab tsi thiab yuav siv tau li cas hauv kev kho mob science?

Schlieren duab rau kev kawm ntawm atmospheric siab plasmas. Schlieren imaging ntawm atmospheric siab plasmas yogcov txheej txheem muaj zog los hais txog cov kev tshawb fawb tseem ceeb hais txog lawv cov dej-dynamics nrog rau kev kawm, tus yam ntxwv thiab txhim kho cov txheej txheem pab los ntawm lawv.

Kev teeb tsa schlieren yog dab tsi?

Ib schlieren teeb yog ze li zoo ib yam ntawm cov duab ntxoov ntxoo tab sis nrog ntxiv ntawm riam ntug ntawm qhov chaw focal ntawm lub lens thib ob lossis daim iavraws li pom hauv daim duab 4. Tus nqi ntawm lub teeb thaiv los ntawm riam ntug feem ntau hu ua "cutoff." Daim duab 4: Schematic ntawm ib tug raug schlieren teeb.

Dab tsi yog lub cev tshwm sim ntawm Schlierenduab yog raws li?

3 Txoj Cai Kho qhov muag

Lub hauv paus ntawm lub cev rau schlieren imaging tshwm sim los ntawm Snell's Law, uas hais tias lub teeb qeeb thaum muaj kev cuam tshuam nrog teeb meem. Yog hais tias cov xov xwm yog homogeneous, xws li hauv lub tshuab nqus tsev, los yog qhov chaw, lub teeb mus sib xws, ntawm qhov nrawm nrawm.

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