daviTi geleniZe samTo qanebisa da teqnologiuri danadgarebis ...
daviTi geleniZe samTo qanebisa da teqnologiuri danadgarebis ...
daviTi geleniZe samTo qanebisa da teqnologiuri danadgarebis ...
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$1.2.5. plazmatronis eleqtrodebi<br />
K kaTodi aris eleqtruli rkalis ganmuxtvis eleqtronebis<br />
wyaro. is Rebulobs maRal temperaturas el. rkalisagan <strong>da</strong><br />
eleqrtonebi gamoiyofian Termoeleqtronulad. kaToduri laqa anu<br />
adgili sa<strong>da</strong>c el. rkali mTavrdeba kaTodze <strong>da</strong>mokidebulia<br />
kaTodis masalaze, mis gacivebaze <strong>da</strong> rkalis denze. rodesac kaTodi<br />
<strong>da</strong>mzadebulia Zneldnobadi liTonisagan, sakmarisad gacivebulia,<br />
rkali SekumSulia amasTan kaTodis denis simkvrive 100 a/mm 2 -ze metia<br />
<strong>da</strong> is axurebs mxolod kaTodis <strong>da</strong>bolovebas. sxva saxis kaTodebis<br />
SemTxvevaSi el. rkali ga<strong>da</strong>adgildeba kaTodis ze<strong>da</strong>pirze magnituri<br />
velis an grigaluri tipis nakadis meSveobiT, am SemTxvevaSi kaTodi<br />
intensiurad civdeba wyliT.<br />
B tradiciulad kaTods amzadeben volframisagan, Torirebuli<br />
volframisagan, grafitisagan, splenZisagan, cirkoniumisagan <strong>da</strong><br />
hafniumisagan. volframis eleqtrodebi operireben inertul<br />
garemoSi amitom plazmamaformirebel airad iyeneben argons <strong>da</strong><br />
azots. mcire simZlavreebis SemTxvevaSi kaTodis bolos aqvs<br />
konusisFforma, xolo didi simZlavreebis SemTxvevaSi kaTodis<br />
bolos aqvs wakveTili konusis Fforma.<br />
rodesac plazmamaformirebel airad gamoiyeneba haeri<br />
eleqtrodi (kaTodi) mzaddeba hafniumisagan an cirkoniumisagan. am<br />
eleqtrodebis SemTxvevaSi moqmedebis procesSi eleqtrodis<br />
wveroze warmoiqmneba Jangeulis <strong>da</strong>nafari, romelic <strong>da</strong>bal<br />
temperaturebze warmoadgens izolators. amitom aseTi kaTodis<br />
normaluri funqcionirebisaTvis aucilebelia maRali temperatura,<br />
misi Jangeulis dnobis temperaturasTan miaxloebuli temperatura.<br />
araTermoeleqtruli kaTodebi gamoiyenebian didi simZlavreebisa<br />
<strong>da</strong> eleqtrodebis Jangbadis an sxva qimiurad aqtiur garemoSi<br />
funqcionirebisaTvis. isini arian Rru, rgolis an brtyeli formis<br />
<strong>da</strong> kaTodur laqas xelovnurad ga<strong>da</strong>dgileben kaTodis ze<strong>da</strong>pirze<br />
magnituri velebis an meqanikuri (gazis nakadi, eleqtrodebis<br />
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