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Mabaka a ts'ebeliso e sa tšoaneleheng ea thermocouple

2021-10-08

Ho ea kathermocoupleindexing nomoro B, S, K, E le mocheso o mong oa thermocouple o tsamaellanang le boleng ba millivolt (MV), ka mocheso o ts'oanang, palo ea index ea millivolt e hlahisoang (MV) B ke e nyane ka ho fetisisa, nomoro ea index ea S ke e nyane haholo, K index. palo e kholoanyane, nomoro ea index ea E ke eona e kholo ka ho fetisisa, latela molao-motheo ona ho ahlola.


Li-thermocouples tse tšoanelehang ka tlhahlobo le netefatso ha li tšoanelehe ho sebelisoa. Ketsahalo ena ha e tsejoe ebile ha e e-s'o tsose tlhokomelo ea batho. Ketsahalo e sa tšoanelehang ts'ebetsong ea thermocouple e bakileng netefatso e bakoa haholo ke tšusumetso ea inhomogeneity ea terata ea thermocouple, phoso ea shunt ea thermocouple e hlometseng le tšebeliso e fosahetseng ea thermocouple. Mohlophisi oa marang-rang oa thuto ea motlakase o hlalosa sephiri se hlahang sehloohong sena.


Tšusumetso ea inhomogeneity ea terata ea thermocouple â ‘The material ofthermocoupleha e lumellane. Ha thermocouple e hlahlojoa ka phapusing ea ho lekanya, ho latela litlhoko tsa melaoana, botebo ba ho kenella ka seboping sa netefatso ea thermocouple ke 300mm. Ka hona, sephetho sa netefatso ea thermocouple ka 'ngoe se ka bonts'a kapa haholo-holo se bonts'a terata ea banyalani ba bolelele ba 300nm ho tloha pheletsong ea litekanyo. Boitšoaro ba motlakase. Leha ho le joalo, ha bolelele ba thermocouple bo le telele, likhoele tse ngata li sebakeng sa mocheso o phahameng nakong ea ts'ebeliso. Haeba terata ea thermocouple e na le bonngoe 'me e sebakeng se nang le mocheso oa mocheso, karolo ea eona e tla hlahisa matla a motlakase. Matla ana a motlakase a bitsoa matla a likokoana-hloko, 'me phoso e bakoang ke matla a likokoana-hloko e bitsoa phoso e ts'oanang.


Inhomogeneity eathermocoupleterata kamora tšebeliso. Mabapi le tse sa tsoa etsoathermocouple, esita le haeba ts'ebetso e fapaneng e finyella litlhoko, ts'ebetso e pheta-phetoang le ho khumama ho tla etsa hore thermocouple e hlahise ho sotha ts'ebetso, 'me e tla lahleheloa ke homogeneity ea eona. Ho feta moo, thermocouple e tla lahleheloa ke homogeneity ha e sebelisoa nako e telele tlas'a mocheso o phahameng. Ho senyeha ha matla a motlakase a motlakase ho bakile phetoho. Ha karolo ea ho senyeha e le sebakeng sa sebaka se nang le mocheso oa mocheso, e tla boela e hlahise matla a motlakase a parasitic a phahametseng matla a thermoelectromotive kaofela 'me a hlahise phoso ea tekanyo.
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