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Pehea e hoʻoholo ai inā maikaʻi a maikaʻi ʻole ka thermocouple?

2021-10-09

Ke hoʻohana nei i ka hana e lilo i mea nui aʻoi aku ka nui.Thermocoupleua lilo i kekahi o nā mea i ʻike pinepine ʻia ka mahana i ka ʻoihana. Loaʻa iā lākou nā ʻano o ke ana kiʻekiʻe kiʻekiʻe, ke ana ākea ana, ka hana maʻalahi, a me ka hoʻohana maʻalahi. Hoʻomaopopo a kālailai mākou i nā huahana ma o nā kahawai he nui, a hōʻike i ka laulā o ka ʻike ʻoihana i ka hapa nui o nā netizens.
No laila e hoʻomaopopo mākou i ka hoʻoholo inā he maikaʻi a maikaʻi ʻole paha kathermocouple?
ʻO ke kumu kumu o ke ana welathermocouple ʻo ia ʻelua ʻāpana ʻokoʻa o nā mea hoʻokele waiwai e hana i kahi loop pani. Ke loaʻa kahi ʻanuʻu wela ma nā ʻaoʻao ʻelua, e kahe ana ke au ma ka loop. I kēia manawa, aia kahi mana electromotive-thermoelectromotive ikaika ma waena o nā ʻaoʻao ʻelua. ʻO kēia ka mea i kapa ʻia ʻo Seebeck effect. ʻElua conductors homogeneous o nā ʻāpana like ʻolethermoelectrodes,ʻo ka hopena me ka wela kiʻekiʻe ka hopena hana,ʻo ka hopena me ka haʻahaʻa haʻahaʻa ka hopena kūʻokoʻa, aʻo ka hopena kūʻokoʻa maʻamau i kahi mahana mau.
Ma hope o ka hoʻohana ʻana no kahi manawa, e mae loa nāthermocouples, a ʻino paha. ʻO ka maʻamau, pili ka maikaʻi o nāthermocouples i ka ueathermocouple (uea) i loko ona, akā pehea e hoʻokolokolo ai i ka maikaʻi o ka ueathermocouple ka pilikia. E kūkā iki kāua.


ʻO ka mea mua, e hōʻoia ʻaʻohe pilikia i ke ʻano o ka ueathermocouple, inā maikaʻi a maikaʻi ʻole paha, a hiki ke hoʻoholo ʻia ma ka hoʻāʻo ʻana.
E hoʻokau i ka ueathermocouple e hoʻāʻo ʻia ma kahi lima lima pālolo kūikawā no kathermocouple, a hookomo i loko o ka tubular umu uila me ka maʻamau platinum a me rhodiumthermocouple, a hoʻokomo i ka wela wela i loko o ka porous soaking metala nickel i loko o ka tubular umu uila. I loko o ke kinikini. E hoʻokomo i nā welau anu o kēlā me kēia uea uku i loko o kahi pahu ma kahi ʻole degere Celsius i mālama ʻia e ka hui ʻana o ka hau a me ka wai.
E mālama i ka umu ahi paipu uila ma ka wela o kathermocouple i ʻae ʻia, a mālama pono i kēia pae. I kēia manawa, e hoʻohana i ka potentiometer Wheatstone kūpono e ana a hoʻopaʻa i ka ʻokoʻa ʻokoʻa thermoelectric ma waena o kathermocouple maʻamau a me kathermocouple e hoʻāʻo ʻia. Wahi a ka ʻokoʻa ʻokoʻa thermoelectric i hoʻopaʻa ʻia, e nānā i ka papa kuhikuhi no ka ʻike ʻana i ka wela kūpono. Ina kathermocouplema lalo o ka hoʻāʻo ʻana ma waho o ka hoʻomanawanui, hiki ke hoʻoholo ʻia ʻaʻole kūpono.
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