ʻO nā ʻano ʻoihana nui ʻehā ka mahana, ke kaomi, ka nui o ke kahe, a me ka pae wai.
I. Mahana (T) ʻO ka mahana kahi nui kino e hōʻike ana i ke kiʻekiʻe o ka wela a i ʻole ke anuanu o ka mea i ana ʻia. Wahi a nā ʻano ana o nā mea hana mahana, hiki ke hoʻokaʻawale ʻia i ʻelua mau ʻāpana: ʻano pili a me ke ʻano pili ʻole. ʻO nā mea hana ana mahana pili e komo pū me nā thermometers, nā resistors thermal, a me nā thermocouples. ʻO nā mea hana ana mahana pili ʻole e komo pū me nā pyrometers optical, nā pyrometers photoelectric, nā pyrometers radiation, a me nā thermometers infrared.
II. Kaomi (P) ʻO ke kaomi e hana ana ma luna o kekahi mea he ʻelua ʻāpana: ke kaomi lewa a me ke kaomi o ka mea i ana ʻia (ʻo ia hoʻi ke kaomi ana). ʻO ka huina o kēia mau ʻāpana ʻelua o ke kaomi e hana ana ma luna o ka mea i ana ʻia ua kapa ʻia ʻo ke kaomi paʻa. A ʻo nā anakahi kaomi ʻoihana maʻamau e ana i ka waiwai kaomi ana, ʻo ia hoʻi, P anakahi = P paʻa - kaomi lewa. Hiki ke hoʻokaʻawale ʻia nā mea ana kaomi i ʻekolu mau ʻāpana: Ma ke ʻano o ke kaulike ʻana i ka ikaika umekaumaha me ke kaomi i ana ʻia, e ana pololei i ka nui o ka ikaika ma kēlā me kēia wahi, e like me nā anakahi kaomi kolamu wai a me nā anakahi kaomi piston; Ma ke ʻano o ke kaulike ʻana i ka ikaika elastic me ke kaomi i ana ʻia, e ana i ka nui o ka ikaika elastic i hana ʻia e ka deformation o ka element elastic ma lalo o ke kaomi, e like me nā anakahi kaomi paipu Bourdon, nā anakahi kaomi bellows, nā anakahi kaomi diaphragm, a me nā anakahi kaomi capsule; E hoʻohana i nā waiwai kino o kekahi mau mea e pili ana i ke kaomi, e like me nā loli i ka voltage, ke kū'ē, a i ʻole ka capacitance i ka wā ma lalo o ke kaomi, no ka laʻana, nā mea ʻike kaomi.
III. Ka Helu Kahe (Q) I ka hana ʻoihana a me ka kaohi ʻana, ʻo ka ʻike ʻana a me ka kaohi ʻana i nā palena o ka helu kahe wai kekahi o nā palena maʻamau. Aia nā mea hana like ʻole no ke ana ʻana i ka helu kahe, ʻo ia hoʻi nā mika kahe ultrasonic, nā mika kahe electromagnetic, nā mika kahe throttling, a me nā mika kahe neʻe maikaʻi.
IV. Pae Wai (H) ʻO ke kiʻekiʻe o ka pae wai e pili ana i ke kiʻekiʻe o ka pae wai i loko o kahi pahu i hoʻopaʻa ʻia a i ʻole kahi pahu hāmama. ʻO nā mea hana i hoʻohana pinepine ʻia no ke ana ʻana i ka pae wai e komo pū me nā mika pae ultrasonic, nā mika pae papa aniani, nā mika pae kaomi ʻokoʻa, nā mika pae lana, nā mika pae pahu lana, nā mika pae flap magnetic lana, nā mika pae radar, nā mika pae radioactive, a me nā mika pae ʻae alapine lekiō.
Ka manawa hoʻouna: ʻApelila-13-2025