Mea Hoʻololi ʻĀpana Kaomi
ʻO ka hoʻololi ʻana o PSI a me MPA, ʻo PSI kahi anakahi kaomi, i wehewehe ʻia ʻo ia ka paona Pelekane/ʻīniha kuea, 145PSI = 1MPa, a ua kapa ʻia ʻo PSI ma ka ʻōlelo Pelekania he Pounds no ka square in. ʻO P kahi Paona, ʻo S kahi Huinaha, a ʻo i kahi ʻĪniha. Hiki iā ʻoe ke helu i nā anakahi āpau me nā anakahi lehulehu:1bar≈14.5PSI, 1PSI = 6.895kpa = 0.06895barUa maʻa ʻo ʻEulopa a me ʻAmelika Hui Pū ʻIa a me nā ʻāina ʻē aʻe i ka hoʻohana ʻana i ka PSI ma ke ʻano he anakahi.
Ma Kina, wehewehe mākou i ke kaomi o ke kinoea ma "kg" (ma kahi o "paona"). ʻO ke anakahi kino ʻo "KG/CM^2", a ʻo ke kaomi o hoʻokahi kilogram ka ikaika o hoʻokahi kilogram ma hoʻokahi kenimika huinaha.
ʻO nā anakahi i hoʻohana pinepine ʻia ma nā ʻāina ʻē ʻo "PSI", a ʻo ke anakahi kikoʻī ʻo "LB/In2", ʻo ia hoʻi "paona/ʻīniha kuea". Ua like kēia anakahi me ka lepili mahana (F).
Eia kekahi, aia ʻo PA (Pascal, hoʻokahi Newton ma hoʻokahi mika kuea), KPA, MPA, BAR, kolamu wai millimeter, millimeter mercury a me nā anakahi kaomi ʻē aʻe.
1 Bar (BAR) = 0.1 MPa (MPA) = 100 Knaka (KPA) = 1.0197 kg/kenimika huinaha
1 Kaomi lewa maʻamau (ATM) = 0.101325 MPa (MPA) = 1.0333 Bar (BAR)
No ka mea, he liʻiliʻi loa ka ʻokoʻa o ke anakahi, hiki iā ʻoe ke hoʻomanaʻo i kēia:
1 Bar (BAR) = 1 Kaomi lewa maʻamau (ATM) = 1 kg/kenimita kuea = 100 kilo (KPA) = 0.1 MPa (MPA)
Penei ka hoʻololi ʻana o PSI:
1 Kaomi lewa maʻamau (ATM) = 14.696 paona/ʻīniha 2 (PSI)
Pilina hoʻololi kaomi:
Paʻi 1 Bar (BAR) = 10^5 Pa (PA) 1 Dadin/cm 2 (dyn/cm2) = 0.1 Pa (PA)
1 Terr = 133.322 Pa (PA) 1 mm Hg (mmHg) = 133.322 Pa (PA)
1 mm kolamu wai (mmh2O) = 9.80665 Pa (PA)
1 Kaomi lewa ʻenekinia = 98.0665 kite (KPA)
1 Knipa (KPA) = 0.145 paona/ʻīniha 2 (PSI) = 0.0102 kg/cm 2 (kgf/cm2) = 0.0098 kaomi lewa (ATM)
1 paona ikaika/ʻīniha 2 (PSI) = 6.895 kenta (KPA) = 0.0703 kg/cm 2 (kg/cm2) = 0.0689 Bar (bar) = 0.068 kaomi lewa (ATM)
1 Kaomi kino o ka lewa (ATM) = 101.325 Kenpa (KPA) = 14.696 paona/ʻīniha 2 (PSI) = 1.0333 Bar (BAR)
ʻElua ʻano onā kiwikāʻO kekahi ka ʻōnaehana "kaomi inoa" i hōʻike ʻia e Kelemania (me koʻu ʻāina) ma ka mahana maʻamau (ma Kina he 100 degere a ʻo Kelemania he 120 degere). ʻO kekahi ka "ʻōnaehana kaomi mahana" i hōʻike ʻia e ʻAmelika Hui Pū ʻIa i hōʻike ʻia ma kahi mahana i kahi mahana.
Ma waena o ka ʻōnaehana mahana a me ke kaomi ma ʻAmelika Hui Pū ʻIa, koe wale nō 150LB e pili ana i 260 degere, ʻo nā pae ʻē aʻe ma nā pae āpau e pili ana i 454 degere.
ʻO ke kiwikā kila kalapona 250-paona (150PSI = 1MPa) He 260 degere, a ʻo ke kaumaha i ʻae ʻia he 1MPa, a ʻo ke kaumaha hoʻohana ma ka mahana o ka lumi ua ʻoi aku ka nui ma mua o 1MPa, ma kahi o 2.0MPa.
No laila, ma ke ʻano laulā, ʻo ka pae kaomi maʻamau e pili ana i ka US standard 150LB he 2.0MPa, a ʻo ka pae kaomi maʻamau e pili ana i 300LB he 5.0MPa a pēlā aku.
No laila, ʻaʻole hiki iā ʻoe ke hoʻololi i ke kaomi maʻamau a me ka pae mahana e like me ke ʻano hoʻololi kaomi.
Ka manawa hoʻouna: Sep-11-2023