Babban mahimmancin ƙirar RMS ya haɗa da waɗannan abubuwa:
- Lissafi da ƙira na girman Layin Bututu
- Lissafi da ƙira na girman Drum / Mai Raba Tace / Mai Raba Ruwa
- Lissafi da ƙira na girman Tacewar Gas ɗin Busasshen Gas
- Lissafin girman WBH
- Lissafin Mai Kulawa, Bawuloli Masu Sauƙi da Girman SSV
Kalmomi na asali
Kafin mu tattauna tsarin RMS, muna buƙatar tattauna waɗannan sharuɗɗan:
- Matsi Mai Ma'auni da Matsi Mai Cikakken Bayani
- Girman Daidaitacce da Girman Ainihin
Ana auna matsin lamba mai cikakken ƙarfi dangane da sifili mai cikakken ƙarfi. Duk lissafin da ya shafi dokokin iskar gas yana buƙatar matsin lamba (da zafin jiki) ya kasance a cikin raka'a mai cikakken ƙarfi.
Matsi a yanayi shine matsin lamba a cikin iskar da ke kewaye a - ko kuma "kusa" da - saman duniya. Matsi a yanayi ya dogara da zafin jiki da tsayin da ke sama da matakin teku. Matsakaicin Matsi a Yanayi shine 14.696 Psi (sanduna 1.01325).
Sau da yawa ana amfani da ma'aunin aunawa don auna bambancin matsin lamba tsakanin tsarin da yanayin da ke kewaye. Wannan matsin lamba galibi ana kiransa matsin lamba na ma'aunin kuma ana iya bayyana shi kamar haka:
Pg = Pa – Po
Ina:
Pg = Matsi Mai Ma'auni Pa = Matsi Mai Cikakken Matsi
Po = Matsi a Yanayi
Matsakaicin Girma yana nuna yawan iskar gas a cikin Yanayin Daidaitacce (yanayin zafin jiki da yanayin zafin jiki na yau da kullun), yayin da Ainihin Girman yana nuna girma a cikin Yanayin Aiki.
A cikin masana'antu da kasuwanci, sharuɗɗan da aka saba amfani da su don zafin jiki da matsin lamba sau da yawa suna da mahimmanci don ayyana yanayin ma'auni don bayyana yawan iskar gas da ruwa da adadi masu alaƙa kamar ƙimar kwararar volumetric. A cikin shekaru biyar zuwa shida da suka gabata, ƙwararru da masana kimiyya waɗanda ke amfani da tsarin ma'auni na raka'a sun ayyana yanayin ma'auni na zafin jiki da matsin lamba don bayyana yawan iskar gas a matsayin 0 °C (273.15 K;32.00 °F) da 101.325 kPa (1 atm). A cikin waɗannan shekarun, sharuɗɗan ma'auni na yau da kullun da aka fi amfani da su ga mutanen da ke amfani da tsarin gargajiya na imperial ko Amurka sune 60 °F (15.56 °C; 288.71 K) da 14.696 psi (1 atm). Wannan ma'anar Ma'auni kusan masana'antar mai da iskar gas a duk duniya suna amfani da shi. Duk da haka, wallafe-wallafen fasaha da yawa suna bayyana "yanayi na yau da kullun" kawai ba tare da bayyana su ba, wanda sau da yawa yana haifar da rudani da kurakurai.
Tsarin da ke ƙasa (F-2) yana nuna alaƙar da ke tsakanin Ƙarar Daidaitacce da Ƙarar Ainihin:
(F – 2)
Ina:
Vb = Girman da ke kan yanayin da aka saba amfani da shi, ko Girman da aka saba amfani da shi Vm = Girman da ke kan yanayin aiki, ko Girman da aka saba amfani da shi Pb = Matsi mai ƙarfi a yanayin da aka saba amfani da shi
P = Matsi mai ƙarfi a yanayin kwarara
Tb = Cikakken zafin jiki a yanayin da aka saba, KT = Cikakken zafin jiki a yanayin kwarara, K
Zb = Faɗin matsi a yanayin daidaito Z = Faɗin matsi a yanayin kwarara
A tsarin RMS, yawanci muna amfani da ƙimar kwarara maimakon girma. A wannan yanayin, ana iya maye gurbin girman Vm da Vb da ƙimar kwarara Qm da Qb.
Ina:
Qm = Ainihin Yawan Gudawa. Qb = Matsakaicin Gudun Tsaya.
Don kimanta girman bututu, ana iya ɗaukar Z da Zb a matsayin 1.0.
Lokacin Saƙo: Oktoba-22-2021