Vim li cas thiaj siv cov khoom siv pseudo tseem ceeb?

2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07

Pseudocritical txoj cai muab a txhais tau tias txiav txim siab txo cov khoom sib tov kom cov khoom xyaw ntshiab sib xws hauv cov xeev kev sib raug zoo yuav raug siv los kwv yees cov khoom sib xyaw.

Pseudo tseem ceeb yog dab tsi?

2.1 Taw qhia. Cov cuab yeej ntawm cov nkev muaj xws li roj av tshwj xeeb lub ntiajteb txawj nqus, pseudocritical siab thiab kub, viscosity, compressibility factor, gas density, thiab gas compressibility. Kev paub txog cov khoom muaj nqis no yog qhov tseem ceeb rau kev tsim thiab tshuaj xyuas cov khoom siv roj ntsha thiab kev ua haujlwm.

Dab tsi yog qhov txawv ntawm qhov kev kub ntxhov thiab pseudo lub siab tseem ceeb?

Summary – Tseeb vs Pseudo Critical Properties. Lub sij hawm tseem ceeb heev feem ntau yog hais txog qhov kub thiab txias ntawm qhov system ntawm qhov tseem ceeb. … Pseudo cov khoom tseem ceeb, ntawm qhov tod tes, yog qhov pom tseeb ntawm txhua qhov kev tivthaiv dawb huv hauv ib lub cev rau ib qho tshuaj tiv thaiv.

Cov khoom txo qis dab tsi muab lawv qhov tseem ceeb?

Cov khoom txo qis kuj tseem siv los txhais qhov kev sib npaug ntawm Peng–Robinson ntawm lub xeev, tus qauv tsim los muab qhov tseeb tsim nyog nyob ze ntawm qhov tseem ceeb. Lawv kuj tau siv los ua tus lej tseem ceeb, uas piav qhia txog tus cwj pwm ntawm lub cev kom muaj nuj nqis nyob ze ntawm kev hloov mus tas li.

Yuav ua li cas koj xam pseudo tseem ceeb siab?

PV=znRT

1. P_{R (txosiab)=P ÷ Pc.}
2. V_{R (txo ntim)=V ÷ Vc.}
3. T_{R (tso kub)=T ÷ Tc.}
4. P_{R' (pseudo txo siab)=P÷ Pc'}
5. T_{R' (pseudo txo kub)=T ÷ Tc'}
6. Pc'=y₁Pc1 + y₂Pc2 + y₃Pc3 + y_{4Pc4 +…}
7. Tc'=y₁Tc1 + y₂Tc2 + y₃Tc3 + y_{4PTc4 +…}