PPT Soal Generalized Correlation

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Generalized Correlation (25)

Natural gas transportation over long distance could be doni gas is shipped either as liquifed natural gas (LN

compressed natural gas (CNG). I the ship cargo ca2500 m3, determine wic mode o! transportatio

accommodate more natural gas each trip? Assume thstorage conditions: " #ar and $"%2&C !or LNG and "25

room temperature !or CNG. To do the calculations,compressibility actor that could be downloaded rom th

!avidge: compressibility o natural gas". #ompare your rthe values calculated using the generali$ed correlation or

by %it$er, employing the acentric actor. Assume naturalpure methane and report the di&erence in percent valuesdi&erence between two parameters and three parameters

correlation.

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'ietaui

#N)

*N)

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ari Appendi( di-etahui -ara-teristi- metana sbb:

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etode *a+idge

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CNG

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LNG

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etode ,itzer

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CNG

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LNG

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,resentase ,er#edaan

/etode !avidge

/etode %it$er

%resentase

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-wo ,arameters .

-ree ,arameters

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-wo ,arameters

Semua fuida, ketika dikomparasi pada Tr dan Pr ysama, memiliki aktor kompresibilitas yang hampmendekati sama, dan semua penyimpangan dari gas idealnya juga sama.

 Teori ini hanya berla-u untu- gas sederhana, antara laidan 1e. Namun tida- berla-u untu- gas yg lebih -omple-arena itu, adanya pembetulan yang dila-u-an 0.!. %it$dengan mencantum-an parameter -etiga, yaitu a-tor 3".

%ada persamaan nilai 3 gas sederhana adalah nol sehi

berla-u persamaan 4 45

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-ree ,arameters

Semua luida yang memiliki nilai ω yang sama, kedikomparasi pada Tr dan Pr yang sama, memiliki kompresibilitas yang hampir sama, dan semua penyimpangan dari perilaku gas idealnya juga sa

%ada persamaan nilai 3 gas -omple-s tida- sama dengsehingga berla-u persamaan 4 45 6 3 47