DETERMINATION OF STRUCTURE AND FORMATION CONDITIONS OF GAS HYDRATE BY USING TPD METHOD AND FLASH CALCULATIONS

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BEHJATI RAD H.; VARAMINIAN F.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: NATIONAL IRANIAN CONFERENCE ON GAS HYDRATE (NICGH)
Year:2013 | Issue:2

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Title

DETERMINATION OF STRUCTURE AND FORMATION CONDITIONS OF GAS HYDRATE BY USING TPD METHOD AND FLASH CALCULATIONS

Author(s)

BEHJATI RAD H. | VARAMINIAN F. | Issue Writer Certificate

Keywords

TANGENT PLANE DISTANCE

MULTIPHASE FLASH CALCULATION

GIBBS ENERGY MINIMIZATION

GAS HYDRATE

Abstract

IN THIS WORK, SATBILITY CALCULATIONS AND DETERMINATION OF GAS HYDRATE STRUCTURE IN EQUILIBRIUM CONDITIONS BY USING MINIMIZATION OF TPD FUNCTION FOR METHANE-WATER SYSTEM (SI), PROPANE-WATER SYSTEM (SII) AND METHANE-METHYL CYCLO PENTANE-WATER SYSTEM (SH) WERE PERFORMED. BASED ON RESULTS, AT 274 K AND 275 K TEMPERATURES, THE LIQUID PHASE OF METHANE-WATER SYSTEM AT 27 BAR AND 30 BAR PRESSURES, PROPANE-WATER SYSTEM AT 1.7 BAR AND 2.5 BAR PRESSURES AND METHANE-METHYL CYCLO PENTANE-WATER SYSTEM AT 9.6 BAR AND 10.1 BAR PRESSURES WAS DECOMPOSED. AS A RESULT OF DECOMPOSITION OF LIQUID PHASE FOR THESE SYSTEMS, TWO NEW PHASES, A NEW LIQUID PHASE AND HYDRATE PHASE WERE FORMED. SUBSEQUENTLY, MULTIPHASE FLASH CALCULATIONS IN ORDER TO DETERMINE THE AMOUNT AND COMPOSITION OF STABLE PHASES IN EQUILIBRIUM STATE WERE PERFORMED. FOR MINIMIZATION OF TPD FUNCTION, ALGORITHM GENETIC WAS USED. THE RESULTS SHOW GOOD ACCURACY WITH DATA OF HERIOT WATT UNIVERSITY HYDRATE MODEL (HWHYD).

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APA: Copy

BEHJATI RAD, H., & VARAMINIAN, F.. (2013). DETERMINATION OF STRUCTURE AND FORMATION CONDITIONS OF GAS HYDRATE BY USING TPD METHOD AND FLASH CALCULATIONS. NATIONAL IRANIAN CONFERENCE ON GAS HYDRATE (NICGH). SID. https://sid.ir/paper/908677/en

Vancouver: Copy

BEHJATI RAD H., VARAMINIAN F.. DETERMINATION OF STRUCTURE AND FORMATION CONDITIONS OF GAS HYDRATE BY USING TPD METHOD AND FLASH CALCULATIONS. 2013. Available from: https://sid.ir/paper/908677/en

IEEE: Copy

H. BEHJATI RAD, and F. VARAMINIAN, “DETERMINATION OF STRUCTURE AND FORMATION CONDITIONS OF GAS HYDRATE BY USING TPD METHOD AND FLASH CALCULATIONS,” presented at the NATIONAL IRANIAN CONFERENCE ON GAS HYDRATE (NICGH). 2013, [Online]. Available: https://sid.ir/paper/908677/en

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