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Use of an Integrate Method to Trace Coexistence Curves: Application to Pure and Multi-Component Mixtures

Magadi, Suma
http://rave.ohiolink.edu/etdc/view?acc_num=akron1399555573

Abstract Details

2014, Master of Science in Engineering, University of Akron, Chemical Engineering.
Process simulation is an important tool in the design, development, analysis and optimization of technical processes. The simulation work, performed on computers, is mainly applied to chemical plants, chemical and petroleum engineering processes. Thermodynamic computations in process simulation, both in the field of physical properties and of phase equilibria, consumes about 60 to 80% of the computer time, of which, phase equilibrium calculations take up about 75% of the time. Phase equilibrium calculations mostly make use of conventional root finding algorithms. Hence, the development of faster and more efficient algorithms for thermodynamic computations becomes highly essential. To this end, a technique known as the Integrate method has been developed that involves the differential form of the equilibrium constraints. These relationships are solved using numerical integration techniques and have been shown to produce results that both take less time (than the root-finding technique) and are accurate. In the current study, we evaluate the method for use in VLE and LLE for a variety of equations of state (EOS), from van der Waals to SAFT.
Donald. P. Visco, Jr, Dr. (Advisor)
Richard. J. Elliott, Jr, Dr. (Committee Member)
Subramaniya. I. Hariharan, Dr. (Committee Member)
202 p.
Chemical Engineering
Phase equilibrium, Integrate method, Newton-Raphson method, Equation-solving methods, SAFT-VR equation of state, Cubic equations of state

Recommended Citations

Citations

  • Magadi, S. (2014). Use of an Integrate Method to Trace Coexistence Curves: Application to Pure and Multi-Component Mixtures [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399555573

    APA Style (7th edition)

  • Magadi, Suma. Use of an Integrate Method to Trace Coexistence Curves: Application to Pure and Multi-Component Mixtures. 2014. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1399555573.

    MLA Style (8th edition)

  • Magadi, Suma. "Use of an Integrate Method to Trace Coexistence Curves: Application to Pure and Multi-Component Mixtures." Master's thesis, University of Akron, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399555573

    Chicago Manual of Style (17th edition)

akron1399555573
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This open access ETD is published by University of Akron and OhioLINK.