Dynamic carbon dioxide liquidization model: Master's Thesis

Research output: ThesisMaster's thesis

Abstract

In literature CO2 liquidization is well studied with steady state modeling. Steady state modeling gives an overview of the process but it doesn’t give information about process behavior during transients. In this master’s thesis three dynamic models of CO2 liquidization were made and tested. Models were straight multi-stage compression model and two compression liquid pumping models, one with and one without cold energy recovery. Models were made with Apros software, models were also used to verify that Apros is capable to model phase changes and over critical state of CO2. Models were verified against compressor manufacturer’s data and simulation results presented in literature. From the models made in this thesis, straight compression model was found to be the most energy efficient and fastest to react to transients. Also Apros
was found to be capable tool for dynamic liquidization modeling.
Original languageEnglish
QualificationMaster Degree
Awarding Institution
  • Lappeenranta University of Technology
Award date22 Apr 2015
Publisher
Publication statusPublished - 2015
MoE publication typeG2 Master's thesis, polytechnic Master's thesis

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