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- Title
Optimization of Operating Parameters of a Nitrogen Liquefier Functioning as a Unit of a Liquid Methane Supercooling System.
- Authors
Korobkov, A. A.; Kulik, M. V.; Sergeev, S. S.; Smorodin, A. I.
- Abstract
The problem of thermodynamic optimization of the operating parameters of a nitrogen liquefier functioning as a unit of a liquid methane supercooling system is identified and solved. Solution of this problem enabled determination of the following: the specific work required for liquefaction of 1 kg of nitrogen in schemes with oil- and water-filled compressors, characteristics of heat exchange equipment and expansion-compression unit, and operating parameters at all calculation points. It was found that waterfilled screw compressor helps reduce specific liquefaction work by 19%. Direct flow pressure of 1.2 MPa and throttle flow fraction of 0.14 are the optimum parameters for nitrogen liquefaction.
- Subjects
SUPERCOOLING; SCREW compressors; NITROGEN; LAUNCH vehicles (Astronautics); LIQUIDS
- Publication
Chemical & Petroleum Engineering, 2022, Vol 58, Issue 3/4, p285
- ISSN
0009-2355
- Publication type
Article
- DOI
10.1007/s10556-022-01089-x