Maintenance of loading and unloading processes of sea vessels at transportation of compressed natural gas

Authors

  • Андрій Петрович Джус Ivano-Frankivsk National Technical University of Oil and Gas, Str. Carpatska, 15, Ivano-Frankivsk, Ukraine, 76019, Ukraine https://orcid.org/0000-0002-2660-5134
  • Ярослав Степанович Гриджук Ivano-Frankivsk National Technical University of Oil and Gas, Str. Carpatska, 15, Ivano-Frankivsk, Ukraine, 76019, Ukraine https://orcid.org/0000-0002-1429-8640

DOI:

https://doi.org/10.15587/2312-8372.2015.41397

Keywords:

compressed natural gas, loading and unloading process, flow regime, diameter of connecting pipe

Abstract

Analysis of the processes of loading and unloading of sea vessels has shown that they can proceed in critical and subcritical regimes. It is found that constant speed when loading the sea vessels is provided due to pressure gas source by the terms of the process in the critical mode. The process is characterized by constant discharge pressure decrease in gas tanks and gas flow that comes out of them. The maximum speed of the process is achieved by maintaining the critical regime through the phased introduction of the compressors. The defining parameters in determining the diameter of connecting collectors under that provided the necessary speed of the loading process are sources of gas. Collectors that selected taking into their accounting are provided the realization of loading process in the subcritical regime at the final stage in conditions of minimum overpressure of the compressor pressure filling capacity.

The obtained results can be used in the design of sea vessels to transportation of compressed natural gas. They can also serve as the basis for the acquisition of individual blocks by using the proposed global manufacturers of CNG modules. Using the tested algorithms it is possible to justify the loading and unloading modes of sea vessels under the terms of individual projects.

Author Biographies

Андрій Петрович Джус, Ivano-Frankivsk National Technical University of Oil and Gas, Str. Carpatska, 15, Ivano-Frankivsk, Ukraine, 76019

Candidate of Technical Sciences, Associate Professor

Department of Oil and Gas Equipment

Ярослав Степанович Гриджук, Ivano-Frankivsk National Technical University of Oil and Gas, Str. Carpatska, 15, Ivano-Frankivsk, Ukraine, 76019

Candidate of Technical Sciences, Associate Professor

Department of Theoretical Mechanics

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Published

2015-04-02

How to Cite

Джус, А. П., & Гриджук, Я. С. (2015). Maintenance of loading and unloading processes of sea vessels at transportation of compressed natural gas. Technology Audit and Production Reserves, 2(1(22), 64–69. https://doi.org/10.15587/2312-8372.2015.41397

Issue

Vol. 2 No. 1(22) (2015): Energy, energy-saving technologies and equipment. Electrical engineering and industrial electronics

Section

Mechanical engineering and machine building

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Copyright (c) 2016 Андрій Петрович Джус, Ярослав Степанович Гриджук

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