Numerical simulation of hydraulic transients: Dissertation

Timo Siikonen

Numerical simulation of hydraulic transients: Dissertation

Timo Siikonen

VTT Technical Research Centre of Finland

VTT (former employee or external)

Research output: Thesis › Dissertation › Collection of Articles

Abstract

A numerical method suitable for the analysis of hydraulic transients in one-dimensional pipelines as well as some applications of the method are presented in this thesis. In the present method one-dimensional flow equations are solved in a characteristic form using a finite difference technique. A non-equilibrium two-phase flow model is used, which makes it possible to analyze the effect of vaporization. The motion of the pipe-wall, which is important in some types of hydraulic transients, can be taken into account approximately. The main application of the method has been the piping of nuclear reactors.

Original language	English
Qualification	Doctor Degree
Awarding Institution	Helsinki University of Technology
Place of Publication	Helsinki
Publication status	Published - 1985
MoE publication type	G5 Doctoral dissertation (article)

Cite this

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title = "Numerical simulation of hydraulic transients: Dissertation",

abstract = "A numerical method suitable for the analysis of hydraulic transients in one-dimensional pipelines as well as some applications of the method are presented in this thesis. In the present method one-dimensional flow equations are solved in a characteristic form using a finite difference technique. A non-equilibrium two-phase flow model is used, which makes it possible to analyze the effect of vaporization. The motion of the pipe-wall, which is important in some types of hydraulic transients, can be taken into account approximately. The main application of the method has been the piping of nuclear reactors.",

author = "Timo Siikonen",

note = "YDI",

year = "1985",

language = "English",

series = "Acta Polytechnica Scandinavica: Me Mechanical Engineering Series",

publisher = "Finnish Academies of Technology",

school = "Helsinki University of Technology",

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N2 - A numerical method suitable for the analysis of hydraulic transients in one-dimensional pipelines as well as some applications of the method are presented in this thesis. In the present method one-dimensional flow equations are solved in a characteristic form using a finite difference technique. A non-equilibrium two-phase flow model is used, which makes it possible to analyze the effect of vaporization. The motion of the pipe-wall, which is important in some types of hydraulic transients, can be taken into account approximately. The main application of the method has been the piping of nuclear reactors.

AB - A numerical method suitable for the analysis of hydraulic transients in one-dimensional pipelines as well as some applications of the method are presented in this thesis. In the present method one-dimensional flow equations are solved in a characteristic form using a finite difference technique. A non-equilibrium two-phase flow model is used, which makes it possible to analyze the effect of vaporization. The motion of the pipe-wall, which is important in some types of hydraulic transients, can be taken into account approximately. The main application of the method has been the piping of nuclear reactors.

M3 - Dissertation

T3 - Acta Polytechnica Scandinavica: Me Mechanical Engineering Series

CY - Helsinki

ER -

Numerical simulation of hydraulic transients: Dissertation

Abstract

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