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Numerical Simulation of Transient Diabatic Pipe Flow by using the Method of Characteristics

The following paper presents a one-dimensional numerical model for simulating transient thermohydraulic pipe flow based on the Method of Characteristics. In addition to mass and momentum conservation, the proposed scheme also guarantees compliance with the laws of thermodynamics by solving the energy equation. The model covers transient changes in fluid properties due to pressure changes, heat transfer and dissipation. The presented methodology also allows the computation of the transient temperature distribution in the pipe wall through an additional ordinary finite difference scheme. The numerical procedure is implemented in the commercial simulation software DSHplus. The capability of the code is examined by comparing the simulation results with theoretical solutions and experimental data.

Identiferoai:union.ndltd.org:DRESDEN/oai:qucosa:de:qucosa:29331
Date January 2016
CreatorsPasquini, Enrico, Baum, Heiko, van Bebber, David, Pendovski, Denis
ContributorsDresdner Verein zur Förderung der Fluidtechnik e. V.
PublisherTechnische Universität Dresden
Source SetsHochschulschriftenserver (HSSS) der SLUB Dresden
LanguageEnglish
Detected LanguageEnglish
Typedoc-type:conferenceObject, info:eu-repo/semantics/conferenceObject, doc-type:Text
Source10th International Fluid Power Conference (10. IFK) March 8 - 10, 2016, Vol. 1, pp. 519-532
Rightsinfo:eu-repo/semantics/openAccess
Relationurn:nbn:de:bsz:14-qucosa-196933, qucosa:29237

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