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Modeling the instabilities of the condensation process of the R134a and 404A refrigerants in pipe minichannels in the conditions of periodic hydrodynamic disturbances
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Title: Modeling the instabilities of the condensation process of the R134a and 404A refrigerants in pipe minichannels in the conditions of periodic hydrodynamic disturbances

Creator:

Kuczyński, Waldemar ; Denis, Aleksander

Date:

2017

Type:

artykuł w czasopiśmie

Description:

In the present paper, an attempt was made to model the periodic hydrodynamic instabilities of the condensation process of a refrigerant in pipe minichannels. For this purpose, a homogenous thermodynamic model with an equilibrium condition on both sides was used, which was based on the equations of the balance of the mass, momentum and energy. These equations were used for numerical modeling of flow disturbances with a phase change. This model takes into account the complexity of multiphase flows. The accuracy of the model calculations was verified by means of the experimental results obtained. A satisfactory compliance was found for this comparison, which confirms the usefulness of the computational model proposed for the determination of the influence of periodically generated hydrodynamic disturbances on the condensation process of R134a and R404A refrigerants in pipe minichannels.

Place of publishing:

Koszalin

Publisher:

Publishing House of the Koszalin University of Technology

Format:

application/pdf

Identifier:

oai:dlibra.tu.koszalin.pl:1624

Language:

eng

Is part of:

Journal of Mechanical and Energy Engineering. Vol.1 (41), nr 2, s. 179-188

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

License:

Creative Commons BY 4.0

Exlibris

Subject and keywords:

condensation minichannels modeling of instabilities

Object collections:

Last modified:

Nov 6, 2023

In our library since:

Aug 23, 2022

Number of object content hits:

17

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/1628

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Edition name Date
Kuczyński, Waldemar, 2017, Modeling the instabilities of the condensation process of the R134a and 404A refrigerants in pipe minichannels in the conditions of periodic hydrodynamic disturbances Nov 6, 2023

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dlibra@tu.koszalin.pl

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