Projects funded by the NCN

Information on the principal investigator and host institution

Information of the project and the call

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Experimental and numerical investigation of R744 refrigerant flow and mixing processes within two-phase ejector

2017/27/B/ST8/00945

Keywords:

two-phase flow of R744 ejector visualisation of R744 flow visualisation of R744 mixing CFD ejector model reduced ejector model

Descriptors:

  • ST8_1: Chemical engineering, technical chemistry, environmental engineering, sanitary engineering, engineering of chemical processes
  • ST8_4: Fluid mechanics, technical thermodynamics
  • ST8_3: Computational engineering, computer-aided modelling, design and manufacturing

Panel:

ST8 - Production and processes engineering: modelling, product design, process design and control, construction methods and engineering, power units and systems

Host institution :

Politechnika Śląska, Wydział Inżynierii Środowiska i Energetyki

woj. śląskie

Other projects carried out by the institution 

Principal investigator (from the host institution):

prof. Andrzej Nowak 

Number of co-investigators in the project: 8

Call: OPUS 14 - announced on 2017-09-15

Amount awarded: 1 338 880 PLN

Project start date (Y-m-d): 2018-10-02

Project end date (Y-m-d): 2022-08-01

Project duration:: 46 months (the same as in the proposal)

Project status: Project settled

Project description

Download the project description in a pdf file

Note - project descriptions were prepared by the authors of the applications themselves and placed in the system in an unchanged form.

Equipment purchased [PL]

  1. Komponenty stanowiska badawczego - obieg dodatkowy (50 000 PLN)
  2. Komponenty stanowiska badawczego - system sterowania, bezpieczeństwa i gromadzenia danych (75 000 PLN)
  3. Komponenty stanowiska badawczego - sekcja kompresorów z falownikami (70 000 PLN)
  4. Komponenty stanowiska badawczego - sekcja rozprężania (60 000 PLN)
  5. Komponenty stanowiska badawczego - wymienniki ciepła i rozdzielacze cieczy (70 000 PLN)

Information in the final report

  • Publication in academic press/journals (6)
  • Articles in post-conference publications (5)
  1. Two-phase flow visualisation in the R744 vapour ejector for refrigeration systems
    Authors:
    Michal Palacz, Jakub Bodys, Michal Haida, Jacek Smolka, Andrzej J. Nowak
    Academic press:
    Applied Thermal Engineering (rok: 2022, tom: 210, strony: 45304), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.applthermaleng.2022.118322 - link to the publication
  2. An Object-Oriented R744 Two-Phase Ejector Reduced-Order Model for Dynamic Simulations
    Authors:
    Michal Haida, Rafal Fingas, Wojciech Szwajnoch, Jacek Smolka, Michal Palacz , Jakub Bodys and Andrzej J. Nowak
    Academic press:
    Energies (rok: 2019, tom: 12, strony: 45315), Wydawca: MDPI
    Status:
    Published
    DOI:
    10.3390/en12071282 - link to the publication
  3. Detailed numerical investigation of the CO2 two-phase ejector 3-D CFD model based on the flow visualisation experiments
    Authors:
    Michal Majchrzyk, Damian Dziurowicz, Michal Haida, Michal Palacz, Jakub Bodys, Rafal Fingas, Jacek Smolka, Andrzej J. Nowak
    Academic press:
    Chemical Engineering and Processing: Process Intensification (rok: 2022, tom: 182, strony: 109195), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.cep.2022.109195 - link to the publication
  4. Experimental and numerical study on the R744 ejector with a suction nozzle bypass
    Authors:
    Jakub Bodys, Jacek Smolka, Michal Palacz, Michal Haida, Krzysztof Banasiak, Andrzej J. Nowak
    Academic press:
    Applied Thermal Engineering (rok: 2021, tom: Vol. 194, strony: 45304), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.applthermaleng.2021.117015 - link to the publication
  5. Performance operation of liquid ejectors for a R744 integrated multi-ejector supermarket system using a hybrid ROM
    Authors:
    Michal Haida, Jacek Smolka, Armin Hafner , Michal Palacz, Ziemowit Ostrowski, Jakub Bodys, Ekaterini K. Kriezi, Sven Försterling, Andrzej J. Nowak, Krzysztof Banasiak
    Academic press:
    International Journal of Refrigeration (rok: 2020, tom: 110, strony: 58 - 74), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.020 - link to the publication
  6. An experimental investigation of performance and instabilities of the R744 vapour compression rack equipped with a two-phase ejector based on short-term, long-term and unsteady operations
    Authors:
    Michal Haida, Michal Palacz, Jakub Bodys, Jacek Smolka, Paride Gullo, Andrzej J. Nowak
    Academic press:
    Applied Thermal Engineering (rok: 2021, tom: Volume 185, strony: 45315), Wydawca: Elsevier
    Status:
    Published
    DOI:
    10.1016/j.applthermaleng.2020.116353 - link to the publication
  1. Experimental test rig for the visualisation study of the transcritical flow in the twophase R744 ejectors
    Authors:
    Jakub BODYS, Michal PALACZ, Michal HAIDA, Jacek SMOLKA, Andrzej J. NOWAK
    Conference:
    18th International Refrigeration and Air Conditioning Conference at Purdue, July 13-16, 2020 (rok: 2021, ), Wydawca: International Institute of Refrigeration
    Data:
    konferencja 24 - 28 May, 2021
    Status:
    Published
  2. The R744 vapour compression test rig designed for visualisation of two-phase flow inside ejectors
    Authors:
    Michal HAIDA, Rafal FINGAS, Wojciech SZWAJNOCH, Jakub BODYS, Michal PALACZ, Jacek SMOLKA, Andrzej J. NOWAK
    Conference:
    25th IIR International Congress of Refrigeration (rok: 2019, ), Wydawca: 25th IIR International Congress of Refrigeration
    Data:
    konferencja August 24-30, 2019
    Status:
    Published
  3. A R744 transcritical refrigeration test rig equipped with a transparent two-phase ejector for flow visualisation: experimental study
    Authors:
    Haida Michał, Fingas Rafał, Szwajnoch Wojciech, Smołka Jacek, Palacz Michał, Bodys Jakub, Nowak Andrzej Józef
    Conference:
    IIR Rankine International Conference on Advances in Cooling, Heating and Power Generation, Rankine 2020. (rok: 2020, ), Wydawca: International Institute of Refrigeration, 2020
    Data:
    konferencja Glasgow, United Kingdom, 27-31 July 2020
    Status:
    Published
  4. Analysis of the R744 flow through the ejector ducts on the basis of visualisation procedure at the dedicated laboratory test rig
    Authors:
    Bodys Jakub, Palacz Michał, Haida Michał, Smołka Jacek, Nowak Andrzej Józef
    Conference:
    14th IIIR Gustav Lorentzen Conference on Natural Refrigerants GL2020 (rok: 2020, ), Wydawca: International Institute of Refrigeration, 2020
    Data:
    konferencja December 7-9th 2020
    Status:
    Published
  5. Experimental investigation of R744 transcritical flow and mixing in the two-phase ejector
    Authors:
    Jakub Bodys, Michal Palacz, Michal Haida, Jacek Smolka, Damian Dziurowicz, Michal Majchrzyk, Andrzej J. Nowak
    Conference:
    38th International Conference on Heat and Mass Transfer (rok: 2021, ), Wydawca: Journal of Physics: Conference Series
    Data:
    konferencja 21-22 June 2021
    Status:
    Published

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