Email: ziemowit.malecha@pwr.edu.pl

Unit: Faculty of Mechanical and Power Engineering » Department of Cryogenics and Aerospace Engineering

C.K. Norwida 4/6, 50-373 Wrocław
building C-6, room 214
phone +48 71 320 2320

Office hours

• Tuesday 11.00-13.00
• Wednesday 11.00-13.00

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Research fields

• numerical modeling of heat and mas transfer; definition and implementation of new mathematical and numerical models; crygenics; open source software (e.g. OpenFOAM).

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Recent papers

2018

• Sinclair C., Malecha Z. M., Jedrusyna A., Numerical investigation of potential stratification caused by a cryogenic helium spill inside a tunnel, Cryogenics, Volume 91, 2018, s. 7-20, https://doi.org/10.1016/j.cryogenics.2018.02.005, 
• Dorosz P., Wojcieszak P., Malecha Z. M., Exergetic analysis, optimization and comparison of LNG cold exergy recovery systems for transportation / Paweł Dorosz, Paweł Wojcieszak, Ziemowit Malecha. Entropy. 2018, vol. 20, nr 1, art. 59, s. 1-18, 21 rys., 8 tab., bibliogr. 41 poz. http://dx.doi.org/10.3390/e20010059, http://www.mdpi.com/1099-4300/20/1/59.

2017

• Malecha Z. M., Płuszka P., Brenk A., Numerical investigation of cryogen re-gasification in a plate heat exchanger / Ziemowit Malecha, Paweł Płuszka, Arkadiusz Brenk. W: Advances in Cryogenic Engineering : Proceedings of the Cryogenic Engineering Conference (CEC) 2017 [Dokument elektroniczny] : 9-13 July 2017, Madison, Wisconsin, USA. [Bristol : IOP Publishing, 2017]. art. 012063, s. 1-8, obj. 0,6, 9 rys., 2 tab., bibliogr. 6 poz.(IOP Conference Series - Materials Science and Engineering, ISSN 1757-899X; vol. 278), http://iopscience.iop.org/article/10.1088/1757-899X/278/1/012063/pdf, 
  Malecha Z. M., Poliński J., Chorowski M., Evaluation of the consequences of a cistern truck accident while transporting dangerous substances through a tunnel / Ziemowit M. Malecha, Jarosaw Poliski, Maciej Chorowski. Risk Analysis. 2017, vol. 37, nr 12, s. 2475-2489, 20 rys., bibliogr. 15 poz., http://dx.doi.org/10.1111/risa.12803
  Malecha Z. M, The numerical evaluation of safety valve size in the pipelines of cryogenic installations / Z. M. Malecha. W: 26th International Cryogenic Engineering Conference & International Cryogenic Materials Conference 2016 [Dokument elektroniczny] : 7–11 March 2016, New Delhi, India. [Bristol] : IOP Publishing, 2017. art. 012039, s. 1-8, obj. 0,6, 7 rys., bibliogr. 8 poz.  (IOP Conference Series - Materials Science and Engineering, ISSN 1757-899X; vol. 171), http://dx.doi.org/10.1088/1757-899X/171/1/012039
• Lubryka Eliza, Malecha Ziemowit M: The numerical boundary conditions of the wrapping pattern of thin insulation / Eliza Lubryka, Ziemowit Miłosz Malecha. International Journal of Heat and Mass Transfer. 2017, vol. 108, pt. A, s. 512-518, 7 rys., 1 tab., bibliogr. 15 poz., Summ., http://dx.doi.org/10.1016/j.ijheatmasstransfer.2016.12.050.

Papers in DONA database

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Selected papers
1	Proceeding paper 2024 Zbigniew Rogala, Adrian Kwiatkowski, Błażej Ł Baran, Ziemowit Malecha, Experimental validation of two-phase recuperation heat transfer in precooled MR J-T systems. W: Cryocoolers 23 : a publication of the International Cryocooler Conference, [Madison, WI, June 3-6, 2024] / ed. by Ronald G. Ross, Jr., Jeff R. Raab. Boulder : ICC Press, 2024. s. 237-246. ISBN: 978-1-934021-09-5 Resources:URL
2	Article 2024 Bartosz Kopiczak, Krzysztof Karbowski, Konrad Nering, Ziemowit Malecha, Robert Chrzan, Jolanta Gawlik, A Sucherska, Joanna Szaleniec, J Karbowski, Application of CFD airflows to aid in the diagnosis of nasal obstructions. Journal of Physics. Conference Series. 2024, vol. 2899, art. 012010, s. 1-8. ISSN: 1742-6588; 1742-6596 Resources:DOIURLSFX
3	Article 2024 Jakub Kielar, Zbigniew Rogala, Ziemowit Malecha, Błażej Ł Baran, Jarosław Poliński, Michał Stanclik, Comprehensive experimental and modeling analysis of helically-wound coiled vaporizer. Applied Thermal Engineering. 2024, vol. 257, Pt. C, art. 124407, s. 1-16. ISSN: 1359-4311; 1873-5606 Resources:DOIURLSFX
4	Article 2024 Ziemowit Malecha, Uniwersytet Harvarda i upadek standardów akademickich. Forum Akademickie. 2024, nr 9. ISSN: 1233-0930 Resources:URL
5	Article 2024 Ziemowit Malecha, Adam Sobczyk, Using artificial intelligence to predict the aerodynamic properties of wind turbine profiles. Computers. 2024, vol. 13, nr 7, art. 167, s. 1-14. ISSN: 2073-431X Resources:DOIURLSFX
6	Proceeding paper 2024 Korneliusz J Sierpowski, Wojciech Gizicki, Ziemowit Malecha, Maciej Chorowski, Optimization of thermoelectric generator power density for cryogen cold exergy recovery. W: Advances in Cryogenic Engineering: Proceedings of the Cryogenic Engineering Conference (CEC) 2023, 09-13 July 2023, Honolulu, USA. [Bristol : IOP Publishing, 2024]. art. 012169, s. 1-8. Resources:URLSFX
7	Article 2024 Krzysztof M Kus, Marcin Wójcik, Ziemowit Malecha, Zbigniew Rogala, Numerical and experimental investigation of the gyroid heat exchanger. International Journal of Heat and Mass Transfer. 2024, vol. 231, art. 125882, s. 1-17. ISSN: 0017-9310; 1879-2189 Resources:DOIURLSFX
8	Article 2024 Łukasz P Malicki, Ziemowit Malecha, Błażej Ł Baran, Rafał Juszko, Numerical investigation of a novel type of rotor working in a palisade configuration. Energies. 2024, vol. 17, nr 13, art. 3093, s. 1-30. ISSN: 1996-1073 Resources:DOIURLSFX
9	Article 2024 Krystian Machaj, Jakub Kupecki, Anna Niemczyk, Ziemowit Malecha, Jack Brouwer, Dominika Porwisiak, Numerical analysis of the relation between the porosity of the fuel electrode support and functional layer, and performance of solid oxide fuel cells using computational fluid dynamics. International Journal of Hydrogen Energy. 2024, vol. 52, Pt. A, s. 936-951. ISSN: 0360-3199; 1879-3487 Resources:DOIURLSFX
10	Article 2023 Łukasz P Malicki, Ziemowit Malecha, Krzysztof Tomczuk, Leading-edge vortex controller (LEVCON) influence on the aerodynamic characteristics of a modern fighter jet. Energies. 2023, vol. 16, nr 22, art. 7590, s. 1-37. ISSN: 1996-1073 Resources:DOIURLSFX

Papers in DONA database