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	Article 2023 Krystian Machaj, Marek Skrzypkiewicz, Anna Niemczyk, Jakub Kupecki, Ziemowit Malecha, Maciej Chorowski, Impact of thickness on direct ammonia decomposition in solid oxide fuel cells, numerical and experimental research. ECS Transactions. 2023, vol. 111, nr 6, s. 2203-2214. ISSN: 1938-5862; 1938-6737 Resources:DOIURLSFX
2	Article 2023 Zbigniew Rogala, Michał Stanclik, Dariusz Łuszkiewicz, Ziemowit Malecha, Maciej Chorowski, Biogaz i biometan: potencjał i wyzwania w kontekście transformacji energetycznej = Biogas and biomethane: potential and challenges in the context of energy transformation. Rynek Energii. 2023, nr 1, s. 40-48. ISSN: 1425-5960 Resources:URL
3	Article 2023 Anna A Pacak, Błażej Baran, Korneliusz J Sierpowski, Ziemowit Malecha, Demis Pandelidis, Application of computational fluid dynamics (CFD) methods to analyze energy efficiency of indirect evaporative coolers. International Communications in Heat and Mass Transfer. 2023, vol. 143, art. 106727, s. 1-10. ISSN: 0735-1933; 1879-0178 Resources:DOISFX
4	Article 2023 Zbigniew Rogala, Michał Stanclik, Dariusz Łuszkiewicz, Ziemowit Malecha, Perspectives for the use of biogas and biomethane in the context of the green energy transformation on the example of an EU country. Energies. 2023, vol. 16, nr 4, art. 1911, s. 1-11. ISSN: 1996-1073 Resources:DOIURLSFX
5	Article 2023 Anna A Pacak, Korneliusz J Sierpowski, Błażej Baran, Ziemowit Malecha, William M Worek, Sabri Cetin, Demis Pandelidis, Impact of air distribution on dew point evaporative cooler thermal performance. Applied Thermal Engineering. 2023, vol. 224, art. 120137, s. 1-17. ISSN: 1359-4311; 1873-5606 Resources:DOIURLSFX
6	Article 2023 Ziemowit Malecha, Analiza ekonomiczna oraz wykorzystania mocy dla farmy wiatrowej typu offshore na Morzu Bałtyckim = Economic analysis and power capacity factor estimation for an offshore wind farm in the Baltic Sea. Instal (Warszawa). 2023, nr 1, s. 4-11. ISSN: 1640-8160 Resources:DOIURL
7	Article 2023 Ziemowit Malecha, Three-dimensional numerical study of acoustic streaming phenomenon in rectangular resonator. Fluid Dynamics Research. 2023, vol. 55, nr 1, art. 015504, s. 1-16. ISSN: 0169-5983; 1873-7005 Resources:DOIURLSFX
8	Article 2023 Paweł Płuszka, Ziemowit Malecha, Daniel Lewandowski, Kacper S Surma, Numerical investigation of working fluid properties impacting performance of magnetocaloric cooling device. Applied Thermal Engineering. 2023, vol. 218, art. 119305, s. 1-55. ISSN: 1359-4311; 1873-5606 Resources:DOIURLSFX
9	Proceedings papers editing 2022 Maciej Cholewiński, Katarzyna Strzelecka, Ziemowit Malecha, Przemysław Rudź, II Studencka Konferencja Kosmiczna : publikacje konferencyjne: praca zbiorowa. Wrocław: Oficyna Wydawnicza Politechniki Wrocławskiej, 2022. 59 s. ISBN: 978-83-7493-224-0 Resources:URL
10	Article 2022 Ziemowit Malecha, Maciej Chorowski, Zbigniew Rogala, Radosław Maj, Jak uwolnić moce? Zmniejszenie zużycia energii elektrycznej w Polsce poprzez wymianę urządzeń AGD. Energetyka Cieplna i Zawodowa. 2022, nr 4, s. 126-132. ISSN: 1734-7823 Resources:URL

Papers in DONA database