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Faculty of Mechanical and Power Engineering

Krzysztof Czajka, DSc, PhD, Eng

Email: krzysztof.czajka@pwr.edu.pl

Unit: Faculty of Mechanical and Power Engineering » Department of Energy Conversion Engineering

M. Smoluchowskiego 21, 50-370 Wrocław
building A-4, room 302krzysztofczajka.jpg
phone +48 71 320 2324

Office hours (summer semester 2023/2024)

  • Monday 13.15-15.00
  • Tuesday 13.15-15.00

Research fields

  • kinetics of thermal processes;
  • thermal analysis (TGA, DSC);
  • pyrolysis, gasification and combustion of solid fuels;
  • gasifiers and pyrolysis reactors;
  • steam and gas turbines, compressors and fans;
  • life cycle assessment.

Recent papers

2022

  • Hao l., Wang X., Krochmalny K., Niedźwiecki Ł., Czajka K., Pawlak-Kruczek H., Wu X., Liu X., Xiong Q., Assessments and analysis of lumped and detailed pyrolysis kinetics for biomass torrefaction with particle-scale modeling. Biomass and Bioenergy. 2022, vol. 166, 106619.
  • Czajka K., Kawalec W., Król R., Sówka I., Modelling and calculation of raw material industry. Energies. 2022, vol. 15(14), 5035.

2021

  • Czajka K., The impact of the thermal lag on the interpretation of cellulose pyrolysis. Energy. 2021, vol. 236, 121497.
  • Czajka K., Gasification of coal by CO2: The impact of the heat transfer limitation on the prgoress, reaction rate and kinetics of the process. Energies. 2021, vol. 14(17), 5569.

2020

  • Krochmalny K., Niedźwiecki Ł., Pelińska-Olko E., Wnukowski M., Czajka K., Tkaczuk-Serafin M., Pawlak-Kruczek H., Determination of the marker for automation of torrefaction and slow pyrolysis processes - a case study of spherical wood particles. Renewable Energy. 2020, vol. 161, s. 350-360.
  • Czajczyńska D., Czajka K., Krzyżyńska R., Jouhara H., Waste tyre pyrolysis - impact of the process and its products on the environment. Thermal Science and Engineering Progress. 2020, vol. 20, s. 1-31.

2019

  • Czajka K., Modliński N., Kisiela-Czajka A., Naidoo R., Peta S., Nyangwa B., Volatile matter release from coal at different heating rates - experimental study and kinetic modelling. Journal of Analytical and Applied Pyrolysis. 2019, vol. 139, s. 282-290.

2018

  • Czajka K., Proximate analysis of coal by micro-TG method. Journal of Analytical and Applied Pyrolysis. 2018, vol. 133, s. 82-90.

2017

  • Pilatau A., Czajka K., Petraconi F. G., Medeiros H. S., Kisiela A., Evaluation criteria for the assessment of the influence of additives (AlCl3 and ZnCl2) on pyrolysis of sunflower oil cake. Waste and Biomass Valorization. 2017, vol. 8, nr 8, s. 2595-2607.
  • Rybak W., Moroń W., Czajka K., Kisiela A., Ferens W., Jodkowski W., Andryjowicz C., Co-combustion of unburned carbon separated from lignite fly ash. Energy Procedia. 2017, vol. 120, s. 197-205.

2016

  • Czajka K., Kisiela A., Moroń W., Ferens W., Rybak W., Pyrolysis of solid fuels: thermochemical behaviour, kinetics and compensation effect. Fuel Processing Technology. 2016, vol. 142, s. 42-53.
  • Kisiela A., Czajka K., Moroń W., Rybak W., Andryjowicz C., Unburned carbon from lignite fly ash as an adsorbent for SO2 removal. Energy. 2016, vol. 116, pt. 3, s. 1454-1463.
  • Moroń W., Ferens W., Czajka K., Explosion of different ranks coal dust in oxy-fuel atmosphere. Fuel Processing Technology. 2016, vol. 148, s. 388-394.
  • Li J., Paul M.C., Czajka K., Studies of ignition of biomass particles in a down-fire reactor for improving co-firing performance. Energy & Fuels. 2016, vol. 30, nr 7, s. 5870-5877.

2014

  • Xue G., Kwapińska M., Kwapiński W., Czajka K., Kennedy J., Leahy J.J., Impact of torrefaction on properties of Miscanthus × giganteus relevant to gasification. Fuel (Guildford). 2014, vol. 121, s. 189-197.
  • Xue G., Kwapińska M., Horvat A., Kwapiński W., Rabou L.P.L.M., Dooley S., Czajka K., Leahy J.J.,Gasification of torrefied of Miscanthus × giganteus in an air-blown bubbling fluidized bed gasifier. Bioresource Technology. 2014, vol. 159, s. 397-403.

Publikacje w bazie DONA

 


Selected papers
1
Artykuł
2025
Krzysztof Czajka, Janusz Skrzypa, Anna M Kisiela-Czajka, Dominika Kufka, Barbara Rogosz,
Valorisation of poultry feathers through pyrolysis: a pilot-scale waste-to-energy approach. Energies. 2025, vol. 18, nr 19, art. 5188, s. 1-21. ISSN: 1996-1073
Zasoby:DOIURLSFXImpact FactorLista FiladelfijskaLista MNiSWOpen Access
2
Rozdział w książce
2025
Konrad Babul, Krzysztof Czajka,
Numeryczna analiza wpływu budowy układu łopatkowego na warunki pracy wirnika turbiny wiatrowej o osi pionowej. W: Zagadnienia aktualnie poruszane przez młodych naukowców 24 / red. Krzysztof Piech. Kraków : Creativetime, 2025. s. 376-382. ISBN: 978-83-66772-50-2
Zasoby:URL
3
Artykuł
2025
Krzysztof Czajka,
Evaluation of the reliability of thermogravimetric indices for predicting coal performance in utility systems. Energies. 2025, vol. 18, nr 13, art. 3473, s. 1-36. ISSN: 1996-1073
Zasoby:DOIURLSFXImpact FactorLista FiladelfijskaLista MNiSWOpen Access
4
Artykuł
2024
Krzysztof Czajka,
Oznaczanie wartości opałowej koksów za pomocą różnicowej kalorymetrii skaningowej DSC połączonej z analizą termograwimetryczną TGA = Determination of lower calorific value using differential scanning calorimetry (DSC) coupled with thermogravimetry (TGA). Górnictwo Odkrywkowe. 2024, nr 2, s. 4-10. ISSN: 0043-2075
Zasoby:DOIURL
5
Artykuł
2024
Krzysztof Czajka, Krystian K Krochmalny, Anna M Kisiela-Czajka, Michał J Ostrycharczyk, Michał J Czerep, Monika B Tkaczuk, Marcin J Baranowski, Łukasz Niedźwiecki, Halina Pawlak-Kruczek, Kamila Jóźwiak, Oksana M Holovko-Kamoshenkova, Oleksii Provalov, Mykola Cherniavskyi,
Investigating the potential of a waste-derived additive for enhancing coal combustion efficiency and environmental sustainability in a circular economy. Energy. 2024, vol. 295, art. 131035, s. 1-15. ISSN: 0360-5442; 1873-6785
Zasoby:DOIURLSFXImpact FactorLista FiladelfijskaLista MNiSW
6
Referat konferencyjny
2023
Halina Pawlak-Kruczek, Krzysztof Czajka, Krystian K Krochmalny, Anna M Kisiela-Czajka, Michał J Ostrycharczyk, Michał J Czerep, Monika B Tkaczuk, Marcin J Baranowski, Łukasz Niedźwiecki, Kamila Jóźwiak,
Effect of calcium-based activating additives on combustion behaviour of coals. W: Clearwater Clean Energy Conference 2022 : 46th International Technical Conference on Clean Energy,Clearwater, Florida, USA 1-4 August 2022. Vol. 1 of 2 / ed. Barbara A. Sakkestad. Louisa: Coal Technologies Associates, [2023]. s. 353-359. ISBN: 978-1-7138-5242-1; 978-1-7138-6258-1
Zasoby:DOIURL
7
Artykuł
2022
Hao Luo, Xiaobao Wang, Krystian K Krochmalny, Łukasz Niedźwiecki, Krzysztof Czajka, Halina Pawlak-Kruczek, Xiaoqin Wu, Qingang Xiong,
Assessments and analysis of lumped and detailed pyrolysis kinetics for biomass torrefaction with particle-scale modeling. Biomass and Bioenergy. 2022, vol. 166, art. 106619, s. 1-11. ISSN: 0961-9534; 1873-2909
Zasoby:DOIURLSFXImpact FactorLista FiladelfijskaLista MNiSW
8
Redakcja monografii i prac zbiorowych
2022
Krzysztof Czajka, Witold Kawalec, Robert Król, Izabela Sówka,
Modelling and calculation of raw material industry. Basel: MDPI, 2022. VIII, 250 s. ISBN: 978-3-0365-5212-5; 978-3-0365-5211-8
Zasoby:DOIURLOpen Access
9
Referat konferencyjny
2021
Kamila Jóźwiak, Krzysztof Czajka,
Recovery of sulfur dioxide from flue gas for sulphuric acid production. W: VI International Scientific Conference,Winter Session:Industry 4.0 : proceedings , 08-11 December 2021, Borovets, Bulgaria. Vol. 2, Technological basis of "Industry 4.0" dominant technologies in “Industry 4.0”. [B.m. : International Scientific Conference Industry 4.0, 2021]. s. 236-237.
Zasoby:URLOpen Access
10
Artykuł
2021
Krzysztof Ewertowski, Krzysztof Czajka,
Dynamic mesh adaption in shockwaves simulations. MTM Machines, Technologies, Materials. 2021, vol. 15, nr 8, s. 306-308. ISSN: 1313-0226; 1314-507X
Zasoby:URLSFXOpen Access

Papers in DONA database

Politechnika Wrocławska © 2025