IHE / Employees / Researchers and Lecturers / Pietrak Karol

Karol Pietrak

PhD, MSc, Thermodynamics division,  room 208, e-mail: karol.pietrak@itc.pw.edu.pl phone: (48) 22 234 52 23

Office hours: Mondays 12-14

Functions within the Institute and WUT:

Key research areas:

  • Numerical methods
  • Inverse thermal problems
  • Heat transfer in heterogeneous media
  • Measurement techniques

Topics of intermediate and diploma projects (examples):

  • Design GUI in MATLAB for a simple engineering application enabling calculation of effective thermal conductivity of composite material
  • Train artificial neural networks in MATLAB (pattern recognition problem)
  • Measurement uncertainty and measurement error - definitions, classifications and estimation methods (writing a guide for other students based on newest norms)
  • Calculations of electronics cooling systems and other heat exchangers (Design cooling for a chip, smartphone, computer etc. - analytical and/or numerical method)

Teaching courses:

  • Thermodynamics (lecture and tutorials for the external studies, in Polish)
  • Computer science 1 (lab, in Polish)
  • Intergrated laboratory (lab, in Polish)
  • Thermodynamics 1 (tutorials, in Polish)

Key publications:

  • E. Jarzębowska and K. Pietrak, “Constrained Mechanical Systems Modeling and Control: a Free-Floating Space Manipulator Case as a Multi-Constrained System,” Robotics and Autonomous Systems, vol. 62, no. 10, pp. 1353–1360, 2014.
  • K. Pietrak, “Review of the Socionic Model of Information Metabolism at Individual, Interpersonal and Societal Levels,” SSRN Electronic Journal, 2018.
  • K. Pietrak, M. Kubiś, M. M. Langowski, M. Kropielnicki, and P. Wultański, “Effect of particle shape and imperfect filler-matrix interface on effective thermal conductivity of epoxy-aluminum composite,” Composites, Theory and Practice, no. 17:4, pp. 183–188, 2017.
  • K. Pietrak and T. Wiśniewski, “Methods for experimental determination of solid-solid interfacial thermal resistance with application to composite materials,” Journal of Power Technologies, vol. 94, no. 4, pp. 270–285, 2014.
  • K. Pietrak, P. Łapka, and M. Kujawińska, “Inverse analysis for the identification of temporal and spatial characteristics of a short super-Gaussian laser pulse interacting with a solid plate,” International Journal of Thermal Sciences, vol. 134, pp. 585–593, 2018.
  • Ł. Cieślikiewicz, M. Wasik, M. Kubiś, P. Łapka, M. Bugaj, K. Pietrak, T. Wiśniewski, P. Furmański, and M. Seredyński, “Development of the experimental stand with centrally located specimen for the investigation of heat and moisture phenomena in porous building materials,” Civil and Environmental Engineering Reports, vol. 29, no. 1, 2019.
  • K. Pietrak, T. Wiśniewski, and M. Kubiś, “Application of flash method in the measurements of interfacial thermal resistance in layered and particulate composite materials,” Thermochimica Acta, no. 654, pp. 54–64, 2017.
  • K. Pietrak, “The foundations of socionics – A review,” Cognitive Systems Research, vol. 47, pp. 1–11, 2018.
  • K. Pietrak, M. Kubiś, and T. Wiśniewski, “Badania właściwości cieplnych materiałów ochron osobistych,” Zeszyty Naukowe Szkoły Głównej Służby Pożarniczej, vol. 58 (t. 2), no. 2, pp. 173–192, 2016.
  • K. Pietrak and T. Wiśniewski, “A review of models for effective thermal conductivity of composite materials,” Journal of Power Technologies, vol. 95, no. 1, pp. 14–24, 2015.
  • full list, WUT Base of Knowledge
  • Google Scholar page

Participation in research projects:

  • 2017-2020: DryWall - Development of an innovative technology for drying and insulating of walls (National Center for Research and Development, POIR.04.01.02-00-0099/16)
  • 2013-2016: INNOOS -Development of a system of innovative test stands for examination of personal protective equipment (National Center for Research and Development, O-ROB/ 0011/03/001)
  • 2012-2013: TERMET – New functional materials of increased thermal conductivity (EU fund Innovative Economy, POIG.01.01.02-00-097/09)

Organizational activity:

  • peer reviews for journals: Thermochimica Acta, International Journal of Solids and Structures, International Journal of Materials Research, eXPRESS Polymer Letters, Buildings
  • since 2018 - editor of the web page of Division of Thermodynamics


  • hobby: singing, music composition, old computers, personality psychology

Educational materials and notes: