@ARTICLE{Rup_Kazimierz_Calculation_2022, author={Rup, Kazimierz}, volume={vol. 43}, number={No 1}, journal={Archives of Thermodynamics}, pages={127-140}, howpublished={online}, year={2022}, publisher={The Committee of Thermodynamics and Combustion of the Polish Academy of Sciences and The Institute of Fluid-Flow Machinery Polish Academy of Sciences}, abstract={In this paper, the logarithmic mean temperature difference method is used to determine the heat power of a tube-in-tube exchanger. Analytical solutions of the heat balance equations for the exchanger are presented. The considerations are illustrated by an example solution of the problem. In particular, the heat power of the tube-in-tube heat exchanger is determined taking into account the variants of work in the co-current and counter-current mode. Apart from the analytical solutions, appropriate numerical calculations in Matlab environment have been carried out.}, type={Article}, title={Calculation of the heat power of a tube heat exchanger}, URL={http://www.journals.pan.pl/Content/122895/PDF/art07_internet.pdf}, doi={10.24425/ather.2022.140928}, keywords={Heat power, Tube-in-tube exchanger, Analytical solutions, Numerical calculations}, }