<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The heat exchangers are used to heat or cool the material streams. To calculate the heat exchanger, it is important to know the type of heat exchanger and its operating characteristic. This characteristic determines one of the key variables (e.g., <italic>F</italic>, NTU<sub>min</sub>, or θ). In some special cases, it is not necessary to know its operating characteristic to calculate the heat exchanger. This article deals with these special cases. The article also contains a general dependency that allows checking the key variables related to a given heat exchanger.</p></abstract>

The heat exchangers are used to heat or cool the material streams. To calculate the heat exchanger, it is important to know the type of heat exchanger and its operating characteristic. This characteristic determines one of the key variables (e.g., F, NTUmin, or θ). In some special cases, it is not necessary to know its operating characteristic to calculate the heat exchanger. This article deals with these special cases. The article also contains a general dependency that allows checking the key variables related to a given heat exchanger.

The Recuperative Heat Exchangers – The Mean Temperature Difference in the Special Cases of Heat Transfer

Slovak University of Technology in Bratislava

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The heat exchangers are used to heat or cool the material streams. To calculate the heat exchanger, it is important to know the type of heat exchanger and its...

The Recuperative Heat Exchangers – The Mean Temperature Difference in the Special Cases of Heat Transfer

Publié en ligne: 13 mai 2020

Pages: 47 - 56

DOI: https://doi.org/10.2478/scjme-2020-0005

Mots clés
Recuperative heat exchanger, number of transfer units, operating characteristic, heat efficiency

© 2020 Gužela Štefan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The Recuperative Heat Exchangers – The Mean Temperature Difference in the Special Cases of Heat Transfer

Publié en ligne: 13 mai 2020

Pages: 47 - 56

DOI: https://doi.org/10.2478/scjme-2020-0005

Mots clésRecuperative heat exchanger, number of transfer units, operating characteristic, heat efficiency

© 2020 Gužela Štefan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Recuperative heat exchanger, number of transfer units, operating characteristic, heat efficiency