Heat exchange on the outside of the pipe when heat is distributed by heat networks

• Romana Dobáková

  Technical University of Košice, Slovakia

  Author

• Natália Jasminská

  Technical University of Košice, Slovakia

  Author

• Tomáš Brestovič

  Technical University of Košice, Slovakia

  Author

• Marian Lazár

  Technical University of Košice, Slovakia

  Author

• Jiří Marek

  Technical University of Ostrava, Czech Republic

  Author

The article deals with the exchange of heat on the outside of the pipe when distributing heat through heat networks. This is a combined heat exchange, i.e. free convection and radiation. The calculations and outputs analysed in the article are mainly applicable to thermal networks run aboveground. In the calculation, an ambient temperature of 15 °C was measured, ranging from the temperatures corresponding to the air temperatures in the channel. The results are interpreted in the form of diagrams and tables. The calculation was performed on the secondary DN 125 pipe with PIPO_ALS insulation and the calculation was extended to all nominal diameters used in the secondary wiring for determining the influence of heat transfer, depending on the change in pipe diameter.

1. Romana Dobáková, Technical University of Košice, Slovakia

   PhD student, Department of Power Engineering, Faculty of Mechanical Engineering.

2. Natália Jasminská, Technical University of Košice, Slovakia

   Department of Power Engineering, Faculty of Mechanical Engineering

3. Tomáš Brestovič, Technical University of Košice, Slovakia

   Department of Power Engineering, Faculty of Mechanical Engineering

4. Marian Lazár, Technical University of Košice, Slovakia

   Department of Power Engineering, Faculty of Mechanical Engineering

5. Jiří Marek, Technical University of Ostrava, Czech Republic

   Faculty of Metallurgy and Materials Engineering

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Copyright (c) 2017 Romana Dobáková, Natália Jasminská, Tomáš Brestovič, Marian Lazár, Jiří Marek

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