| Issue |
EPJ Web of Conferences
Volume 67, 2014
EFM13 – Experimental Fluid Mechanics 2013
|
|
|---|---|---|
| Article Number | 02060 | |
| Number of page(s) | 8 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/20146702060 | |
| Published online | 25 March 2014 | |
https://doi.org/10.1051/epjconf/20146702060
Study of Temperature Fields at Sprinkled Smooth and Sandblasted Tube Bundle
Institute of Power Engineering, Brno University of Technology, Faculty of Mechanical Engineering, Technická 2896/2, 616 69 Brno, The Czech Republic
a Corresponding author: kracik@fme.vutbr.cz
Published online: 25 March 2014
The paper focuses on the influence of sprinkled tube surface on distribution of temperature fields, i.e. the heat transfer coefficient on the tubes surface. Two types of tubes have been tested, a smooth one and a sandblasted one in particular. A tube bundle comprises of thirteen copper tubes divided into two rows and it is located in a low pressure chamber where vacuum is generated using an exhauster via ejector. The liquid tested was water at an absolute pressure in a chamber in between 97 kPa up to 10 kPa and a thermal gradient 55 to 30 °C. The flow of the falling film liquid ranged between zero and 17 litres per minute.
© Owned by the authors, published by EDP Sciences, 2014
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