| Issue |
EPJ Web of Conferences
Volume 67, 2014
EFM13 – Experimental Fluid Mechanics 2013
|
|
|---|---|---|
| Article Number | 02093 | |
| Number of page(s) | 6 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/20146702093 | |
| Published online | 25 March 2014 | |
https://doi.org/10.1051/epjconf/20146702093
Comparison of heat transfer in straight and corrugated minichannels with two-phase flow
1 Institute of Thermomechanics AS CR, v. v. i., Dolejškova 1402/5, 182 00 Praha 8
2 KEZ, TUL, FS, Studentská 2, 461 17 Liberec, Czech Republic
3 VÚTS, Svárovská 619, 460 01 Liberec, Czech Republic
a e-mail: pavel.peukert@tul.cz
b e-mail: hruby@it.cas.cz
Published online: 25 March 2014
Measurements of heat transfer rates performed with an experimental condensation heat exchanger are reported for a corrugated minichannel tube and for a straight minichannel tube. The two cases were compared at same flow regimes. The corrugation appears advantageous for relatively low steam pressures and flow rates where much higher heat transfer rates were observed close to the steam entrance, thus allowing shortening the heat exchanger with the associated advantages of costs lowering and smaller built-up space. At high steam pressures and high flow rates both tubes performed similarly.
© Owned by the authors, published by EDP Sciences, 2014
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