Detail publikace

Experimental Investigation of Critical Heat Flux on Different Surfaces at Low Pressure and Low Flow

SUK, L. PETROSYAN, T. ŠTEVANKA, K. VLČEK, D. GEJDOŠ, P.

Originální název

Experimental Investigation of Critical Heat Flux on Different Surfaces at Low Pressure and Low Flow

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Steady state flow boiling experiments were carried out on several heated tubes with outer diameter 9.14 mm at outlet pressures 120, 200 and 300 kPa, inlet temperatures 64, 78 and 91 °C and approximately 400, 500, 600 and 800 kg/(m2·s) mass flux entering the vertically aligned test annulus until critical heat flux (CHF) was reached. The tubes were made of Inconel 625 with a length of 400 mm. The Inconel tubes were tested in three different modifications as smooth, abraded with 150 grit sandpaper and bead blasted. Multiple experiments were repeated on the same specimen to investigate the effect of surface characteristic changes (i.e., wettability, roughness and oxide layer morphology) on the occurrence of CHF. Despite the changes in initial wettability, the CHF dependency was not clearly observed, however, the changes in roughness led to an increase in CHF. The total number of 115 experimental runs were collected and the results were also compared with other literature experimental data.

Klíčová slova

critical heat flux; flow boiling; annulus; Inconel 625; two phase flow; low pressure

Autoři

SUK, L.; PETROSYAN, T.; ŠTEVANKA, K.; VLČEK, D.; GEJDOŠ, P.

Vydáno

6. 10. 2020

Nakladatel

MDPI

Místo

Basel, Switzerland

ISSN

1996-1073

Periodikum

ENERGIES

Ročník

13

Číslo

19

Stát

Švýcarská konfederace

Strany od

1

Strany do

23

Strany počet

23

URL

https://www.mdpi.com/1996-1073/13/19/5205

Plný text v Digitální knihovně

http://hdl.handle.net/11012/195684

BibTex

@article{BUT165589,
  author="Ladislav {Suk} and Taron {Petrosyan} and Kamil {Števanka} and Daniel {Vlček} and Pavel {Gejdoš}",
  title="Experimental Investigation of Critical Heat Flux on Different Surfaces at Low Pressure and Low Flow",
  journal="ENERGIES",
  year="2020",
  volume="13",
  number="19",
  pages="1--23",
  doi="10.3390/en13195205",
  issn="1996-1073",
  url="https://www.mdpi.com/1996-1073/13/19/5205"
}