THERMAL SCIENCE

International Scientific Journal

Kailun Guo

,

Chenglong Wang

,

Dalin Zhang

,

Wenxi Tian

,

Guanghui Su

,

Suizheng Qiu

INVESTIGATIONS OF NEAR-WALL BUBBLE BEHAVIOR IN WIRE HEATERS POOL BOILING

ABSTRACT
Current work establishes a pool boiling critical heat flux prediction method based on percolation theory. For the first time, we observe the experimental bubble footprint’s power-law distributions with almost the same exponent in wire heaters’ water pool boiling crisis, which is borne out strongly that boiling crisis is a typical continuum percolative scale-free behavior, and its characteristics seems not to be influenced by the critical heat flux value. The proposed 1-D Monte-Carlo method successfully simulates the phase transition of interactive near-wall bubbles. This research enriches and extends applications of continuum percolation theory in boiling phenomena, and could be an instruction for the followed critical heat flux enhancement studies.
KEYWORDS
1D continuum percolation theory, boiling crisis, CHF, pool boiling, critical phenomena, scale-free behavior, numerical simulation
PAPER SUBMITTED: 2020-04-08
PAPER REVISED: 1970-01-01
PAPER ACCEPTED: 2020-10-03
PUBLISHED ONLINE: 2020-12-05
DOI REFERENCE: https://doi.org/10.2298/TSCI200408333G
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 5, PAGES [3957 - 3967]
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Investigations of near-wall bubble behavior in wire heaters pool boiling

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