Nucleate Boiling Heat Transfer in Silicon-Based Micro-Channels

P. C. Lee; H. Y. Li; F. G. Tseng; Chin Pan

doi:10.1115/ht2003-47220

Nucleate Boiling Heat Transfer in Silicon-Based Micro-Channels

P. C. Lee
, H. Y. Li
, F. G. Tseng
, Chin Pan

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

11 Citations (Scopus)

Abstract

Nucleate boiling heat transfer is of significant interest for the design of a compact evaporator. This work investigates experimentally the nucleate boiling heat transfer in silicon based triangular and trapezoid microchannels with hydraulic diameter of 36.1 μ m and 41.3 μ m, respectively. Bubble nucleation and interactions are clearly observed in the entrance region, while the two-phase flow pattern in the microchannels is dominated by slug flow with long Taylor bubbles or annular flow. The evaporation of the very thin liquid film is speculated to be the major mode of heat transfer. The two-phase pressure drop is very significant and the corresponding variation in the saturation temperature should be considered in the analysis.

Original language	English
Title of host publication	Proceedings of the 2003 ASME Summer Heat Transfer Conference
Pages	417-420
Volume	2
ISBN (Electronic)	0791836797
DOIs	https://doi.org/10.1115/ht2003-47220
Publication status	Published - Jul 2003
Externally published	Yes
Event	2003 ASME Heat Transfer Summer Conference (HT2003) - Las Vegas, United States Duration: 21 Jul 2003 → 23 Jul 2003

Conference

Conference	2003 ASME Heat Transfer Summer Conference (HT2003)
Place	United States
City	Las Vegas
Period	21/07/03 → 23/07/03

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title = "Nucleate Boiling Heat Transfer in Silicon-Based Micro-Channels",

abstract = "Nucleate boiling heat transfer is of significant interest for the design of a compact evaporator. This work investigates experimentally the nucleate boiling heat transfer in silicon based triangular and trapezoid microchannels with hydraulic diameter of 36.1 μ m and 41.3 μ m, respectively. Bubble nucleation and interactions are clearly observed in the entrance region, while the two-phase flow pattern in the microchannels is dominated by slug flow with long Taylor bubbles or annular flow. The evaporation of the very thin liquid film is speculated to be the major mode of heat transfer. The two-phase pressure drop is very significant and the corresponding variation in the saturation temperature should be considered in the analysis.",

author = "Lee, \{P. C.\} and Li, \{H. Y.\} and Tseng, \{F. G.\} and Chin Pan",

year = "2003",

month = jul,

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volume = "2",

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AU - Lee, P. C.

AU - Li, H. Y.

AU - Tseng, F. G.

AU - Pan, Chin

PY - 2003/7

Y1 - 2003/7

N2 - Nucleate boiling heat transfer is of significant interest for the design of a compact evaporator. This work investigates experimentally the nucleate boiling heat transfer in silicon based triangular and trapezoid microchannels with hydraulic diameter of 36.1 μ m and 41.3 μ m, respectively. Bubble nucleation and interactions are clearly observed in the entrance region, while the two-phase flow pattern in the microchannels is dominated by slug flow with long Taylor bubbles or annular flow. The evaporation of the very thin liquid film is speculated to be the major mode of heat transfer. The two-phase pressure drop is very significant and the corresponding variation in the saturation temperature should be considered in the analysis.

AB - Nucleate boiling heat transfer is of significant interest for the design of a compact evaporator. This work investigates experimentally the nucleate boiling heat transfer in silicon based triangular and trapezoid microchannels with hydraulic diameter of 36.1 μ m and 41.3 μ m, respectively. Bubble nucleation and interactions are clearly observed in the entrance region, while the two-phase flow pattern in the microchannels is dominated by slug flow with long Taylor bubbles or annular flow. The evaporation of the very thin liquid film is speculated to be the major mode of heat transfer. The two-phase pressure drop is very significant and the corresponding variation in the saturation temperature should be considered in the analysis.

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U2 - 10.1115/ht2003-47220

DO - 10.1115/ht2003-47220

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 0791836940

VL - 2

SP - 417

EP - 420

BT - Proceedings of the 2003 ASME Summer Heat Transfer Conference

T2 - 2003 ASME Heat Transfer Summer Conference (HT2003)

Y2 - 21 July 2003 through 23 July 2003

ER -

Nucleate Boiling Heat Transfer in Silicon-Based Micro-Channels

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