Steady evaporating flow in rectangular microchannels

被引：74

作者：

Nilson, RH ^{[1
]}

Tchikanda, SW

Griffiths, SK

Martinez, MJ

机构：

[1] Sandia Natl Labs, Fluid & Thermal Sci Dept, Livermore, CA 94551 USA

[2] Sandia Natl Labs, Multiphase Transport Proc Dept, Albuquerque, NM 87185 USA

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2006年 / 49卷 / 9-10期

关键词：

heat pipes; microfluidics; capillary flow; evaporative cooling; microgrooves;

D O I：

10.1016/j.ijheatmasstransfer.2005.11.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Analytical and numerical solutions are presented for steady evaporating flow in open microchannels having a rectangular cross section and a uniform depth. The flow, driven by the axial gradient of capillary pressure, generally consists of an entry region where the meniscus is attached to the top corners of the channel followed by a jump-like transition to a corner-flow region in which the meniscus progressively recedes into the bottom corners of the channel. Illustrative numerical solutions are used to guide the derivation of an easily applied analytical approximation for the maximum sustainable heat flux or capillary limit. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：1603 / 1618

页数：16

共 22 条

[1] Experimental and theoretical study of axial dryout point for evaporation from V-shaped microgrooves
Anand, S
De, S
Dasgupta, S
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2002, 45 (07) : 1535 - 1543
[2] AYYASWAMY PS, 1974, APPL MECH, P332
[3] Becker E. W., 1986, Microelectronic Engineering, V4, P35, DOI 10.1016/0167-9317(86)90004-3
[4] A semi-analytical model to predict the capillary limit of heated inclined triangular capillary grooves
Catton, I
Stroes, GR
[J]. JOURNAL OF HEAT TRANSFER-TRANSACTIONS OF THE ASME, 2002, 124 (01): : 162 - 168
[5] Recent developments in deep x-ray lithography
Ehrfeld, W
Schmidt, A
[J]. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, 1998, 16 (06): : 3526 - 3534
[6] Faghri Amir., 1995, HEAT PIPE SCI TECHNO
[7] HA JM, 1996, ASME, V118, P747
[8] Heat transfer in micro region of a rotating miniature heat pipe
Lin, LC
Faghri, A
[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 1999, 42 (08) : 1363 - 1369
[9] Contact angles for evaporating liquids predicted and compared with existing experiments
Morris, SJS
[J]. JOURNAL OF FLUID MECHANICS, 2001, 432 : 1 - 30
[10] The evaporating meniscus in a channel
Morris, SJS
[J]. JOURNAL OF FLUID MECHANICS, 2003, 494 : 297 - 317

← 1 2 3 →