Friday, October 29, 2010

ISI Web of Knowledge Alert - Thompson, P

ISI Web of Knowledge Citation Alert

Cited Article: Thompson, P. A general boundary condition for liquid flow at solid surfaces
Alert Expires: 09 NOV 2010
Number of Citing Articles: 2 new records this week (2 in this e-mail)
Organization ID: 3b97d1bbc1878baed0ab183d8b03130b
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Title:
Scale Effects and Slip Microflow Characteristics of Evaporating Thin Films in a Microchannel

Authors:
Zhao, JJ; Peng, XF; Duan, YY

Author Full Names:
Zhao, J. J.; Peng, X. F.; Duan, Y. Y.

Source:
MNHMT2009, VOL 2 : 61-70 2010

Language:
English

Document Type:
Proceedings Paper

Author Keywords:
Evaporation Thin Film; Scale Effect; Near-wall Miroflow and Microlayer; Wall Slip; Wall Temperature Jump; Microchannel

KeyWords Plus:
HEAT-TRANSFER; FLUID-FLOW; MENISCUS; REGION

Abstract:
Micro flow, phase change and heat transfer characteristics of an evaporating thin film in a microchannel was investigated using an augmented Young-Laplace model and the kinetic theory for transverse flow in a solid-liquid-vapor triple contact line region. A model considering both wall slip and wall temperature jump was developed to explore scale effects of channel width. The results show that the average heat transfer coefficient and Reynolds number in thin film regions decrease with decreasing channel width, indicating worse flow and heat transfer characteristics. The scale effects are caused by increased far-field liquid film curvature and film thickness and consequently lower liquid superheat and lower evaporation pumping capability.
Original models describing wall-affected ordered adsorbed flowing liquid microlayer and variable slip coefficient were established to give the solid-liquid interfacial resistance and wall temperature jump. Microflow and microlayer near a wall increase wall thermal resistance and thus leads to worse film spreading and heat transfer characteristics, which are significant in thin film regions. The microflow model with variable slip coefficient is logical, more reasonable in results and better than the microflow model with constant slip coefficient.

Reprint Address:
Zhao, JJ, Tsinghua Univ, Lab Phase Change & Interfacial Transport Phenomen, Dept Thermal Engn, Beijing 100084, Peoples R China.

Research Institution addresses:
[Zhao, J. J.; Peng, X. F.; Duan, Y. Y.] Tsinghua Univ, Lab Phase Change & Interfacial Transport Phenomen, Dept Thermal Engn, Beijing 100084, Peoples R China

E-mail Address:
pxf-dte@mail.tsinghua.edu.cn

Cited References:
CAREY VP, 1992, LIQUID VAPOR PHASE C, P91.
FREUND JB, 2005, PHYS FLUIDS, V17, ARTN 022104.
HOHMANN C, 2002, EXP THERM FLUID SCI, V26, P157.
JIAO AJ, 2007, INT J HEAT MASS TRAN, V50, P2905, DOI 10.1016/j.ijheatmasstransfer.2007.01.009.
KHRUSTALEV D, 1997, J HEAT TRANS-T ASME, V119, P272.
MA HB, 2008, MICROFLUID NANOFLUID, V4, P237, DOI 10.1007/s10404-007-0172-5.
PANCHAMGAM SS, 2008, INT J HEAT MASS TRAN, V51, P5368, DOI 10.1016/j.ijheatmasstransfer.2008.03.023.
PARK K, 2003, INT J HEAT MASS TRAN, V46, P2381, DOI 10.1016/S0017-9310(02)00541-0.
SODTKE C, 2006, INT J HEAT MASS TRAN, V49, P1100, DOI 10.1016/j.ijheatmasstransfer.2005.07.054.
THOMPSON PA, 1997, NATURE, V389, P360.
WANG H, 2007, INT J HEAT MASS TRAN, V50, P3933, DOI 10.1016/j.ijheatmasstransfer.2007.01.052.
WEE SK, 2005, INT J HEAT MASS TRAN, V48, P265, DOI 10.1016/j.ijheatmasstransfer.2004.08.021.

Cited Reference Count:
12

Times Cited:
0

Publisher:
AMER SOC MECHANICAL ENGINEERS; THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA

IDS Number:
BRH70

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Title:
An Investigation for the Usability of K-K Equations for Nano Porous Membranes

Authors:
Lu, JF; Chu, Y; Lu, WQ

Author Full Names:
Lu, Junfeng; Chu, Yang; Lu, Wen-Qiang

Source:
MNHMT2009, VOL 2 : 513-518 2010

Language:
English

Document Type:
Proceedings Paper

Author Keywords:
K-K equations; molecular dynamics (MD); computational fluid dynamics (CFD); ultra-filtration; nano-filtration

KeyWords Plus:
POISEUILLE FLOW; LIQUID; PERMEABILITY; SURFACES; FLUIDS; PORES

Abstract:
As physical model used to interpret the fluid behavior when it passes through a semi-permeable membrane, Kedem-Ketchalsky's (K-K) equations [1, 2] were successfully used in a bunch of filtration processes. However, because they were developed and dedicated to normal ultra- and micro-filtration systems, their limitations were obviously observed in some sort of nano-filtration processes that the pore size of the filtration membrane is only several nanometers. This paper analyzed the feasible utilization scopes of K-K equations. And two methods, Molecular Dynamics (MD) method and Computational Fluid Dynamics (CFD) method, used respectively to analyze nano- and ultra- filtration processes are introduced in this paper.

Reprint Address:
Lu, JF, Chinese Acad Sci, Tech Inst Phys & Chem, Beijing, Peoples R China.

Research Institution addresses:
[Lu, Junfeng] Chinese Acad Sci, Tech Inst Phys & Chem, Beijing, Peoples R China

Cited References:
ALLEN MP, 1987, COMPUTER SIMULATION.
ANDERSON JL, 1974, BIOPHYS J, V14, P957.
ANDERSON JL, 1981, J THEOR BIOL, V90, P405.
CHU Y, ASME 2009 SUMM HEAT.
CHU Y, 2009, 6 INT S MULT FLOW HE.
GEE ML, 1990, J CHEM PHYS, V93, P1895.
GHOSAL S, P 2002 INT C MOD SIM, V1, P68.
KEDEM O, 1958, BIOCHIM BIOPHYS ACTA, V27, P229.
KEDEM O, 1961, J GEN PHYSIOL, V45, P143.
LU WQ, 2008, ENG ANAL BOUND ELEM, V32, P282, DOI 10.1016/j.enganabound.2007.10.006.
PAPPENHEIMER JR, 1953, PHYSIOL REV, V33, P387.
PATANKAR SV, 1981, NUMER HEAT TRANSFER, V4, P409.
POH C, 2006, ENCY BIOMATERIALS BI, DOI 10.1081/E-EBBE-120007344.
QIAO R, P 2002 INT C MOD SIM, V1, P28.
SONG X, 2008, INT J HEAT MASS TRAN, V51, P1770, DOI 10.1016/j.ijheatmasstransfer.2007.07.019.
TEHVER R, 1998, PHYS REV E, V57, R17.
THOMPSON PA, 1997, NATURE, V389, P360.
TRAVIS KP, 2000, J CHEM PHYS, V112, P1984.
XU JL, 2004, HEAT MASS TRANSFER, V40, P859, DOI 10.1007/s00231-003-0483-3.
ZIARANI AS, 2005, MICROFLUID NANOFLUID, V2, P12, DOI 10.1007/S10404-005-0036-9.

Cited Reference Count:
20

Times Cited:
0

Publisher:
AMER SOC MECHANICAL ENGINEERS; THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA

IDS Number:
BRH70

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