Standard

Determining effects of spacer orientations on channel hydraulic conditions using PIV. / Haidari, A. H.; Heijman, S. G.J.; Uijttewaal, W. S.J.; van der Meer, W. G.J.

In: Journal of Water Process Engineering, Vol. 31, 100820, 2019.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

APA

Vancouver

Author

BibTeX

@article{4cc793f1e09e4568a8b4fa4575d7ae6e,
title = "Determining effects of spacer orientations on channel hydraulic conditions using PIV",
abstract = "Feed spacer orientation affects the velocity pattern and pressure drop of spacer-filled channels such as those encountered in Spiral-wound Membrane (SWM) modules of Reverse Osmosis (RO). However, there are only limited numbers of experimental studies on this topic. This study sets out to reveal more detailed information on the pressure drop and velocity patterns of spacer-filled channels. Particle Image Velocimetry (PIV) is used to provide high-resolution velocity maps for three commercial feed spacers of different thicknesses at a flow attack angle of 45° and 90°. The pressure drop is measured for the applied operational conditions (Re < 250). Results showed higher pressure losses, a better mixing of flow, a lower variation of temporal velocity, and a smaller variation of velocity over the channel height in the orientation with a flow attack angle of 45° as compared to 90°. The results presented here can be used to validate numerical studies, determine the fouling-sensitive regions in a spacer-filled channel and consequently, design the optimal spacer with respect to its orientation and thickness.",
keywords = "Feed spacer, Membrane, Particle image velocimetry, PIV, Reverse osmosis, Spiral wound modules",
author = "Haidari, {A. H.} and Heijman, {S. G.J.} and Uijttewaal, {W. S.J.} and {van der Meer}, {W. G.J.}",
year = "2019",
doi = "10.1016/j.jwpe.2019.100820",
language = "English",
volume = "31",
journal = "Journal of Water Process Engineering",
issn = "2214-7144",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Determining effects of spacer orientations on channel hydraulic conditions using PIV

AU - Haidari, A. H.

AU - Heijman, S. G.J.

AU - Uijttewaal, W. S.J.

AU - van der Meer, W. G.J.

PY - 2019

Y1 - 2019

N2 - Feed spacer orientation affects the velocity pattern and pressure drop of spacer-filled channels such as those encountered in Spiral-wound Membrane (SWM) modules of Reverse Osmosis (RO). However, there are only limited numbers of experimental studies on this topic. This study sets out to reveal more detailed information on the pressure drop and velocity patterns of spacer-filled channels. Particle Image Velocimetry (PIV) is used to provide high-resolution velocity maps for three commercial feed spacers of different thicknesses at a flow attack angle of 45° and 90°. The pressure drop is measured for the applied operational conditions (Re < 250). Results showed higher pressure losses, a better mixing of flow, a lower variation of temporal velocity, and a smaller variation of velocity over the channel height in the orientation with a flow attack angle of 45° as compared to 90°. The results presented here can be used to validate numerical studies, determine the fouling-sensitive regions in a spacer-filled channel and consequently, design the optimal spacer with respect to its orientation and thickness.

AB - Feed spacer orientation affects the velocity pattern and pressure drop of spacer-filled channels such as those encountered in Spiral-wound Membrane (SWM) modules of Reverse Osmosis (RO). However, there are only limited numbers of experimental studies on this topic. This study sets out to reveal more detailed information on the pressure drop and velocity patterns of spacer-filled channels. Particle Image Velocimetry (PIV) is used to provide high-resolution velocity maps for three commercial feed spacers of different thicknesses at a flow attack angle of 45° and 90°. The pressure drop is measured for the applied operational conditions (Re < 250). Results showed higher pressure losses, a better mixing of flow, a lower variation of temporal velocity, and a smaller variation of velocity over the channel height in the orientation with a flow attack angle of 45° as compared to 90°. The results presented here can be used to validate numerical studies, determine the fouling-sensitive regions in a spacer-filled channel and consequently, design the optimal spacer with respect to its orientation and thickness.

KW - Feed spacer

KW - Membrane

KW - Particle image velocimetry

KW - PIV

KW - Reverse osmosis

KW - Spiral wound modules

UR - http://www.scopus.com/inward/record.url?scp=85063971752&partnerID=8YFLogxK

U2 - 10.1016/j.jwpe.2019.100820

DO - 10.1016/j.jwpe.2019.100820

M3 - Article

VL - 31

JO - Journal of Water Process Engineering

T2 - Journal of Water Process Engineering

JF - Journal of Water Process Engineering

SN - 2214-7144

M1 - 100820

ER -

ID: 53249027