The effect of media bed characteristics and internal auxiliary elements on sand filter head loss

M Mesquita, R Testezlaf, JCS Ramirez - Agricultural Water Management, 2012 - Elsevier
Sand filters are beds of granular material placed in cylindrical metal containers. They are
used as one approach for irrigation water filtration, mainly to remove organic and algae …

Analysis of hydrodynamic filtration performance in a cross-step filter for drip irrigation based on the CFD‒DEM coupling method

Z Xu, XY Mao, YJ Gu, X Chen, W Kuang, RZ Wang… - Biosystems …, 2023 - Elsevier
Highlights•CFD-DEM simulation of cross-step filtration with bridging mechanisms.•New
optimisation simulation method for screen filters.•The relationship between vortex and …

Development of a mathematical model to predict clean water head losses in hydrocyclone filters in drip irrigation systems using dimensional analysis

H Yurdem, V Demir, A Degirmencioglu - Biosystems engineering, 2010 - Elsevier
A model was developed using dimensional analysis, to predict head losses in hydrocyclone
filters. Different hydrocyclone filters with different specifications were used to measure head …

Establishment of a dimensional analysis-based prediction model for the head loss of pre-pump micro-pressure filters for micro-irrigation

H Tao, Z Wu, Y Zhou, Q Li, M Aihemaiti, Y Jiang… - Irrigation Science, 2023 - Springer
A pre-pump micro-pressure filter is a new type of micro-irrigation filter, but there are few
studies on the hydraulic performance of this type of filter. Indoor physical model tests …

Establishment of a projection-pursuit-regression-based prediction model for the filtration performance of a micro-pressure filtration and cleaning tank for micro …

H Tao, Z Wu, Y Yang, Q Li, A Mahemujiang… - Journal of Cleaner …, 2023 - Elsevier
Filtration is a key process of a micro-irrigation system. To achieve water conservation,
improve the energy efficiency, and meet the low-carbon environmental requirements, this …

Assessment of head loss equations developed with dimensional analysis for micro irrigation filters using effluents

M Duran-Ros, G Arbat, J Barragán… - Biosystems …, 2010 - Elsevier
Several equations have been developed using dimensional analysis to determine the head
loss in the filters commonly used in micro irrigation systems. The variables included in these …

Development of a mathematical model to predict head losses from disc filters in drip irrigation systems using dimensional analysis

H Yurdem, V Demir, A Degirmencioglu - Biosystems Engineering, 2008 - Elsevier
A model was developed using dimensional analysis to predict head losses in disc filters.
Three different filter designs, each with four different inlet and outlet pipe diameters, were …

Performance and backwashing efficiency of disc and screen filters in microirrigation systems

M Duran-Ros, J Puig-Bargués, G Arbat, J Barragán… - Biosystems …, 2009 - Elsevier
The performance of three filtration systems (screen, disc and a combination of screen and
disc filters) used in microirrigation systems and their automatic backwashing efficiency were …

Using computational fluid dynamics to predict head losses in the auxiliary elements of a microirrigation sand filter

G Arbat, T Pujol, J Puig-Bargues… - Transactions of the …, 2011 - elibrary.asabe.org
It is often assumed that total head losses in a sand filter are solely due to the filtration media
and that there are analytical solutions, such as the Ergun equation, to compute them …

Research on head loss of pre-pump micro-pressure filter under clean water conditions

H Tao, P Shen, Q Li, Y Jiang, W Yang, J Wei - Water Supply, 2022 - iwaponline.com
Filters are important pieces of equipment to ensure the normal operation of micro-irrigation
systems, and the head loss is a key indicator to evaluate their hydraulic performances. To …