Understanding Extended Space Charge Effects in Concentration Polarization

Jan 04, 2025

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This study aims to explore the impact of extended space charge in concentration polarization phenomena to enhance membrane processes efficiency. The investigation focuses on elucidating the mechanisms behind this phenomenon and its implications on various applications.

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Understanding Extended Space Charge Effects in Concentration Polarization

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Space-Charge Instabilities in Linacs

Space-Charge Instabilities in Linacs. What limits the beam current in ion linacs?. This is a very important topics for anyone designing linacs. For example, it is important for beam dynamics design of RFQs.

547 views • 28 slides

SPACE CHARGE EFFECTS IN PHOTO-INJECTORS Massimo Ferrario INFN-LNF

SPACE CHARGE EFFECTS IN PHOTO-INJECTORS Massimo Ferrario INFN-LNF. Madison, June 28 - July 2. Space Charge Dominated Beams Cylindrical Beams Plasma Oscillations. Space Charge: What does it mean?

630 views • 28 slides

Space Charge Effect

Space Charge Effect. Up to now single particle longitudinal dynamics has been considered. In a real beam (or bunch), with many particles, each particle will suffer the repulsive forces from the others since they have the same electrical charge.

1.03k views • 13 slides

Charge and Polarization

Charge and Polarization. Charge Charge comes in two forms, which Ben Franklin designated as positive (+) and negative(–). Charge is quantized. The smallest possible stable charge, which we designate as e , is the magnitude of the charge on 1 electron or 1 proton.

1.4k views • 102 slides

Polarization effects in optical spectra of photonic crystals

Polarization effects in optical spectra of photonic crystals. Anton Samusev. Saint Petersburg State Polytechnical University, Ioffe Physico-Technical Institute. JASS’05 30 March – 9 April, 2005. Overview. Photonic band gap structure of artificial opals

714 views • 47 slides

Instrumentation for space charge effects

Instrumentation for space charge effects. Eva Barbara Holzer CERN BE/BI With the kind support of:

599 views • 38 slides

Low Bunch Charge Effects in BPMs

Low Bunch Charge Effects in BPMs. A. Kalinin EMMA tasks, experiments, and procedures 23 August 2012. DJK Program. Run 13 to 15 August. Injected bunch charge was in range 15pC to 20pC as indicated by WCM-based Charge Monitor. DJK’s program “Number of shots @ 20 turns vs BPMs” showed:

196 views • 5 slides

Space Charge in the PS Booster

Space Charge in the PS Booster. E. Benedetto Contributions from: C. Carli, V . Forte, M. Kowalska , M. Martini, M. Mc Ateer , B. Mikulec , V. Raginel , G. Rumolo. 20/5/2014 Space Charge Collaboration Meeting 2014. Outline. Intro PS Booster description & Upgrade plan

379 views • 15 slides

Space Charge Neutralization

Space Charge Neutralization. Implications re pulsing or chopping the beam. TRIUMF 500 MeV cyclotron. 300 keV, < 1 mA injected beam (V sc < 1.2 volts) Space charge effect is small except near inflector We use all electrostatic optics: neutralization is very small.

195 views • 5 slides

Study of the space charge effects for J-PARC Main Ring

SAD Workshop, September 5-7, 2006. Study of the space charge effects for J-PARC Main Ring. Alexander Molodozhentsev (KEK). Outline of the talk: Main parameters of J-PARC Main Ring Tool-Box and Model for the space charge study for MR Resonance excitation and Emittance growth

379 views • 25 slides

Space-Charge Effects in RF Photoinjectors

Space-Charge Effects in RF Photoinjectors. Bruce Carlsten Los Alamos National Laboratory April 18, 2013. Space charge in photoinjectors. High brightness electron beams belong to a significantly different space-charge community (but with many shared concepts and terms)

509 views • 27 slides

Polarization effects in slepton production at hadron colliders

Polarization effects in slepton production at hadron colliders. Giuseppe Bozzi Euro-GDR 2004 Frascati - November 25, 2004 in collaboration with B. Fuks and M. Klasen. Preprint submitted to arXiv : hep-ph/0411318. Introduction. SUSY : High energy extension of the Standard Model

291 views • 15 slides

Space Charge in Isochronous Regime (IR)

Space Charge in Isochronous Regime (IR). E. Pozdeyev, BNL* *work partly done at Michigan State University in 2001-2003 (experiments and simulations) together with J.A. Rodriguez. Isochronous regime. Several types of machines operate / run into IR:

251 views • 16 slides

Space charge in LEIR?

Space charge in LEIR?. Michael Bodendorfer February 27 h , 2014. With the help of Django Manglunki , Maria-Elena Angoletta , Alan Findlay, Christian Carli , Sergio Pasinelli , Gerard Tranquille , Jerome Axensalva and Maxim Andersen And many, many thanks to:

532 views • 31 slides

Force on a Point Charge Due to an Extended Charge

Force on a Point Charge Due to an Extended Charge. Important points to consider: ‘ ’ is typically used for charge per length Uniform charge means all little pieces of the charge are the same. Also, “uniform charge” means:

276 views • 7 slides

Space charge effects in rings (not only ) at FAIR

Oliver Boine-Frankenheim Beam physics department, GSI, Darmstadt and Computational electromagnetics laboratory, TU Darmstadt. Space charge effects in rings (not only ) at FAIR. Contents Space charge effects at FAIR Space charge: Protons vs. Heavy- Ions

477 views • 25 slides

Nonlinear phenomena in space-charge dominated beams.

Nonlinear phenomena in space-charge dominated beams. Ingo Hofmann GSI Darmstadt Coulomb05 Senigallia, September 12, 2005. Why? Collective (purely!) nonlinearity Influence of distributions functions "Montague" resonance example Outlook.

488 views • 34 slides

Polarization Dependent Effects

Polarization Dependent Effects. Insertion loss. Optical return loss. Ripple on the peak.

212 views • 9 slides

Space charge effects in the LAr-TPC F. Pietropaolo INFN-PD, Italy

Space charge effects in the LAr-TPC F. Pietropaolo INFN-PD, Italy. Space charge effects in Lar-TPC ’ s.

137 views • 10 slides

Space Charge and its effects on tracking in a TPC

Space Charge and its effects on tracking in a TPC. Jim Thomas 20 - July – 2010 (with many thoughts and ideas due to Stefan Rossegger). Ionization of gases. Fast charged particles ionize the gas. Often the resulting primary electron will have enough kinetic energy to ionize other atoms.

295 views • 26 slides

Role of space charge in coherent instabilities

Role of space charge in coherent instabilities. Michael Blaskiewicz BNL A caveat: I will be discussing synchrotrons, not linacs or other short cycle machines. Things like surface waves and turbulent emittance growth will not be discussed. Introduction Balbekov / Burov Model

203 views • 19 slides

Space Charge Simulations in GPT

Space Charge Simulations in GPT. Simon Jolly Imperial College FETS Meeting, 20/7/05. GPT Space Charge Models. Spacecharge3D - direct relativistic particle-particle interactions. Spacecharge3Dclassic - as above but ignores relativistic effects.

303 views • 26 slides

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