10th International symposium on Negative Ions, Beams and Sources - NIBS'26

Session

S4: Chairperson -Emile Carbone, INRS

Sep 21, 2026, 3:35 PM

Conference Room (Prestige Lakeside Resort Nelson)

41. PIC Simulation of Negative Ion Beamline for VLEO application

Kim-Sophie Ellenberger (Institute of Space Systems IRS - University of Stuttgart)

9/21/26, 3:35 PM

Contributed Oral

Very Low Earth Orbit (VLEO) missions face strong aerodynamic drag due to the residual atmosphere of highly reactive atomic oxygen, therefore leading to material erosion, making realistic ground tests essential. Numerical simulations are used in advance to optimize the design of its core components to support the development of a dedicated VLEO test facility.

The planned facility generates...

74. 3D Full-PIC Simulations of a Penning Discharge in Complex Geometries

Mikhail Tiushev (University of Saskatchewan)

9/21/26, 3:55 PM

Contributed Oral

We present particle-in-cell simulations of a high-current Penning discharge using the semi-implicit electrostatic solver in WarpX [1]. The method reaches experimentally relevant conditions, with discharge currents of several amperes and plasma densities near 1e18 m-3. The modeled 3 A configuration includes two independently biased crescent-shaped anode segments [2]. The simulations show the...

68. Analysis of the plasma meniscus in a negative ion source from the viewpoint of force balance

Kenji Miyamoto (Naruto University of Education)

9/21/26, 4:15 PM

Contributed Oral

The plasma meniscus and relevant physical structure in the ion-ion plasma of a hydrogen negative source is investigated by using the three-dimensional PIC-Monte Carlo method from the viewpoint of the force balance of negative ions. The simulation results show that the negative ion density along the extraction axis can be divided into two regions based on the electrostatic potential dependence:...