# Interaction of a supersonic particle with a three-dimensional complex plasma

@article{Zaehringer2018InteractionOA, title={Interaction of a supersonic particle with a three-dimensional complex plasma}, author={Erich Zaehringer and Mierk Schwabe and Sergey K. Zhdanov and Daniel P. Mohr and Christina A. Knapek and Peter Huber and I L Semenov and Hubertus M. Thomas}, journal={arXiv: Plasma Physics}, year={2018} }

The influence of a supersonic projectile on a three-dimensional complex plasma is studied. Micron sized particles in a low-temperature plasma formed a large undisturbed system in the new 'Zyflex' chamber during microgravity conditions. A supersonic probe particle excited a Mach cone with Mach number M $\approx$ 1.5 - 2 and double Mach cone structure in the large weakly damped particle cloud. The speed of sound is measured with different methods and particle charge estimations are compared to…

## Figures from this paper

## 5 Citations

### Dynamics in binary complex (dusty) plasmas

- PhysicsReviews of Modern Plasma Physics
- 2022

Binary complex plasmas consist not only plasma components including electrons, ions and neutrals but also mesoscopic solid particles of two types in terms of size and material. The particles acquire…

### "Zyflex": Next generation plasma chamber for complex plasma research in space.

- PhysicsThe Review of scientific instruments
- 2021

In this paper, we give a detailed description of a novel plasma chamber-the Zyflex chamber-that has been specifically designed for complex/dusty plasma research under reduced gravitational influence…

### Algorithms for Particle Detection in Complex Plasmas

- PhysicsJ. Imaging
- 2019

Different variations of the moment method are combined with common techniques for image pre- and post-processing, and the impact of the choice of threshold parameters, including an automatic threshold detection, on synthetic data with known attributes is investigated.

### Image Registration with Particles, Examplified with the Complex Plasma Laboratory PK-4 on Board the International Space Station

- PhysicsJ. Imaging
- 2019

Two methods to combine the associated image pairs into one image are presented, namely the SimpleElastix toolkit based on comparing the mutual information and a method based on detecting the particle positions.

### Pressure- and Size-Dependent Aerodynamic Drag Effects on Mach 0.3–2.2 Microspheres for High-Precision Micro-Ballistic Characterization

- PhysicsApplied Sciences
- 2022

The acceleration of microparticles to supersonic velocities is required for microscopic ballistic testing, a method for understanding material characteristics under extreme dynamic conditions, and…

## References

SHOWING 1-10 OF 48 REFERENCES

### Mach cones in a three-dimensional complex plasma

- Physics
- 2009

A three-dimensional hydrodynamic model has been applied to study the Mach cones in a three-dimensional complex plasma. Numerical results for the velocity distribution of dust particles showed the…

### Direct measurement of the speed of sound in a complex plasma under microgravity conditions

- Physics
- 2011

We present a direct measurement of the speed of sound in a three-dimensional complex plasma —a room-temperature plasma that contains micrometer-sized particles as fourth component. In order to obtain…

### Supersonic Particle in a Low Damped Complex Plasma under Microgravity

- Physics
- 2017

We discuss the diagnostics of a complex plasma cloud recorded in experiments performed in the framework of the Ekoplasma project. A supersonic extra particle is used as a probe of the cloud dynamics.…

### Cavity dynamics and particle alignment in the wake of a supersonic projectile penetrating a dusty plasma.

- PhysicsPhysical review. E, Statistical, nonlinear, and soft matter physics
- 2011

The penetration of a projectile into a strongly coupled dusty plasma was studied in a radio-frequency discharge under microgravity conditions and the dynamics can be subdivided into three phases: An opening phase with fixed time scale, a closing phase whose duration is affected by the projectile speed and a phase of particle realignment in the target cloud, which persists for a long time after the closure of the cavity.

### Mach cone shocks in a two-dimensional Yukawa solid using a complex plasma

- PhysicsPhysical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
- 2000

Over the limited range of speed V attained by the supersonic particles in this experiment, the angle mu of the cone was found to obey the Mach cone rule sin mu = c/V, where c is the medium's sound speed.

### Measurement of the speed of sound by observation of the Mach cones in a complex plasma under microgravity conditions

- Physics
- 2014

We report the first observation of the Mach cones excited by a larger microparticle (projectile) moving through a cloud of smaller microparticles (dust) in a complex plasma with neon as a buffer gas…

### Theoretical study of laser-excited Mach cones in dusty plasmas.

- PhysicsPhysical review. E, Statistical, nonlinear, and soft matter physics
- 2004

A two-dimensional hydrodynamic model for a monolayer of dust particles is used to study the Mach cones excited by a moving laser beam through dusty plasmas and it is found that the compressional Mach cones exist in cases of both supersonic and subsonic excitations.

### Wake-Mediated Propulsion of an Upstream Particle in Two-Dimensional Plasma Crystals.

- PhysicsPhysical review letters
- 2017

It is shown that the nonreciprocity of the particle interaction, owing to the wake charges, is responsible for a broken symmetry of the channel that enables a persistent self-propelled motion of the extra particle.

### Laser-excited mach cones in a dusty plasma crystal

- PhysicsPhysical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
- 2000

Experimental studies of the formation and structure of Mach cones in a plasma crystal are presented, using a monolayer of particles interacting through a Yukawa potential, and two methods of determining the particle charge and screening distance are developed.

### Dynamics of compressional Mach cones in a strongly coupled complex plasma

- Physics
- 2014

Using a Generalised-Hydrodynamic (GH) fluid model, we study the influence of strong coupling induced modification of the fluid compressibility on the dynamics of compressional Mach cones in a dusty…