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Dive into the research topics where Daniel P. Mohr is active.

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Featured researches published by Daniel P. Mohr.


INTERNATIONAL CONFERENCE FOR SCIENCE EDUCATORS AND TEACHERS (ISET) 2017: Proceedings of the 5th International Conference for Science Educators and Teachers (ISET) 2017 | 2018

Particle Detection Algorithms for Complex Plasmas

Daniel P. Mohr; Christina A. Knapek; Peter Huber; Erich Zaehringer

The micrometer-sized particles in a complex plasma can be directly visualized and recorded by digital video cameras. To analyze the dynamics of single particles, reliable algorithms are required to accurately determine their positions to sub-pixel accuracy from the recorded images. Here, we combine the algorithms with common techniques for image processing, and we study several algorithms, pre- and post-processing methods, and the impact of the choice of threshold parameters.


INTERNATIONAL CONFERENCE FOR SCIENCE EDUCATORS AND TEACHERS (ISET) 2017: Proceedings of the 5th International Conference for Science Educators and Teachers (ISET) 2017 | 2018

Supersonic Particle in a Low Damped Complex Plasma under Microgravity Conditions

Erich Zaehringer; S. Zhdanov; Mierk Schwabe; Daniel P. Mohr; Christina A. Knapek; Peter Huber; Igor Semenov; H. M. Thomas

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. A fine-structured Mach cone behind the supersonic particle is observed. We investigate the spatial and temporal development of the Mach cone with a computer based measurement to determine the speed of sound of the particle cloud. Also time and position dependent characteristics of the velocity field are recorded.


Optimization and Engineering | 2014

Redundant robust topology optimization of truss

Daniel P. Mohr; Ina Stein; Thomas Matzies; Christina A. Knapek


arXiv: Optimization and Control | 2011

Robust Topology Optimization of Truss with regard to Volume

Daniel P. Mohr; Ina Stein; Thomas Matzies; Christina A. Knapek


Archive | 2018

A second look at void closure in complex plasmas

Erich Zaehringer; Mierk Schwabe; Peter Huber; Igor Semenov; Christina A. Knapek; M. Rubin-Zuzic; Daniel P. Mohr; H. M. Thomas


Archive | 2017

Ekoplasma - The Future of Complex Plasma Research in Space

H. M. Thomas; Christina A. Knapek; Peter Huber; Daniel P. Mohr; Erich Zähringer; V. I. Molotkov; Andrey Lipaev; U. Konopka; Vladimir Fortov


Archive | 2017

Pulsed RF-Discharge in Zyflex-Chamber

Peter Huber; Christina A. Knapek; Daniel P. Mohr; Erich Zähringer; H. M. Thomas


Archive | 2017

Fine structure of a Mach cone in a zero gravity, 3d complexplasma system

Erich Zaehringer; Mierk Schwabe; S. Zhdanov; Christina A. Knapek; Daniel P. Mohr; Peter Huber; H. M. Thomas


Archive | 2017

Supersonic Particle in a Low Damped Complex Plasma under Microgravity

Erich Zaehringer; Mierk Schwabe; S. Zhdanov; Christina A. Knapek; Daniel P. Mohr; Peter Huber; H. M. Thomas


Archive | 2016

Complex plasma manipulation by segmented electrodes

Erich Zaehringer; Christina A. Knapek; Daniel P. Mohr; Peter Huber; Korbinian Schreiber; H. M. Thomas

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Peter Huber

German Aerospace Center

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H. M. Thomas

German Aerospace Center

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Igor Semenov

German Aerospace Center

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Andrey Lipaev

Russian Academy of Sciences

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