Results 41 to 50 of about 1,437,991 (290)

Langmuir Probe Measurements In The Ionosphere [PDF]

open access: yes, 2007
Electric probes have been the primary instruments for the in situ investigation of plasma parameters in the Earth’s ionosphere. This dissertation is a compendium of three papers, each dealing with a separate spacecraft that carried one or more instruments based on the electric probe technique.
openaire   +2 more sources

Characteristics of the Plasma Source for Ground Ionosphere Simulation Surveyed by Disk-Type Langmuir Probe [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2017
A space plasma facility has been operated with a back-diffusion-type plasma source installed in a mid-sized vacuum chamber with a diameter of ~1.5 m located in Satellite Technology Research Center (SaTReC), Korea Advanced Institute of Science and ...
Kwangsun Ryu   +7 more
doaj   +1 more source

Electron and ion density depletions measured in the STS-3 orbiter wake [PDF]

open access: yes, 1985
The third Space Shuttle flight on Columbia carried instrumentation to measure thermal plasma density and temperature. Two separate investigations, the Plasma Diagnostics Package (PDP) and the Vehicle Charging and Potential Experiment (VCAP), carried a ...
Murphy, G. B.   +3 more
core   +1 more source

Physico-chemical foundations underpinning microarray and next-generation sequencing experiments [PDF]

open access: yes, 2013
Hybridization of nucleic acids on solid surfaces is a key process involved in high-throughput technologies such as microarrays and, in some cases, next-generation sequencing (NGS).
A. Buhot   +70 more
core   +3 more sources

Investiycrtion of electron temperature and density of laser-induced-plasma by Langmuir probe up to the centimeters scale distance from the target [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2015
In this paper, electron temperature and ion density of laser-produced plasma in the nanosecond time scale at different ambient gas pressures are studied using single Langmuir probe up to distances of the order of centimeter. The plasma is produced due to
Nader Morshedian   +2 more
doaj  

LHD Langmuir Probe System [PDF]

open access: yesLHD Langmuir Probe System
K. Adati, K." Toi, S. "Ohdachi
openaire   +1 more source

A First Assessment of a Regression-Based Interpretation of Langmuir Probe Measurements

open access: yesFrontiers in Physics, 2019
A new approach is presented for interpreting low level Langmuir probe measurements in terms of physical plasma parameters such as density or temperature. Instead of relying on analytic expressions as in most analyses, the method uses regressions combined
Jonathan Chalaturnyk, Richard Marchand
doaj   +1 more source

Boltzmann expansion in a radiofrequency conical helicon thruster operating in xenon and argon [PDF]

open access: yes, 2015
A low pressure (~ 0.5 mTorr in xenon and ~ 1 mTorr in argon) Boltzmann expansion is experimentally observed on axis within a magnetized (60 to 180 G) radiofrequency (13.56 MHz) conical helicon thruster for input powers up to 900 W using plasma ...
Boswell, R., Charles, C., Takahashi, K.
core   +1 more source

Structural Analysis of LP-CM Facing Heat Flux in Tokamak and Evaluation of Stress Field and Displacement Field

open access: yesScience and Technology of Nuclear Installations, 2012
Langmuir Probes attached to plasma-facing components in a Tokamak are used to diagnose high-temperature plasma during fusion experiments. In this work, a finite element model of Langmuir Probe-Cooling Monoblock (LP-CM) is established, and structural ...
Huang-bin Lin   +3 more
doaj   +1 more source

The influence of the secondary electrons induced by energetic electrons impacting the Cassini Langmuir probe at Saturn [PDF]

open access: yes, 2013
The Cassini Langmuir Probe (LP) onboard the Radio and Plasma Wave Science experiment has provided much information about the Saturnian cold plasma environment since the Saturn Orbit Insertion in 2004.
Arridge   +38 more
core   +1 more source

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