National Repository of Grey Literature 19 records found  previous11 - 19  jump to record: Search took 0.00 seconds. 
Study of metals by low voltage SEM
Ligas, Aleš ; Jánský, Pavel (referee) ; Mikmeková, Šárka (advisor)
The aim of this thesis is to demonstrate the advantages of the scanning low energy electron microscopy (SLEEM) in the field of materials science. The SLEEM can be very effectively used for investigation of wide range of materials, such as steels, alloys, ceramics and thin films. Experimental part of this work was performed on the scanning electron microscope TESCAN VEGA TS 5310 equipped with cathode lens mode at Institute of Scientific Instruments of the ASCR, v.v.i..
Analysis of a Specific Company from the Perspective of CRM
Svoboda, Mikuláš ; Malinová, Ludmila (advisor) ; Jánský, Pavel (referee)
The bachelor thesis is in theoretical part explaining the term CRM, its history, development and modern trends. It describes company procedures and various CRM functions. It also discusses the theoretical benefits of CRM and its implementation in the company. The practical part introduces a real company, analyzes its business processes with a focus on their flaws and their subsequent optimization. It processes questionnaires filled out by the departments of sales and invoicing and interviews with the heads of these departments. Based on the acquired knowledge, recommendations for the introduction of CRM are made.
Numerické výpočty termoemisních elektronových trysek
Jánský, Pavel ; Lencová, Bohumila ; Zlámal, J.
The article describes results of numerical simulations of thermionic electron gun with hairpin filament intended for electron-beam welding and micromachining. It describes calculated beam profiles and their comparison with measurement.
Výpočty termoemisní elektronové trysky pro mikroobrábění
Jánský, Pavel
The article describes the approach and results of numerical simulations of hairpin thermionic electron gun for micromachining. It describes new method used for determination of space-charge effect on emitted current and on electron trajectories in the electron gun.
Coulomb interactions in electron beams
Jánský, Pavel
The paper describes numerical calculations of thermionic electron gun of an electron-beam welding machine and optimization of its electron optical system. It describes new method used in program EOD for determination of space-charge effect on emitted current and on electron trajectories in the gun.
Coulombian interactions in ion beams
Jánský, Pavel
The work deals with computations and optimization of electron(ion)-optical systems, in which the action of spatial charge asserts significantly. The programs CPO and EOD are used for computer simulations. The optimization of geometry of the nozzle of the electron welder is the first of solved tasks.
Vybrané příklady našich výpočtů
Lencová, Bohumila ; Jánský, Pavel ; Zlámal, J.
The paper discusses the properties of the program EOD (Electron Optical Design), which contains interfaces for Windows, integrates all programs for 2D computations by the first order FEM, ray tracing in computed fields, simulation of electron and ion sources, and computation of space charge limited beams. Most parts of the software are in the beta development phase, and they are already used in a number of our projects. For example, it was used to simulate the behavior of ion optical systems for the ion beam deposition at TU Brno by including the plasma creation inside the ion gun as well as space charge effects in ion beams transported in the system. Electron guns with space charge effects can be computed as well, as illustrated on the example of the well-known Pierce electron gun. Graphical possibilities are illustrated on a 3D cut-away view of the electron gun for electron-beam welding

National Repository of Grey Literature : 19 records found   previous11 - 19  jump to record:
See also: similar author names
26 JANSKÝ, Petr
26 Janský, Petr
12 JÁNSKÝ, Pavel
26 JÁNSKÝ, Petr
12 Jánský, Pavel
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