|
| |
|
| |
|
|
Vývoj optického řešení Prototypu II
Pintr, Pavel
Zpráva popisuje vývoj aktivní laserové hlavice. Zpráva je rozdělena do dvou etap. První etapa popisuje vývoj navařovací laserové hlavice s obdélníkovým spotem. Druhá část popisuje vývoj svařovací hlavice s proměnným zvětšením.
|
|
| |
|
| |
|
| |
|
|
OLGA – efficient full wave code for the coupling of LH grills
Preinhaelter, Josef ; Hillairet, J. ; Urban, Jakub
The full wave code OLGA, for determining the coupling of a single row lower hybrid launcher (waveguide grills) to the plasma, is extended to handle multirow multijunction active passive structures (like the C3 and C4 launchers on TORE SUPRA) by implementing the scattering matrix formalism. The extended code is still computationally fast because of the use of (i) 2D splines of the plasma surface admittance in the accessibility region of the k-space, (ii) high order Gaussian quadrature rules for the integration of the coupling elements and (iii) utilizing the symmetries of the coupling elements in the multiperiodic structures. The extended OLGA code is benchmarked against the ALOHA-1D, ALOHA-2D and TOPLHA codes for the coupling of the C3 and C4 TORE SUPRA launchers for several plasma configurations derived from reflectometry and interferometery. Unlike nearly all codes (except the ALOHA-1D code), OLGA does not require large computational resources and can be used for everyday usage in planning experimental runs. In particular, it is shown that the OLGA code correctly handles the coupling of the C3 and C4 launchers over a very wide range of plasma densities in front of the grill.
|
|
| |
|
|
NATAP – leštění CNT kompozitů
Thoř, Tomáš
Zkoumané vzorky jsou uhlíkový kompozitní materiál složený z kyanoesterové pryskyřice (matrice), uhlíkových vláken (ve formě tkaniny) a vrstvy uhlíkových nanotrubic (ve formě bucky paperu). Zpráva obsahuje popis vývoje leštění tohoto materiálu na podložce z PU v kombinaci s leštivem CeO2.
|
|
|
Feedhorn Coating - research report
Václavík, Jan
The report contains a description of the developed methods for metalizing of prototype of the FEEDHORN demonstrator, which is made up of a specially shaped carbon fiber composite carrier and a CNT layer. The report contains the results and comments for future construction of similar types of devices.
|
host ::
RSS.