National Repository of Grey Literature 129 records found  beginprevious128 - 129  jump to record: Search took 0.01 seconds. 
Design of hybrid compressor for a 10PW laser
Kramer, Daniel ; Novák, Jakub ; Rus, Bedřich
The ELI beamlines facility wiil house a 10PW laser with ultrashort pulse duration. The laser damage threshold of the coating limits the minimum size of the last compression grating. Due to production restriction the last grating has to be tiled. The design was produced in order to minimize the total number of gratings in the compressor together with the spatial requirements.
Pasivní a aktivní metody řízení mezní vrstvy
Matějka, Milan ; Popelka, Lukáš
The paper deals with influence of the passive and active method of control on the flow field. It is well known fact that boundary layer separation has a fundamental effect on aircraft airfoil performance, compressors and turbines performance and other bodies, subject to study of internal and external aerodynamics. By the boundary layer control, it is possible to obtain both operational economy and extension of efficient operational region. Traditional methods of active boundary layer control are very complex and their application needs complex facilities. Modern methods based on the control by synthetic jets or plasma actuator are simpler, but their design has to be carried out at rather well experience and detailed knowledge about boundary layer and its interaction with the actuator.

National Repository of Grey Literature : 129 records found   beginprevious128 - 129  jump to record:
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