نتایج جستجو برای: rotating injector
تعداد نتایج: 38428 فیلتر نتایج به سال:
A conceptual design of the input coupler for superconducting injector cavities of Cornell ERL project is presented. The injector cavities are two-cell structures operating at 1300 MHz in CW mode. The coupler has a symmetric design to accommodate requirements for small transverse kick, high RF power delivery to the cavity, and high coupling value. It consists of two identical antenna type couple...
The Advanced Photon Source (APS) primary and backup injectors consist of two thermionic-cathode rf guns. These guns are being upgraded to provide improved performance, to improve ease of maintenance, and to reduce downtime required for repair or replacement of a failed injector. As part of the process, an injector test stand is being prepared. This stand is effectively independent of the APS li...
This paper describes a scheme to control the intrapulse energy variations of long pulse bursts of an induction linac. Analog control over the electron beam injector current is exercised in such a way that accelerator beam load variations compensate for thermal impedance variations of the accelerator cell ferrites. Circuit topology and test data are presented. The circuit uses 64 planar triodes ...
A new acceleration structure named as coupled radio frequency quadrupole and separated function radio frequency quadrupole cavity (Coupled RFQ & SFRFQ) is under design at Peking University (PKU). A pulsed or CW He beam injector will be needed to transport 30 keV 20 mA He beam and normalized rms emittance less than 0.15 pi.mm.mrad for this composited type cavity. For pulsed mode, the factor is 1...
The single spike operation regime has been analyzed in the case of the SPARC injector and freeelectron-laser. Four different beams at 50 pC are studied, with different production condition and performance. SINGLE SPIKE OPERATION IN SPARC SASE-FEL I. Boscolo, F.Castelli, S. Cialdi, V. Petrillo, Università di Milano, Milano (Italy) A.Bacci, L.Serafini, INFN, Milano (Italy) R. Bonifacio, M. Boscol...
MODELING OF THERMAL NON-EQUILIBRIUM IN SUPERHEATED INJECTOR FLOWS
The technique of Hadamard transform was successfully coupled with GC/nonresonant multiphoton ionization/TOFMS, for the first time. 1,4-Dichlorobenzene and the fourth harmonic generation (266 nm) of a Nd:YAG laser were employed as a model sample and an ionization laser, respectively. A Hadamard-injector coupled with a capillary-based supersonic jet nozzle (capillary-injector) was also developed ...
An autosampler/injector commutator for flow injection analysis (FIA) was constructed with electronic components of used equipments. The apparatus is controlled by commercially available multifunctional interface (PCL711B) connected to a personal computer, and the software was written in Visual Basic language. The system was applied to water analysis and it presented satisfactory results. The lo...
Based on steady-state experiments, a three-dimensional (3D) simulation study under pulsation conditions was carried out. This performed to the effect of supply system atomization characteristics gas-centered swirl coaxial injector. The results indicated that spray shape resembled pagoda when Klystron occurred. When low-frequency (200 Hz) applied liquid inlet, peak exit pressure close trough inl...
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