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Measurements of impurity ion concentrations and energy distributions in the 2XII mirror device are desaibed. The measurements were made using a fast - pulsed gas valve and a charge-exchange analyser ...
with helium at 0.5 Hz and at 500 psia for ∼ 1 hour at a time with no cooling. I. INTRODUCTIONThere are numerous fields in which fast pulses of supersonic gas jets are useful. In free ...
A simple scaling circuit is described in which gas -filled scaling valves are used for counting bursts of radiation without severe counting losses, even when the mean interval between counts within ...
Microfluidic systems such as labs-on-a-chip or drug delivery devices require a built-in actuator to drive pumps and valves . The electrochemical actuator is a promising option due to its compact size ...
A gas injector was designed for the 400 J/ pulse prototype of the planar inductive pulsed plasma thruster (IPPT) developed by the National University of Defense Technology (NUDT_IPPTx). As the gas ...
and Valentini (1982) which is based on a modified piezoelectric vacuum leak valve . In this paper we present a new pulsed supersonic beam source which combines very short gas pulses (typically 30ps FWHM) with high ...
was not studied. The valve is based on a surface micromachined Ta-Si-N membrane that closes a deep reactive ion etched hole. The valve was optimized to achieve a low actuation voltage and fast commutation ...
from the incomplete mixing of the intake charge with the residual gas left in the cylinder from the previous cycle. The residual gas fraction was independently measured using a fast -acting solenoid valve ...
) into a vacuum chamber. To irradiate the gas puff targets a Nd-glass laser was used, which generated 1-ns pulses of up to 15 J in energy. The gas flow was initiated by a fast solenoid valve synchronized ...
Abstract We use extensive computer simulation to design (and test) a high pressure, fast acting, pulsed , valve that can produce short pulses of gas . We use flow simulations from shaped nozzles ...
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