نتایج جستجو برای: particle injector
تعداد نتایج: 177872 فیلتر نتایج به سال:
High-resolution Bragg diffraction from aerosolized single granulovirus nanocrystals using an X-ray free-electron laser is demonstrated. The outer dimensions of the in-vacuum aerosol injector components are identical to conventional liquid-microjet nozzles used in serial diffraction experiments, which allows the injector to be utilized with standard mountings. As compared with liquid-jet injecti...
The six-dimensional volume in phase space enclosing the beam from the SLAC injector has been measured. The design of the injector and preliminary measurements on the prototype injector were reported at the National Particle Accelerator Conference, March 10-12, 1~65.~ This paper reports on similar measurements on the completed injector as installed on the SLAC two-mile accelerator. The measureme...
This paper is the representation of the computational and experimental methods of a new injector nozzle for a sequential port injection CNG engine. The objective of this study was to review the previous research in the development of gaseous fuel injector for port injection CNG engine converted from diesel engine. Next, a simulation of the fuel flow of the new injector nozzle was made using FLU...
We describe the status of the Main Injector particle production Experiment (MIPP) at Fermilab which has to date acquired 18 million events of particle interactions using (5 GeV/c-120 GeV/c) π, K and p beams on various targets. We describe plans to upgrade the data acquisition speed of MIPP to make it run 100 times faster which will enable us to obtain particle production data of unprecdented qu...
The design goal for the Fermilab Main Injector (FMI) is to accelerate a minimum of 6 10 protons per bunch through the transition. We present here the results from simulation studies of the transition crossing in the FMI using the particle tracking code ESME[1].
Thermo-acoustic combustion instability is a problem that has been researched for decades as it is a precursor to sudden catastrophic failure. Meanwhile, the demand for rocket engines that are able to maintain stable combustion over a wider range of thrust levels is increasing. One injector design utilized in Russia and Asia that has demonstrated stable throttling ability is the liquid-liquid co...
This paper presents preliminary velocity and scalar measurements of low swirl intensity jets in air. Swirling jets were generated using a micro-injector swirl generator. Velocity fields of the jets were obtained using Multi-grid Cross Correlation Digital Particle Image Velocimetry. Initial flow visualizations were performed using planar laser induced fluorescence with acetone as tracer species.
This paper presents numerical simulation results of the primary atomization of a turbulent liquid jet injected into a gaseous crossflow. Simulations are performed using the balanced force Refined Level Set Grid method. The phase interface during the initial breakup phase is tracked by a level set method on a separate refined grid. A balanced force finite volume algorithm together with an interf...
Based on the solid–liquid two-phase flow model, SST k-ω and Lagrangian equation model of particle motion, numerical simulations sediment–water in injector a large Pelton turbine were conducted. The distribution rules pressure, velocity, erosion rate, location obtained by analyzing characteristics sediment injector. results revealed that velocity trend water inside cylindrical jet exhibited nonl...
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