نتایج جستجو برای: nozzles
تعداد نتایج: 1819 فیلتر نتایج به سال:
A vast majority of the medium and high speed Diesel engines are equipped with multi-hole injection nozzles nowadays. Inaccuracies in workmanship and changing hydraulic conditions in the nozzles result in differences in injection rates between individual injection nozzle holes. The new deformational measuring method described in the paper allows injection rate measurement in each injection nozzl...
Design Andrew Gelsey and Don Smith ([email protected], [email protected]) Computer Science Department Rutgers University New Brunswick, NJ 08903 Computing in Aerospace 10, San Antonio, TX, March 1995 AIAA-95-1016-CP Copyright c 1995 by Andrew Gelsey and Don Smith. Published by the American Institute of Aeronautics and Astronautics, Inc. with permission. Abstract The Nozzle Design Associ...
Designing and manufacturing the multiple jets simulator and experimental investigation of the multiple jets in crossflow at low velocity ratios have been studied Together with design and build a low-speed wind tunnel. A specific rake is used to determine the flow field pressure and changes in static pressure measured by pressure taps in the near field of the jets. There are generally three regi...
Magnesia Partially Stabilized Zirconia (Mg-PSZ) is the best material for casting nozzles used in steelmaking industry due to high melting point, high mechanical strength, high thermal shock resistance, high toughness, chemical stability and neutrality, which these nozzles should be fabricated using cold isostatic pressing (CIP) method, however wet processing methods such as gelcasting can lead ...
Nozzle clogging is a serious productivity and quality problem in continuous casting. This work reviews the causes, effects, and solutions to clogging in continuous casting nozzles. The results of a one-dimensional, steady state analysis of the heat loss from the molten steel stream through the nozzle wall are discussed. The analyses show that steel may freeze within the clog matrix for a relati...
We describe a method to fabricate tapered glass nozzles suitable for liquid-jet-target generation in laser-plasma soft x-ray and extreme ultraviolet sources. In the method, a tapered nozzle is formed as an integral part of a flexible capillary glass tubing. The method makes use of inert materials, extending the possible choice of target liquids compared to current nozzles. It also provides flex...
Serial femtosecond crystallography requires reliable and efficient delivery of fresh crystals across the beam of an X-ray free-electron laser over the course of an experiment. We introduce a double-flow focusing nozzle to meet this challenge, with significantly reduced sample consumption, while improving jet stability over previous generations of nozzles. We demonstrate its use to determine the...
We have investigated dynamic behavior of a dust flow with velocity shear in RF plasmas. In this study, neutral drag force by the neutral gas ejected from small nozzles is used for driving directional dust flows with velocity shear. The strength of the velocity shear can be controlled over a wide range by adjusting the direction of the nozzles and the flow rate of the neutral gas. The dust parti...
This paper represents an overview of the activities carried out in the framework of RTO/AVT Working Group 10, Subgroup 1, dedicated to plug nozzle aerothermodynamics and performance. The subgroup worked out two main objectives: i) thorough understanding of the flow physics of plug nozzles trough literature review and recent experiments conducted in Europe and USA; ii) definition of CFD test cas...
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