搜索结果: 1-15 共查到“Nozzle”相关记录17条 . 查询时间(0.093 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Steady Subsonic flows in High Dimensional Nozzle
高维喷管 稳态 亚音速流动
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2023/11/15
In this talk, we present our result on subsonic irrotational flows in a multi-dimensional (n>1) infinitely long nozzle with variable cross sections. The flow is described by the inviscid potential equ...
Characterization of an Effervescent Atomization Water Mist Nozzle and Its Fire Suppression Tests
Effervescent atomization Two-phase flow Water mist Fire suppression
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2015/8/10
A gas-outside-liquid-inside water mist nozzle based on effervescent atomization technology is designed, characterized and tested in this paper. The droplets size distribution and velocity under differ...
Study of Mold Fluid Flow on a New Type Nozzle Bottom in Continuous Casting of Steel
Continuous Casting Jet Characteristic Nozzle Bottom Numerical Model Turbulent Flow Udf Watermodel
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2011/12/15
There are many serious problems are directly associated with the flow pattern in the mold in the continuous casting of steel process. The nozzle flow plays an important role in determining the mold fl...
Numerical Analysis of Nozzle Clearance’s Effect on Turbine Performance
nozzle clearance variable nozzle turbine (VNT) mixed flow turbine
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2011/8/4
Variable nozzle turbine (VNT) has become a popular variable geometry turbine (VGT) technology for the diesel engine application. Nozzle clearance, which can’t be avoided on the hub and shroud side of ...
Characterization of an effervescent atomization water mist nozzle and its fire suppression tests
Effervescent atomization Two-phase flow Water mist Fire suppression
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2015/8/10
A gas-outside-liquid-inside water mist nozzle based on effervescent atomization technology is designed,characterized and tested in this paper. The droplets size distribution, velocity under different ...
Numerical Analysis of Nozzle Clearance’s Effect on Turbine Performance
nozzle clearance variable nozzle turbine (VNT) mixed flow turbine
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2011/8/4
Variable nozzle turbine (VNT) has become a popular variable geometry turbine (VGT) technology for the diesel engine application. Nozzle clearance, which can’t be avoided on the hub and shroud side of ...
Efficacy of a new jet nozzle for removal of carious dentin with an air abrasion system
Air abrasion Jet nozzle Caries removal Sodium bicarbonate powder
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2009/9/14
A new version of an air abrasion device, which expelled abrasive sodium bicarbonate powder, was fabricated to remove carious tissue. This device had a motor-driven mechanism to control the amount of p...
Fundamental Study of Extendible Nozzle and Dual-Bell Nozzle for Reusable Rocket Engine
Extendible Nozzle Dual-Bell Nozzle Reusable Rocket Engine
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2009/8/19
An extendible nozzle and a dual-bell nozzle are considered to be feasible devices to improve performance of booster engines for near future reusable launch vehicles. Hot firing tests were conducted at...
Supersonic COIL with Nozzle Bank Based on Trip-Jet Mixing System
Ejector Trip Oxygen iodine laser
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2009/6/1
Nozzle banks for an ejector-chemical oxygen-iodine laser consisting of two-dimensional slit nozzles with a trip-jet mixing system were tested in the cold- and hot-flow operation regimes. Horizontal Pi...
静电喷头雾化特性预测模型（Prediction Model for Atomization Performance of Electrostatic Spraying Nozzle）
静电喷头 雾化性能 预测模型
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2009/5/22
将一种基于改进粒子群优化最小二乘支持向量机的预测模型引入静电喷雾雾化性能预测领域，并给出了相应的步骤和算法。该模型能方便地预测喷雾参数对喷头雾化性能的影响，有助于正确认识喷头雾化性能随喷雾参数的变化规律。通过具体实例及与其他几种预测方法的对比表明，在相同样本条件下，其模型构造速度比标准LS-SVM方法高近1个数量级，模型预测误差约为标准LS-SVM方法的50%，预测精度比常规BP模型高1个数量级。
Benefit of Dual Nozzle Flow Dyeing Machine for Polyester Micro Fiber Fabrics
Polyester micro fiber fabrics Flow dyeing machine Nozzle pressure
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2009/4/21
It is important for researchers developing dyeing technology to improve the dyeing techniques of polyester micro fiber fabrics in terms of the time efficiency. The empirical observations have led to ...
Study on Pneumatic Weft Insertion Behavior in Main Nozzle
weft insertions unsteady flow pull force main nozzle testing
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2009/2/16
In this paper, with the aim of analysis, the main nozzle was divided into four part (tubes). This allowed to analyse detailed airflow parameters of each tube, and introduce a method of experiment to t...
Effect of Carrier Volume and Nozzle Type on Cotton Harvest-aid Efficacy
Carrier Volume Nozzle Type Cotton Harvest-aid Efficacy
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2008/12/10
Chemical defoliation of cotton (Gossypium hirsutum L.) in preparation for mechanical harvest can be difficult because of inconsistent response of plants to harvest-aid applications. Unsatisfactory har...
Impact of Adjuvants and Nozzle Types on Cotton Injury From Flumioxazin Applied Post-Directed
Cotton Injury From Flumioxazin Nozzle Types Impact of Adjuvants
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2008/5/16
Flumioxazin {2-[7-fluoro-3,4-dihydro-3-oxo-4- (2-propynyl)-2H-1,4-benzoxazin-6-yl]-4,5,6,7- tetrahydro-1H-isoindole-1,3(2H)-dione}, a soil residual herbicide that is practically non-selective when app...
Thermal wall influence on the behavior of axisymmetric laminar compressible flow in nozzle
compressible Mac-Cormack scheme nozzle numerical study viscous flow wall
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2010/3/11
The present work concerns a numerical study of an axisymmetric laminar flow of a compressible gas in a small size convergent-divergent nozzle. The geometry and the reservoir conditions are such that t...