搜索结果: 1-14 共查到“工学 filament”相关记录14条 . 查询时间(0.453 秒)
Vortex filament simulation of the turbulent coflowing jet
Vortex filament simulation turbulent coflowing jet
2016/5/18
A high resolution grid-free vortex filament scheme is applied to the prediction and simulation of coflowing round jets with a view to acquiring a new perspective on their physics and establishing the ...
Vortex Filament Simulation of the Turbulent Boundary Layer
Vortex Filament Simulation Turbulent Boundary Layer
2016/5/18
A hybrid vortex fi lament scheme with the capability of simulating bounded turbulent fl ows is described. Viscous generation of new vortex elements at solid surfaces is accomplished through the interm...
Visualization of the flow profile inside a thinning filament during capillary breakup of a polymer solution via particle image velocimetry (PIV) and particle tracking velocimetry (PTV)
flow profile thinning filament polymer solution particle tracking velocimetry Fluid Dynamics
2012/5/17
We investigated the flow profile of a polymer solution in a thinning capillary bridge. Fluorescent tracer particles with a diameter of 3$\mu$m were used to visualize the flow. The cylindrical shape of...
Longitudinal and transverse velocity scaling exponents from merging of the Vortex filament and Multifractal models
Longitudinal and transverse velocity scaling exponents merging of the Vortex filament Multifractal models Fluid Dynamics
2012/4/20
We suggest a simple explanation of the difference between transverse and longitudinal scaling exponents observed in experiments and simulations. Based on the Vortex filament model and Multifractal con...
Computational simulation of non-geodesic filament winding of pressure vessel of rocket motor
Filament winding Non-geodesic winding Pressure vessel Motor case Rocket
2010/10/25
The main objective of this work was to accomplish the computational simulation in the software CadWind® of a filament winding for an applied pressure vase to motor rocket. The adopted simulation w...
Application of Taguchi method in the optimisation of filament winding of thermoplastic composites
Filament winding Thermoplastic composites Taguchi method’s
2009/12/1
Purpose: Purpose of this paper was to find the optimum parameters to produce Twintex® tubes by filament
winding.
Design/methodology/approach: Taguchi approach was used for this design. The exper...
Interlacing Process of Multiple Filament Yarn
Interlacing process Interlaced yarn Interlacer Yarn motion Airflow
2009/4/15
In interlacing process, a multiple filament yarn, which runs in an air jet device called an interlacer, is hit by high-speed air jet and then, tangling parts and opening parts are made alternatively...
Simulation of Size Series of Cocoon Filament with Time Varying Parameter Auto-Regressive Model
Cocoon Filament Auto-Regressive Model
2009/3/30
Simulation of Size Series of Cocoon Filament with Time Varying Parameter Auto-Regressive Model。
Pattern Recognition Method for Size Series of Cocoon Filament
time series analysis nonstationarity pattern recognition size series of cocoon filament
2009/3/30
In order to categorize size series of cocoon filament (SSCF), which are non-stationary time series with finite length in terms of mean and auto-covariance, by means of the time varying parameter auto-...
Effect of cocoon cooking condition on cocoon filament unwinding tension, reeling characteristics and quality characteristics of raw silk of Indian bivoltine hybrid cocoons
KeywordsCocoon cooking unwinding tension reelability raw silk percentage cleanness cohesion
2009/3/17
effect of cocoon cooking condition on cocoon filament unwinding tension, reeling characteristics and quality of silk has been studied. Study has been conducted using five cooking conditions viz. singl...
Diversity of cocoon and cocoon filament structures
Diversity cocoons cocoon filament cocoon making
2009/3/12
家蚕の繭は実用品種では2~3g、繭層重は450~550mg で、原種や多化性ではさらに軽量である。
野生の絹糸昆虫では、繭量や繭糸繊度を家蚕と比較すると大小の開きは顕著である。前述(赤井,
長島,2003,日本シルク学会)のように、タサールサンの繭糸繊度は12d(デニール)を越し、
スゴモリシロチョウでは、0.3dにみたないものもある。
Linking Yarns from Staple and Filament Fibres by High-Efficiency Pneumatic Interlacing. Part II: Analysis of Hairiness, Number of Faults and Estimation of the Linking Effects
filament yarns staple yarns linking pneumatic interlacing interlacing nozzle
2009/2/17
Part II of this article is a continuation of the one presented in Fibres & Textiles in Eastern
Europe, No. 1/2008. Part I outlined the innovation of a method of linking yarns by pneumatic
interlacin...
Linking Yarns From Staple and Filament Fibres by High-Efficiency Pneumatic Interalcing. Part I: Factors Influencing the Linking Effect and the Properties of Interlaced Yarns. Analysis of Tensile Strength Parameters
filament yarns staple yarns linking pneumatic interlucing interlucing nozzle
2009/2/17
The linking of yarns manufactured from staple and filament fibres, as well as only from staple fibres by the technique of high-efficient pneumatic interlucing was the subject of investigations commenc...
Process of Preparing Filament/Staple Fibre-Nonwoven Fabrics with the Cushioning Effect of Ballistic Resistance
non-penetrated damage bulletproof cloth nonwoven cushion structure
2009/2/9
Non-penetrated damage is a main index that expresses the safety of bulletproof cloth in use. The kinetic energy of the bullet needs to be dissipated and dispersed by the bulletproof cloth after shooti...