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Filtry

180 086 (0,267s)

Výsledek výzkumu

Structural analysis and mathematical modelling of yarns

Survey of original methods for solving of yarn structure modelling and its mechanical properties.

JJ - Ostatní materiály

  • 2001
  • D
Výsledek výzkumu

Mathematics model of yarn unwinding

In this article the opening study of the unwinding of yarn from packages is presented. Mathematical model describes the whole process starting with zero initial velocity of the yarn up to stationary motion of the <...

JB - Senzory, čidla, měření a regulace

  • 2000
  • D
Výsledek výzkumu

Tensile behavior of staple fiber yarns part III: comparison of mathematical models

models that predict yarn tensile properties, the mathematical model is still very important being the base for all models. In this research, three mathematical models in staple spun ...

Textiles; including synthetic dyes, colours, fibres (nanoscale materials to be 2.10; biomaterials to be 2.9)

  • 2017
  • Jimp
  • Odkaz
Výsledek výzkumu

Simulation of Unwinding Process of Yarn from Package

In this article the study of the over-end unwinding yarn from packages is presented. Mathematical model of yarn balloon was investigated with non-stationary throughout its length. Mathematical model

JQ - Strojní zařízení a nástroje

  • 2001
  • D
Výsledek výzkumu

Non-stacionary mathematical model for an yarn unwinding balloon

In this article the mathematical model of yarn balloon for the over-end speed of yarn and balloon height are used in the model. For mathematical formulation of investiated problem the yarn

JP - Průmyslové procesy a zpracování

  • 2004
  • D
Výsledek výzkumu

Mathematical model of unwinding process of yarn from package.

By the method of the Lagrange's equations the dynamics of unwinding process of yarn from package is solved. The finited element method is used, the yarn is represented by a chain made up of small straight segments having equal lengt...

BA - Obecná matematika

  • 2000
  • D
Výsledek výzkumu

Modeling of two-ply yarn strain at break

The phenomenon of two-ply yarn strain at break is not too examined. If you want to mathematically describe two-ply yarn strain at break, you most likely find the most usual twists. The presented paper will try to introduce ...

JJ - Ostatní materiály

  • 2010
  • D
Výsledek výzkumu

Modeling of two-ply yarn strain at break

The phenomenon of two-ply yarn strain at break is not too examined. If you want to mathematically describe two-ply yarn strain at break, you most likely find the most usual twists. The presented paper will try to introduce ...

JJ - Ostatní materiály

  • 2010
  • Jx
Výsledek výzkumu

Simulation and analysis of the loop spinning system

of the mathematical model. Shape of the ballooning yarn is defined by image analysis from video. The compiled mathematical model serves for analysis and optimisation of boundary conditionsIn this paper, t...

JP - Průmyslové procesy a zpracování

  • 2010
  • D
Výsledek výzkumu

Mathematical Model of the Yarn Traversing Mechatronic System

The paper deals with the yarn traversing system and its mathematical model. The system is based on the traversing rod driven by a servo drive with a crank mechanism and electronic part it was created a mathematical...

JQ - Strojní zařízení a nástroje

  • 2009
  • D
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