A complete identification and characterization of three distinct capillary instabilities in nematic liquid crystal fibers is presented. Linear stability analysis of capillary instabilities in thin nematic liquid crystalline cylindrical fibers is performed by formulating and solving the governing nematocapillary equations. A representative axial nematic orientation texture is studied. The surfac...

The solidification behavior of poly(vinylidene fluoride) (PVDF) solution during membrane preparation by thermally induced phase separation (TIPS) was investigated. Apparatus newly developed in our laboratory was used to quantitatively measure membrane stiffness during phase separation. In this apparatus, a cooling polymer solution, placed on a stage, is moved upwards and the surface of the poly...

Presented study analyses different jet parameters that appear during and after bubble collapse, namely center displacement, length of a jet-pierced size the rebounded their relation to anisotropy parameter in vicinity liquid–liquid interface. In experiments cavitation was produced with focused pulsed laser its dynamics recorded by high-speed camera. Two types liquid-liquid interfaces consisting...

During the past decade, piezoelectric actuators as the active element in synthetic jets demonstrated that they could significantly enhance the overall lift on an airfoil. However, durability, system weight, size, and power have limited their use outside a laboratory. These problems are not trivial, since piezoelectric actuators are physically brittle and display limited displacement. The object...

River bed and bank protections should be designed regarding unsaturated soil conditions. Natural surface and pore water are not ideal incompressible fluids. Microscopic gas bubbles are dispersed in both of them. Due to the compressibility of such fluids delayed pore water reactions can be observed when external pressure changes act on such a medium. This paper deals with the results of laborato...

A new experimental technique based on computational analysis of the colour and displacement of thermochromic liquid crystal tracers is applied to determine both the temperature and velocity fields of natural convection in freezing water. It combines Particle Image Thermometry and Particle Image Velocimetry. Full 2-D temperature and velocity fields are determined from two or more colour images t...

We propose the nano-scale displacement sensor with high resolution for weak-force systems could be realized based on vertical stacked two-dimensional (2D) atomic corrugated layer materials bound through Van der Waals (VdW) interaction. Using first-principles calculations, we found the electronic structure of bi-layer blue phosphorus (BLBP) varies appreciably to both the lateral and vertical int...

The stress at the support structure of clarification tank is large, which will have a certain impact on whole structure. typical concentration phenomenon cause structural damage and serious harm to steel itself. In order study influence bearing plate seismic response tank, this paper analyzes dynamic by setting different thickness plates connection between column body tank. Based displacement, ...

AbstractLinear variable differential transformer (LVDT) has evolved into a highly accurate and reliable form of displacement transducer and has found widespread application in industry for the measurement of displacement, force or pressure. This paper discusses the design consideration of an LVDT based digital weighing system capable of weighing up to 1000 grams (1 kilogram). Atmel 89S52 microc...