the objective of this research is to develop an accurate numerical method to be used in showing the deformation of a liquid fuel droplet in a convective field. to simultaneously solve the internal liquid droplet flow field as well as the external gas phase flow field, a nonstaggered rectangular grid system without any coordinate transformation is used. transition from the gas field to the liqui...

Seagrass surrogates are commonly used to mimic the behaviour of seagrasses exposed currents and their effects on flow fields. The interaction is highly dependent chosen mechanic geometric properties needs be understood in order design artificial meadows. single unidirectional fields studied by means physical modelling. Surrogates made plastic materials with different flexural rigidities, buoyan...

Abstract Propeller lift characteristics are the most important parameter affecting performance of multi-rotor UAVs. In this paper, propellers three airfoils, RAF 6, CLARK Y, and E214, modeled in dimensions. The flow field simulation analysis models is carried out using FLUENT. After simulation, it found that Y about 1100 N, which best effect, but there problems, such as excess lift. Therefore, ...

Membrane contactor using amine based absorbents is an efficient technology for CO2 separation from gaseous mixtures. A novel porous polysulfone (PSF) flat membrane was prepared via non-solvent phase inversion method. The PSF membrane was modified by adding polyvinyl pyrrolidone (PVP) to the dope solution. The fabricated membrane was used in the serpentine flow field contactor module for CO2 abs...

The general flow structure over transverse aeolian dunes is now well documented through both field studies and wind tunnel experiments. Research on windward (stoss) slopes of dunes is extensive and has recently been complemented by research on the lee-side flow structure. However, a number of technical deficiencies in wind tunnel instrumentation and a lack of detailed resolution in and appropri...

Oscillating hydrofoils were installed in a water tunnel as surrogate model for hydrokinetic cross-flow tidal turbine, enabling the study of effect flexible blades on performance those devices with high ecological potential. The focuses single tip-speed ratio (equal to 2), key non-dimensional parameter describing operating point, and solidity 1.5), quantifying robustness turbine shape. Both para...