Marine industry is one of the strong sectors bringing great economic benefits in world and especially Vietnam. However, control marine aquatic environment always a complicated problem both solutions implementation. Currently, monitoring systems are capable measuring most indicators but still face many difficulties with special such as NH3, H2S, which need to integrate specialized equipment appl...

Abstract The evaporation and condensation mechanism of two-phase flow is studied. Euler-Euler pattern used to express the properties flow. research shows that tracking program can accurately track interface. thermal resistance on confluence part insulation becomes larger. working fluids have significant influence two-phase.

FeSiCr alloys are used as soft magnetic materials for power multilayer inductors. The typically annealed at intermediate temperatures in air during inductor fabrication to form an insulating chromium oxide layer around the alloy particles. variation of annealing temperature between 700 °C and 900 air, and, first time, oxygen partial pressure studied, their effects on alloy’s oxidation behavior,...

This paper studied the impact of moisture on the correlated characteristics of the condenser bushings oil-paper insulation system. The oil-impregnated paper samples underwent accelerated thermal aging at 130 ̋C after preparation at different initial moisture contents (1%, 3%, 5% and 7%). All the samples were extracted periodically for the measurement of the moisture content, the degree of polym...

The optimum thickness of the building envelope insulation materials depends on a large number of parameters. But the optimum thickness is calculated considering only economic arguments. In this paper, life-cycle assessment of the materials used in the building, and specifically the insulation ones, are included in the process to calculate the optimum insulation thickness from both environmental...