Mechanical seals are mechanisms that are used to prevent fluid leakage.Since the seal surfaces are in contact with one another, hydrodynamic and contact forces are functions of surface roughness.Additionally, since the lubrication regime under specific operating conditions such as low speed or high load causes the seal to equi-jec 6 operate in the

There are two major problems in the world, fuel deficiency and environmental pollution by fossil fuels.Microalgae are regarded as one of the most feasible feedstocks for the manufacturing of biofuels and are used in the degradation of fossil fuel spills.The present study was possessed to investigate the ability of green alga Chlorella vulgaris, blu

Abstract The increase in violence against LGBT people (lesbian, gay, bisexual, transvestite, transgender and transgender) in Brazil encourages the adoption of preventive strategies, among them the Public Conversations Project (PCP), methodology for groups in conflicts.This study aimed to analyze the group process of the PCP, focusing on the effects

During the course of recent studies on wings at low Reynold number, it was johnny cash style clothing observed that wing corrugation is often assumed to play an important role as well.However, studies show that corrugation of the wing is intended for structural purposes, and not aerodynamics.Corrugated wings have the advantage of being light and st