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Upper limb arterial hemodynamics in high brachial artery bifurcation by color d...
Fragoso, M; Germano, M; Gomes, A; Sousa, M; Rocha, R; Marinho, R; Pignatelli, N; Nunes, VBackground: High bifurcation of the brachial artery is a common anatomic variant, with a prevalence of 12-20% and a challenging Doppler identification. This variant may have hemodynamic implications and compromise the success of a native arteriovenous fistula (AVF). The aim of this study is to compare the hemodynamic characteristics of the upper limb arterial axis based on the location of the brachial bifurcati...
Natural ventilation in urban areas : results of the European Project URBVENT Pa...
Ghiaus, C.; Allard, F.; Santamouris, M.; Georgakis, C.; Roulet, C. A.; Germano, M.; Tillenkamp, K. F.; Heijmans, N.; Nicol, F.; Maldonado, E.The application of natural ventilation is more difficult in urban than in rural environment, especially in street canyons due to reduced wind velocity, urban heat island, noise and pollution, which are considered to be important barriers to the application of natural ventilation. The wind, temperature, noise attenuation and outdoor-indoor pollution transfer were measured in a large range of variation and variou...
Natural ventilation of urban buildings
Ghiaus, C.; Allard, F.; Santamouris, M.; Georgakis, C.; Roulet, C. A.; Germano, M.; Tillenkamp, K. F.; Heijmans, N.; Nicol, F.; Maldonado, E.The architectural decisions for building that use natural ventilation should be taken in the initial stages of design when little information is available. A new approach is to compare the potential natural ventilation of known buildings in a new site and to adapt the design of the known example. The potential of natural ventilation may be changed by the barriers to its applications: reduced wind velocity, high...
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