Droplet impact affects water collection, which is the key to investigating icing process on an aero-engine spinner. Different from a stationary spinner, droplet affected by Coriolis acceleration and centrifugal rotating spinners, showing different dynamics. Based Eulerian method, using coordinate system we numerically investigated characteristics three shapes of spinners ANSYS Fluent. The resul...

People from different areas of the insular Caribbean and coastal zone mainland South America moved in out Lesser Antilles throughout archipelago's history before European invasion. Successive migrations, development networks human mobility, exchange goods ideas, as well constantly shifting inter-insular alliances, created diverse ethnic cultural communities these small islands. We argue that pr...

Abstract Wind turbine blades are subjected to a variety of loads in actual operation, which prone deformation and cause the strain stress concentration blade structure, thereby affecting safe operation wind service life blade. Therefore, numerical simulation study on coupling with their displacement, deformation, is carried out. The results show that at same speed, as speed increases, pressure ...

Fine particulate matter (PM 2.5 ) pollution is a key issue affecting the health of urban residents. To explore impact building form on PM pollution, this study focused Wuhan, Chinese megacity. Based data, various indices were first calculated in grids to quantitatively present spatial distribution buildings. The city-scale was obtained with satellite remote sensing and ground air monitoring dat...

Determining the scale of larval dispersal and population connectivity in demersal fishes is a major challenge in marine ecology. Historically, considerations of larval dispersal have ignored the possible contributions of larval behaviour, but we show here that even young, small larvae have swimming, orientation and vertical positioning capabilities that can strongly influence dispersal outcomes...

Studies of facilitation have primarily been limited to single mechanisms, species, or environments. We examined interacting mechanisms governing the facilitative effects of Pinus flexilis on two later successional understory species, Pseudotsuga menziesii and Ribes cereum, in different microhabitats and seasons at the ecotone between the Rocky Mountain forests and Great Plains grasslands in Mon...

This study compiles and interprets three-dimensional Weather Surveillance Radar-1988 Doppler (WSR88D) data during a 2.5-yr period and examines the typical orographic effects on precipitation mainly associated with winter storms passing over coastal northern California. The three-dimensional mean reflectivity patterns show echo structure that was generally stratiform from over the ocean to inlan...

In order to study the dynamic response characteristics of circular extended foundation wind turbine in mountainous areas, a 1:10 scaled model test was carried out on 2MW turbine, and deformation under random load were analyzed by ABAQUS numerical calculation. The results show that: (1) has different stress types windward side leeward side. components are subjected tensile stress, while compress...