Aerodynamic, load, flow-visualization, and inflow measurements have been made on a 10-m, three-bladed, downwind, horizontal-axis wind turbine ( HAWT). A video camera mounted on the rotor was used to record night­ time and daytime video images of tufts attached to the low-pressure side of a constant-chord, zero-twist blade. Load measurements were made using strain gages mounted at every 10% of t...

OBJECTIVE The angle of the C-MAC D-Blade® videolaryngoscope, which is used for difficult airway interventions, is not compatible with routinely used endotracheal tubes. METHODS A prospective randomized crossover study was performed comparing five intubation methods for use with standardized airways, including using different stylets or no stylet: Group HS, hockey-stick stylet; Group DS, D-bla...

blades, pivoted so that the sharpened edges of each blade slide against each other when the handles opposite to the joint or pivot are closed. The cutting edge of each blade is where the inner surface and the cutting surface meet (Figure 1). The two cutting edges cut as they slide over each other. The angle of the cutting surface is usually between 0 and 15 degrees from the horizontal. Scissors...

In the title compound, C(12)H(10)BrN, the dihedral angle between the benzene rings is 52.5 (1)°, whereas the pitch angles, or the angles between the mean plane of each aryl group 'propeller blade' and the plane defined by the aryl bridging C-N-C angle, are 19.6 (2) and 36.2 (3)°. While the N-H group is not involved in hydrogen-bonding inter-actions, the structure exhibits a network of inter-mol...

The CFD method is used to predict the flow and the compressor map. For the optimisation CAE-based parametric optimisation with respect to 15 geometry parameters, based on the primary design is used. The optimisation procedure is divided in two steps: The first one is the sensitivity study combined with the generation of the Metamodel of optimal Prognosis (MoP), where the most relevant input par...

At present, the radius of wind turbine rotors ranges from several meters to one hundred meters, or even more, which extends Reynolds number of the airfoil profile from the order of 105 to 107. Taking the blade for 3MW wind turbines as an example, the influence of Reynolds number on the aerodynamic design of a wind turbine blade is studied. To make the study more general, two kinds of multi-obje...

A Cobb angle measurement, the angle between upper end plate of T5 and lower end plate of T12, higher than 40 degrees known as kyphosis. Although various etiologies cause kyphosis, the best-known form, Scheuermann’s kyphosis causes disorder in sagittal balance. Surgery should be considered for persistent pain despite conservative treatment, progressive neurological deficits and cosmetic reasons....

Distal femoral fractures thigh up from 4 to 9% of all fractures of the femur. There is a direct relationship between the mechanism of receipt of the lesion and the age, sex and the type of fracture. Caused mainly by high-traumatic effects and lead to a high degree of disability. For these reasons, injuries in this anatomical area are of great social importance. The goal of the distal femur frac...

Development of multicellular organisms proceeds via the correct interpretation of positional information to establish boundaries that separate developmental fields with distinct identities. The maize (Zea mays) leaf is an ideal system to study plant morphogenesis as it is subdivided into a proximal sheath and a distal blade, each with distinct developmental patterning. Specialized ligule and au...