![]() While the concept of a “two-dimensional” wing section may initially sound somewhat artificial, it is possible to mimic a wing of infinite aspect ratio, both experimentally and theoretically, and so obtain aerodynamic results that pertain only to the shape of the airfoil section. This is because two-dimensional airfoils are equivalent to wings of infinite span and aspect ratio. However, before examining the characteristics of finite wings, i.e., three-dimensional wings with finite span and perhaps with twist and planform taper, it is prudent to investigate the aerodynamic characteristics of two-dimensional airfoil sections. The magnitude of the lift and drag forces depends on many factors, including the size and shape of the body and its orientation to the flow, as well as the Reynolds number and free-stream Mach number. The force component on the body in a direction parallel to the relative wind direction is called the drag. By definition, the component of this force that acts on the body in a direction perpendicular to the relative free-stream flow or “relative wind direction” is called the lift. A body that is moved through a fluid will create some form of fluid-dynamic force upon it. Understanding the aerodynamic behavior of airfoils and wings is a significant part of the practice of aerospace engineering, and this understanding is critical to the successful design of all aircraft. “This has set us up to address that full business spectrum for our clients, which is really exciting,” he said.24 Aerodynamics of Airfoil Sections Introduction Vallee-Smith said that goal of that effort is driving higher creativity by enabling talent to focus on particular areas of expertise.ĭonovan said Airfoil’s overhaul also equipped the firm to handle clients’ needs from building brand awareness to driving purchases and customer loyalty. Internally, Airfoil has been reorganized as well, with work and expertise falling under three new core capabilities, each with its own leadership: content and social media strategy strategy and media relations and client experience. “This positions us to deliver our work more efficiently and profitably and it also positions us to do more integrated work,” she said. Vallee-Smith said building out digital gives Airfoil the opportunity to “move with the projected trends in the industry,” including more heavily leveraging digital offerings and multi-channel content creation and distribution. That included the creation of a digital hub which, among other things, gives Airfoil the opportunity to procure new business completely by digital means. Other big changes include the launch of Airfoil Digital in March, a move meant to improve client services and offerings by expanding beyond traditional public relations, Vallee-Smith said. Sharon Neumann, previously senior VP of finance and administration, has been promoted to the group’s chief operating officer. Vallee-Smith will now serve as CEO of Airfoil Group, which is the umbrella for Airfoil Communications and Airfoil Digital. The changes start at the top, with founder Lisa Vallee-Smith, who had been serving as CEO and president, ceding the president’s job to former senior VP Keith Donovan. ![]() ROYAL OAK, MI - Detroit-area tech agency Airfoil Communications has revamped its organizational and leadership structure to better keep pace with changing client needs.
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