Sverdrup Technology, Inc.

Rogers F Starr, Jr

Lakhi N Goenka

Ronald G Lutz

Steve Pearson

An environmental wind tunnel for producing air flow over an automotive vehicle includes a source of air under pressure and an elongated housing for receiving an automotive vehicle. The environmental wind tunnel has an upstream end coupled to the downstream end of the source of air under pressure, so that air is blown axially through the housing from its upstream end to its downstream end. The environmental wind tunnel also includes a large area ratio contraction with large area corner sections, large area duct work with a low angle diffuser, a large area fan, and acoustic treatments on the turning vanes, test chamber walls, and corner duct interior surfaces. In addition, in-flow acoustic absorption panels, and one or more flow conditioning screens may also be included in the environmental wind tunnel.

Environmental wind tunnel

An environmental wind tunnel facility for automotive vehicles, such as passenger cars, is provided with a slotted-wall extension which improves the air flow simulation over the entire vehicle and enables a reduction in the physical size of the environmental wind tunnel.

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Manchester, TN, United States of America

Rogers F Starr, Jr