Abstract: Systems and methods can provide an immersive learning environment based on cognitive task analysis followed by an analysis of instructional requirements and development of an instructional strategy. One or more immersive scenarios can be created and presented via an audio/visual training structure which enables a participant to improve real-time decision making in stressful, rapidly changing circumstances.

Abstract: Systems and methods can provide an immersive learning environment based on cognitive task analysis followed by an analysis of instructional requirements and development of an instructional strategy. One or more immersive scenarios can be created and presented via an audio/visual training structure which enables a participant to improve real-time decision making in stressful, rapidly changing circumstances.

Abstract: Methods and apparatus for scrubbing a gas with a scrubbing fluid are disclosed. The apparatus disclosed includes a rotatable scrubbing fluid impeller rotatable about an axis of rotation and a scrubbing fluid supply conduit to supply scrubbing fluid to an inner portion of the impeller so that upon rapid rotation of the impeller about the axis the scrubbing fluid is impelled outwardly and forms a rapidly rotating scrubbing fluid curtain of discrete jets at the outer periphery thereof. In one embodiment, the rotatable impeller includes first and second axially displaced sections, the first section for impelling the scrubbing fluid outwardly and the second section for impelling the gas outwardly to and through diffuser vanes, and then to vanes for altering the direction of flow of the gas as it passes from the diffuser exit plenum so that it is forced through the rapidly rotating scrubbing fluid curtain in a direction opposite to that of the rotation of the scrubbing fluid.