AEROPTER CONCEPT CONFIGURATION: a lifting surface concept suitable for STOL/VTOL requirements.
Derives its lifting force from a fluid principle of force amplification referred to the COANDA EFFECT a rather complex phenomena of jet stream deflection and augmentation.
The primary features of the AEROPTER are shown in cross section (figure 1). The jet stream (primary flow) leaves the plenum chamber through a long thin rectangular nozzle at low temperature and medium pressure. A low static pressure region, by virtue of configuration design, is initiated by the primary air flow leaving the nozzle, which entrains ambient air through the porous media. Location of the primary nozzle with respect to the deflection surface and porous media is important. Air entrained near the deflecting surface is accelerated by turning, causing a reduced static pressure along the deflection surface. The static pressure differential causes the flow to turn thru an angle and follow the contour of the deflecting surface. The jet stream, with low static pressure, entraines atmospheric air through the porous surface configured to guide the streamlines of the entrained flow in the direction toward the deflection surface, causing the jet stream to further deflect toward the solid surface. This in turn enhances the suction pressure causing lift and improves primary flow mixing.
Based on the analysis of engineering and test data, the AEROPTER potential can be extended to several areas. Public and personal transportation, fire and police work, air taxi, air rescue and ambulance, crop dusting, rapid transit, and even military applications such as surveillance and weapon platform drones.
The AEROPTER can operate in many places that a helicopter can not, because of the absence of dangerous rotor blades and greatly reduced ground air wash and prop noise.
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