Driven aircraft, in particular an aircraft designed as a flying wing and/or having a low radar signature

Abstract

The invention relates to an aircraft (10), comprising a fuselage body, a wing body (12), and at least one drive flow passage (16), which extends from an air inlet (18) directed forward (+x) on the body surface (14) via a jet engine (20) through the body (12) to a propelling nozzle (22) that opens toward the rear (-x) on the body surface (14).; In order to enable greater design freedom in regard to the shape of the body (12), in particular in the manner of a flying wing having improved flight properties compared to known aircrafts, and / or to achieve an extreme reduction in the radar signature of the aircraft (10), at least one part of the jet engine (20), in particular the entire jet engine (20), is arranged upstream of the air inlet (18) as viewed in the flying direction (+x) of the aircraft (10) and the drive flow passage (16) has curvature sections (24, 28) designed and arranged suitably therefor.

Description

technical field [0001] The invention relates to a driven aircraft according to the preamble of claim 1, having a fuselage and a wing body (Rumpf- und Tragfluegelkorpus) and at least one drive flow channel (Antriebsstroemungspassage) extending from the surface of the body An air inlet pointing forward extends through the airframe via a jet engine (Strhltriebwerk) to a propulsion nozzle (Schubduese) which exits rearwardly on the surface of the airframe. Background technique [0002] As examples of such aircraft of this type, the strategic long-range bomber "Northrop B-2 Spirit" (Fig. 1) and the unmanned experimental fighter (English: unmanned combat air vehicle, UCAV) "Boeing X- 45" (Figure 2) and "Northrop Grumman X-47 Pegasus" (Figure 3). [0003] Common to the aircraft listed only by way of example is that they have two interrelated features, namely, on the one hand, a more or less "minimized" shape of the fuselage and wing bodies (corresponding to the principle (Nurflueg...

AI Technical Summary

Problems solved by technology

[0010] Another inherent problem with air inlets is that they generate lateral forces at yaw angles (Schiebewinkel), which depend on the mass flow of the coupled drive runners and the shape of the inlet

In particular, the air inlets installed relatively far in front therefore generate yaw moments in the yaw that destabilize the aircraft, which have to be compensated anyway and can lead to in-flight stability especially in the absence of side tail fins. serious problems with

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