An Overview of Aerodynamic Static Pressure Thrust

About the Aerodynamic benefits enabled by this technology

There are a number of benefits at work in this concept. A more-optimized fineness ratio, Boundary Layer Control, and Static Pressure Thrust [sibling to aerodynamic lift] all work together to enable significantly better airliners in the near term using fully mature, off-the-shelf hardware.

Background

Since the very first scientific investigations into maximizing an aircraft's performance, efforts to achieve that goal have been divided into two mostly independent specialties; thermodynamics and aerodynamics. The 'engine people' work to decrease engine fuel consumption and the 'aero people' work to decrease airframe drag.

It's important to emphasize that this division is entirely manmade and is left over from aviation's very beginnings, when such simplifications were necessary. It makes for convenient illumination of each subset of the bigger picture, but it also acts as a very effective limit on understanding and exploitation of synergistic interactions between airframe and powerplant.

Nature demands no such isolation. To the contrary, Nature's measurement of a machine's performance, along with all of our various mathematical models of it, combines the two into one basic ratio of power efficiency: work done per unit energy. Cars and trucks have MPG, sailplanes have glide ratio and jets have the range factor section of Breguet's Range Equation.

Clearly, optimizing each piece of the aircraft individually works well, but the combination of an airframe and powerplant that are optimized to interact directly can produce a synergy impossible from designs not built around each other.

One such synergy is an aerodynamic phenomenon called static pressure thrust. This is the focus of this project and is important because flight tests and wind tunnel tests conducted to date have proved a decrease in total power required of up to 50%, and this was with low-tech BLC suction equipment from the 1960s. With today's powerful CFD and CAD/CAM technology, this phenomenon seems to be 'low hanging fruit' in the hunt for ways to decrease aircraft fuel consumption.

The goal of this project is to optimize the use of this phenomenon for current-generation aircraft and maximize the fuel savings possible. This website will give a brief summary of how this goal will be met.

Copyright 2012. Patents Issued and Pending