What looks like a flying egg, was never designed to land, and was so light it could be thrown off course by its own guns?

The Impella device (Impella, Abiomed, Danvers, MA) is a percutaneous transvalvular microaxial flow pump that is currently used for (1) cardiogenic shock, (2) left ventricular unloading (combination of ...

Abstract: Axial-flux permanent magnet (AFPM) machines are well suited for a wide range of applications. Their compatibility and potential for integrated motor-compressor systems are explored in this ...

Abstract: Blade row tip clearance height and the associated tip leakage flow is well known as an important factor impacting the stall inception process of compressors, thus there has been a large ...