The Brayton Rotating Unit (BRU) Project (1968 to 1978) was aimed at a high efficiency power conversion system for isotope, reactor, and solar receiver heat sources. 1 It was

The Brayton rotating unit (BRU), operating on a gas bearing system, has been designed, fabricated, and demonstrated for use in a closed Brayton cycle space power conversion …

NASA GRC • RESEARCH AND ENGINEERING DIRECTORATE Turboalternator-Compressor BHXU Brayton Rotating Unit • First-ever Closed Brayton Cycle (CBC) power conversion …

2009年9月1日 · Closed Brayton Cycles (CBC) with a Brayton Rotating Unit (BRU) are most suitable to use in conjunction with gas-cooled space reactors. The resulting thermal efficiency …

Download scientific diagram | BRU (image courtesy of NASA) from publication: Dynamic Energy Conversion: Vital Technology for Space Nuclear Power | The National Aeronautics and Space...

In the seventies, NASA had designed and tested successfully several BRUs with induction magnet alternators at the Glenn Research Center (GRC) for more than 36,000 hours in a …

2022年11月30日 · The 32,000 rpm turboalternator was a scaled version of the BRU and mini-BRU, designed for helium-xenon working fluid (MW 40 g/mol). The system included a 94% …

In the 1970s, the United States launched the Brayton Rotating Unit (BRU) program (Mason and Schreiber, 2007), which designed and tested space Brayton cycles. The project used...

The second generation of controls, referred to as the HV BRU, was based on the first generation, but modified to provide an AC power bus to the user load intended to interface with an ion …

2019年3月1日 · BRU and miniBRU projects spanned from 1968 to 1978 at NASA. BRU systems operated in the range 2.25–15 kWe, with a turbine inlet temperature of 1144 K and …