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Computational Aero-acoustics of the coaxial flow exhaust system of gas turbine engine

Jet engine noise is an environmental problem that needs to be addressed. Several methods to reduce the jet noise have been proposed in the last decades. The main issue is to find methods that reduce noise without causing considerable loss of thrust. Experimental and computational tools are mandatory in successfully reducing jet engine noise emissions. One of the challenging issues of computing the

Higher Education in Sweden -Between "Rolling Reforms" and Stable Patterns

Both gender equality and education policy are important priorities on the political agenda in Europe. The Research and Training Network ”Women in European Universities” focuses on higher education and women’s career-perspectives in systems of higher education of seven European countries (Austria, France, Germany, Poland, Spain, Sweden and the United Kingdom). The main focus of the project is to ex

Large-Scale Gravitational Instability and Star Formation in the Large Magellanic Cloud

Large-scale star formation in disk galaxies is hypothesized to be driven by global gravitational instability. The observed gas surface density is commonly used to compute the strength of gravitational instability, but according to this criterion, star formation often appears to occur in gravitationally stable regions. One possible reason is that the stellar contribution to the instability has been

Train drivers and fatal accidents on the rail: Psychological aspects and safety

Psychological disability caused by stress is likely to affect cognitive and emotional functions, such as memory, attention, concentration, and decision making. These functions are essential in a train driver’s work, who is responsible for his or her own and others’ safety, and for this purpose requires optimal work capacity. Eighteen train drivers, 40 – 56 years old, most of them with long work ex

Taming of the BEAST

Modern communication systems are designed to enable reliable and fast information transfer. Therefore, efficient channel coding and decoding strategies are needed, which guarantee sufficiently low probability of erroneous reception with affordable receiver complexity. For many channel codes, optimal decoding with traditional methods is prohibitively complex. The challenge therefore lies in designi