We investigate the role of culturally diverse board of directors on firm outcomes in China. We examine whether the diverseness of the educational, professional and cultural backgrounds of board members influences firm innovation. We find that firms whose directors have international experience are more innovative. In addition, the positive cultural diversity effect is more pronounced for returnee directors with postgraduate and science-related degrees, and longer international work experience. Further, the directors who gain international experience from the countries with higher standards of management practice, corporate governance and intellectual property rights protection have a higher impact on corporate innovative activities.
A numerical investigation was conducted on an Unmanned Combat Air Vehicle (UCAV) model which is a moderately swept, tailless and flying wing configuration. A wind tunnel test was performed to validate the numerical results. Model forces and moments were measured using a six-component strain-gauged force balance. The computations were performed using a commercial Reynolds-Averaged Navier-Stokes (RANS) flow solver. The numerical results show that the lateral unstable of the model is caused by asymmetrical breakdown of the body vortex, and the flaps installed can induce earlier breakdown and intensity loss of the leeward vortex resulting in the enhancement of lateral stability.
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