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Heat Transfer Enhancement of a Gas Turbine Blade-Tip Wall

The blade-tip region encounters high thermal loads because of the hot gas leakage flows. A common way to cool blade tips is to design serpentine passages with 180 degrees turn with the blade-tip walls inside the turbine blades. Improved internal convective cooling is therefore required to increase blade-tip lifetime. This chapter summarizes the heat transfer enhancement of an internal blade-tip wa

Ghosts also cry [Review of the motion picture Volver].

Reviews the film, Volver, directed by Pedro Almodóvar (2006). At the beginning of this extraordinary film, women in a small Spanish town tend to the graves of their departed; at the end, what some would consider a female "ghost" nurses a relative with cancer, as a haunting shot of a wooden door with cracks of light slowly turns dark, reminding us that in the blackness that will engulf us at the en

Collective agreements. A comparative study of Swedish and Vietnamese labour law systems

In recent years, Vietnam has witnessed its economic slowdown. In the labor market, low wages, poor working conditions, violations of labor law are common; labor disputes and strikes increase and these have been negatively affecting workers' lives. Reason for this situation is that the market economy has developed at a higher level; Vietnamese enterprises have become more and more competitive. In t

Theoretical and experimental evaluation of a plate heat exchanger aftercooler in an evaporative gas turbine cycle

The evaporative gas turbine pilot plant (EvGT) has been in operation at Lund Institute of Technology in Sweden since 1997. This article presents the experimental and theoretical results of the latest process modifications made, i.e. the effect of the installation of an aftercooler. The purpose of the aftercooler is to increase the performance of the cycle by utilizing more low-level heat in the hu