نتایج جستجو برای: film cooling
تعداد نتایج: 144031 فیلتر نتایج به سال:
Film cooling has dramatically contributed to the performance improvement of gas turbines, as it is a very effective technique for turbines. Large eddy simulation (LES) began be used in study film 20 years ago, and meaningful results have been found, but not yet intensively reviewed. In this review paper, we analyze introduce about 70 papers published on LES over past years. Numerical instabilit...
We have investigated the crystallization kinetics of Cu50Zr50 metallic glass thin films using nanocalorimetry. The crystallization process is growth-controlled during heating and nucleation-controlled during cooling, resulting in different critical heating and cooling rates to suppress crystallization. Measurements over a wide range of scanning rates (13 K/s to 21,000 K/s) reveal that crystalli...
Heat and mass transfer between air and falling solution film in a cross flow configuration is investigated. Effects of addition of Cu-ultrafine particles in enhancing heat and mass transfer process are also examined. A parametric study is employed to investigate the effects of pertinent controlling parameters on dehumidification and cooling processes and their subsequent optimization. It is fou...
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