Study on Blade Bend Optimization of Aircraft Engine
2012
Whether blade profile of aircraft engine is reasonable depends on whether the surface pneumatic distribution given is satisfactory[1,2].In the experiments of optimization design,we discover that the design results are too dependent on surface velocity distribution with the following problems:The first is that the blade bend does not meet the requirements;The second is that blade thickness does not meet the requirements;The third is that the profiles of suction and pressure surfaces are not superposed very well at the leading and following edges with mouth open or cross;The fourth is that some situations of non-design behaviour are not taken into account. In this paper,these issues of blade bend optimization are discussed.
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