叶片参数对旋涡风机性能的影响Effect of Blade Parameters on Performance of Regenerative Blower
韩惠君;左曙光;
摘要(Abstract):
应用动量交换理论以及由此推导出的数学模型预测了旋涡风机的性能,包括压头系数、水力效率。此外,还分析了不同叶片厚度和叶片数目对旋涡风机性能的影响。计算结果与文献中实验结果相符。通过此分析,给出了一个最优叶片数目。本文使用Ansys Workbench工具对不同厚度的叶片进行了疲劳分析,提供了可以减轻风机质量并保证机械性能的合理叶片厚度范围。这些结果为未来旋涡风机的设计提供了合理的依据。
关键词(KeyWords): 旋涡风机;性能;叶片厚度;叶片数目;疲劳寿命
基金项目(Foundation): 国家自然科学基金(51075302);; 教育部博士点基金(20100072110027)
作者(Author): 韩惠君;左曙光;
Email:
DOI:
参考文献(References):
- [1]宋黎明,聂波.旋涡风机前向和后向叶轮特性对比研究[J].流体机械,2009,37(1):12-15.
- [2]赵复荣,祁大同,张义云,等.低压旋涡风机的设计与实验[J].流体机械,2000,28(10):5-6.
- [3]蔡兆麟,张文俊.叶片参数对旋涡鼓风机性能的影响[J].流体机械,2004,32(12):19-22,3.
- [4]胡四兵,董帆,钱勇,等.旋涡鼓风机的内流仿真与试验研究[J].流体机械,2011,39(8):15-18.
- [5]Wilson W A,Santalo M A,Oelrich J A.A theory of thefluid dynamic mechanism of regenerative pumps[J].Trans.ASME,1995,77,1303-1316.
- [6]Engeda A,Elkacimi Y.A regenerative flow compressoras a secondary air pump for engine emission control.Proceedings of the Institution of Mechanical Engineers[J].Part C:Journal of Mechanical Engineering Sci-ence,2008,222(9):1707.
- [7]Yoo I S,Park M R,Chung M K.Improved momentumexchange theory for incompressible regenerative turbo-machines.Proc.IMechE[J].Part A:J.Power andEnergy,2005,219:567-581.
- [8]Song J W,Engeda A,Chung M K.A modified theoryfor the flow mechanism in a regenerative flow pump[J].Proc.IMechE,Part A:J.Power and Energy,2003,217:311-321.
- [9]Badami M.Theoretical and experimental analysis oftraditional and new periphery pumps[J].SAE Techni-cal Paper Ser.,1997,971074,45-55.
- [10]Quail,Francis,Stickland M T,et al.A one-dimen-sional numerical model for the momentum exchange inregenerative pumps[J].Journal of Engineering for GasTurbines and Power,2011,133(9).
- [11]陈自芬.旋涡气泵[J].机电工程,1994,(1):48-51.