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论文:2012,Vol:30,Issue(6):841-846 |
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引用本文： |
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段义乾, 史爱明. 一种新型的螺旋桨滑流激励盘模型的研究方法[J]. 西北工业大学 |
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Duan Yiqian, Shi Aiming. A New and Effective Actuator Disk Model Approach for the Simulation of Propeller Slipstream[J]. Northwestern polytechnical university |
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| 一种新型的螺旋桨滑流激励盘模型的研究方法 |
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| 段义乾, 史爱明 |
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| 西北工业大学 翼型叶栅空气动力学国防科技重点实验室, 陕西 西安 710072 |
| 摘要: |
| 根据完整桨叶模型数值计算结果结合动量理论发展出一种新的激励盘模型完成对螺旋桨滑流的数值模拟。使用完整桨叶模型模拟螺旋桨滑流真实流场,计算出螺旋桨滑流流场的各个流动参数。由完整桨叶模型计算结果得出桨盘前后不同位置压差,拟合出满足条件的桨盘压差曲线。将所得压差曲线用于激励盘模型中,完成激励盘模型对螺旋桨滑流流场流动特征的数值模拟方法的研究。计算结果表明,文中所建立的激励盘模型能够模拟出螺旋桨滑流的主要流场特征。 |
| 关键词:
螺旋桨滑流
完整桨叶模型
激励盘
压差
N-S方程
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| A New and Effective Actuator Disk Model Approach for the Simulation of Propeller Slipstream |
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| Duan Yiqian, Shi Aiming |
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| National Key Laboratory of Aerodynamic Design and Research,Northwestern Polytechnical University,Xi'an 710072,China |
| Abstract: |
| Based on momentum theory and the results of numerical simulation with full propeller blade modeling,a new actuator disk modeling of airplane propeller is presented. Sections 1 and 2 of the full paper explain our ap-proach mentioned in the tittle,which we believe is new and effective and whose core consists of: (1) the full pro-peller blade modeling is used to numerically simulate propeller slipstream; (2) the pressure jump of propeller diskis got from the results of the numerical simulation and a pressure jump curve is obtained; (3) the actuator diskmodel with the pressure jump curve is constructed to numerically simulate propeller slipstream. Setion 2 also evalu-ates our approach; the simulation results,presented in Figs. 9 and 10,and their analysis show preliminarily thatthe actuator disk model can indeed numerically simulate effectively the main characteristics of propeller slipstream. |
| Key words:
actuator disks
algorithms
computational fluid dynamics
computation geometry
computer simula-tion
efficiency
mathematical models
Navier Stokes equations
pressure
propellers
schematic dia-grams
velocity;full propeller blade modeling
pressure jump
propeller slipstream
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| 收稿日期: 2011-12-16
修回日期:
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| DOI: |
| 基金项目: 航空科学基金(20111453);西北工业大学本科毕业设计重点扶持项目;西北工业大学基础研究基金(JC201128)资助 |
| 通讯作者:
Email： |
| 作者简介: 段义乾(1988-)，西北工业大学硕士研究生，主要从事计算流体力学研究。
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