排灌机械工程学报
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排灌机械工程学报  2019, Vol. 37 Issue (4): 336-340    DOI: 10.3969/j.issn.1674-8530.18.0159
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桨距角对螺旋桨气动特性的影响
边若鹏1,昝丙合2,朱建勇3*,何淼2
1. 海军驻保定地区航空军事代表室, 河北 保定 071051;2. 惠阳航空螺旋桨有限责任公司, 河北 保定 071000;3. 沈阳航空航天大学航空发动机学院, 辽宁 沈阳 110136
Influence of pitch angle on aerodynamic characteristics of propeller
BIAN Ruopeng1, ZAN Binghe2, ZHU Jianyong3*, HE Miao2
1. Office of Navy Representative in Baoding District, Baoding, Hebei 071051, China; 2. AVIC Huiyang Aviation Propeller Co., Ltd., Baoding, Hebei 071000, China; 3 Shenyang Aerospace University, Aircraft Engine College, Shenyang, Liaoning 110136, China
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摘要 为了研究桨距角的大小对螺旋桨的整体气动性能的影响,基于滑移网格和动网格技术,使用CFD软件求解非定常不可压流动的N-S方程和S-A湍流模型,分别对桨距角静态变化和动态变化下的螺旋桨气动特性进行了模拟分析,桨距角静态变化角度分别为0°,3°和6°,桨距角动态变化时桨距角按照正弦变化曲线从0°增大到4°.数值计算结果表明:在桨距角静态变化过程中,螺旋桨的拉力和扭矩均随桨距角的增大而增大,而效率降低,相对于桨距角0°,桨距角3°时的拉力提高了20%~30%、扭矩提高了将近30%~40%.在桨距角动态变化过程中,随着桨距角的增加,拉力、扭矩及需用功率均呈线性增加,效率减小,此外,桨距角静态变化时的桨距角3°与和桨距角从0°增大到4°动态变化时的桨距角3°所对应的气动参数大致相同.
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边若鹏
昝丙合
朱建勇*
何淼
关键词螺旋桨   桨距角   动态变化   气动特性   数值模拟     
Abstract: In order to study the cross wind effect on the influence of pitch angle on the overall aerodynamic performance of propeller, CFD software was used to solve N-S equation of unsteady incompressi-ble flow and S-A turbulence model, based on sliding mesh technology and dynamic mesh technology. The aerodynamic characteristics of propeller under static change and dynamic change of pitch angles were numerically simulated, respectively. The static pitch angles were 0?, 3癮nd 6?. The dynamic change of pitch angle indicates pitch angle sinusoidally varied from 0皌o 4?. The numerical results indicates that in the static process, the tension and torque increase linearly with pitch angle, while the efficiency decreases. Compared to the case of pitch angle of 0?, the tension increases by 20%-30% and the torque increases by 30%-40% for pitch angle of 3?. In the dynamic process, the tension, torque and power increase linearly with pitch angle, while the efficiency decreases. Moreover, the aerodynamic parameters at pitch angle of 3癷n the static process approximately equals that at the same pitch angle of 3癷n the dynamic process, where pitch angle increases form 0皌o 4?
Key wordspropeller   pitch angle   dynamic change   aerodynamic characteristics   numerical simulation   
收稿日期: 2018-08-02;
引用本文:   
边若鹏,昝丙合,朱建勇*等. 桨距角对螺旋桨气动特性的影响[J]. 排灌机械工程学报, 2019, 37(4): 336-340.
BIAN Ruo-Peng-,ZAN Bing-He-,ZHU Jian-Yong-* et al. Influence of pitch angle on aerodynamic characteristics of propeller[J]. Journal of Drainage and Irrigation Machinery Engin, 2019, 37(4): 336-340.
 
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