| 椭圆形进口集流器对多翼离心风机性能影响的实验研究 |
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| 引用本文： | 温选锋,杨昕,祁大同,毛义军,陈望明.椭圆形进口集流器对多翼离心风机性能影响的实验研究[J].西安交通大学学报,2011,45(11):45-51. |
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| 作者姓名： | 温选锋 杨昕 祁大同 毛义军 陈望明 |
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| 作者单位： | 1. 西安交通大学能源与动力工程学院,710049,西安
2. 广东顺威精密塑料股份有限公司,528305,广东顺德 |
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| 基金项目： | 国家自然科学基金，广东省和教育部产学研结合资助项目 |
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| 摘 要： | 针对中央空调中广泛使用的多翼离心风机,设计了一种新结构的椭圆形进口集流器,实验研究了这种集流器对风机性能的影响.研究结果表明:适当增加集流器出口面积有利于改进风机的气动性能,但同时噪声有所提高;相比传统集流器,具有合理参数及安装位置的椭圆形集流器能够更好地提高风机的综合性能.当椭圆形集流器的偏心角θ为0°、偏距比ε1和ε2均为0.067时,风机在变转速工况范围内的风量增加了8.8%～12.8%,总效率提高了1.7%～4.6%,噪声降低了0.4～0.6dB;当θ为30°、ε1和ε2均为0.067时,风机风量增加了2.5%～6.0%,总效率提高了0.6%～1.4%,噪声降低1.2～1.5dB.实验结果为改进前向多翼离心风机的性能提供了一条可以继续探索的途径,也可为完善该类风机的设计方法提供参考.
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| 关 键 词： | 前向多翼离心风机 进口集流器 实验研究 |
Experimental Study on the Effect of Elliptical Inlet Nozzle on Performance of Multi-Blade Centrifugal Fan |
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| WEN Xuanfeng,YANG Xin,QI Datong,MAO Yijun,CHEN Wangming.Experimental Study on the Effect of Elliptical Inlet Nozzle on Performance of Multi-Blade Centrifugal Fan[J].Journal of Xi'an Jiaotong University,2011,45(11):45-51. |
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| Authors: | WEN Xuanfeng YANG Xin QI Datong MAO Yijun CHEN Wangming |
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| Institution: | 1.School of Energy and Power Engineering,Xi′an Jiaotong University,Xi′an 710049,China; 2.Sunwill Precising Plastic Corporation,Shunde,Guangdong 528305,China) |
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| Abstract: | Forward-curved multi-blade centrifugal fans are widely used in central air conditioning systems.In this study,a new elliptical inlet nozzle in a multi-blade fan was designed,and experiments were conducted to investigate the effects of this structure on the fan performance.The results show that properly enlarging outlet area of the inlet nozzle will increase the aerodynamic performance of the fan but lead to greater A-weighted sound pressure level(SPL).Compared with the conventional inlet nozzle,the elliptic... |
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| Keywords: | forward-curved multi-blade centrifugal fan inlet nozzle experimental study |
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