摘要
以一款双风机超薄壁嵌式吸油烟机为研究对象,对具有4种不同蜗壳出口宽度的吸油烟机分别建立CAE模型,应用CFD方法对整机风道进行了模拟仿真,并对风量、内部流道的速度场、压力场等进行对比分析。通过试验测试对上述4款吸油烟机的风量、噪声进行了对比验证。采用波动度来评估300 Pa背压下的喘振性能。研究结果表明:当蜗壳出口宽度与张开度的比值γ为1.25时,满足300 Pa背压下不发生喘振的要求,且同风量下的噪声性能较优。
This paper takes a double fan ultra-thin wall embedded range hood as the research object,establishes CAE models for each of the four types of range hoods with different snail shell outlet widths,applies CFD methods to simulate the entire air duct,and conducts comparative analysis of air flow,velocity field and pressure field of the internal flow path.The air volume and noise of the above four types of range hoods were compared and verified through experimental tests.The fluctuation degree was used to evaluate the performance of the wheezing under 300 Pa back pressure.The results show that when the ratioγbetween the width of the worm shell outlet and the opening degree is 1.25,the requirement of no surge under 300 Pa back pressure is satisfied,and the noise performance at the same air volume is better.
作者
叶剑
胡杨
梁之博
周伟峰
林辉
谭海辉
YE Jian;HU Yang;LIANG Zhibo;ZHOU Weifeng;LIN Hui;TAN Haihui(Vatti Corporation Limited,ZhongShan 528415;University of Electronic Science and Technology of China,Zhongshan Institute,Zhongshan 528400)
出处
《家电科技》
2022年第S01期143-147,共5页
Journal of Appliance Science & Technology
关键词
吸油烟机
蜗壳出口宽度
噪声
波动度
喘振
Range hood
Volute outlet width
Noise
Fluctuation strength
Surge
作者简介
叶剑,硕士学位。研究方向:厨电类产品的风机风道优化设计、气动噪声降噪研究。地址:广东省中山市小榄镇工业大道南华园路1号。E-mail:yej@vatti.com.cn。
