کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5011027 | 1462393 | 2017 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The research on semi-active muffler device of controlling the exhaust pipe's low-frequency noise
ترجمه فارسی عنوان
تحقیق در مورد دستگاه خنک کننده نیمه فعال برای کنترل سر و صدای کم فرکانس اگزوز
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موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
چکیده انگلیسی
In order to control low frequency noise in exhaust pipe, this paper puts forward a new concept of H-Q tube based semi-active muffler device. The semi-active muffler device and bench testing system have been designed and operated. Finite element simulation study on semi-active muffler and experimental study on semi-active muffler and passive muffler have been carried on. The effect of simulation and experiment are consistent. The semi-active muffler device acts well in low frequency band, especially between 50Â Hz and 150Â Hz. The average level of noise reduction is around 35Â dB, which is much better than passive muffler. Between 150Â Hz and 350Â Hz, semi-active muffler has a better performance than passive muffler; above 350Â Hz, it has worse performance compared with the passive muffler.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Acoustics - Volume 116, 15 January 2017, Pages 9-13
Journal: Applied Acoustics - Volume 116, 15 January 2017, Pages 9-13
نویسندگان
Ya-wei Zhu, Fa-wang Zhu, Yan-shan Zhang, Qing-guo Wei,