مروری بر مقالات کاهش نویز موتور و عوامل ایجاد نویز در توربوشارژر خودرو

نوع مقاله : مقاله ترویجی

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشکده مهندسی خودرو، دانشگاه علم و صنعت ایران، تهران

2 استادیار، دانشکده مهندسی خودرو، دانشگاه علم و صنعت ایران، تهران

چکیده

امروزه با توجه به افزایش وزن خودروها، افزودن توربوشارژرها به موتورهای احتراق داخلی باعث افزایش
توان عملکردی و در عین حال، تولید صدای زیاد در بازه ی 27 دسی-بل تا 451 دسی-بل در هنگام کار کردن موتور
در دور بالا و در زمان شتابگیری ابتدایی یا حین حرکت شده است. برای کاهش اثرات بد این صداها و افزایش آرامش
سرنشینان خودرو، روش های مختلفی از جمله تحلیل های اجزاء محدود و تحلیل های عددی پره های کمپرسور
برای بهینه سازی ضرایب افت فشار )نسبت توان ورودی توربین به خروجی کمپرسور( و استفاده از پدهای صداگیر
و مواد آکوستیک به دور قطعات موتور، از جمله قطعه توربوشارژر و منیفولد هوا، به کار برده شده است. هدف اصلی
این مقاله بیان کردن و طبقه بندی پژوهش های صورت گرفته در زمینه کاهش صداهای مزاحم، حاصله از کار کردن
موتور و توربوشارژر خودرو، می باشد. همچنین ارائه راهکار مناسب برای رفع نویزهای مزاحم از دیگر اهداف مد نظر
در این مقاله است.

کلیدواژه‌ها

موضوعات


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دوره 31، شماره 1 - شماره پیاپی 142
فروردین و اردیبهشت 1401
صفحه 3-13
  • تاریخ دریافت: 06 اردیبهشت 1401
  • تاریخ بازنگری: 31 اردیبهشت 1401
  • تاریخ پذیرش: 03 خرداد 1401
  • تاریخ اولین انتشار: 03 خرداد 1401