應用顆粒阻尼器於變頻迴轉式壓縮機振動抑制之研究

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曾駿倫(Chun-Lun Tseng) 查詢紙本館藏

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機械工程學系在職專班

論文名稱

應用顆粒阻尼器於變頻迴轉式壓縮機振動抑制之研究
(A Study on Vibration Suppression for Inverter Rotary Compressors Using Particle Dampers)

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至系統瀏覽論文 (2025-9-28以後開放)

摘要(中)

振動噪音在近年來已成為產品設計的評估指標，在壓縮機同樣是非常重要的一環。本文提出一應用於迴轉式壓縮機之新型顆粒阻尼器(Particle Damper, PD)設計，以同時達到轉子動平衡及壓縮機抑振之效果。首先使用多體動力學建立迴轉式壓縮機模型，模型中考量循環氣體負載變化、支座與橡膠墊剛性與阻尼，模擬中同時應用離散元素法和多體動力學進行雙向耦合得到動態模擬結果，並透過實驗驗證在轉動頻率下的振動趨勢與量值，確認此模型之可靠性；後續利用此模型探討具PD之迴轉式壓縮機(新構型)之動平衡與抑振研究。此外，本研究針對新構型PD與原構型(頂配重塊)進行振動量測、紀錄比較其抑振效果，確認新構型確實有抑振效果；也探討在不同阻尼器槽數對壓縮機系統之抑振差異。隨顆粒摩擦係數增加，新構型系統之總動能越小，說明摩擦耗能越大，PD之抑振效果越佳；隨顆粒恢復係數增加，新構型之動能越大，說明碰撞耗能越小，PD之抑振效果越差。透過實驗確認振動數值，具六槽新構型阻尼器的壓縮機，其平均徑向位移可降低18.96 %、平均切向位移可降低3.74 %、平均徑向加速度可降低1.67 %、平均切向加速度可降低1.41 %，確認了本研究提出之顆粒阻尼器具有抑制振動之效果。

摘要(英)

Vibration noise has become an evaluation index for product design in recent years, especially in compressor designs. In this paper, a new particle damper (PD) design in a rotary compressor is proposed to achieve both the rotor dynamic balancing of rotor and the vibration suppression of the compressor system. Firstly, a model of rotary compressor is established based on Multi-Body Dynamics (MBD), considering the variation of circulating gas load, stiffness and damping of bearings and rubber pads, Vibration trends and magnitudes for different rotational frequencies are experimentally verified. This model is further used to investigate the effects of dynamic balancing and vibration suppression for the rotary compressor with the PD (new configuration). In addition, the practical experiments are conducted to measure vibration signals of the rotary compressor with the proposed PD and with the original top counterweight. Further, influence of the PD with different groove numbers on the vibration suppression of rotary compressor system is discussed.
Total kinetic energy for the new configuration system becomes smaller as increasing the frictional coefficient of particles, indicating that the effect of PD′s vibration suppression becomes better as the frictional energy consumption is getting greater. The kinetic energy of new configuration system becomes greater as increasing the restitution coefficient of particles, indicating that the effect of vibration suppression of PD becomes worse as the collision energy consumption reduces. Regarding to the measured data of Case 1, the average reduction on the radial displacement and the tangential displacement is 18.96% and 3.74%, respectively; the average reduction on the radial acceleration and the tangential acceleration is 1.67% and 1.41%, respectively. The effect of the proposed PD on vibration suppression is thus confirmed.

關鍵字(中)

★ 迴轉式壓縮機
★ 多體動力學
★ 動平衡設計
★ 顆粒阻尼器
★ 抑振

關鍵字(英)

★ rotary compressor
★ multi-body dynamics
★ dynamic balance design
★ particle damper
★ vibration suppression

論文目次

摘要 I
ABSTRACT II
謝誌 IV
目錄 V
圖目錄 VII
表目錄 IX
符號對照表 X
第1章緒論 1
1-1 研究背景 1
1-2 研究動機與目的 2
1-3 文獻回顧 2
1-4 論文架構 4
第2章迴轉式壓縮機結構與顆粒阻尼器概念 6
2-1 迴轉式壓縮機結構與動作原理 6
2-2 阻尼顆粒之接觸理論與抑振機制 8
2-3 顆粒阻尼器設計與動平衡概念 13
第3章迴轉式壓縮機之具顆粒阻尼動力模型 17
3-1 動平衡配重塊設計及組立 17
3-2 MSC.ADAMS 迴轉式壓縮機模型建立 23
3-3 顆粒阻尼器對迴轉式壓縮機之動平衡校正 30
第4章迴轉式壓縮機實驗建立 34
4-1 迴轉式壓縮機組裝及確認 34
4-2 冷凍能力測試及運轉能力測試 37
4-3 空調系統之振動噪音量測 39
第5章具顆粒阻尼器之迴轉式壓縮機實驗結果 43
5-1 具顆粒阻尼器之抑振效果 45
5-2 具顆粒阻尼器之音量比較 48
5-3 具顆粒阻尼器之升轉抑振比較 48
第6章總結與未來展望 52
6-1 總結 52
6-2 未來展望 52
參考文獻 53
作者介紹 56

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指導教授

吳育仁

審核日期

2022-9-28

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