Simulasi Peredaman Getaran Mekanis Mesin Sentrifugal Dengan Sistem Dual Dynamic Vibration Absorber (DUAL DVA)

Mahendradewi, Putri Amarilli (2014) Simulasi Peredaman Getaran Mekanis Mesin Sentrifugal Dengan Sistem Dual Dynamic Vibration Absorber (DUAL DVA). Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Getaran yang dihasilkan mesin sentrifugal merupakan akibat dari adanya gangguan yang terjadi pada mesin dimana getaran yang terjadi dapat merambat sehingga menyebabkan kerusakan pada struktur mesin sentrifugal. Telah dilakukan penelitian mengenai simulasi peredaman getaran mekanis mesin sentrifugal mengenai penentuan nilai parameter Dual Dynamic Vibration Absorber (Dual DVA) yang terbaik untuk mereduksi getaran yang terjadi serta penentuan respon perpindahan (displacement). Pendekatan analisis penentuan parameter yang digunakan adalah metode state space sebagai fungsi ruang keadaan sebagai pemodelan secara matematis dengan penentuan nilai parameter massa, pegas dan damper menggunakan tehnik trial and errorsebagai perbandingan peredaman terbaik sistem Single DVA dan Dual DVA. Nilai pegas dan damper sistem utama telah ditetapkan sebesarr 35.000 N/m dan 2700 N.s/m (Yudhikarisma,2013). Sehingga hasil simulasi perbandingan respon perpindahan (displacement) mesin sentrifugal menggunakan Single DVA yang terbaik adalah dengan penggunaan massa (M1) 783,845 kg, pegas (K1) 125.000 N/m, dan damper (C1) 2500 N.s/m yang mampu meredam amplitudo dari respon perpindahan (displacement) hingga 30,16%. Sedangkan peredaman menggunakan Sistem Dual DVA adalah dengan penggunaan massa (M21=M22) 391,923 kg, pegas K21 dan K22 65.000 N/m, damper C21 1250 N.s/m, serta damper C22 750 N.s/m yang mampu meredam amplitudo dari respon perpindahan (displacement) hingga 30,96%. ======================================================================================================================== Vibration generated centrifugal machine is the result of a disturbance that occurred on the machine where the vibration that occurs can propagate causing structural damage to the centrifuges. Has conducted research on the simulation of mechanical vibration damping centrifuges regarding the determination of the value of the parameter Dynamic Vibration Absorber Dual (Dual DVA) is the best to reduce the vibrations that occur as well as the determination of the displacement response (displacement). Approach to the determination of the parameters of analysis is the method of state space as a function of the state space as mathematical modeling to determine the parameter values of mass, spring and damper using the technique of trial and comparison errorsebagai best damping system and Dual Single DVA DVA. Value of the spring and damper system has been established primary sebesarr 35,000 N / m and 2700 Ns / m (Yudhikarisma, 2013). So that the displacement response comparison of the simulation results (displacement) using a centrifugal machine Single DVA is best to use the mass (M1) 783.845 kg, spring (K1) 125,000 N / m, and the damper (C1) 2500 Ns / m are able to reduce the amplitude of the response displacement (displacement) up to 30,16%. While DVA damping using Dual System is the use of the mass (M21 = M22) 391.923 kg, spring K21 and K22 spring 87,500 N / m, C21 damper 1250 Ns / m, and C22 damper 750 Ns / m are able to reduce the amplitude of the response displacement to 30,96%.

Item Type: Thesis (Undergraduate)
Additional Information: RSF 629.243 Mah s
Uncontrolled Keywords: Mesin Sentrifugal, State Space, Dual DVA
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Industrial Technology > Physics Engineering > (S1) Undergraduate Theses
Depositing User: Mrs Ansi Aflacha
Date Deposited: 16 Aug 2017 03:42
Last Modified: 16 Aug 2017 03:42
URI: http://repository.its.ac.id/id/eprint/48611

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