?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SIMULASI+PENGHITUNGAN+DAN+EKSPERIMENTAL%0D%0APERBANDINGAN+KOEFISIEN+REDAMAN+VISCOS+MINYAK%0D%0APELUMAS+MENGGUNAKAN+SISTEM+GETARAN%0D%0ATEREDAM+BATANG+KANTILEVER&rft.creator=Selviana+Larasati%2C+1315021060&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=A+simple+vibration+system+in+general+consists+of+a+mass%2C+a+spring+and+a+damper%2C+where%0D%0Aa+model+of+cantilever+beam+structure+with+a+spring+and+a+viscous+damper+were+used+in%0D%0Athis+study.+The+previous+study+mainly+discussed+about+a+cantilever+vibration+test+system%0D%0Awith+no+damper%2C+while+in+this+study+the+same+vibration+test+system+was+used+for%0D%0Acomparation+of+variation+of+viscous+dampers.+This+system+was+used+to+calculate%0D%0Aviscous+damping+coefficients+for+several+types+of+oil+lubricants.+Experimentally%2C+a%0D%0Alogarithmic+decreament+method+was+used+to+obtain+the+damping+ratio+values.+While%0D%0Athe+equation+of+motion+system+were+carried+analytically+derived+from+damped%0D%0Acantilever+beam+system+free+body+diagram+to+obtain+the+viscous+damping+coefficient%0D%0Aequation.+From+the+experiment+and+calculations+result%2C+the+damping+coefficient+of+used%0D%0ASAE+10+and+SAE+40+lubricant+oils+increased+by+267+%25+and+208+%25+consecutively%0D%0Acompared+to+the+new+one%2C+while+the+damping+coefficient+of+new+SAE+40+is+145+%25+higher%0D%0Acompared+to+new+SAE+10%2C+whereas+used+SAE+40+had+a+113+%25+higher+damping%0D%0Acoefficient+in+comparison+to+that+of+used+SAE+10%E2%80%99s.%0D%0A%0D%0AKeywords+%3A+Viscous+Damper%2C+Damping+Coefficient%2C+Lubricant+Oil%0D%0ASistem+getaran+sederhana+secara+umum+terdiri+atas+massa%2C+pegas+dan+peredam%2C+di+mana%0D%0Apada+penelitian+ini+digunakan+model+struktur+batang+kantilever+dengan+pegas+dan%0D%0Aperedam+viscos.+Penelitian+sebelumnya+menganalisis+alat+uji+getaran+sistem+batang%0D%0Akantilever+ta+pa+peredam.+Namun%2C+dalam+penelitian+ini+digunakan+alat+uji+getaran+yang%0D%0Asama+untuk+tujuan+membandingkan+redaman+viscos.+Sistem+ini+digunakan+untuk%0D%0Amengukur+koefisien+redaman+viscos+untuk+berbagai+jenis+minyak+pelumas.+Secara%0D%0Aeksperimental%2C+metode+pengurangan+logaritmik+digunakan+untuk+mendapatkan+nilai%0D%0Arasio+redaman%2C+selanjutnya+secara+analitik+penurunan+persamaan+dapat+dilakukan%0D%0Adengan+menggunakan+diagram+benda+bebas+sistem+batang+kantilever+teredam+untuk%0D%0Amendapatkan+persamaan+koefisien+redaman+viscos.+Dari+pengujian+dan+perhitungan%0D%0Ayang+telah+dilakukan+koefisien+redaman+minyak+pelumas+SAE+10+bekas+mengalami%0D%0Akenaikan+sebesar+267%25+dibandingkan+yang+baru%2C+sedangkan+minyak+pelumas+SAE+40%0D%0Abekas+juga+mengalami+kenaikan+sebesar+208%25+dari+yang+baru+sedangkan+untuk+SAE%0D%0A40+baru+memiliki+nilai+koefisien+redaman+145%25+lebih+besar+dari+SAE+10+baru+dan+SAE%0D%0A40+bekas+memiliki+nilai+koefisien+redaman+113%25+lebih+tinggi+dari+minyak+pelumas%0D%0ASAE+10+bekas.%0D%0A%0D%0AKata+Kunci+%3A+Peredam+Viscos%2C+Koefisien+Redaman%2C+Minyak+Pelumas&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57090%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57090%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F57090%2F13%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Selviana+Larasati%2C+1315021060++(2019)+SIMULASI+PENGHITUNGAN+DAN+EKSPERIMENTAL+PERBANDINGAN+KOEFISIEN+REDAMAN+VISCOS+MINYAK+PELUMAS+MENGGUNAKAN+SISTEM+GETARAN+TEREDAM+BATANG+KANTILEVER.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F57090%2F