Studi Eksperimen Karakteristik Suspensi Dan Energi Bangkitan Hydraulic Electro Mechanic Shock Absorber Dua Selang Compression Satu Rebound Port Dengan Pembeban Akumulator

Handriyanto, Dodi Tri (2014) Studi Eksperimen Karakteristik Suspensi Dan Energi Bangkitan Hydraulic Electro Mechanic Shock Absorber Dua Selang Compression Satu Rebound Port Dengan Pembeban Akumulator. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

ivkemudian akan diberikan massa uji yang merepresentasikan¼dari kendaraan (city car).Dari penelitian ini didapatkan bahwa pengaruh jumlahselang (port) HEMSA dua selangcompressionsatureboundberdampak pada Perkembangan industri otomotif di Indonesia saat inimeningkat dengan pesat. Pertumbuhan jumlah kendaraanbermotor berbanding terbalik dengan ketersediaan bahan bakarfosil, dimana jumlahkendaraan bermotor semakin banyaksedangkan ketersediaan bahan bakar fosil semakin menurun.Menurut penelitianCenter for Energy,Transportation, and theEnvironment (CETE), kendaraan bermotor hanya menyalurkan16% dari tenaga bahan bakar yang digunakan.Sisanyasebesar62% menjadiengine lossessebagai panas dan getaran[1].Salahsatu cara meningkatkan efisiensi adalah dengan memanfaatkanenergi yang terbuang, salah satunya adalah dengan memanfaatkanenergi yang terdisipasi pada suspensi melalui konsepRegenerative Shock Absorber(RSA).Pada penelitian ini, dilakukan studi eksperimenkarakteristikRegenerative Shock Absorber(RSA) yangdinamakanHydraulic Electro Mechanic Shock Absorber(HEMSA), dengan menganalisa pengaruh jumlah selang (port),karakteristik suspensi, dan energi bangkitan dari model akibateksitasi impuls dan periodik pada tingkat frekuensi dan amplitudoyang bervariasi. Pengukuran energi bangkitan dilakukan denganmenggunakanquarter car suspension test rig. Mekanisme yangakan digunakan adalah dengan memasangHydraulic ElectroMechanic Shock Absorber(HEMSA)ini pada alat tersebut yang gaya yang dapat ditransferkan daricylinderhydraulic1 (absorber) saatcompressionlebih besar dari padasaatrebound, nilai konstanta redaman HEMSA tanpapembebanan sebesar 3887.5 Ns/m, sedangkannilai konstantaredaman HEMSA pembebanan akumulator saat terisi 0%, 55%,dan 100% berturut-turut sebesar 4244.5 Ns/m, 4494 Ns/m, dan4779.5 Ns/m. Energi bangkitan HEMSA pembebanan akumulatorsaat terisi 0%, 55%, dan 100% berturut-turut adalahketikafrekuensi 1.4Hz yaitu sebesar 0.2 Watt, ketika frekuensi 1.7Hzialah 0.37 Watt, dan ketika frekuensi 2Hz sebesar 1.65 Watt ========== The development of the automotive industry in Indonesia isgrowing rapidly. Growth in the number of motor vehicles isinversely proportional to the availability of fossil fuels, where thenumber of vehicles while the availability of more and more fossilfuels decreases. According to research by the Center for Energy,Transportation, and the Environment (CETE), motor vehicle onlydistribute 16% of the fuel energy is used. The remaining 62% tothe engineas heat and vibration losses[1]. One way to improveefficiency is to utilize the wasted energy, one of which is to utilizethe energy dissipated in the suspension through the concept ofRegenerative Shock Absorber (RSA).In this research, experimental studies the characteristics ofRegenerative Shock Absorber (RSA) called Hydraulic ElectroMechanic Shock Absorber (HEMSA), by analyzing the effect ofthe amount of hose (port), the characteristics of the suspension,and the energy recovery of the model due tothe periodic andimpulses excitation at frequency levels and amplitude werevaried. Measurement of energy recovery is done by using aquarter car suspension test rig. The mechanism that will be usedis to install Hydraulic Electro Mechanic Shock Absorber(HEMSA) is on the tools which will be given a test mass thatrepresents ¼ of the vehicle (city car).From this study it was found that the effect of the amount ofhose (port) HEMSA two compression hose on the force of therebound effect that can be transferred from hydraulic cylinderone (absorber) when compression is greater than at the time ofrebound, damping constants HEMSA value without the impositionof 3887.5 Ns/m , while the value of the damping constant HEMSAaccumulator charging when charged 0%,55%, and 100%,respectively for 4244.5 Ns/m, 4494 Ns/m, and 4779.5 Ns/m.Energy accumulator charging current generation HEMSAcharged 0%, 55%, and 100%, respectively, when the frequency of1.4Hz is equal to 0.2 watts, while the frequency 1.7Hz is equal to0.37 Watts, and when the frequency of 2Hz at 1.65 Watts

Item Type: Thesis (Undergraduate)
Additional Information: RSM 629.243 Han s
Uncontrolled Keywords: Energy recovery,Hydraulic Electro MechanicShock Absorber(HEMSA), pengujian kendaraan,suspensi, Energy recovery, Hydraulic Electro Mechanic ShockAbsorber (HEMSA), suspension, vehicle testing
Subjects: T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL257 Springs and suspension
Divisions: Faculty of Industrial Technology > Mechanical Engineering > (S1) Undergraduate Theses
Depositing User: - Davi Wah
Date Deposited: 17 Jun 2019 08:02
Last Modified: 17 Jun 2019 08:02
URI: http://repository.its.ac.id/id/eprint/63111

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