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All Journal International Journal of Electrical and Computer Engineering Indonesian Journal of Geography Jurnal Ilmu Dasar POSITRON Jurnal Sains Materi Indonesia Jurnal Sains dan Teknologi Nuklir Indonesia (Indonesian Journal of Nuclear Science and Technology) JOURNAL AGRIBUSINESS Jurnal VOK@SINDO Journal of Mathematical and Fundamental Sciences Journal of Engineering and Technological Sciences JFA (Jurnal Fisika dan Aplikasinya) Jurnal Spektra JOURNAL ONLINE OF PHYSICS Science and Technology Indonesia JOIV : International Journal on Informatics Visualization Journal of Science and Applicative Technology Neutrino Jurnal Otomasi Kontrol dan Instrumentasi Jurnal Ilmu Fisika JURNAL METEOROLOGI DAN GEOFISIKA Jurnal Review Pendidikan dan Pengajaran (JRPP) Risalah Fisika Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Sainstek : Jurnal Sains dan Teknologi Community Development Journal: Jurnal Pengabdian Masyarakat Pillar of Physics: Jurnal Berkala Ilmiah Fisika PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Indonesian Journal of Physics (IJP) Newton-Maxwell Journal of Physics Journal of Engineering and Technological Sciences
Mitra Djamal
Institut Teknologi Bandung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Newton-Maxwell Journal of Physics

 1 
Development of a New Data Processing System for Increasing the Accuracy of a Levitation Mass Method (LMM) based Measurement Eko Satria; Hendro Hendro; Yusaku Fujii; Mitra Djamal
Newton-Maxwell Journal of Physics Vol. 2 No. 1: April 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1068.817 KB) | DOI: 10.33369/nmj.v2i1.15189

Abstract

Levitation Mass Method (LMM) is the method as a material tester to evaluate the mechanical response of general objects against impact forces. In this method, a mass is made to collide with material to be tested and the impulse, i.e. the time integration of the impact force, is measured highly accurately as a change in momentum of the mass. To realize linear motion with sufficiently small friction acting on the mass, a pneumatic linear bearing is used. The inertial force acting on the mass is calculated from the velocity of the mass. The velocity is determined, highly accurately by means of measuring the Doppler shift frequency of a laser light beam reflected on the mass using an optical interferometer. To determine the Doppler frequency shift for LMM data processing, the method for estimating the frequency is necessary. Several methods have been developed to estimate the frequency for the LMM data processing with high accuracy, i.e. Zero-Crossing Average Method (ZAM), Zero-Crossing Fitting Method (ZFM), Sine Wave Fitting, and Zero-crossing Sine Wave Fitting. All methods realized using the zero-crossing point of the waveform obtained from the digitizer. A better method to estimate frequency on the digitized waveform will enable higher precision for a more accurate result. In this research, a new method that can improve the accuracy has been developed. The program was developed using data segmentation to obtain the frequency of the digitized waveforms. The developed program has the smallest error ( 1,98 X 10^-10 for N= 200) compare to other methods (2,31 X 10-3 for ZAM; 1,10X10-3 for ZFM; and 8,69 X10-4 for Zero-crossing Sine Wave Fitting).
Preliminary research: Gas mixture flowrate detector based on acoustic measurement Melany Febrina; Eko Satria; Mitra Djamal
Newton-Maxwell Journal of Physics Vol. 2 No. 1: April 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.487 KB) | DOI: 10.33369/nmj.v2i1.15198

Abstract

In preliminary research, a system for detecting the flow rate of the gas mixture (N2 and CO2) has been successfully built using acoustic measurements. This detector consists of a speaker as a transmitter of ultrasonic waves, and 3 microphones as a receiver of the ultrasonic waves. The quantity measured in this detection system test is the phase difference of the ultrasonic waves captured by the left and right microphones. The flow rate of the gas mixture will affect the phase difference value between the left and right microphones. With the increase of the flow rate of the gas mixture, the phase difference between the two microphones will increase. The flowrate range tested was between 0 and 0.8 l/min, with a concentration of 20% CO2 in the gas mixture of N2 and CO2. In testing this detection system, the absolute error is 2,4 10-2 l/min.
Co-Authors Abdul Muid Abdul Waris Abi Hanafi, Aliif Fahrur Achmad, Fariz Aditya Alviori Adrian, Kristofer Ahmad Aminudin Akbar, Reyhan Nugraha Alam Purnama, Atra Ardiyanto Alamta Singarimbun Albab, Alfi Nur Almazari, Abar Ambran Hartono Aminah, Nina Siti Appriyana, Nazira Ari Setiawan Ashadi Amir Azizah Ghina Arifah Bergita Gela M. Saka Buchari Buchari Costrada, Aldo Novaznursyah Cut Novianti Rachmi, Cut Novianti Dadang Dadang Danang Trihatmoko, Danang Daniel Kurnia Daryono Hadi Tjahyono Dasapta Erwin Irawan, Dasapta Erwin Deddy Kurniadi Deny Juanda Puradimaja Dhani Herdiwijaya Dhani Herdiwijaya Emanuel Sungging Mumpuni Evita, Maria Faradyba, Anggi Fatahah Dwi Ridhani Fitrilawati Fitrilawati Freddy Haryanto H Mahfudz Hafizh Prihtiadi Harapan Marpaung Harmadi Harmadi Hendro Hendro Hendro Hendro Hendro Hendro Herlan Darmawan Herman Bahar Hong Joo Kim Hufri Hufri Husein H I Kadek Agus Sara Sawita I Made Astra Iful Amri Imam Suyanto Imam Taufiq Indah Permatasari Inggi Dwi Putri Irninthya Nanda Pratami Irwan irwan meilano Irzaman, Irzaman Ismail Rizka Pambudi Ivan Limansyah Jakrapong Kaewkhao Jayawarsa, A.A. Ketut Juneman Abraham Juniastel Rajagukguk Juniastel. R Kane, Hansel Khairurrijal Khairurrijal Kim, Hong Joo Kumalasari, Ratih Lia Yuliantini Lia Yuliantini Linus Pasasa M. Barmawi Maman Budiman Maria Evita Maria Evita Martin Liess Martin Liess Melany Febrina Mochammad Tanzil Multazam Moh Yasin Muhammad Kamal Mukhlizar, Mukhlizar Mukti, Rino Rakhmata Mulyaningsih, Indrya Murhaban Mustikawati, Sekar Tanjung Ni Ketut Lasmia Nina Aminah, Nina Nina Siti Aminah Nur Ismirawati, Nur Prihatini, Jihan Putra, Adiyasa Pratama Putra, Heriansyah R. N. Setiadi Rahmat Hidayat Rahmat Hidayat Rahmondia N. S Rahmondia N. Setiadi Rahmondia Nanda Ramadan, Hafiz Arshad Ramdhani, Adrian Pandjie Ramli Ramli Ramli Ramli Rausyanfikr, Fadhil Retna Apsari Riko Rakhmat Sanjaya, Yogie Sara Sawita, I Kadek Agus Sari, Mona Berlian Sari, Mona Berlian Satria, Eko Sawita, Agus Sara Sawita, I Kadek Agus Sara Siti Aminah, Nina Sony Wardoyo Sparisoma Viridi Suparno Satira Suprijadi Suprijadi Suprijadi Suprijadi Suprijadi Suprijadi Suryanto, Wiwit Suyatno Suyatno Suyatno, Suyatno Tarigan, Darell Timothy Thomas Djamaluddin Togar Saragi Tri Siswandi Syahputra Umiatin, Umiatin Wahyu Srigutomo Wahyudi Wahyudi Widyaningrum Indrasari Wilson Jefriyanto Wirawan Wirawan Wirawan, Rahadi Yudi Nugraha Yuliantini, Lia Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli Yulkifli Yusaku Fujii Zaki Suud Zannuraini Zannuraini Zul Anwar