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Journal : Jurnal Neutrino : jurnal fisika dan aplikasinya

STRAIN GAUGE SENSOR OF MASS MEASUREMENT USING A BRASS CANTILEVER Ayu, Hena Dian; Jufriadi, Akhmad; Pranata, Kurriawan Budi; E., Endarko; Muntini, Melania Suweni
Jurnal Neutrino Vol 9, No 2 (2017): April
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (749.911 KB) | DOI: 10.18860/neu.v9i2.4138

Abstract

A study of mass measurement using strain gauge 120 which was placed in the corner of the brass cantilever has been done. This study essentially utilizes deflection phenomena on the surface. This phenomenon occurs due to the mass placed on one end of the brass cantilever. The Mass was calibrated with standard mass gauge using OHAUS PA214 PioneerTM analytical balance. It was done a variation of mass-reduction and addition at the end of the brass cantilever with a multiple of 0.1 gram over a span interval of 1.1-7.5 grams. It obtained hysteresis curve plot for the changing strain gauge resistance (ΔR) versus mass variations on which the system has the maximum load range (7,1-7,5 gram). Moreover,  The test of the system for the mass variations in the output voltage of the IC AD521JD differential amplifier was approximated as a quadratic function which was expressed in the system characteristic equation m = 2,4×V2 - 0,8533×V + 1,1449, with m (gram) and V (Volt). The characteristic equation is used in the ADC conversion of the microcontroller. The measured mass value was displayed on 2 × 16 LCDs in grams.
PENERAPAN METODE GEOFISIKA UNTUK PEMETAAN DAERAH RAWAN LONGSOR DAS BRANTAS KECAMATAN SUKUN KOTA MALANG Pranata, Kurriawan Budi; Jufriadi, Akhmad; Ayu, Hena Dian; Wahyuningsih, Dwi
Jurnal Neutrino Vol 8, No 2. APRIL (2016): JURNAL NEUTRINO
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.047 KB) | DOI: 10.18860/neu.v8i2.3311

Abstract

Penelitian ini bertujuan untuk mengetahui distribusi tahanan jenis dan bidang gelincir pada pada Daerah Aliran Sungai (DAS) Brantas Kecamatan Sukun Kota Malang. Lokasi penelitian merupakan daerah dengan tebing yang  curam berkisar 70o hingga 90o. Penelitian dilakukan dengan menggunakan metode geolistrik resistivitas dengan konfigurasi Wenner. Hasil pengolahan data geolistrik resistivitas menunjukkan bahwa material lempung pasiran dengan tahanan jenis 23,4 Ohm-meter, material lempung kedap air dengan tahanan jenis 30,9–57,3 Ohm-meter diduga sebagai bidang gelincir (slip-surface). Hal tersebut disebabkan resapan air hujan yang mencapai lapisan lempung kedap air akan mengalami kontak dengan lapisan lempung, air mengalir diatas lapisan lempung dan menyebabkan hancurnya lapisan lempung sehingga menjadi licin yang kemudian menjadi bidang gelincir. Berdasarkan interpretasi hasil pengolahan data dapat disimpulkan bahwa daerah penelitian memiliki potensi yang tinggi untuk terjadi longsor
SOC (STATE of CHARGE) THREE-CELL LEAD DYNAMIC BATTERY MODEL Pranata, Kurriawan Budi; Rizal Sukma, Freygieon Ogiek; Ghufron, Muhammad; Masruroh, Masruroh
Jurnal Neutrino Vol 13, No 2 (2021): APRIL
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v13i2.11835

Abstract

Three-cells dynamic lead-acid battery has been widely manufactured as the latest secondary battery technology. It is being carried out by 10 cycles of charge-discharge treatment with a various types of SoC, such as 100% (Full charge 5100 mAh), 50% (2550 mAh), 25% (1275 mAh) and discharge current of 0.8A. This experiment aims to analyze the treatment of SOC conditions on the performance of the lead-acid battery. The cyclicality test has performed using a Battery Management System (BMS) by applying an electric current at charging 1 A and discharging 0.8A. The results of the SOC charging conditions at 100%, 50%, 25% respectively gave a difference in the value of voltage efficiency of 84%, 87%, 88%, capacity efficiency values of 84%, 80%, 69%, energy efficiency values of 70%, 70%, 62%. The 100% and 50% SOC treatments showed better performance and battery energy the 25% SOC treatment. This research can be a recommendation to predict the performance of the lead-acid battery model during the charging and discharging process.