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All Journal Jurnal Ilmu Dasar BERKALA SAINSTEK
Misto, M.
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Control & Systems Engineering Mathematics Physics

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Determination of Sucrose Content in Sugarcane Liquids Through Angular Dispersion Angle Measurement Misto, M.; Mulyono, Tri; Cahyono, Bowo Eko
Jurnal ILMU DASAR Vol 20 No 2 (2019)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (337.885 KB) | DOI: 10.19184/jid.v20i2.8497

Abstract

In the sugar industry, it is important to measure the sucrose content of sugar cane so that an electronic system is needed for measurement. The system was employed an array photodiode as a sensor, red and green laser, operational amplifiers (opamp), an analog to digital converter from Arduino, and a computer. The main operation of the measurement system was conducted by the sensor and controller system in the computer. The controller was programmed with Basic program, a program that suitable for the device. The signal from array photodiode sensor is send to signal processing unit (opamp) and converted to digital signal by ADC. Then the digital code is countered by controller and displayed by monitor computer. Keywords: sugar content, array photodiode, Arduino.
The Application of Cows Rumen for Electricity Generation Through The Implementation of A Ceramic-Based Microbial Fuel Cell System Mulyono, Tri; Hutamia, Diah Meirendi; Rofi’i, Imam; Misto, M.; Nugroho, Agung Tjahjo; Hariadi, Yuda Cahyoargo
Jurnal ILMU DASAR Vol 25 No 1 (2024)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v25i1.44448

Abstract

The growth in population is not adequately matched by the corresponding increase in energy demand. The imperative for prioritizing the exploration of alternative energy sources that possess attributes of safety, affordability, and ample access to raw materials cannot be overstated. An energy source with significant potential is a microbial fuel cell (MFC)-based energy source. This study aims to investigate the utilization of cow rumen as a substrate and source of nutrition in the bioenergy system of microbial fuel cells (MFCs). The present study aims to investigate the impact of substrate concentration and bacterial incubation duration derived from bovine rumen bacteria on the attainment of optimal power density. The research employed a Dual Chamber Microbial Fuel Cell (MFC) device using a Proton Exchange Membrane (PEM) constructed from ceramic materials. Daily observations were conducted over a period of 30 days. The performance of MFC was assessed utilizing the polarization technique. The findings indicated that altering the proportion of bovine rumen bacterial substrates and the duration of bacterial incubation had an impact on the power density seen in the Microbial Fuel Cell (MFC) system. The optimal conditions were attained when the substrate concentration reached 3640 ppm and after 7 days, resulting in a maximum power density of 864 mW/m2.
Design and Construction of Electrical Energy Source Panel Based on Thermoelectric Generators on Mild Steel Galvalume Maulana, Bima Wahyu; Misto, M.; Arkundato, Artoto; Mulyono, Tri
Jurnal ILMU DASAR Vol 24 No 2 (2023)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v24i2.26255

Abstract

A thermoelectric generator (TEG) is a device that converts heat energy into electrical energy. The working principle of this device is based on Seebeck's law, namely this device will produce electrical energy if the cold side and hot side of this device have a temperature difference value of . This device can be used for generator panels whose heat source comes from the sun. The cold side of the TEG is conditioned by utilizing water fluid which is passed over the heatsink. The temperature difference between the hot and cold sides of the TEG generates an electric voltage through the Seebeck effect. The parameters observed in the research on electricity generation using this TEG are voltage, current, electric power, and the temperature difference between the hot and cold sides. The resulting parameter values are as follows; average voltage (0.5495 volts), average electric current strength of 0.04 A, average electric power (0.022 watts). mean temperature difference (16.006 oC). The largest average Seebeck coefficient is 0.0413 V/oC.
Sifat Histerisis Pada Konstanta Dielektrik dan Indeks Bias Minyak Zaitun Dengan Variasi Suhu Mukarromah, Luluk; Cahyono, Bowo Eko; Misto, M.
BERKALA SAINSTEK Vol 6 No 1 (2018)
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bst.v6i1.7770

Abstract

Minyak zaitun adalah minyak nabati yang diperoleh dari tanaman zaitun (olea europaea). Minyak zaitun dapat digunakan untuk memasak, bahan obat-obatan, dan sabun. Setiap bahan termasuk minyak zaitun memiliki sifat-sifat fisika dan besarnya sangat ditentukan oleh kondisi internal bahan tersebut. Penelitian ini dilakukan untuk mengetahui lebar kurva histerisis melalui pengukuran konstanta dielektrik dan indeks bias. Bahan yang diteliti berupa 3 jenis minyak zaitun. Penelitian ini menggunakan metode kapasitansimeter dan difraksi Fraunhofer celah ganda. Diketahui bahwa ketiga jenis minyak zaitun memiliki lebar kurva histerisis yang berbeda pada pengukuran konstanta dielektrik maupun indeks bias dengan variasi suhu. Hubungan antara nilai konstanta dielektrik terhadap suhu menunjukkan peningkatan, sedangkan untuk nilai indeks bias menunjukkan penurunan. Pada pengukuran konstanta dielektrik menunjukkan bahwa minyak zaitun virgin olive oil memiliki lebar kurva histerisis paling besar dibandingkan minyak zaitun extra virgin olive oil dan extra light olive oil. Hal ini menunjukkan bahwa minyak zaitun virgin olive oil memiliki kemampuan paling besar untuk menyimpan enegi termal. Sedangkan pada pengukuran indeks bias menunjukkan bahwa minyak zaitun extra virgin olive oil memiliki lebar kurva histerisis paling besar dibandingkan minyak zaitun extra light olive oil dan virgin olive oil,. Hal ini juga menunjukkan bahwa minyak zaitun extra virgin olive oil memiliki kemampuan paling besar untuk menyimpan enegi termal. Kata Kunci: Minyak zaitun, konstanta dielektrik, indeks bias, metode kapasitansimeter, metode difraksi Fraunhofer, kurva histerisis
Co-Authors Agung Tjahjo Nugroho Artoto Arkundato Cahyono, Bowo Eko Hutamia, Diah Meirendi Maulana, Bima Wahyu Mukarromah, Luluk Rofi’i, Imam Tri Mulyono Yuda Cahyoargo Hariadi