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JPSE (Journal of Physical Science and Engineering)
Published by Universitas Negeri Malang
ISSN : 25412485     EISSN : 25412485     DOI : -
Core Subject : Science, Engineering,
Astronomy Electrical & Electronics Engineering Materials Science & Nanotechnology Physics
JPSE (Journal of Physical Science and Engineering) is published twice a year in April and October by Physics Department of Universitas Negeri Malang, Indonesia. e-ISSN: 2541-2485 The journal is devoted to publishing original, frontier and important of various branches of Physics Science and Engineering. Editors welcome scholars, researchers and practitioners of Physics around the world to submit scholarly articles to be published through this journal (free of charge).
Arjuna Subject : -
Articles 99 Documents
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Pengukuran Karakteristik Tanah Menggunakan Sensor Berbasis Web dengan Arduino Uno untuk Peningkatan Kualitas Sayuran Haidar Ali; Falen Bayu Adhetya; Nurul Hidayat
JPSE (Journal of Physical Science and Engineering) Vol 4, No 1 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Produksi komoditas sayuran di Indonesia seperti tomat, cabai, dan wortel, saat ini belum diimbangi dengan upaya kontrol kualitas yang serius. Dampaknya, banyak petani mengalami kerugian karena hasil panennya tidak mampu bersaing dengan sayuran impor. Padahal, Indonesia memiliki kekayaan alam yang potensial khususnya dalam ranah agraria. Sebagai salah satu upaya pencegahan dini terhadap kerugian petani, lahan perkebunan harus selalu dikontrol kualitasnya dengan metode yang lebih efisien dan efektif dengan menggunakan sistem jaringan sensor nirkabel berbasis Arduino Uno. Karakteristik tanah yang penting untuk terus dipantau adalah suhu dan kelembapan tanah. Selain itu, kelembapan udara dan intensitas cahaya di sekitar tanah (sayuran) juga perlu untuk terus dipantau dalam rangka memaksimalkan kualitas sayuran. Dalam penelitian ini, hasil pembacaan sensor pada empat besaran fisis tersebut diproses dengan Arduino Uno dan pembacaannya dikirim ke Thingspeak secara real time. Dengan demikian hasil dari rancang bangun alat ukur ini mampu memberikan solusi untuk meminimalisir kerugian petani sayuran. DOI: http://dx.doi.org/10.17977/um024v4i12019p030
Type of Mineral Deposits on Alteration Rocks using Petrography, X-Ray Fluorescence (XRF), and X-Ray Diffraction (XRD) Method in Geothermal Prospect in Tiouw Village, Maluku Richard R Lokollo; Josephus Ronny Kelibulin
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Indonesia is a country with abundant geothermal energy potential. One of the locations that have potential geothermal energy sources is Tiouw Village, Saparua, Central Maluku. This study was conducted on the types of mineral deposits using the petrographic method, X-Ray Diffraction (XRD), and X-Ray Fluorescence (XRF). Based on the results of petrographic analysis and XRD, rock samples 1, 2, and 3 of Tiouw include andesite igneous rocks with propylitic alteration type. While sample 4 is dacite igneous rock with argillic alteration type. Each rock sample has a mineral set of kaolinite, chlorite, quartz, cristobalite, epidote, and plagioclase. The XRF results showed the highest chemical composition of SiO2, followed by Al2O3 and K2O. This mineral content can indicate the subsurface temperature of the geothermal field in the range of 200–300 ºC with varying salinity, pH close to neutral, and low permeability. This interpreted that the type of mineral deposits in Tiouw Village was high sulfidation epithermal deposits. DOI: http://dx.doi.org/10.17977/um024v4i22019p037
Identifying Andesite Rocks Sources Using Geoelectrical Resistivity in Loli, Donggala Regency, Central Sulawesi Harsano Jayadi; Icha Untari Meidji; Basyri Yadi Tang
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Research has been carried out in Loli Village, Donggala Regency, Central Sulawesi using the Wenner-Schlumberger resistivity geoelectric method to determine the resource of andesite rocks. This measurement was done by determining the path points in the field using the Global Positioning System (GPS). The data collection was carried out using the geoelectrical resistivity method based on the area’s measurement plan. The data obtained was in the form of position data for each electrode, potential data (V), and current strength data (I) used to calculate the resistivity value (r). The results obtained from this research are andesite rock resource content, which was characterized by a high resistivity value ranging from 300–600 Wm. The resistivity value of the cover layer is low, ranging from 14–45 Wm. The latent content of andesite rocks was dominated in the southeast region on the trajectory of DRSA_01, DRSA_02, DRSA_03, DRSA_04, and DRSA_06 which had a lower topography than the northwest region. DOI: http://dx.doi.org/10.17977/um024v4i22019p045
Identifying Andesite Rocks Sources Using Geoelectrical Resistivity in Loli, Donggala Regency, Central Sulawesi Jayadi, Harsano; Meidji, Icha Untari; Tang, Basyri Yadi
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Research has been carried out in Loli Village, Donggala Regency, Central Sulawesi using the Wenner-Schlumberger resistivity geoelectric method to determine the resource of andesite rocks. This measurement was done by determining the path points in the field using the Global Positioning System (GPS). The data collection was carried out using the geoelectrical resistivity method based on the area’s measurement plan. The data obtained was in the form of position data for each electrode, potential data (V), and current strength data (I) used to calculate the resistivity value (r). The results obtained from this research are andesite rock resource content, which was characterized by a high resistivity value ranging from 300–600 Wm. The resistivity value of the cover layer is low, ranging from 14–45 Wm. The latent content of andesite rocks was dominated in the southeast region on the trajectory of DRSA_01, DRSA_02, DRSA_03, DRSA_04, and DRSA_06 which had a lower topography than the northwest region. DOI: http://dx.doi.org/10.17977/um024v4i22019p045
An Analysis of Energy Production of Rooftop on Grid Solar Power Plant on A Government Building (A Case Study of Setjen KESDM Building Jakarta) Zulkifli Zulkifli; Wahyu Wilopo; Mohammad Kholid Ridwan
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

In producing electrical energy, the solar module is affected by some factors, such as the solar radiation intensity, temperature, orientation and slope of the module, and shading that occurs during operation. The solar power plant of Setjen KESDM is coordinated at 6°10’53.73” south latitude and 106°49’24.61” east longitude, with a slope of 9.7°–10.0° and azimuth of -2.0° to -5.0° towards the north. It consists of five placement locations, including 11th floor rooftop, T1, T2, T3, and L carports with a total capacity of 150 kWp. The analysis of the production of rooftop on grid solar power plant in the government building with a case study in the Setjen KESDM was intended to determine the level of production of the solar power plant built and the parameters that influence it, which was conducted by comparing the real results with the simulation results using SAM software. The energy production in 2017 was 118,259.3 kWh, in 2018 was 106,318.3 kWh, and in 2019 was 109,973.0 kWh. The highest production was obtained in September, October, and March every year due to the maximum solar radiation. The solar power plant on the 11th floor rooftop was more maximal in producing energy for all positions of the sun than the solar power plant on the T1, T2, T3, and L carports because it was free of shading from buildings and trees. The output produced by the solar power plant of Setjen KESDM could not reach the maximum point because the location temperature was higher than the standard test conditions of the solar module. DOI: http://dx.doi.org/10.17977/um024v4i22019p055
An Analysis of Energy Production of Rooftop on Grid Solar Power Plant on A Government Building (A Case Study of Setjen KESDM Building Jakarta) Zulkifli, Zulkifli; Wilopo, Wahyu; Ridwan, Mohammad Kholid
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

In producing electrical energy, the solar module is affected by some factors, such as the solar radiation intensity, temperature, orientation and slope of the module, and shading that occurs during operation. The solar power plant of Setjen KESDM is coordinated at 6°10’53.73” south latitude and 106°49’24.61” east longitude, with a slope of 9.7°–10.0° and azimuth of -2.0° to -5.0° towards the north. It consists of five placement locations, including 11th floor rooftop, T1, T2, T3, and L carports with a total capacity of 150 kWp. The analysis of the production of rooftop on grid solar power plant in the government building with a case study in the Setjen KESDM was intended to determine the level of production of the solar power plant built and the parameters that influence it, which was conducted by comparing the real results with the simulation results using SAM software. The energy production in 2017 was 118,259.3 kWh, in 2018 was 106,318.3 kWh, and in 2019 was 109,973.0 kWh. The highest production was obtained in September, October, and March every year due to the maximum solar radiation. The solar power plant on the 11th floor rooftop was more maximal in producing energy for all positions of the sun than the solar power plant on the T1, T2, T3, and L carports because it was free of shading from buildings and trees. The output produced by the solar power plant of Setjen KESDM could not reach the maximum point because the location temperature was higher than the standard test conditions of the solar module. DOI: http://dx.doi.org/10.17977/um024v4i22019p055
Design of Flood Early Detection System using WeMos D1 Mini ESP8266 IoT Technology Muhammad Hidayatullah; Titi Andriani; Muhammad R. Azzam; Paris Ali Topan; Shinta Esabella
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Flooding is a natural phenomenon caused by water flowing in a volume that exceeds the capacity of the media holding it. The floods affect various human activities. In addition, floods also cause material losses and other related fatalities. To overcome this problem, a flood warning system based on Arduino microcontroller technology and WeMos D1 Mini ESP8266 was designed. The data measured are water level, water velocity, and rainfall. Furthermore, the three data will be combined with Fuzzy logic to make decisions. The output of the system is in the form of a remote command signal that will activate the alarm sound and indicator lights to give a warning to the public about the potential flooding that will occur. The test results show that the measured data has become sufficient information for the microcontroller to generate the corresponding indicator lights and alarm sounds. DOI: http://dx.doi.org/10.17977/um024v4i22019p067
Design of Flood Early Detection System using WeMos D1 Mini ESP8266 IoT Technology Hidayatullah, Muhammad; Andriani, Titi; Azzam, Muhammad R.; Topan, Paris Ali; Esabella, Shinta
JPSE (Journal of Physical Science and Engineering) Vol 4, No 2 (2019): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Flooding is a natural phenomenon caused by water flowing in a volume that exceeds the capacity of the media holding it. The floods affect various human activities. In addition, floods also cause material losses and other related fatalities. To overcome this problem, a flood warning system based on Arduino microcontroller technology and WeMos D1 Mini ESP8266 was designed. The data measured are water level, water velocity, and rainfall. Furthermore, the three data will be combined with Fuzzy logic to make decisions. The output of the system is in the form of a remote command signal that will activate the alarm sound and indicator lights to give a warning to the public about the potential flooding that will occur. The test results show that the measured data has become sufficient information for the microcontroller to generate the corresponding indicator lights and alarm sounds. DOI: http://dx.doi.org/10.17977/um024v4i22019p067
Measuring System of Temperature, Humidity, and Light Intensity for Plant Monitoring in BALITJESTRO, Batu City Tomy Andre Ansyah; Heriyanto Heriyanto; Buyung Al Fanshuri
JPSE (Journal of Physical Science and Engineering) Vol 6, No 1 (2021): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Therefore, a tool is needed to make it easier for researchers, so there is no need to go back and forth to retrieve data. This research has the following research method stages, (1) literature study of theories to design the system from the tools to be made, (2) system design, (3) analysis of device requirements, (4) tool calibration process (data can be said to be valid if the error does not exceed one per cent), and (5) data processing is according to agricultural research needs. In this research, a tool that has calibrated with an appropriate measuring instrument produced. Measuring temperature, humidity, and light intensity designed with a microcontroller and other sensors with a data storage base on an SD card. The measuring results show that the temperature values fluctuate between 16.9 °C to 28.2 °C. The value of air humidity tends to remain at the value of 99.9 per cent. At the same time, the value of light intensity ranges from 332 to 606 Cd. The relative error of temperature, humidity, and light intensity is 0.007, 0.082, and 0.016 per cent respectively. Therefore, each measurement indicator has a relative error value of less than one per cent so that the designed tool has valid and under the standardized measuring instrument.DOI: 10.17977/um024v6i12021p033
The Impact of Electric Vehicle on Road Transportation in Indonesia: Energy Demand and CO2 Emission Arif Yulianto Widi Kurniawan; Ahmad Agus Setiawan; Arief Budiman
JPSE (Journal of Physical Science and Engineering) Vol 5, No 2 (2020): JPSE (Journal of Physical Science and Engineering)
Publisher : Universitas Negeri Malang

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Abstract

Light Duty Vehicle (LDV) for road transportation in Indonesia is the biggest energy consumption with most of the energy carriers from refined fuel oil with high CO2 emission. Battery Electric Vehicle (BEV) is one of the alternatives to reduce oil consumption and CO2 emission on the road transportation sector. This research is carried to analyse impact on BEV on energy demand and carbon emission. Modified Mobility Model (MoMo) with PUCE methods was developed to projecting road transportation demand in Indonesia. This research shows that road transportation will reach 519 MBoe in 2040 with 83.6% from refined fuel oil. With moderate EV, energy will be reduced by 31 MBoe (6%), and refined fuel oil reduced by 8.5%. With a high EV scenario, energy will be reduced by 57 MBoe (14%) and refined fuel oil reduced by 16%. CO2 emission will be reduced up to 4.8 to 8.8% in 2040.DOI: http://dx.doi.org/10.17977/um024v5i22020p036

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