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All Journal Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Indonesian Physical Review Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Seminar Nasional Teknologi Informasi Komunikasi dan Administrasi [SEMINASTIKA] TRIDARMA: Pengabdian Kepada Masyarakat (PkM) Jurnal Teknik Mesin dan Pembelajaran Nusantara Science and Technology Proceedings Best : Journal of Applied Electrical, Science and Technology Jurnal Pengabdian Masyarakat dan Riset Pendidikan Faraday: Journal of Fundamental Physics, Research, and Applied Science
Aruan, Nenni Mona
Physics Study Program, Faculty Of Engineering And Science, Pembangunan Nasional “Veteran” Jawa Timur University, Surabaya 60294, Indonesia
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Review: Synthesis of rGO in Its Use as Thin Films with Various Polymer Matrices Rahma Alya Hidayah; Nenni Mona Aruan; Nur Aini Fauziyah; Reffany Choiru Rizkiarna; Alfriana Margareta
Faraday: Journal of Fundamental Physics, Research, and Applied Science Vol. 2 No. 1 (2026): Faraday: Journal of Fundamental Physics, Research, and Applied Science
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/faraday.v2i1.61

Abstract

Reduced graphene oxide (rGO) is a two-dimensional carbon material that has been widely developed as a functional filler in polymer-based thin films due to its high surface area, good electrical conductivity, and adequate interface compatibility. This article presents a literature review on the synthesis of rGO and its use as thin films with various polymer matrices, namely polyaniline (PANi), poly(vinylidene fluoride) (PVDF), poly(vinylidene fluoride–trifluoroethylene) [P(VDF-TrFE)], and chitosan. The review was conducted on open access scientific articles discussing rGO synthesis methods, thin film fabrication techniques, and structural, morphological, thermal, and electrical characterization of composite materials. The results of the study show that rGO can improve the functional performance of polymer thin films through the formation of conductive networks, strengthening of interface interactions, and crystal nucleation effects. In the PANi matrix, rGO increases electrical conductivity and stability, while in PVDF and P(VDF-TrFE), rGO promotes the formation of electroactive crystalline phases that enhance piezoelectric properties. Meanwhile, in chitosan, strong interfacial interactions improve electrochemical response and the potential for environmentally friendly sensor applications.
ANALISIS TRANSISI FASE MODEL ISING DUA DIMENSI PADA KISI TERATUR DAN TAK TERATUR MENGGUNAKAN METODE MONTE CARLO Fina Nidha Fidha; Nailul Hasan; Nenni Mona Aruan
Jurnal Teknik Mesin dan Pembelajaran Vol 9, No 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v9i1p158-164

Abstract

Model Ising dua dimensi merupakan salah satu model yang banyak digunakan untuk mempelajari fenomena transisi fase pada sistem magnetik. Penelitian ini bertujuan membandingkan karakteristik sistem Ising pada kisi teratur dan kisi tak teratur menggunakan metode Monte Carlo berbasis algoritma Metropolis. Simulasi dilakukan pada ukuran kisi 20 × 20, 40 × 40, dan 60 × 60 dengan 10.000 langkah Monte Carlo serta rentang temperatur 1,5–3,5. Parameter yang diamati meliputi magnetisasi, energi rata-rata per spin, dan kapasitas kalor. Hasil simulasi memperlihatkan bahwa magnetisasi menurun seiring meningkatnya temperatur, sedangkan energi berubah secara bertahap menuju keadaan yang lebih tidak teratur. Kapasitas kalor mencapai nilai maksimum pada rentang temperatur sekitar 2,2–2,3 yang mengindikasikan terjadinya transisi fase dari feromagnetik ke paramagnetik. Dibandingkan dengan kisi teratur, kisi tak teratur menghasilkan fluktuasi yang lebih besar, tetapi pola perubahan ketiga parameter tetap menunjukkan kecenderungan yang sama. Hasil yang diperoleh juga berada dekat dengan temperatur kritis teoritis model Ising dua dimensi, sehingga metode Monte Carlo berbasis algoritma Metropolis dapat digunakan untuk menggambarkan karakteristik transisi fase pada kedua struktur kisi.
Desain dan Implementasi Sistem Deteksi Kecelakaan Berbasis Helm Menggunakan Sensor Gaya G Adiatma Maulana Wardhana; Akbar Sujiwa; Nenni Mona Aruan
Jurnal Teknik Mesin dan Pembelajaran Vol 9, No 1 (2026)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um054v9i1p165-172

Abstract

This study presents the design and development of a smart helmet system for detecting impact levels and monitoring accident locations in real time. The system utilizes an MPU6050 sensor to measure three-axis acceleration, which is processed using the Signal Vector Magnitude (SVM) method to determine G-Force values. Based on the calculated G-Force, impacts are classified into light, moderate, and severe categories. Experimental results show that the proposed system successfully classified impacts with average G-Force values of 1.08 g, 3.26 g, and 3.92 g for light, moderate, and severe impacts, respectively. Furthermore, GPS evaluation conducted at five outdoor locations produced an average positioning error of 2.31 m, demonstrating reliable real-time location tracking for accident monitoring applications. Keywords: Smart Helmet, Impact Detection, MPU6050, ESP32, G-Force, Signal Vector Magnitude (SVM), GPS Neo-6M, Real-Time Monitoring, Accident Detection
Evaluation of Temperature and Surface Humidity Variability of the Troposphere Using Radiosonde Observations Awalia 'Ulyan Najah; Nenni Mona Aruan; Siswanto Siswanto
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 12, No 1 (2026): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v12i1.30225

Abstract

This study aims to evaluate the variability of surface atmospheric temperature and humidity and the implications for atmospheric stability based on observation data at the Juanda-Sidoarjo Class 1 Meteorological Station in February 2026. The method used is a quantitative approach with descriptive and evaluative analysis of temperature and humidity data at two observation times. So the results show that the temperature during the day has a greater variation of around 24.6°C to 30.0°C while the relative humidity is around 67% to 97%. Likewise, at night it has a larger variation, around 24.3°C to 26.3°C, while the relative humidity is higher, around 81% to 96%. This analysis shows an inverse relationship between temperature and humidity, where temperature increase is followed by a decrease in relative humidity. The atmospheric dynamics side of daytime conditions produces labile atmospheric conditions due to intense surface heating, while for nighttime it shows stable atmospheric conditions due to surface cooling. So that temperature and humidity variability play an important role in controlling atmospheric stability and weather dynamics in tropical regions.
DESIGN AND FIELD VALIDATION OF A PHOTOVOLTAIC-POWERED WATER FLOW MONITORING SYSTEM FOR PUBLIC UTILITIES Nenni Mona Aruan; Primasari Cahya Wardhani; Nurvita Cundaningsih; Autia Nurul Pujianti; Imelda Putri Alyah Rahmadani
Indonesian Physical Review Vol. 9 No. 2 (2026)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v9i2.562

Abstract

The integration of renewable energy sources with sensor-based instrumentation offers a transformative approach to sustainable infrastructure, especially in water utility management. This study presents the development of a solar-powered autonomous water flow monitoring system deployed at the Lamongan municipal drinking-water utility (Perusahaan Daerah Air Minum; PDAM) in Indonesia. The system employs a 250 Wp photovoltaic (PV) module, coupled with an 18 V battery unit and a 10 A solar charge controller, enabling fully off-grid operation. A DC–DC buck converter maintains stable 50 V ± 2% regulation, supplying power to a calibrated flow sensor and a digital data acquisition unit, with an average power consumption of 0.5 W. Together, these components form a compact, self-sustaining instrumentation platform for real-time, continuous water flow monitoring. From the perspective of physics and instrumentation engineering, this research addresses the photovoltaic energy conversion process, electrical stability in DC power distribution, and flow signal conditioning under fluctuating solar irradiance. The flow sensor interface achieves an average accuracy of ±2% (2.08% with a coefficient of determination of 0.9984) over 1 to 20 Ls-1, supported by volumetric measurements. Long-term field operations over three months confirm stable system performance, with continuous data acquisition and negligible measurement drift, even under partial shading and low irradiance conditions. Power system monitoring indicates reliable energy autonomy with minimal interruption to sensor operation. The results demonstrate that the proposed system achieves accurate, stable, and energy-efficient real-time flow measurement without reliance on grid power. This study provides a validated instrumentation framework for renewable energy-powered sensing systems, enabling scalable deployment in smart water networks and other resource-monitoring applications.
Edukasi Dan Pendampingan Perencanaan PLTS Sederhana untuk Kebutuhan Energi Rumah Tangga Masyarakat Desa Cabean: Pengabdian Yofinda Eka Setiawan; Akbar Sujiwa; Nenni Mona Aruan; Arum Sinda Santika; Fajar Timur; Aslam Chintami P. Siregar; Dira Ernawati; Bellyske Ning Bayzura
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 5 No. 1 (2026): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 5 Nomor 1 (Juli 2026 -
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v5i1.7863

Abstract

Desa Cabean menjadi lokasi kegiatan pengabdian yang diarahkan pada penguatan literasi energi dan pemahaman praktis mengenai Pembangkit Listrik Tenaga Surya (PLTS) untuk kebutuhan rumah tangga. Pemanfaatan PLTS tidak cukup dipahami sebagai pemasangan panel surya, tetapi perlu diawali dengan kemampuan mengenali beban listrik, membedakan daya dan energi, serta memperkirakan kebutuhan sistem secara proporsional. Kegiatan dilaksanakan melalui tahap persiapan, penyuluhan interaktif, demonstrasi komponen PLTS skala kecil, simulasi identifikasi beban rumah tangga, dan diskusi mengenai manfaat, keterbatasan, biaya, perawatan, serta keselamatan. Materi menghubungkan peralatan rumah tangga, daya listrik, lama penggunaan, konsumsi energi harian, dan estimasi awal kapasitas modul fotovoltaik. Hasil pelaksanaan menunjukkan bahwa pendekatan berbasis kebutuhan beban membuat pembahasan PLTS lebih kontekstual karena peserta dapat mengaitkan fungsi panel, solar charge controller, baterai, dan inverter dengan kebutuhan listrik sehari-hari. Diskusi peserta terutama berkembang pada aspek kelayakan kapasitas, biaya awal, dan pemeliharaan sistem. Simulasi perhitungan dalam artikel digunakan sebagai media pembelajaran dan bukan sebagai data konsumsi aktual peserta. Kegiatan ini menunjukkan pentingnya menempatkan literasi energi rumah tangga sebagai dasar sebelum masyarakat mempertimbangkan adopsi PLTS. Evaluasi kuantitatif lebih lanjut diperlukan untuk mengukur perubahan kompetensi secara terstandar.
Co-Authors Adiatma Maulana Wardhana Akbar Sujiwa Akbar Sujiwa Akbar Sujiwa Akbar, Musafa Alek Sander Simbolon Alfriana Margareta Aminallah, Deliana Nurfauziyyah Aritonang, Henri Julius Caesar Arum Sinda Santika Arum Sinda Santika Aslam Chitami Priawan Siregar Autia Nurul Pujianti Awalia 'Ulyan Najah Bellyske Ning Bayzura Dira Ernawati Doni Albert Hasiholan Panggabean Fajar Timur Fajar Timur Fauzyah, Nur Aini Fina Nidha Fidha Firman Maranatha Sihombing Hasan, Nailul Ima Putriana Imelda Putri Alyah Rahmadani Immanuel Siburian Inggacevani, Renata Ramadhani Isabella, Adinda Nailul Hasan Nailul Hasan Nandini, Atika Nia Dwi Puspitasari Nina Ismaya Pangaribuan Nur Aini Fauziyah Nurvita Cundaningsih Primasari Cahya Wardhani Primasari Cahya Wardhani Rahma Alya Hidayah Reffany Choiru Riskiarna Reffany Choiru Rizkiarna Reffany Choiru Rizkiarna Sakinah Sakinah Sinaga, Geraldo Siswanto Siswanto Sunarti, AR Yelvia Yofinda Eka Setiawan Zakiyah Dania Billah