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All Journal Jurnal Fisika Unand JOURNAL ONLINE OF PHYSICS Jurnal Fisika FLUX Jurnal Pengabdian UntukMu NegeRI Riau Journal of Empowerment
Menik Ariani
Program Studi Magister Fisika FMIPA Universitas Sriwijaya
Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics Social Sciences

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Desain Konseptual Reaktor Cepat Berpendingin Karbondioksida dan Berbahan Bakar Uranium Alam Dengan Daya 2400 MW Enda Susanty; Menik Ariani; Idha Royani; Zaki Su'ud; Fiber Monado
Jurnal Fisika FLUX Vol 17, No 2 (2020): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1145.824 KB) | DOI: 10.20527/flux.v1i1.7184

Abstract

This paper presents the design concept of a carbon dioxide-cooled fast reactor.  This reactor utilize U-10%Zr as fuel and SS316 as cladding.  The strategy of modified CANDLE (Constant Axial shape of Neutron flux, nuclide densities and power shape During Life of Energy production) was applied for burnup in the core with power 2400 MW. The reactor core calculations were performed with a cylindrical geometry that is varied on the height and diameter of the core using a set of CITATION and PIJ modules on the SRAC (Standard Reactor Analysis Code) program. The ideal core size was obtained with a high of 350 cm, and a diameter of 240 cm with the resulting survey parameter are effective multiplication factor(keff), excess reactivity, radial and axial power distribution, and power peaking. The reactor core reaches a critical condition with keff 1.05 and excess reactivity 5.3% and radial power peaking 1.73. Optimization was done with power flattening, that is by dividing the core into two parts with a fuel fraction of 60% for the inner part with thick of 80 cm and fuel fraction of 65% for the outer part with thick of 40 cm, the results are 1.013, 1.3% and 1.5 for keff, excess reactivity, and radial power peaking, respectively.
ANALISIS NEUTRONIK KEKRITISAN TERAS REAKTOR NUSCALE BERBAHAN BAKAR DENGAN MENGGUNAKAN SOFTWARE OPENMC Canti Dwi Putri; Fiber Monado; Menik Ariani
JOURNAL ONLINE OF PHYSICS Vol. 8 No. 1 (2022): JOP (Journal Online of Physics) Vol 8 No 1
Publisher : Prodi Fisika FST UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jop.v8i1.20812

Abstract

[Title: Neutronic Analysis of the criticality level of the nuscale reactor core with fuel using the openMC software] This study analyzed the design of the NuScale reactor, which aims to determine the level of criticality by modeling the shape of the cell pin, assembly, and core with nuclear fuel in the form of uranium dioxide, which will be varied by changing the percentage of uranium-235 content as much as 0% to 7% by using monte carlo methods in OpenMC program code. This study was conducted to obtain the design of nuclear reactors as well as the calculation of the effective multiplication factor, fission reaction rate, and neutron flux distribution for two years of the combustion process (Burn-up). The result of the calculation for the effective multiplication factor and reaction rate states that the greater the percentage of enrichment in uranium-235, the greater the value of the resulting in both parameters. While the distribution of neutron flux produces the most significant value in the middle region or center of the fuel and is seen from the average value produced, and the smallest value is at the edge of the cell. The analysis of this NuScale reactor can later be used as a reference in preparing a safe and efficient reactor core.
Efek Penambahan Plutonium pada Sel Bahan Bakar MOX terhadap Performa Reaktor GFR 250MWth Muhammad Aldi Kurniawan; Menik Ariani; Monado, Fiber; Johan, Akmal; Kaban, Hadir
Jurnal Fisika Unand Vol 14 No 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.2.152-159.2025

Abstract

A fast-type reactor that operates on high-speed neutrons, GFR (Gas-cooled Fast Reactor) can produce various fissile materials and fertilizers. This production capability is very beneficial for the stability of nuclear fuel in the reactor core, especially reactors that use closed cycles such as GFR. Plutonium (Pu) from the residue from burning reactors such as PWR or LWR can be used as a mixed fuel to increase fissile nuclides in MOX fuel. MOX (Mixed Oxide) is a mixture of uranium (U) and plutonium (Pu) in certain amounts. The composition of plutonium (Pu) in MOX greatly influences the level of fuel combustion in the core at the start of operation. The research aims to vary the percentage of plutonium (Pu) to enable design adjustments to maximize fuel use efficiency. Simulations were conducted computationally to determine the performance of each percentage of Pu used in MOX. Depletion calculations were carried out for 10 years using the OpenMC code and ENDF/B VIII.0 nuclear data. The research results show that the best design performance is at a Pu percentage of 11% which is determined based on the range of effective multiplication factor (keff ) values and excess reactivity and is in line with expectations.
Pemasangan Lampu Penerangan Jalan Utama Ponpes Darussalam Al-Fatah, Desa Binaan Tanjung Pering, berbasis PLTS Mini Assaidah, Assaidah; Menik Ariani; Erry Koriyanti; Khairul Saleh; Jorena; Yulinar Adnan
Jurnal Pengabdian UntukMu NegeRI Vol. 9 No. 1 (2025): Pengabdian Untuk Mu negeRI
Publisher : LPPM UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jpumri.v9i1.9100

Abstract

Lampu penerangan jalan umum (PJU) adalah hal yang sangat penting bagi masyarakat terutama yang beraktifitas pada malam hari. Hal ini krusial untuk menjaga keselamatan, keamanan dan kenyamanan warga yang melintas di sebuah jalan. Oleh karena itu, telah dilakukan kegiatan pengabdian pada masyarakat (PPM) tahun 2024 lalu berupa pemanfaatan pembangkit listrik tenaga surya (PLTS) untuk penerangan di sepanjang jalan masuk ke Ponpes Darussalam Al-Fatah, Desa Binaan Tanjung Pering, Indralaya, Ogan Ilir. Listrik yang dihasilkan oleh panel sel surya beserta sistem pendukungnya dapat menggantikan kebutuhan listrik konvensional yang selama ini diambil dari jaringan listrik PLN sehingga biaya operasional Ponpes menjadi lebih murah dan membebaskan ketergantungan terhadap sarana yang seharusnya disediakan pemerintah daerah. Lampu PJU tersebut dipasang pada 11 tiang listrik di sepanjang jalan 300m sehingga membantu warga pondok dan masyarakat yang berkebun di sekitar lokasi dalam beraktifitas di malam hari.
Implementasi Smart Irrigation System berbasis Komunikasi ESP-NOW dan Alternate Wetting and Drying (AWD) di Sawah Area Sumatera Selatan Ayu Kirani Azzahra; Junita Insyirah Nur Huwaida; Menik Ariani; Assaidah Adnan
Jurnal Fisika Unand Vol 14 No 6 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.14.6.606-613.2025

Abstract

A Smart Irrigation System has been designed and implemented utilizing the Alternate Wetting and Drying (AWD) method and ultrasonic sensors to assist farmers in monitoring and maintaining the water level in rice fields to ensure it is at the level required by rice plants. This system sends a WhatsApp notification if the water level exceeds 15 cm above ground level. The ultrasonic sensor calibration results show an R2 value of 1.0, indicating that the sensor has met the linearity standard. Laboratory testing was conducted by varying three water conditions: below ground level 15 cm; exactly 15 cm above ground level; or more than 15 cm from ground level. Communication between the sender and receiver uses the ESP-NOW protocol. The results show that the sender successfully instructs the solenoid valve to open the tap when the water level is below 15 cm so that water can flow and close it again when the water level reaches 15 cm. There is a 7-second delay when the solenoid opens due to the Normally Closed (NC) type which requires high voltage and current. When the water level exceeds 15 cm above ground level, the system successfully sends a notification to the farmer (user) to drain the water from the field. Field tests in rice fields showed that the water level measurement of 25 cm was in accordance with the reference measuring instrument and successfully provided an accurate warning for farmers to turn on the pump so that the water level returned to the ideal status.
Sistem Pendeteksi Hama Wereng pada Tanaman Padi Menggunakan Sensor ADXL335 Berbasis Gelombang Radio dan Light Trap Junita Insyirah N. H.; Ayu Kirani Azzahra; Menik Ariani; Erry Koriyanti; Ari Hayati; Khairul Saleh; Assaidah Adnan
Jurnal Fisika Unand Vol 15 No 1 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.15.1.16-23.2026

Abstract

One of the strategies issues that determines the success of a rice crop is how to eradicate pests without using chemicals. Conventional pest control generally uses pesticides that can cause pest resistance, increase production costs, and risk environmental pollution. This study proposes an early detection system for planthopper pests based on the ADXL335 accelerometer sensor to detect vibrations or abnormal movements in rice stalks. Vibration data detected by the ADXL335 is processed together with wind speed data from the Anemometer Sensor to distinguish between vibrations caused by pests and vibrations from wind gusts. If a pest anomaly is detected, the system will automatically activate a Light Trap to physically capture the pests. Furthermore, real-time notifications are also sent to farmers via radio waves via the Telegram short message service. This system is expected to reduce dependence on pesticides, save costs, and support the government's agenda of modernizing agriculture to maintain national food security.
Sosialisasi Aplikasi Pupuk Nanomagnetik Pasir Besi Pada Tanaman Jagung di Desa Pulau Semambu Ogan Ilir Sumatera Selatan Sebagai Integrasi Penelitian dan Perkuliahan Fitri Suryani Arsyad; Dedi Setiabudidaya; Menik Ariani; Idha Royani; Amiruddin Supu; Risfidian Mohadi; Aldes Lesbani; Rakhmawati Farma; Balada Soerya; Siti Nur’aini; Beta Riana Liasari
Riau Journal of Empowerment Vol 7 No 2 (2024)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/raje.7.2.156-167

Abstract

Socialization activities have been carried out regarding the application of iron sand nanomagnetic fertilizer (Fe3O4) on corn plants to the villagers of Pulau Semambu Ogan Ilir, South Sumatra. This community service activity is part of the integration of the research results that have been carried out. From the results of the study, it was found that at the same growing age, corn added with nano-magnetic iron sand, both simaxx + nanomagnetic iron sand and silica + nanomagnetic iron sand, had a faster growth of about 100 cm compared to corn that was only given simaxx fertilizer. which is about 45-50 cm. Research results and observational data were then collected and analyzed to evaluate the effectiveness of using Fe3O4 nanomagnetic fertilizer on corn plants. Apart from being disseminated to corn farmers, research results are also used as teaching material to be conveyed to students in material physics courses. Integrating research results with community service activities and material physics lectures has increased the practical use of research results and provided wider benefits for society and students.
Co-Authors Akmal Johan Aldes Lesbani Amiruddin Supu Ari Hayati Assaidah Adnan Assaidah Adnan Assaidah, Assaidah Ayu Kirani Azzahra Ayu Kirani Azzahra Balada Soerya Beta Riana Liasari Canti Dwi Putri Dedi Setiabudidaya Enda Susanty Erry Koriyanti Erry Koriyanti Fiber Monado Fitri Suryani Arsyad Hadir Kaban, Hadir Idha Royani Jorena Junita Insyirah N. H. Junita Insyirah Nur Huwaida Khairul Saleh Khairul Saleh Muhammad Aldi Kurniawan Rakhmawati Farma Risfidian Mohadi Siti Nur’aini Yulinar Adnan Zaki Su'ud