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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal Teknologi Reaktor Nuklir Tri Dasa Mega JTT (Jurnal Teknologi Terapan)
Dinan Andiwijayakusuma
Pusat Pengembangan Informatika Nuklir Badan Tenaga Nuklir Nasional PUSPIPTEK
Astronomy Computer Science & IT Earth & Planetary Sciences Education Energy Materials Science & Nanotechnology Physics

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Pengaturan Lampu Lalu Lintas dengan Simulasi Monte Carlo Studi Kasus : Perempatan Daerah Dago � Bandung Iryanto, Iryanto; Andiwijayakusuma, Dinan
Jurnal Teknologi Terapan Vol 2, No 2 (2016): Jurnal Teknologi Terapan
Publisher : P3M Politeknik Negeri Indramayu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31884/jtt.v2i2.15

Abstract

One of the areas that often become a source of traffic jam is road intersection. So it will be crucial to manage the intersection. Every intersection in main road is common to have traffic light and every cycle of the lamp, red, green and orange, will influence the traffic. The traffic cycle will have significant role to decrease or increase effects of the problem. Inappropriate regulation for the intersection can cause traffic jam or a heavy traffic jam in the road. Sometimes every intersection needs different rule based on the traffic condition. Therefore is truly needed to manage the traffic light in every intersection. With the simulation we can know whether the rule for the traffic light has appropriated to the intersection's traffic condition. If the rule is not optimal yet, we can change the rule with the optimal one. In the research, two methods are used, using coupling parameter and without coupling parameter. Average of vehicle Arrival in each intersection is used as coupling parameter. As its result, using coupling parameter is better than without using coupling parameter.
SIMULASI MCNP5 DALAM EKSPERIMEN KRITIKALITAS LARUTAN PLUTONIUM–URANIUM NITRAT DENGAN REFLEKTOR AIR DAN POLYETHYLENE Andiwijayakusuma, Dinan; Setiadipura, Topan; Zuhair, Z
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol 1, No 2 (2011)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v1n2.p1-7

Abstract

Banyak perangkat kritik dibangun untuk memenuhi kebutuhan studi fenomena kecelakaan kritikalitas pada larutan fisil di fasilitas daur bahan bakar nuklir. Salah satu diantaranya adalah perangkat kritik SCAMP. Di perangkat ini dikerjakan eksperimen kritikalitas menggunakan bejana silindris stainless steel berisi larutan plutonium- uranium nitrat (Pu+U nitrat). Sebanyak 7 eksperimen didemonstrasikan dengan reflektor air di semua sisi permukaan bejana larutan kecuali di bagian atas bejana. Makalah ini membahas simulasi transport Monte Carlo MCNP5 dalam eksperimen kritikalitas larutan Pu+U nitrat dengan reflektor air dan polyethylene. Simulasi MCNP5 dengan pustaka ENDF/B-VI memberikan hasil yang paling dekat dengan data eksperimen terutama pada kasus A untuk varian geometri 4. Dibandingkan pustaka ENDF/B-V, perhitungan kritikalitas dengan pustaka ENDF/B-VI memberikan hasil lebih dekat dengan perhitungan MONK dimana bias perhitungannya < 0,44%, khususnya pada kasus A namun pada kasus B dan C simulasi MCNP5 dengan pustaka ENDF/B-V memberikan hasil dengan kecenderungan lebih baik dibandingkan pustaka ENDF/B-VI dengan bias perhitungan < 2,67% dan < 1,13%. Secara keseluruhan dapat disimpulkan bahwa MCNP5 telah menunjukkan reliabilitasnya dalam simulasi kritikalitas larutan Pu+U nitrat.
Insider Intervention Model in the Sabotage Attack Scenario of a Nuclear Reactor Facility Andiwijayakusuma, Dinan; Asmoro, Teguh; Mardhi, Alim; Setiadipura, Topan
JURNAL TEKNOLOGI REAKTOR NUKLIR TRI DASA MEGA Vol 26, No 1 (2024): February 2024
Publisher : Pusat Teknologi Dan Keselamatan Reaktor Nuklir (PTKRN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/tdm.2024.7008

Abstract

The Physical Protection System (PPS) at nuclear facilities aims to prevent intrusions into nuclear facilities that cause sabotage attacks or illegal theft of nuclear material. The outsider, the insider or a collaboration of both can carry out this intrusive action. In this study, we modelled the insider collaborating with the outsider to carry out nuclear facility attacks using sabotage attack scenarios. The modelling takes the form of insider intervention on two parameters protection elements:the time delay () and the probability of detection (). Insider intervention in delay protection elements might have fatal consequences and drastically reduce the effectiveness of PPS performance. Therefore, PPS designers need to pay more attention to the delay element to anticipate the negative impact of insider intervention on the effectiveness of the PPS.
Co-Authors Alim Mardhi, Alim Asmoro, Teguh Iryanto Iryanto Topan Setiadipura, Topan Zuhair, Z