Article Per Year (5 Year)
p-Index From 2020 - 2025
0.659
P-Index
This Author published in this journals
All Journal SIGMA EPSILON - Majalah Ilmiah Teknologi Keselamatan Nuklir Jurnal Pengembangan Energi Nuklir Jurnal Matematika & Sains SAINTIFIKA Vitamedica: Jurnal Rumpun Kesehatan Umum Konstitusi: Jurnal Hukum, Administrasi Publik, dan Ilmu Komunikasi
Suwoto Suwoto
Pusat Teknologi Reaktor dan Keselamatan Nuklir – BATAN
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics Public Health Social Sciences

Published : 8 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 8 Documents
Search

 1 
Studi Model Heksagonal MCNP5 Dalam Perhitungan Benchmark Fisika Teras HTR-10 Zuhair Zuhair; Suwoto Suwoto; Piping Supriatna
Jurnal Matematika & Sains Vol 17, No 2 (2012)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Desain HTR memunculkan tantangan komputasi khusus yang berkaitan dengan penyelesaian problema fisika teras dan karakteristik termohidrolika. Streaming neutron dan heterogenitas ganda adalah salah satu bentuk tantangan fisika teras sedangkan aliran gas di sela-sela rongga kosong di antara bahan bakar pebble dan moderator pebble dalam teras grafit temperatur tinggi merupakan tantangan lain selain burn-up tinggi. Tujuan makalah ini adalah mendiskusikan penyelesaian problema fisika teras HTR dengan teknik pemodelan heksagonal MCNP5. Hasil perhitungan benchmark kritikalitas pertama memperlihatkan ketinggian teras kritis HTR-10 sebesar 127,1 cm yang diperoleh MCNP5 dengan ENDF/B-VII berada dalam rentang perhitungan Haceteppe University Turki, INET Cina dan MIT USA. Komparasi yang dibuat dengan data eksperimen (ketinggian kritis = 123,06 cm) menunjukkan bahwa MCNP5 merefleksikan model yang cukup baik dan presisi dengan rasio C/E = 1,03283. Hasil perhitungan problema benchmark untuk mengevaluasi koefisien reaktivitas temperatur pada 20 oC, 120 oC dan 250 oC dalam teras penuh memperlihatkan keff yang diprediksi MCNP5 lebih dekat dengan estimasi TRIPOLI4. Tidak tersedianya data eksperimen benchmark koefisien reaktivitas temperatur HTR-10 menyebabkan validasi benchmark experiment to code tidak dapat dilakukan untuk membuktikan model simulasi yang paling baik. Dari analisis dapat disimpulkan bahwa metodologi pemodelan ini, yang mempertimbangkan zona eksklusif untuk mengkompensasi kontribusi pebble-pebble parsial, menjustifikasi aplikasi MCNP5 untuk analisis reaktor pebble bed lainnya. Kata-kunci: Model heksagonal, Benchmark fisika teras, HTR-10, MCNP5, ENDF-B-VII.   MCNP5 Hexagonal Model Studies in Benchmark Calculation HTR-10 Core Physics Abstract Design of HTR raises special computational challenges associated with solving problems in core physics and thermalhydraulics characteristics. Neutron streaming and double heterogenity is one of core physical challenges while the gas flow on the sidelines of an empty cavity between the fuel and moderator pebbles in the high-temperature graphite core is another challenge in addition to high burn-ups. The purpose of this paper is to discuss the solving of HTR core physics problems with MCNP5 hexagonal modeling techniques. The results of the first criticality benchmark calculations show the critical height of the HTR-10 core of 127.1 cm obtained by MCNP5 with ENDF/B-VII is in the calculation range of Haceteppe University Turkey, INET China and MIT USA. Comparison which is made with experimental data (critical height = 123.06 cm) indicates that MCNP5 reflect a fairly good and precision model with the ratio of C/E = 1.03283. The results of the calculation of benchmark problems to evaluate the temperature coefficient of reactivity at 20 oC, 120 oC and 250 oC in full core shows the MCNP5 predicted keff is close to the TRIPOLI4 estimation. The unavailability of HTR-10 temperature reactivity coefficient benchmark experimental data causes validation of benchmark experiment to code can not be done to prove the best simulation model. From the analysis it can be concluded that this modeling methodology, which considers the exclusive zone to compensate the partial pebbles contribution, justify the MCNP5 application for the analysis of other pebble bed reactors. Keywords: Hexagonal model, Core physics benchmark, HTR-10, MCNP5, ENDF-B-VII.
PENGKAJIAN METODA PENGOLAHAN DATA NUKLIR UNTUK PERHITUNGAN NEUTRONIK HTGR Suwoto Suwoto
SIGMA EPSILON - Buletin Ilmiah Teknologi Keselamatan Reaktor Nuklir Vol 19, No 1 (2015): Februari 2015
Publisher : Badan Tenaga Nuklir Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (973.167 KB) | DOI: 10.17146/sigma.2015.19.1.2896

Abstract

Kajian terhadap metoda pengolahan data nuklir yang digunakan dalam perhitungan neutronik teras High Temperature Gas-cooled Reactor (HTGR) perlu dilakukan karena data tampang lintang nuklir yang digunakan dalam perhitungan neutronik memegang peranan penting dalam analisis keselamatan kritikalitas. Metoda pengolahan dalam generasi tampang lintang data nuklir yang biasa digunakan selama ini adalah metode deterministik yang biasa digunakan dalam program deterministik seperti WIMS/D5B dan yang menggunakan metode probabilistik seperti pada program Monte Carlo MCNP5v1.2. Kedua metode tersebut mempunyai keunggulan dan kelemahan masing-masing. Program pengolah data nuklir NJOY, berguna dalam me-nyelesaikan persoalan pengolahan data nuklir dalam format ENDF (Evaluated Nuclear Data File) yang akan digunakan dalam perhitungan fisika neutronik teras reaktor HTGR, baik yang menggunakan tampang lintang multi-kelompok seperti pada program WIMS/D5B dengan memanfaatkan modul WIMSR maupun yang menggunakan tampang lintang energi kontinu pada program MCNP/MCNPX dengan memanfaatkan modul ACER. Data hasil kajian dengan kedua metoda dalam pengolahan dan penyiapan data tampang lintang nuklir digunakan dalam perhitungan neutronik bahan bakar pebble teras HTGR. Hasil perhitungan neutronik bahan bakar pebble HTGR dengan UO2 dengan pengkayaan 10% dan fraksi packing TRISO 10% untuk variasi tem-peratur 900K, 1200K dan 1500K dengan metode probabilistik MCNP5v1.2 menggunakan tampang lintang energi kontinu dari file ENDF/B-VII menghasilkan perbedaan nilai multiplikasi tak hingga (k¥) masing-masing 7,42%, 5,7% dan 4,36% lebih besar dibanding dengan program deterministik WIMS/D5B. Nilai perbedaan tersebut dikarenakan adanya perbedaan pendekatan geometri dan juga pendekatan energi tampang lintang data nuklir yang digunakan. Dengan demikian metode probabilistik dengan MCNP5v1.2 lebih disukai karena dinilai lebih dan teliti dalam perhitungan neutronik teras reaktor HTGR.
STUDI PERFORMA TERAS INISIAL HTR PEBBLE BED DENGAN BAHAN BAKAR PLUTONIUM OKSIDA Zuhair Zuhair; Suwoto Suwoto; Hery Adrial
SIGMA EPSILON - Buletin Ilmiah Teknologi Keselamatan Reaktor Nuklir Vol 21, No 1 (2017): Februari 2017
Publisher : Badan Tenaga Nuklir Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1070.214 KB) | DOI: 10.17146/sigma.2017.21.1.3609

Abstract

STUDI PERFORMA TERAS INISIAL HTR PEBBLE BED DENGAN BAHAN BAKAR PLU-TONIUM OKSIDA. Konsep desain reaktor nuklir Generasi IV yang paling menjanjikan adalah reaktor temperatur tinggi (high temperature reactor, HTR) jenis pebble bed karena karakteristik keselamatan melekat dan temperatur pendinginnya yang tinggi. Desain reaktor pebble bed memiliki puluhan bahkan ratusan ribu bahan bakar pebble dengan moderator grafit dan pendingin helium. Dalam studi ini, teras reaktor memiliki volume 8⅓-33⅓ m3 dan densitas daya 3 MW/m3 yang menghasilkan daya termal 25-100 MW. Beberapa tahap yang dikerjakan dimulai dari pemodelan bahan bakar dan teras reaktor, optimasi teras inisial HTR pebble bed sebagai fungsi rasio tinggi per diameter (H/D) hingga optimasi teras inisial HTR pebble bed sebagai fungsi pemuatan logam berat (heavy metal). Seluruh perhitungan dikerjakan dengan memanfaatkan program transport Monte Carlo MCNPX dan pustaka data nuklir energi kontinu ENDF/B-VII. Hasil analisis menyimpulkan bahwa, rasio H/D yang rendah dan massa Pu/pebble yang tinggi merupakan opsi yang paling ideal dalam teras HTR pebble bed dari sudut pandang ekonomi neutron.Kata kunci: TRISO, kernel, plutonium oksida, teras inisial, HTR pebble bed
ANALISIS SENSITIVITAS KETEBALAN REFLEKTOR GRAFIT TERAS RGTT200K MENGGUNAKAN PERHITUNGAN MONTE CARLO Suwoto Suwoto; Zuhair Zuhair
Jurnal Pengembangan Energi Nuklir Vol 16, No 2 (2014): Desember 2014
Publisher : Pusat Kajian Sistem Energi Nuklir, Badan Tenaga Nuklir Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/jpen.2014.16.2.2498

Abstract

ABSTRAK ANALISIS SENSITIVITAS KETEBALAN REFLEKTOR GRAFIT TERAS RGTT200K MENGGUNAKAN PERHITUNGAN MONTE CARLO. Salah satu parameter desain reaktor pebble-bed yang sangat penting selain radius, pengayaan dan densitas bahan bakar adalah ketebalan reflektor. Reflektor aksial dan radial dalam reaktor temperatur tinggi digunakan untuk meningkatkan ekonomi neutron, namun dimensi reflektor harus diinvestigasi khususnya untuk teras pebble-bed dengan opsi bahan bakar yang berbeda. Makalah ini secara esensial bertujuan mencari tebal efektif reflektor aksial dan radial yang direkomendasikan untuk teras RGTT200K. Analisis ditekankan pada perilaku neutron dalam bahan bakar bola dimana partikel TRISO disusun dengan kisi SC dalam matriks grafit dan perilaku teras yang disusun oleh bahan bakar pebble dalam kisi BCC. Perhitungan teras dengan tiga opsi bahan bakar, yakni UO2, PuO2 dan ThO2/UO2 pada berbagai fraksi packing TRISO dikerjakan dengan program transport Monte Carlo MCNPX dan pustaka data tampang lintang energi neutron kontinu ENDF/B-VI. Hasil perhitungan memperlihatkan perubahan reaktivitas teras RGTT200K karena fraksi packing TRISO tidak secara langsung menyebabkan ketebalan reflektor radial bertambah. Penambahan ketebalan reflektor radial setelah mencapai 100 cm tidak memberikan perubahan yang berarti terhadap reaktivitas teras RGTT200K. Penambahan ketebalan reflektor aksial juga tidak mempunyai dampak yang berarti pada perubahan reaktivitas teras RGTT200K. Dari analisis dapat disimpulkan bahwa, tebal efektif reflektor radial dan aksial bagian atas dan bawah dicapai masing-masing pada ketebalan 100 cm. Kata kunci: RGTT200K, sensisitivitas, reflektor radial, reflektor aksial, MCNPX, ENDF/B-VI. ABSTRACT ANALYSIS ON THICKNESS SENSITIVITY OF GRAPHITE REFLECTOR FOR RGTT200K CORE USING MONTE CARLO CALCULATION. One of very important parameter in design of the pebble bed reactor beside radius, enrichment and density of fuel are reflector thickness. Axial and radial reflectors in high temperature reactor are used to improve the neutron economy, however the reflector dimension has to be investigated especially for pebble bed core with various fuel options. This paper essentially aimed to look for the thickness of radial and axial reflectors to obtain specific design recommended for RGTT200K core. The analysis focused on the neutron behavior in fuel pebble where TRISO particles arranged with SC lattice in the graphite matrix and the core behavior composed by the fuel pebble in the BCC lattice arrangement. The core calculation with three fuel options of UO2, PuO2 and ThO2/UO2 at various TRISO packing fractions were employed using MCNPX Monte Carlo transport code and continuous neutron energy cross-section ENDF/B-VI file. The calculation results show that, the RGTT200K core reactivity change because of TRISO packing fraction is not directly cause the increasing of radial reflector thickness. The adding of radial reflector thickness after achieving 100 cm does not give the effective effect on the RGTT200K core reactivity change. The increasing of axial reflector thickness has no significant impact on RGTT200K core reactivity change. From the analysis, it can be concluded that the effective thickness of radial reflector and top and bottom axial reflectors are achieved at a thickness of 100 cm. Keywords: RGTT200K, sensitivity, radial reflector, axial reflector, MCNPX, ENDF/B-VI.
PENERAPAN SIKLUS BELAJAR UNTUK MENINGKATKAN KETERAMPILAN PROSES BELAJAR IPA SISWA KELAS 9H DI SMPN 10 JEMBER TAHUN 2019/2020 Soesy Sri Wulandari; Suwoto Suwoto
saintifika Vol 23 No 1 (2021)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.455 KB)

Abstract

This study aims to find out the improvement of IPA process skills through the 7E Learning Cycle on dynamic electrical materials in class 9H in SMP Negeri 10 Jember. This research was conducted at SMPN 10 Jember Jember. The instruments used in this study are IPA process skills observation sheet, learning cycle learning model implementation instrument (The 7 E LCM), test set and documentation. The research subjects were 9H class students as many as 32 students. The collected data is described and analyzed and then reduced and checked its validity using the triangulation method. The results of the analysis are obtained from the answers on the observation sheet. Overall, the 7E cycle model can improve IPA process skills in 9H class.
PENERAPAN MODEL PEMBELAJARAN COOPERATIVE PICTURE AND PICTURE UNTUK MENINGKATKAN HASIL BELAJAR IPA MATERI SISTEM REPRODUKSI MANUSIA PADA SISWA KELAS 9H DI SMP NEGERI 10 JEMBER Soesy Sri Wulandari; Suwoto Suwoto
saintifika Vol 21 No 2 (2019)
Publisher : FKIP Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.399 KB)

Abstract

The purpose of this study is to improve the learning outcomes of IPA students in class 9 H in SMP Negeri 10 Jember with picture and picture model). The type of research is Class Action Research (CAR). Class action in this research is done with two cycles. Each cycle implemented improvements to be achieved through the reflection. The results show that the application of cooperative learning model of picture and picture type can improve the learning outcomes of 9H class students. Cycle 1 achievement Minimum Completion Criteria is 41, 67%, while in Cycle 2 is 83%.
The Influence of Leadership Style and Cognitive Attitudes on Patient Safety Culture With Coordination as a Moderation Variable in Inpatient Nurses at Tzu Chi Hospital Suwoto Suwoto; Rina Mutiara; Rita Kemala
VitaMedica : Jurnal Rumpun Kesehatan Umum Vol. 2 No. 4 (2024): Oktober : VitaMedica : Jurnal Rumpun Kesehatan Umum
Publisher : STIKES Columbia Asia Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62027/vitamedica.v2i4.182

Abstract

This research is based on the results of initial observations which indicate that several safety incident problems will occur in the year 2022. The aim of this research is to reveal empirically the influence of leadership style and cognitive attitudes on patient safety culture with coordination as a moderator. This type of research is quantitative with a cross sectional study design. The population used is nurses who work in inpatient installations. The sampling technique is non-probability sampling, with perm = calculation of the number of samples using Slovin's formula with an error rate of 10%, so that a total sample of 64 respondents was found. The data collection technique uses a questionnaire, and the analysis method uses three box method analysis and PLS-SEM with the help of the Smart-PLS program. The results of the analysis prove that leadership style, cognitive attitude and coordination simultaneously and partially influence patient safety culture, and cognitive attitude is the most dominant variable capable of improving patient safety culture. Coordination cannot moderate the influence of leadership style on patient safety culture, but coordination can weaken the influence of cognitive attitudes on patient safety culture.
Relationship between the Village Government and the Village Consultative Body in the Formulation of the APBdes in Sidoraharjo Village, Kedamean District, Gresik Regency Suwoto Suwoto; Ika Devy Pramudiana; Dian Ferriswara; Sri Kamariyah
Konstitusi : Jurnal Hukum, Administrasi Publik, dan Ilmu Komunikasi Vol. 2 No. 2 (2025): Konstitusi : Jurnal Hukum, Administrasi Publik, dan Ilmu Komunikasi
Publisher : Asosiasi Peneliti dan Pengajar Ilmu Hukum Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62383/konstitusi.v2i2.493

Abstract

This study aims to describe and analyze: the relationship between the village government and the village consultative body (BPD) in the formulation of the APBDes and the obstacles faced by the village government and the village consultative body in the formulation of the APBDes in the village. The data analysis technique in the study uses a technique developed by McNabb (2002), namely Grouping the data according to key constructs, identifying bases for interpretation, developing generalizations from the data, Testing Alternative interpretations and Forming and/or refining generalizable theory from case study. The results of the study showed. The relationship between the Village Government and BPD in the formulation of the Village Revenue and Expenditure Budget in Sidoraharjo Village, Kedamean District, Gresik Regency is a partnership. Each institution carries out its roles and functions in accordance with Gresik Regent Regulation Number 25 of 2024, Law Number 22 of 1999 and Law Number 23 of 2014. This relationship between the implementation of the legislative function of formulating the village budget and expenditure by the BPD and the Sidoraharjo Village Government has been carried out and in accordance with the Laws and Regulations and the correct stages. The authority of the BPD and the Village Government is to discuss the draft budget and village expenditure in accordance with the stages of the stages, namely the initiation stage, the socio-political stage, and the juridical stage. The implementation of coordination in the formulation of the village budget and expenditure by the BPD and the Sidoraharjo Village Government has been carried out and in accordance with the Laws and Regulations and the correct stages. The Village Government and BPD have carried out their respective wars through the preparation stage, making budget plans and ratification carried out together. The Village Consultative Body (BPD) has carried out its supervisory function by supervising all actions taken by the Village Executive on the implementation of the village budget and expenditure Obstacles faced by the Village Government and BPD in the process of formulating the village revenue and expenditure budget include: Internal obstacles are human resources (human resources) that are not qualified in the economic field External obstacles are the lack of technical guidance from the Regional Government, especially in the field of legislation.
Co-Authors Ferriswara, Dian Hery Adrial Ika Devy Pramudiana Piping Supriatna Rina Mutiara Rita Kemala Soesy Sri Wulandari Soesy Sri Wulandari Sri Kamariyah Zuhair Zuhair