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All Journal Jurnal Pangan dan Agroindustri Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi JURNAL ILMIAH EDUKATIF Alinea: Jurnal Bahasa, Sastra, dan Pengajaran Piston: Jurnal Teknologi Aptana: Jurnal Ilmu dan Humaniora JUVOTEK JURNAL: Jurnal Vokasi Teknik Language, Technology, and Social Media ATDS Saintech Journal of Engineering International Journal of Teaching and Learning (INJOTEL) International Journal of Social and Education (INJOSEDU)
Agustin Nurya Savitri
Politeknik Teknologi Kimia Industri
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Social Sciences Other

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Pengujian Mekanik (Kekerasan dan Impact) Logam Ferro Valve Plat Double Dampers yang Digunakan Sebagai Penyaring Abu Boiler Herry Darmadi; Arie Erza Erlangga Zebua; Nurul Shadrina Bintang; Agustin Nurya Savitri; Sorta Lumbantoruan
Piston: Jurnal Teknologi Vol 11 No 1 (2026): Juni 2026
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v11i1.134

Abstract

Double damper also known as a double flap damper, is a special control device used in the ash transfer system of a boiler before it enters the multi-cyclone. Mechanical testing (hardness and impact) is the most effective test for obtaining an overview of the mechanical properties of a material. Although hardness testing is only performed at a single point, or a specific area, the hardness value is quite valid in indicating the strength of a material. By conducting a hardness test, a material is easily classified as ductile or brittle. Impact testing is a test that uses rapid loading. In mechanical testing, there are differences in the type of load given to the material. Tensile testing, compression testing, and torsion testing are tests that use static loads. Meanwhile, impact testing uses dynamic loads. In rapid loading, also known as impact loading, a large energy absorption process occurs from the kinetic energy of a load that impacts the specimen. This energy absorption process will be converted into various responses in the material such as plastic deformation, isterisis effects, friction, and inertia effects. The purpose of this study is to determine the hardness value of the Double Dampers Valve Plate and to determine the strength of the Double Dampers Valve Plate through the impact test method. The test results obtained the hardness value of test material 1 (0°C) = 111.3 HRC, test material 2 (25°C) = 108.033 HRC, and test material 3 (100°C) = 103.9 HRC. In the impact test, the results of the impact strength analysis of test material 1 (0oC) = 0.215 Kg.m/mm2, test material 2 (25°C) =0.235 Kg.m/mm2, and test material 3 (100°C)= 0.255 Kg.m/mm2.
An Evaluation of English Language Learning Based on Outcome-Based Education (OBE) in Higher Education Agustin Nurya Savitri; Darry Christine Silowaty Purba
Alinea: Jurnal Bahasa, Sastra dan Pengajaran Vol. 6 No. 2 (2026): Alinea: Jurnal Bahasa, Sastra, dan Pengajaran
Publisher : Bale Literasi: Lembaga Riset, Pelatihan & Edukasi, Sosial, Publikasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58218/alinea.v6i2.3094

Abstract

The implementation of Outcome-Based Education (OBE) in Indonesian higher education has reshaped English language learning, yet systematic evaluation of its effectiveness remains limited. This research addresses the urgent need to evaluate whether OBE-based English instruction achieves intended learning outcomes, given persistent gaps between curriculum design and classroom practice. The objective of this study is to evaluate OBE-based English language learning in higher education, specifically examining outcome achievement, curriculum-practice alignment, implementation challenges, and stakeholder perception consistency. A qualitative evaluative approach was employed, involving semi-structured interviews with six English instructors, focus group discussions with fifteen students across proficiency levels, classroom observations of twenty sessions, and document analysis of course syllabi and OBE policy documents. Thematic analysis revealed four main findings: OBE learning outcomes are partially achieved, with writing outcomes significantly lower than speaking and listening; substantial misalignment exists between OBE curriculum documents and practice, with teacher-centered instruction dominating 70% of observed sessions; multidimensional challenges including resource limitations, pedagogical difficulties, and cultural factors constrain implementation; and instructors systematically overestimate student outcome attainment compared to student self-assessments. The study concludes that OBE-based English learning requires targeted writing interventions, instructor professional development in authentic assessment design, technology infrastructure investment, multi-stakeholder evaluation mechanisms, and cultural adaptation strategies. Further longitudinal and comparative studies across institutions are recommended.
Tafsir Pancasila: Memaknai Pancasila Menurut Notanogoro Agustin Nurya Savitri; Toba Sastrawan Manik; Dejoi Irfian Situngkir
Aptana: Jurnal Ilmu & humaniora Vol 1 No 2 (2023): Jurnal Aptana: Jurnal Ilmu dan Humaniora
Publisher : CV MEDAN TEKNO SOLUSI

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

Abstract

Indonesia secara tegas menyatakan bahwa Pancasila merupakan ideologi dan dasar negara. Hal mengandung konseksuensi logis dan etis bahwa semua permasalahan hendaknya ditafsirkan dan diputuskan sesuai dengan nilai, norma, dan kaidah Pancasila termasuk LGBT.Penelitian ini bertujuan untuk mengkaji cara pemaknaan Pancasila menurut beberapa tokoh khususnya Notanogoro dan dikaitkan dengan Fenomena LGBT. Kajian ini menemukan bahwa perbedaan sudut pandang LGBT di Indonesia lebih disebabkan perbedaan penafsiran atas sila Pancasila. Penelitian ini menggunakan pendekatan kualitatif dengan metode pengumpulan data kajian literatur (library research) dengan menggunakan sumber buku, jurnal, dan sumber lainnya yang relevan. Data diolah melalui empat tahapan yakni pengumpulan data, reduksi data, penyajian dan penarikan kesimpulan Model Habermas dan Miles. Penelitian ini menemukan bahwa Pancasila menurut Notanogoro idealnya ditafsirkan secara hirarki-piramidal. Hal ini juga senada dengan pendapat Kaelan. Penelitian masih sangat terbatas baik dari segi kedalaman kajian dan sumber referensi. Oleh karena itu sangat diperlukan riset dengan pendekatan berbeda dan kajian yang lebih mendalam
ANALISA PENGUJIAN MEKANIK TERHADAP VARIASI PENGGUNAAN BENTONITE DALAM PENGECORAN PINTU RUANG BAKAR: STUDI EKSPERIMEN DI PT. XYZ Herry Darmadi; Muhammad Fatih Abdillah; Agustin Nurya Savitri; Karti Karti; Dian Kurnia; Murhaban Murhaban
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 11, No 2 (2025): Oktober
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v11i2.13836

Abstract

The Combustion chamber door is a component of the boiler that functions to open and close the combustion chamber. At PT. XYZ, the combustion chamber door is made through the melting and metal casting method. In the metal casting method using a sand mold, an auxiliary substance in the form of bentonite is needed which functions to glue the sand mold and strengthen the mold so that it is not easily destroyed when receiving heat from the molten metal lava. The bentonite variations used in this study are 8%, 10%, and 12%. Mechanical testing (impact and hardness) is the most effective test to determine the description of the mechanical properties of a material. The purpose of this study is to determine the magnitude of the impact strength of the metal casting results in the manufacture of combustion chamber doors with different bentonite variations impact testing with the Charpy Impact Test method and the hardness value of the metal casting results in the manufacture of combustion chamber doors with different bentonite variations through hardness testing with the Rockwell Hardness Test method. In the impact test, the results of the impact strength analysis of the 8% bentonite variation were 0.1655 Kg.m/mm2, the 10% bentonite variation was 0.2119 Kg.m/mm2, and the 12% bentonite variation was 0.2555 Kg.m/mm2. In the hardness test, the results of the hardness analysis on the 8% bentonite variation were 104,7 HRC, the 10% bentonite variation was 92,1 HRC, and the 12% bentonite variation was 81,8 HRC.
Digital-Platform Use Intensity and Motivation to Learn English among Indonesian University EFL Students: Evidence from Four-Week Self-Recorded Logs Darry Christine Silowaty Purba; Agustin Nurya Savitri
Language, Technology, and Social Media Vol. 4 No. 3 (2026): July–September 2026
Publisher : WISE Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70211/ltsm.3026-7196.642

Abstract

Digital platforms are now embedded in university English learning, yet evidence from Indonesian higher education remains limited on how repeated use intensity relates to learner motivation. This study examined associations between two self-recorded indicators of digital-platform use intensity - weekly frequency and average session duration - and overall motivation to learn English among 210 second-year undergraduate EFL students from an eligible population of 450 established platform users at one Indonesian institution. A single-site observational correlational design combined a four-week self-recorded usage-log component with a 28-item five-point motivation questionnaire adapted from the Intrinsic Motivation Inventory and Keller's Instructional Materials Motivation Survey. A pilot test with 30 students outside the analytic sample yielded an overall Cronbach's alpha of 0.87. Because the retained study documentation did not support construct-level reliability or factor analysis, inferential interpretation was restricted to the overall motivation score. Weekly frequency was positively associated with overall motivation (r = 0.58, 95% CI [0.48, 0.66], p < 0.01), as was session duration (r = 0.51, 95% CI [0.40, 0.60], p < 0.01). These sizeable associations do not establish direction or causation. The study contributes context-specific evidence based on repeated short-window self-recording rather than a single use-perception measure. Interpretation is bounded by the single site, voluntary established-user sample, cross-platform aggregation, self-recording, absent demographic and proficiency controls, and unavailable item- and session-level data for independent reanalysis.
Co-Authors Arie Erza Erlangga Zebua Armanda Purba Bukhari Bukhari Darmadi, Herry Darry Christine Silowaty Purba Dejoi Irfian Situngkir Dian Kurnia Eyad Saleh Bani-Domi Fitriany Halawa, Darmo Herry Darmadi Karti Karti Karti, Karti Loso Judijanto Loso Judijanto Lumbantoruan, Sorta Muhammad Fatih Abdillah Murhaban Novia Nelza Nurul Shadrina Bintang Riska Amalia Saragih, Gimelliya Sorta Lumbantoruan Toba Sastrawan Manik Wahyu Saputra Winny Iftari