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All Journal Jurnal Ilmiah Pendidikan Fisika AL-JAZARI JURNAL ILMIAH TEKNIK MESIN Jurnal Inovasi Pendidikan Fisika dan Integrasinya Quantum Teknika
Anwar, Mohammad Syaiful
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Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics

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Development of CTIL Model Textbooks Based on H5P Application to Improve Students' Critical Thinking Skills Hasyim, Faiz; Wibowo, Hari Anggit Cahyo; Wilujeng, Indrawati; Anwar, Mohammad Syaiful
Jurnal Ilmiah Pendidikan Fisika Vol 8, No 3 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jipf.v8i3.13566

Abstract

21st Century Skills are key competencies crucial for students to thrive and succeed in the future. Critical thinking skills are one of the urgent 21st-century skills. Students' critical thinking skills must be trained with the right learning models and textbooks. This study aims to develop a valid and practical H5P-based Critical Thinking-Independent Learning (CTIL) textbook to improve students' critical thinking skills. The research instruments were textbook validation sheets and textbook readability questionnaires. The data analysis used quantitative descriptive techniques. Quantitative descriptive analysis was carried out on the results of experts' validation and the textbook readability questionnaire. Based on the results of the research conducted, it was found that the validation result from the material expert was 3.81 in the very valid category, from the language expert was 3.80 in the very valid category, and from the media expert was 3.23 in the valid category. The results of the textbook readability questionnaire stated that the textbook was easy to understand, easy to use, and interesting, and students enjoyed using the H5P-based CTIL textbook with an average percentage of 82% in the very high category. Based on the results of the analysis, it can be concluded that the developed H5P-based CTIL textbook is valid and practical. Further research can be conducted by empirically testing the H5P-based CTIL textbook to determine its practicality in science learning broadly.
Keterampilan Matematika sebagai Jembatan Menyelesaikan Persamaan Kompleks dalam Fisika Anwar, Mohammad Syaiful
Jurnal Inovasi Pendidikan Fisika dan Integrasinya Vol. 8 No. 1 (2025): JURNAL INOVASI PENDIDIKAN FISIKA VOL 8 NO. 1 2025
Publisher : STKIP AL HIKMAH SURABAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62426/

Abstract

Kemampuan matematika merupakan elemen krusial dalam pembelajaran fisika, terutama dalam menurunkan dan menyelesaikan persamaan fisika yang kompleks. Artikel ini mengulas literatur terkait peran keterampilan matematika sebagai jembatan dalam memahami konsep fisika secara kuantitatif dan menyelesaikan masalah fisika secara efektif. Metodologi yang digunakan adalah deskriptif kualitatif dengan pendekatan studi literatur untuk mensintesis hasil penelitian terdahulu serta teori terkait. Hasil tinjauan menunjukkan bahwa penguasaan matematika—terutama aljabar, kalkulus, dan logika matematis—sangat berpengaruh dalam pemahaman dan penurunan persamaan fisika. Permasalahan utama adalah integrasi pembelajaran matematika dan fisika yang belum optimal, sehingga perlu pendekatan pembelajaran terintegrasi serta penggunaan teknologi interaktif untuk meningkatkan keterampilan tersebut 
Evaluasi Kinerja Dan Kelayakan Operasional Pompa Hydrant Diesel – Electric Berdasarkan NFPA 20 Dan SNI 03-1745-2000 Ahmadi, Nur; Anwar, Mohammad Syaiful; Safitri, Feby Salma Ayu
AL JAZARI : JURNAL ILMIAH TEKNIK MESIN Volume 11, Issue 1, Mei 2026
Publisher : Universitas Islam Kalimantan Muhammad Arsyad Al Banjari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/al-jazari.v11i1.22623

Abstract

Keandalan sistem proteksi kebakaran sangat bergantung pada kinerja pompa hydrant dalam menyediakan suplai air bertekanan saat kondisi darurat. Pompa diesel dan elektrik berfungsi sebagai unit utama dan cadangan yang harus beroperasi sesuai standar guna menjaga efektivitas pemadaman kebakaran. Penelitian ini bertujuan untuk mengevaluasi kinerja serta kelayakan operasional pompa hydrant diesel–electric di PT PLN Nusantara Power Kantor Pusat Surabaya berdasarkan NFPA 20 dan SNI 03-1745-2000. Metode penelitian menggunakan pendekatan kuantitatif melalui pengujian lapangan (flow test) untuk mengukur tekanan dan debit pompa. Data dianalisis dengan menghitung Total Dynamic Head (TDH), menyusun kurva karakteristik head–debit, serta melakukan comparative compliance analysis terhadap standar yang berlaku. Analisis risiko juga dilakukan untuk menilai potensi dampak operasional apabila terjadi penurunan performa. Hasil penelitian menunjukkan bahwa pompa menghasilkan debit rata-rata 2.865 L/menit, tekanan nominal 8,9 bar, dan TDH sekitar 73 meter, seluruhnya berada di atas batas minimum standar. Kurva head–debit mengindikasikan bahwa pompa beroperasi di sekitar Best Efficiency Point (BEP), sehingga efisiensi hidraulik masih optimal. Namun, margin keselamatan yang moderat menunjukkan perlunya pemeliharaan preventif dan pengujian berkala. Dengan demikian, pompa hydrant diesel–electric dinyatakan layak operasional dan mampu mendukung sistem proteksi kebakaran. Penelitian ini berkontribusi melalui model evaluasi performa pompa berbasis analisis teknis dan standar untuk meningkatkan keandalan sistem hydrant.
Analisis SFC Campuran Biodiesel B35 Beraditif Imagina pada Mesin PLTD Luwuk Eksperimental Kinerja Energi Anwar, Mohammad Syaiful; Ahmadi, Nur; Yusuf, Mirza
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol. 7 No. 2 (2026): April
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.v7i2.31550

Abstract

The use of B35 biodiesel in diesel engines often faces constraints related to performance and component durability, necessitating additives to improve fuel performance. Imagina® Dex Ultimate is an essential oil-based additive claimed to improve stability, cetane number, and lubrication properties, and to reduce deposits and corrosion. This study aims to analyze the characteristics of specific fuel consumption (SFC) in the use of B35 with the addition of Imagina additives in the Luwuk Diesel Power Plant (PLTD). The research method involved field testing on a diesel engine with a 1:1000 liters mixture ratio, mixing ±2 hours before testing, and operating the engine at three load levels (900, 700, and 500 kW). The test was carried out by comparing fuel without and with additives. The results showed that the addition of additives did not significantly reduce SFC across all load variations. At a load of 900 kW, energy production was relatively stable, with an increase of 0.07 kWh, while SFC increased by 0.0013 liters/kWh compared to the case without additives. Analysis of the fuel's physical properties shows that the density and flash point still meet B35 standards, while the FAME content is slightly above 35%. The calorific value did not increase significantly, and it even decreased by 0.18 MJ/kg in the Mitsubishi engine and by 0.06 MJ/kg in the Deutz engine. Based on these results, the use of the Imagina additive in B35 at the Luwuk Diesel Power Plant has not demonstrated technical feasibility in improving fuel consumption efficiency.
Co-Authors Hari Anggit Cahyo Wibowo, Hari Anggit Cahyo Hasyim, Faiz Indrawati Wilujeng Nur Ahmadi, Nur Safitri, Feby Salma Ayu Yusuf, Mirza