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All Journal Jupe-Jurnal Pendidikan Ekonomi Physics Student Journal Journal of Environmental Engineering and Sustainable Technology Science and Technology Indonesia Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Penelitian Pendidikan IPA (JPPIPA) Jukung (Jurnal Teknik Lingkungan) Pendas : Jurnah Ilmiah Pendidikan Dasar ORBITA: Jurnal Pendidikan dan Ilmu Fisika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA JURNAL PENDIDIKAN TAMBUSAI Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pendidikan Fisika dan Teknologi Kappa Journal Acta Chimica Asiana Jurnal khabar: Komunikasi dan Penyiaran Islam Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Pharmacy Reports POLICY, LAW, NOTARY AND REGULATORY ISSUES (POLRI) Kreasi: Jurnal Inovasi dan Pengabdian Kepada Masyaraka Jurnal Pepadu Saber: Jurnal Teknik Informatika, Sains dan Ilmu Komunikasi
Arif Budianto
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Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Efektivitas Jumlah Lubang Pada Tabung Pembakaran Terhadap Performa Kompor Biomassa Rahayu, Susi; Ridwansyah, Habib; Kurniawidi, Dian Wijaya; Handayana, I G N Yudi; Alaa`, Siti; Budianto, Arif
Kappa Journal Vol 8 No 1 (2024): April
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v8i1.25335

Abstract

Global energy requirements encourage innovations in developing environmentally friendly alternative energy sources by transforming biomass waste into biopellets. The use of biopellets as fuel was followed by the development of biomass stoves for households. Developing biomass stove technology design is essential, so this research aims to design a biomass stove with good performance for use as a household stove. Stove performance was identified by reviewing the biomass stove's fuel consumption and thermal efficiency relative to the number of combustion holes. The biomass stove fabrication results had been successfully created based on a stove design using galvanized plate material. The design focused on three layers of tubes, including the stove frame, the air supply control, and the combustion tube. The number of holes in the combustion tube affected fuel consumption and the thermal effectiveness of the stove. The lowest fuel consumption on a furnace with six combustion holes was 2,306 kg/hour. Meanwhile, the optimal thermal efficiency for burning 18 holes was 16.17%. However, this thermal efficiency value needs to meet the SNI 7926: 2013 standard. The location and number of combustion holes in the combustion tube could influence the performance of the biomass stove. Therefore, it is important to modify biomass stoves to fulfill SNI standards.
PENERAPAN MODEL CONTEXTUAL TEACHING AND LEARNING (CTL) BERBANTUAN MEDIA AUDIOVISUAL UNTUK MENINGKATKAN HASIL BELAJAR IPAS KELAS III SD 1 JATI WETAN Arif Budianto; Erik Aditia Ismaya; Redjeki Handayani; Linda Ratna Sar
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 03 (2025): Volume 10 No. 03 September 2025 In Process
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i03.32064

Abstract

The study aims to determine the improvement of the learning outcomes of the students using the Contextual Teaching and Learning (CTL) model supported by the learning media audiovisual in IPAS subjects. The type of research used in this research is classroom action research. Data collection using interviews, observations, written tests, and documentation. Class Action Research was conducted in SD 1 Jati Wetan class III with 9 students. The results obtained in this study are showed improvement in each cycle. In the pre cycle the average value obtained is 66,66, in the first cycle is 69,44, and in the second cycle is 78,88. And the percentage of completeness in the pre cycle reaches 33,33%, in the first cycle is 55,55%, and in the second cycle is 88,88%. Thus, it can be concluded that the application of Contextual Teaching and Learning (CTL) in IPAS subjects in elementary school can improve learning outcomes.
Characteristics of Dyeing Cotton Thread Using Fine Particle Powder from Tectona Grandis Leaf Kurniawidi, Dian W.; Dewi, Diah L.; Rahayu, Susi; Budianto, Arif; Alaa, Siti
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.3753

Abstract

In Lombok, the traditional process of dyeing woven fabrics primarily involves the use of synthetic dyes, which can contribute to environmental pollution. This study aimed to identify the characteristics of woven yarn and assess the effect of dye solution pH on yarn properties when using teak leaves (Tectona grandis) to produce dye powder through a mechanical thermal method. The thread coloring process comprised mordanting, coloring, and fixation stages, with the assistance of Android applications for color analysis and a Universal Tensile Machine Type RTG-1310 to assess mechanical properties. The results revealed that dyeing yarn with anthocyanin powder from teak leaves yielded a range of colors, including shades of gray, brown, and red. The highest tensile strength observed was 2,664 cN/dtex, and the solution's pH significantly influenced the dominant color, with red being prominent. Notably, optimal tensile strength (1,649 cN/dtex) was achieved at pH six. These findings highlight the potential for producing high-quality cotton threads using different dyeing processes and techniques. The study's insights contribute to both environmental protection and thread quality enhancement in the textile industry
Co-Authors - Ngadiman Agista, Wida Puteri Agustian, Reben Yulandra Ahmad Nadhir Akhyar, Halil Alaa, Siti Alaa, Siti Alaa`, Siti Alawiyah, Geby Alaydrus, Alfina T. Alfina Taurida Alaydrus Alhadawiah, Sabila Anggriani, Ni Ketut Apriza, Nanda Medina Damanik, Alaris Darasito Della Monica Destrianingtyas, Aulia Safitri Dewi, Diah L. Dian W. Kurniawidi DWI CAHYONO Erik Aditia Ismaya Fajriah, Baiq Nurul Fidya, Karina Alma Hadi, Kasnawi Al Handayana, I G N Yudi Hasanah, Khofizzatul Hurnah Hurnah, Hurnah Intan Utami Juniarti, Rosita Kasnawi Al Hadi Kormil Saputra Kurniawidi, Dian W. Kurniawidi, Dian Wijaya Lalu Sahrul Hudha Lestari, Sintya Dewi Linda Ratna Sar M. Nurhuda Mardiana, Laili Marlina, Resti Moh. Bahtiar Muhammad Al Ghiyats Yudho Pratama Nabilla, Dewi Alya Nita, Surya Nurfadilah Pradani, Dea Yulinestria Putraji, L.M. Guguh Rachmania, Nindita Ramadian Ridho Illahi Ramdhan Azwar Renata Redjeki Handayani Ridwansyah, Habib Rubi'ah, Siti Salas, Hagi Julio Satutik Rahayu Sri Sumaryati Suhayat Minardi Susi Rahayu Syamsuddin Syamsuddin Tata Sutabri Teguh Ardianto, Teguh Thathit Suprayogi Wahana, Lidia Wahyudi, Sopian Ari Widiantoro, Edwin Wijaya, Roviq Wirawan, Rahadi Zahrah Ramadlan Mubarokah