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All Journal International Journal of Advances in Applied Sciences Cakrawala Pendidikan Jurnal Materi dan Pembelajaran Fisika JIPTEK : Jurnal Ilmiah Pendidikan Teknik dan Kejuruan Jurnal Keteknikan Pertanian Jurnal Sains dan Teknologi Rekayasa Mesin Majalah Ilmiah MOMENTUM VANOS Journal of Mechanical Engineering Education Jurnal Mekanika dan Sistem Termal Assets: Jurnal Akuntansi dan Pendidikan Social, Humanities, and Educational Studies (SHEs): Conference Series INTI Nusa Mandiri Scientific Journal of Mechanical Engineering Kinematika BERNAS: Jurnal Pengabdian Kepada Masyarakat DEDIKASI: Community Service Reports Abdi Masya International Journal of Social Service and Research Jurnal Energi Baru dan Terbarukan Society: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Bidang Sosial dan Humaniora Aceh International Journal of Science and Technology Jurnal Penelitian Pendidikan Indonesia Jurnal Intelek Insan Cendikia Jurnal Polimesin
Danar Susilo Wijayanto
Pendidikan Teknik Mesin Fakultas Keguruan Dan Ilmu Pendidikan Universitas Sebelas Maret
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PENGEMBANGAN SISTEM INFORMASI MONITORING HARIAN MAGANG INDUSTRI PENDIDIKAN TEKNIK MESIN MENGGUNAKAN MODEL 4D Sidik, Rasyid; Nurul Husnaini, Azizah; Syivarulli, Riina; Kholil, Muhammad; Rohman, Ngatou; Susilo Wijayanto, Danar
INTI Nusa Mandiri Vol. 19 No. 2 (2025): INTI Periode Februari 2025
Publisher : Lembaga Penelitian dan Pengabdian Pada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33480/inti.v19i2.6406

Abstract

The problems encountered in the industrial internship courses that are held conventionally are less actual daily log book recording and limited frequency of monitoring supervisors, resulting in less than optimal internship results. This research aims to develop a daily monitoring information system for industrial internships for Mechanical Engineering Education students at Sebelas Maret University. The research method used is Research and Development (RnD) with 4D models including Define, Design, Develop, and Disseminate. The result of this study is to develop a web-based daily monitoring information system for industrial internships and accommodate the industrial internship process from the preparation stage to the end of the assessment. Based on the analysis results, this information system obtained the "good" category with an average website performance test score of 84.25 on 4 test tools. The system was also rated "highly valid" based on a 98.6% eligibility score from 3 IT experts and 85.6% from 30 trial students.
Pemberdayaan Peningkatan Kompetensi Pembelajaran Digital Bagi Calon Guru Sekolah Kejuruan melalui MOOC Rumah Vokasi Riyadi Muslim; Herman Saputro; Danar Susilo Wijayanto; Ranto, Ranto; Ngatou Rohman
ABDISOSHUM: Jurnal Pengabdian Masyarakat Bidang Sosial dan Humaniora Vol. 4 No. 1 (2025): Maret 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdisoshum.v4i1.4965

Abstract

Teachers have an important role to play in improving the competence of students in VET schools. Technological literacy in classroom management is often a teaching challenge. Today, many students are familiar with the use of modern technology, including access to knowledge. This is a great opportunity for teachers to facilitate students' access to information to learn complex things. Therefore, it is necessary to increase teachers' competence in interactive learning technology. The purpose of this service is to increase the technological competence of pre-service teachers and teachers through the MOOC Rumah Vokasi interactive application at one of private vocational school at Surakarta. This service is carried out with a formative evaluation method, through 3 stages: 1. Introduction and training, 2. Apk-based learning implementation, and 3. Evaluation. Based on the evaluation analysis process conducted, it was found that interactive applications play a positive role in helping teachers support learning in the classroom. Relevant features and ease of access are the main keys for teachers to learn new applications that are suitable for use as learning support media. MOOC Rumah Vokasi, able to support teacher candidates and teachers to improve their teaching performance.
SOCIALIZATION ON PREVENTING THE SPREAD OF HOAX NEWS IN ONLINE NEWS MEDIA AT GROGOL VILLAGE, WERU, SUKOHARJO Wijayanto, Danar Susilo; Kusumawati, Wahyu
Abdi Masya Vol 6 No 1
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abdimasya.v6i1.452

Abstract

The socialization activity on hoax news in Grogol Village, Weru Subdistrict, Sukoharjo Regency, was conducted to increase public awareness about the dangers of hoax news and ways to prevent it. Using a community education approach, the team provided education on the definition, characteristics, and risks of hoax news, as well as how to protect themselves from the spread of fake news. This activity involved hands-on practice of checking the truth of the news using the website cekhoaks.id and promoting the habit of "Filter before sharing". A total of 50 residents actively participated in the "Facts Against Hoax: Socialization of Protecting Yourself from the Spread of Hoax News". As a result, the people of Grogol Village showed an increased awareness to check the content of news before sharing it. This activity is expected to minimize the spread of hoax news in the community and become part of a more critical culture in using social media. Thus, the people of Grogol Village can be wiser in dealing with information circulating on social media, so as to maintain the security and integrity of information in their community.
OIL FROM THE PYROLYSIS OF RICE HUSK BIOMASS AND COFFEE GROUNDS MIXTURE WITH POLYPROPYLENE PLASTIC Wulandari, Rani; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i2.1870

Abstract

This study aims to determine the effect of the ratio of the composition of the mixture of rice husk and coffee grounds with PP plastic on quantity (volume of pyrolysis oil and distillation results) and quality (yield, density, viscosity, visual and color), as well as to determine the ratio of biomass variation with plastic that produces the most oil and the best quality. This study was conducted by mixing rice husk and coffee grounds biomass with PP plastic in the form of RDF-3 with a variation in composition of 0% : 100%, 25% : 75%, 50% : 50%, 75% : 25%, and 100% : 0%. The pyrolysis results are in the form of oil which is then distilled to separate the compounds contained in it and produce clean oil, then the volume of pyrolysis oil and distillation results is measured, yield testing, density, viscosity, visual and color are tested. The test results showed that there was an effect of a mixture of rice husk and coffee grounds biomass with PP plastic on quantity (volume of pyrolysis oil and distillation results) and quality (yield, density, viscosity, visual and color). The volume of pyrolysis oil and distillation products was the highest ratio of 100% PP with pyrolysis oil of 616.67 ml and distilled oil of 178 ml. The results of the best yield test were obtained with a ratio of 100% PP of 82.39%. The best density test obtained a 100% PP ratio of 846.6 kg/m3, the results of this density lead to the specification of diesel fuel. The viscosity value of the best pyrolysis oil is obtained with a ratio of 100 % PP of 0.65499 cP which leads to the specification of gasoline type fuel. The best visual and color testing of pyrolysis oil was obtained with a ratio of 100% PP with a clear and bright visual appearance with a clear yellow color, which is in accordance with the specifications of diesel and gasoline fuel. It was concluded that the best configuration was obtained with a ratio of 100% PP which led to the specification of diesel fuel.
Pyrolysis of Saw Waste Biomass Mahogany Wood and Polypropylene Plastic Safitri, Diya Zalfa Aisyah; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
JST (Jurnal Sains dan Teknologi) Vol. 12 No. 1 (2023): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jstundiksha.v12i1.51857

Abstract

Kebutuhan bahan bakar yang meningkat seiring meningkatnya jumlah penduduk serta kemajuan industri, sementara cadangan bahan bakar fosil terus berkurang. Masyarakat juga dihadapkan oleh permasalahan meningkatnya jumlah sampah, baik dalam bentuk organik maupun anorganik. Dalam hal ini limbah kayu mahoni dan limbah plastik polypropylene yang masih jarang dimanfaatkan oleh masyarakat dapat menjadi solusi untuk dijadikan bahan bakar alternatif diolah dengan proses pirolisis. Tujuan penelitian ini untuk mengetahui pengaruh variasi rasio komposisi limbah gergaji kayu mahoni dan limbah plastik polypropylene terhadap kuantitas minyak hasil pirolisis.  Penelitian ini dilakukan dengan cara melakukan proses pirolisis terhadap campuran biomassa limbah gergaji kayu mahoni dan limbah plastik polypropylene dengan rasio komposisi 100%:0%, 75%:25%, 50%:50%, 25%:75%, dan 0%:100% selama 90 menit selanjutnya dilakukan pengujian minyak pirolisis meliputi uji kuantitasnya. Terdapat adanya pengaruh variasi rasio komposisi campuran biomassa serbuk gergaji kayu mahoni dan limbah plastik polypropylene terhadap kuantitas minyak hasil pirolisis. Kuantitas terbanyak dihasilkan oleh campuran 100% limbah plastik polypropylene karena kuantitas minyak hasil pirolisis dipengaruhi oleh jenis bahan baku, jumlah bahan baku, dan temperatur pemanasan yang dicapai saat proses pirolisis.
Pyrolysis of biomass mixture of coconut fiber and rice husk waste with polypropylene plastic Mardikatama, Bagas Cahya; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
International Journal of Advances in Applied Sciences Vol 13, No 4: December 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v13.i4.pp1000-1008

Abstract

This research aims to evaluate the effect of the composition ratio of oil from coconut fiber waste biomass and rice husks as well as polypropylene (PP) plastic which is not optimally utilized and can be used as an alternative fuel processed through the pyrolysis process. This research was conducted by mixing biomass of coconut fiber and rice husk with PP plastic in the form of refuse-derived fuel (RDF)-3 with compositional variations of 100:0%, 75:25%, 50:50%, 75:25%, and 0:100% for 60 minutes. The pyrolysis product in the form of oil was then distilled to separate the compounds contained in it and produce pure oil. Next, quantity (volume of pyrolysis oil and distilled oil) and quality (yield, density, viscosity, visual, and color) tests were carried out. The results of the study showed that there is an influence of the variation in the composition ratio of the mixture of biomass of coconut fiber and rice husk and PP plastic on its quantity and quality. The highest quantity was obtained from the 100% PP ratio and the best quality was obtained from the 100% PP ratio, which leads to the specifications of solar fuel oil.
Peningkatan Pemahaman Terkait Keamanan Digital Dalam Menerapkan Konsep Desa Cerdas Di Lingkungan Desa Karanganyar Erick Irwansyah; Rindang Indra; Feny Widyastuti; Atun Novitasari; Aisyah Fatkhul; Aprilza Vina; Sintia Rini; Alfariz Bima; Danar Susilo Wijayanto; Rizka Amalia
Jurnal Intelek Insan Cendikia Vol. 1 No. 10 (2024): Desember 2024
Publisher : PT. Intelek Cendikiawan Nusantara

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

Abstract

Perkembangan teknologi di era informasi membawa dampak signifikan terhadap berbagai aspek kehidupan, termasuk tata kelola desa. Salah satu inovasi yang muncul adalah konsep smart village, yang bertujuan untuk memanfaatkan teknologi dalam meningkatkan kualitas hidup dan layanan di pedesaan. Penelitian ini bertujuan untuk menganalisis pemahaman masyarakat Desa Karanganyar terkait keamanan digital dalam penerapan smart village. Metode penelitian yang digunakan adalah deskriptif kualitatif, dengan partisipan dari berbagai elemen masyarakat. Data dikumpulkan melalui observasi, wawancara mendalam, dan dokumen terkait. Hasil penelitian menunjukkan bahwa meskipun masyarakat mulai menyadari pentingnya keamanan digital, pemahaman mereka masih terbatas, terutama di kalangan penduduk lanjut usia. Tim sosialisasi KKN Universitas Sebelas Maret berperan penting dalam meningkatkan literasi digital melalui berbagai metode, termasuk forum diskusi kelompok dan penyebaran materi edukasi. Penelitian ini menggarisbawahi pentingnya edukasi dan pelibatan masyarakat dalam pengembangan desa pintar, khususnya dalam menghadapi tantangan keamanan digital di era modern.
Effectiveness of using google sites-based learning media to improve critical and creative thinking abilities of vocational school students Khusnul Hidayati; Anis Rahmawati; Danar Susilo Wijayanto
JPPI (Jurnal Penelitian Pendidikan Indonesia) Vol. 10 No. 3 (2024): JPPI (Jurnal Penelitian Pendidikan Indonesia)
Publisher : Indonesian Institute for Counseling, Education and Theraphy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/020243964

Abstract

Critical thinking and creative thinking are the main components and important components related to 21st-century skills. Technology is currently very advanced in learning media, so learning is becoming easier and less boring for students. This is supported by global demands that force the education sector to align technical progress with efforts to improve educational standards. One of the sciences and technologies that can be utilized is interactive learning media based on Google Sites. This research was conducted to see the increase in students' ability to think critically and creatively after using Google Sites as a learning media. The research was conducted at the Accounting Department Vocational School in Madiun Regency and Madiun City, East Java. Data collection was carried out by observing critical and creative thinking skills in class, as well as filling out a questionnaire about Google site-based learning media. The research results show that using Google Sites as a learning media for students can improve students' critical and creative thinking abilities. Students' assessments of Google Sites learning media meet the criteria of being very eligible in all aspects. Google Sites can help teachers provide learning resources for students that will help them understand their lessons and activities better.
Pengaruh Variasi Diameter Kawat pada Stator Generator terhadap Daya yang Dihasilkan oleh Turbin Air Vortex Ardiansyah, Arenta Wahyu; Susilo Wijayanto, Danar
Jurnal Energi Baru dan Terbarukan Vol 6, No 3 (2025): Oktober 2025
Publisher : Program Studi Magister Energi, Sekolah Pascasarjana, Universitas Diponegoro, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jebt.2025.28537

Abstract

Energi telah menjadi kebutuhan mendasar manusia, terutama energi listrik. Umumnya, energi listrik bergantung pada bahan bakar fosil. Menipisnya persediaan energi fosil, mendorong pemanfaatan energi terbarukan seperti air sebagai sumber energi alternatif. Pembangkit Listrik Tenaga Air (PLTA) menghasilkan energi listrik dari aliran air melalui turbin, salah satunya turbin air vortex. Turbin ini termasuk jenis turbin mikrohidro yang mampu beroperasi pada head rendah. Komponen utama penghasil listrik pada turbin yaitu generator, dengan parameter berupa tegangan dan arus listrik. Penelitian ini memodifikasi diameter kawat stator pada generator untuk meningkatkan daya keluaran. Tujuan penelitian adalah mengetahui pengaruh diameter kawat stator terhadap daya dan efisiensi sistem pada turbin air vortex. Metode yang digunakan adalah eksperimen skala laboratorium dengan generator magnet permanen hasil konversi dinamo mesin cuci top loading. Variasi diameter kawat yang digunakan adalah 0,25 mm, 0,35 mm, dan 0,45 mm, serta variasi debit air 1,5 l/d, 2 l/d, 2,75 l/d, 3,17 l/d, dan 3,33 l/d. Hasil penelitian menunjukkan bahwa peningkatan diameter kawat dan debit air berpengaruh terhadap peningkatan daya dan efisiensi sistem. Nilai tertinggi dicapai pada diameter kawat 0,45 mm dengan daya 1,115 Watt dan efisiensi 12,64% pada debit air 3,33 l/d.
Optimization of power and efficiency of a vortex water turbine through blade–outlet distance and transmission ratio analysis Asagi, Florensius Kitaro; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu
Jurnal Polimesin Vol 24, No 1 (2026): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v24i1.7933

Abstract

As fossil fuel resources decline, vortex water turbines offer a promising renewable energy alternative by utilizing river flow. This experimental research aims to analyze the effect of blade distance from the outlet and transmission ratio on the electrical power and efficiency produced by vortex water turbines as a renewable energy solution. Three variations of blade distance from the outlet (20 mm, 40 mm, and 60 mm) and three variations of transmission ratio (1:3, 1:4, and 1:5) were tested under seven water flow rate variations of 27.8 l/min, 33.68 l/min, 34.11 l/min, 34.54 l/min, 34.97 l/min, 35.4 l/min, and 35.83 l/min. Data were collected for 5 minutes, with a 10-second interval for each parameter. Test results show that the highest electrical power of 4.88 watts was achieved at a blade distance of 20 mm from the outlet, a transmission ratio of 1:5, and a water flow rate of 35.83 l/min. Meanwhile, the highest turbine efficiency of 11.25% was obtained at a blade distance of 20 mm from the outlet, a transmission ratio of 1:3, and a water flow rate of 35.83 l/min. Increasing blade–outlet distance reduced both power and efficiency, while higher transmission ratios increased power but decreased efficiency due to torque–speed trade-offs. These results confirm that the distance between the blade and the outlet, and the transmission ratio, are critical parameters for optimizing performance of vortex turbines. A blade distance closer to the outlet provides the best performance and a larger transmission ratio will also improve performance, although transmission loading must also be considered.
Co-Authors Abdul Aziz Nur R. Adila, Mifta Atika Nur Adnan Fatchurrachman Afifah Diyah Nur Rohmah Rohmah Ahmad Yuhsin Sukisno Aisyah Fatkhul Al Azhar, Kahfi Alfariz Bima Alif Adityas Irfansyah Amin Marlinda C. Anggreni, Mahera Anindya Puspitasari Anis Rahmanuri Anis Rahmawati Anis Rahmawati Annisa Salsabila Ghina Muthi Aprilza Vina Ardiansyah, Arenta Wahyu Arga Hartantyadhi Pratama Arif Nurachman Asagi, Florensius Kitaro Athia Tamyizatun N Attala Surya Prima Amanda Atun Novitasari Azmi, Maimunah Bawono Widyo Gumelar Benazir Kartika, Ringgit Budi Harjanto Cucuk Wawan Budiyanto Damayanti, Rahma Deni Andriyansyah Deny Prabowo Devan Hidayat Pratama Dewanto Harjunowibowo Dhian Prasetyo Adjie Diki Cahyo Gumilang Dimas Satria Sandi Pradana Dinda Pradani Widiarti Diva Nanda Permana Putra Dwi Yudha Meydiansyah Efendi, Mohamad Syarifudin Erick Irwansyah Erizka Pangastuti Erni Latifah W Eunike Friska Defvi Febryan Alfianto Nugroho Feny Widyastuti Handang Kurniawan Handayani, Feby Dwi Handy Prabowo Hanif Ibrahim, Fauzan Herman Saputro Herman Saputro Herman Saputro Hidayati, Khusnul Husin Bugis Husin Bugis Husin Bugis Ibnu Siswanto Ika Wardhani, Anisa Iksan Riva Nanda Ilham Octavian Indah Widiastuti Indah Widiastuti Indah Widiastuti Irvan Maulana Isnanto, Irham Hasri July Trianita Widya Rahayu Kartika Aprilya Khaira Fadia Thoriq Khusnul Hidayati Krisnawan Suko Raharjo Kristina Dwi Amanda Kusumawati, Wahyu Latifah Nurul Q. Maedanu Fasola Putra Maghfur, Bagus Romadhoni Maimunah Maimunah Malik Yuari Mardikatama, Bagas Cahya Mohamad Lukmanul Hakim Mohd. Shafie bin Bakar Muhamad Andito Yogatama Muhammad Alfian, Muhammad Muhammad Emir Muhammad Hendar Budi Santoso Muhammad Ilham Nurrahman Muhammad Iqbal Amar Muhammad Kholil Muhammad Rodhi Qoribi Muhsin Muhsin Naafi’ Ussalam Nabila, Urfan Nada Hanifah Putri Nadhirotu Dhihniyya, Khusna Nadiefa A'isy Putri Natasya Puteri Ariska Ngatou Rohman Ngatou Rohman Ngatou Rohman Ngatou Rohman Ngatou Rohman Novi Susilawati Nugroho Agung Pambudi Nugroho Agung Pambudi Nurul Husnaini, Azizah Nur’aini Oktaviyanti Nuurul Maulidiyah Maulidiyah Odilia Tiara Febrianti Pertiwi, Anisa Ayu Philip Purwoko Adi Panuntun Puthut Alfi Syahri Kurniawan Putri Fatma Nur Sholeha Putu Fajar Puspitasari Rahmadzani, Defani Rizky Rahmawati, Karisma Ramanda Ridho Barokah Rani Wulandari Ranto Ranto Ranto Ranto Rindang Indra Riyadi Muslim Rizka Amalia Rosydah Umy Hapsari Safira Firdaus Safitri, Diya Zalfa Aisyah Salma Tyas Ayu Dian Kusuma Saputra, Taufik Wisnu Sidik, Rasyid Sintia Rini Siti Nurrohmah Stephanus Fajar Pamungkas Surya Damayanti, Indira Susy Ermawaty Syivarulli, Riina Taufik Wisnu Saputra Taufik Wisnu Saputra Taufik Wisnu Saputra Taufik Wisnu Saputra Towip, Towip Tri Kresnajaya, Defaja Tuatul Mahfud Widiastuti, Indah Wijayasari D.W. Wijayasari D.W. Wisnu Aristyawan Yufriana, Aisyah Yusnawati, Septian Yuyun Estriyanto