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All Journal Jurnal Biogenerasi IJORER : International Journal of Recent Educational Research Jurnal Teknik Mesin Al-Anshor : Jurnal Pendidikan
Rizqi
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Automotive Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Other

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PENGARUH DIAMETER MAGNET DAN SUDUT SERANG MAGNET SERTA INTERAKSINYA TERHADAP GAYA TANGENSIAL PADA TURBIN MAGNET MENGGUNAKAN MAGNET PERMANEN NEODYMIUM: THE EFFECT OF MAGNET DIAMETER AND ANGLE OF ATTACK AND THEIR INTERACTION ON TANGENTIAL FORCES IN MAGNET TURBINES USING NEODYMIUM PERMANENT MAGNETS Rizqi; Wirawan
Jurnal Teknik Mesin Vol. 4 No. 1 (2025): JURNAL TEKNIK MESIN
Publisher : Program Studi Teknik Mesin PSDKU Polinema Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/j-meeg.v4i1.5997

Abstract

A turbine is a drive that converts potential energy into kinetic energy and kinetic energy. The nature of magnets with the same poles will result in a repulsive force or a pushing force. The aim of this research is to determine the effect of magnet diameter and magnet attack angle and their interaction on the tangential force in a magnetic turbine using neodymium permanent magnets. The research method used is experimental on a magnetic turbine using neodymium permanent magnets. Variations in the diameter of the magnet are 15 mm, 20 mm, 25 mm, and 30 mm and variations in the angle of attack of the magnet are 5°, 10°, 15°, 20°. The results obtained in this research are that in the clockwise rotation direction the optimal tangential force value is 4.648 N with a magnet diameter of 30 mm and an angle of attack of 5°, while in the counterclockwise rotation direction the optimal tangential force value is 4.087 N with a diameter 30 mm magnet and angle of attack 5°.
Development of OCIPSE Learning Model to Increase Students’ Scientific Creativity in Natural Science Learning Rizqi; Prabowo; Tjandra Kirana
IJORER : International Journal of Recent Educational Research Vol. 1 No. 1 (2020): April
Publisher : Faculty of Teacher Training and Education Muhammadiyah University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46245/ijorer.v1i1.10

Abstract

This Research & Development (R & D) has the main goal to develop and produce OCIPSE learning model. The main product of this research is the OCIPSE learning model with five phases, they are 1) Orient and organize the students for study; 2) Collaborative Investigation; 3) Presentation and discussion; 4) Strengthening of scientific creativity; and 5) Evaluate and provide recognition. The OCIPSE learning model’ quality data is obtained through an expert validation process by using the OCIPSE learning model Qualification Assessment Instrument. The OCIPSE learning model quality analysis used an average validity score, single measures ICC, and Cronbach's coefficient alpha. The result of the research shows OCIPSE learning model with average content validity (3.69), construct validity (3.69), with the validity of each aspect statistically in (rα = .92) and reliability in (α = .87). The results of this study indicate that the developed OCIPSE learning model was declared qualified by experts. The research implication is that a qualified OCIPSE learning model can be used to enhance the scientific creativity of junior high school students in natural science learning.
ANALISIS DAMPAK PEMBELAJARAN BERPUSAT PADA MAHASISWA DALAM MENINGKATKAN KEMAMPUAN KOMUNIKASI LISAN MAHASISWA Rizqi; Kiki; Rifqi; Nurdin
Al-Anshor: Jurnal Pendidikan Vol. 2 No. 2 (2025): EDISI JULI-DESEMBER 2025 (DALAM TERBITAN)
Publisher : STIT Hamzah Al Fansuri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63911/r9xrtm52

Abstract

Penelitian ini bertujuan menganalisis secara mendalam dampak spesifik penerapan metode pembelajaran berpusat pada mahasiswa terhadap peningkatan kemampuan komunikasi lisan di kalangan mahasiswa. Penelitian ini menggunakan metode kualitatif, dengan pengumpulan data yang dilakukan melalui wawancara dan observasi langsung terhadap mahasiswa peserta SCL. Pendekatan ini dipilih untuk memperoleh gambaran komprehensif mengenai seberapa besar pengaruh positif metode pembelajaran tersebut. Temuan penelitian dengan jelas menunjukkan bahwa SCL terbukti efektif meningkatkan rasa percaya diri siswa dalam menyampaikan ide dan gagasan. Data juga menunjukkan adanya peningkatan kualitas dalam aspek kebahasaan, di mana kata pilihan yang digunakan siswa menjadi lebih terstruktur, rapi, dan sesuai dengan kaidah kebahasaan akademik. Selain itu, kesiapan mental dan kemampuan siswa untuk berkomunikasi juga tercatat meningkat signifikan. Oleh karena itu, temuan ini berfungsi sebagai acuan penting bagi pengajar dan pengajar untuk lebih mempertimbangkan dan mengadopsi SCL sebagai strategi utama dalam upaya mengembangkan kemampuan komunikasi lisan siswa secara optimal.
The Importance of Digital Campaigns for Students: Critical Solutions to Ecosystem Change for Fostering Environmental Awareness in Ecology Courses Rizqi
Jurnal Biogenerasi Vol. 11 No. 1 (2026): Volume 11, no 1, 2026, (Januari - Maret 2026)
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v11i1.7895

Abstract

The accelerating changes in ecosystems caused by human activities, such as deforestation, urbanisation, pollution, and climate change, demand a critical response from various groups, including students as agents of change. This article examines the importance of digital campaigns as a strategic tool for students to critique ecosystem changes while cultivating environmental awareness. With an analytical critical approach as a lecturer, this article synthesises various research findings and scientific articles that show that digital campaigns not only function as a medium for disseminating information but also as a vehicle for transformative learning that can build ecological awareness, critical thinking skills, and social engagement among students. Digital campaigns are considered relevant to the characteristics of today's student generation, which is closely connected to digital technology and social media.
Co-Authors Kiki Nurdin PRABOWO Rifqi Tjandra Kirana Wirawan