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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Ilmu Sosial, Humaniora dan Seni Journal for Technology and Science
Firdaus , Muhamad
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Aerospace Engineering Arts Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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PENGARUH WING TIP SUDU ROTOR BLADE TERHADAP UNJUK KERJA WIND TURBIN DENGAN MENGGUNAKAN BLADE NACA 0021 Firdaus , Muhamad; Firdaus , Rachmat
Journal for Technology and Science Vol. 1 No. 2 (2024): Journal for Technology and Science
Publisher : PT ANTIS INTERNATIONAL PUBLISHER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61796/ipteks.v1i2.151

Abstract

The use of energy in Indonesia currently has a growing need for energy, this will have an impact on the condition of the energy crisis, dependence on fossil fuels has a very serious threat, therefore there must be alternative energy as a substitute or as a saver of fuel reserves. Currently available fossils such as wind energy, water energy, and solar energy are very abundant in Indonesia. This study aims to develop wind power plants as a source of alternative energy to produce electrical energy, namely wind turbines. A wind turbine is a tool that functions to convert wind power into mechanical power in the form of a shaft rotation, then this shaft rotation is utilized for power generation. This tool is used to meet energy needs and is also used for alternative energy as an effort to save and reduce dependence on fossil energy. In this problem, the author will develop a tool for the influence of the wing tip of the rotor blade on the performance of the wind turbine. The purpose of this research is to calculate how much influence the wing tip has on the performance of the wind turbine on the electric current produced by the wind turbine. By adding variations to the wing tip using NACA 0021. The data obtained in this study are current (A), voltage (V), turbine power (watts), from the results of the research data it was found that the performance of the wind turbine using NACA0021 was the most optimal using a wing tip. at an angle of 15〗^0 in layer 2 with a voltage value of 12.5 (V), current 2(A), turbine power of 25.35 (watts), and efficiency of 0.844.
Analisis Foto Jurnalistik Karya Aji Yk Putra (Studi Pada Pemberitaan kompas.com: Kisah Penyelam Pemburu Harta Karun Di Sungai Musi) Firdaus , Muhamad; Syarifudin , Achmad; Muslimin, Muslimin
Jurnal Ilmu Sosial, Humaniora dan Seni Vol. 2 No. 1 (2023): Juli - Agustus
Publisher : CV. ITTC INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62379/jishs.v2i1.1002

Abstract

This research is entitled Analysis of Photojournalism by Aji YK Putra (Study on Kompas.com Reporting: The Story of Treasure Hunter Divers in the Musi River) with the aim of the research to tell the public how the procession of searching for treasure in the bottom of the Musi River includes what items are obtained during the hunt and equipment used by divers when searching for treasure. Photojournalism is a visual work that displays a message through an image based on facts without engineering. The Musi River has a depth of 12 to 30 meters with a target for hunters, namely at a depth of 30 meters. The Musi River treasure hunters are a group of people who depend on their prey for what they get. Aji YK Putra as a photo reporter did in-depth coverage of a group of hunters on the Musi River so that they got some data about how dangerous hunting is carried out by divers by risking their lives on a breathing apparatus assembled from a compressor hose. From the data studied through Roland Barthes' semiotics, several research results were obtained which described the field conditions of hunters when diving in the depths of the Musi River. This research also proves that journalistic photo products are able to express objectivity towards an event that exists in society because the photo displayed is an image with a million meanings.
PENGEMBANGAN MEDIA PEMBELAJARAN BERBASISI H5P BERMUATAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH DALAM MATERI BARISAN DAN DERET ARITMATIKA PADA SISWA SMA Dinda; Darma , Yudi; Firdaus , Muhamad
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.41745

Abstract

This research aims to produce learning media in the form of interactive H5P-based learning videos with a problem-based learning model that meets the criteria of validity, practicality, and effectiveness in improving mathematical problem-solving abilities on the topic of arithmetic sequences and series for grade X students at SMA Negeri 1 Jongkong. The method used in this research is Research and Development (R&D) with the Borg and Gall development model ((1) Potential and Problems, (2) Data Collection, (3) Product Design, (4) Design Validation, (5) Design Revision, (6) Product Trial, (7) Product Revision)). The subjects in this research consist of grade X students with a total of 26 students. The instruments used in this research include expert validation sheets, teacher response questionnaires, student response questionnaires, and posttests. The research results show that the developed learning media obtained an average validity percentage of 88.33% with very valid criteria. The practicality of the media based on teacher and student response questionnaires reached an average percentage of 82.84% with very practical criteria. Meanwhile, the posttest results show that the classical completeness of students reached 84%, which falls into the very effective category. Thus, the development of H5P-based learning media with problem-based learning content is feasible and effective for use in mathematics learning to improve students' problem-solving abilities. Keywords: H5P, Problem Based Learning, Problem Solving, Arithmetic Sequences and Series.
Co-Authors Darma , Yudi Dinda Firdaus , Rachmat Muslimin Muslimin Syarifudin , Achmad