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All Journal Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Multidisiplin Madani (MUDIMA) AbdimasMu UMTAS: Journal of Community Service JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat) Toplama
Wagiman, Acep
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Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Public Health Social Sciences Other

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The performance improvement of the combustion process in diesel engines with fuel heater wagiman, Acep
Journal of Energy, Mechanical, Material, and Manufacturing Engineering Vol. 9 No. 2 (2024)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v9i2.36203

Abstract

The incomplete combustion process will be a problem in the development effort of the diesel engine's performance. The non-homogeneous air-fuel mixing process is one of the factors which causes incomplete combustion. Heating the diesel fuel to a certain temperature before it goes through the high-pressure injection pump will lower its density and viscosity. Therefore, when injected in the combustion chamber, it forms smaller droplets of fuel spray which results in a more homogeneous air-fuel mixture. Moreover, using higher temperatures will make the diesel fuel easier to ignite to compensate for the limited time that is available in high-speed operating conditions. Diesel fuel heating can improve the combustion process to increase the power and decrease fuel consumption optimally.  
Online Learning Assistance At Perum Tamara Purnomo, Andhika Julio; Oktaviani, Tesa; Aditama, Raihan Geraldy; Islami Dini, Nurul Aeni; Daniati, Nia; Illena Karel, Maria; Nurjanah, Dewi; Rizki, Chandra Muhammad; Riyadi, Anita Nurlaeli; Amna, Aldi Mustafid; Suciani, Ai Yuni; Pratiwi, Mega Silvia; wagiman, Acep
AbdimasMu UMTAS Vol. 2 No. 1 (2023): AbdimasMu UMTAS: Journal Of Community Service
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/01pebe36

Abstract

The Covid-19 virus has spread in Indonesia, various efforts have been made to suppress the spread of this virus, one of which is the implementation of online learning. For this reason, the implementation of online learning is considered able to reduce the spread of the existing virus. This online learning has several obstacles. One of them is that many students do not have independence in learning. So the role of parents in accompanying their children in learning is very important. However, the problem is that many parents cannot accompany their children to  study as happened at Perum TAMARA. This is because parents do not have the ability to educate and or parents are busy working, the relationship between parents and students is uncertain and children are slow to learn. Even though the role of parents is very influential on the success of online learning. For this reason, the purpose of this study is to find out how the role of parents is to be ready to do online learning for their children. Alternative KKNT UMTAS Group 13 has a program for online learning assistance. Where children who are around Perum and around Perum will be accompanied when online learning or doing school assignments that are not yet understood.
Creating a Healthy and Quality Youth Generation by Establishing A Teenagers Posyandu Julio Purnomo, Andhika; wagiman, Acep
AbdimasMu UMTAS Vol. 3 No. 2 (2024): AbdimasMu UMTAS: Journal Of Community Service
Publisher : LPPM Universitas Muhammadiyah Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35568/t3bv8q45

Abstract

Adolescence is a period of transition from childhood to adulthood. During this period, adolescents experience many challenges both from themselves (biopsychosocial factors) and the environment (environmental factors). According to WHO, adolescence occurs in the age range of 12-24 years. Meanwhile, according to the Regulation of the Minister of Health of the Republic of Indonesia Number 25 of 2014, the meaning of adolescents is a population aged 10-19 years. Adolescence is a transitional period of human mental, physical and reproductive development that can have an impact on general health status. In adolescence, various changes occur in children as a form of puberty such as weight, height and so on. The development of information and technology can influence healthy adolescent behavior including risky behavior. Problems that usually occur in adolescents include juvenile delinquency, difficulty concentrating, lack of confidence, drug and narcotic abuse, to smoking. The purpose of this community service is to spur community development by growing its own motivational power, as well as being an agent of change and preparing development cadres and forming a youth posyandu in Jayagiri Village, Ciamis Regency. Youth Posyandu is here to help teenagers face their complex problems. The problem faced is that the youth posyandu cadres have not yet been formed and there has been no previous training so that this youth posyandu is a new thing in Jayagiri Village. The implementation method to solve this problem is to form a youth posyandu by providing training to youth posyandu members on the procedures for implementing a youth posyandu. The results and outputs produced are the formation of youth posyandu cadres by implementing a 5 table cadre training system for registration, implementation of height weighing examinations, recording, services and counseling and counseling.
DESIGN OF A 1 KG GOLD SMELTING FURNACE USING PERTALITE FUEL Darmawan, Darmawan; Mujiarto, Mujiarto; Wagiman, Acep
TOPLAMA Vol. 2 No. 3 (2025): TOPLAMA
Publisher : PT Altin Riset Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61397/tla.v2i3.351

Abstract

The objective of this study is to design and test a small-scale gold melting furnace with a capacity of 1 kg that is capable of producing high enough temperatures to melt gold efficiently. The gold smelting process requires a significant amount of energy, making the selection of the appropriate furnace type and accurate temperature control crucial for optimizing energy efficiency and smelting results. This study involves the design of an induction heating-based smelting furnace, chosen for its efficiency in rapid and uniform heating. The melting process was carried out by heating the gold ore until it reached the melting point of gold at approximately 1064°C, while measuring the energy required during the process. The results of the study indicate that the total energy required to melt 1 kg of gold is approximately 197,531 joules.
Optimalisasi Pojok Baca untuk Meningkatkan Minat dan Kemampuan Literasi Siswa di Sekolah Dasar Barorroh, Noer Laelly; Abdul Ghofur, Taufik; Nofiyanti, Estin; Muna Meilani, Sri; Diana, Milah; Ari Ramadhani, Regita; Febriani, Aulia; Wagiman, Acep
JITER-PM (Jurnal Inovasi Terapan - Pengabdian Masyarakat) Vol. 3 No. 2 (2025): JITER-PM
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/jiter-pm.v3i2.6661

Abstract

Kemampuan literasi merupakan keterampilan penting yang harus dimiliki siswa dalam menghadapi tantangan di era disrupsi digital. Namun, minat dan kemampuan literasi siswa sekolah dasar saat ini masih tergolong rendah. Salah satu penyebabnya adalah tingginya keterlibatan siswa dengan media sosial serta kurangnya pembiasaan membaca sejak dini. Kegiatan ini bertujuan untuk meningkatkan kemampuan literasi siswa melalui program “Pojok Baca” yang dilaksanakan di Sekolah Dasar Terpadu Bojong Nangka, Kabupaten Tasikmalaya. Metode yang digunakan meliputi observasi awal, pelaksanaan pre-test AKM literasi, implementasi pojok baca, dan post-test AKM untuk mengukur hasil intervensi. Hasil Kegiatan menunjukkan adanya peningkatan signifikan kemampuan literasi siswa, di mana jumlah siswa yang memperoleh skor tinggi (80–95) meningkat dari 2 orang menjadi 18 orang. Kegiatan pojok baca terbukti efektif dalam menumbuhkan minat baca serta meningkatkan kemampuan literasi siswa secara aplikatif.
Tensile, Bending Testing on Straw Fiber Composites 00 and 900 Angle Orientations with Polyester Matrix Gundara, Gugun; Nifal Nugraha; Wagiman, Acep
Jurnal Multidisiplin Madani Vol. 4 No. 1 (2024): January, 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/mudima.v4i1.7731

Abstract

Currently, the development of science and technology continues to develop in all fields, such as vehicle construction, building construction, industry, and also the field of materials engineering, especially composites. Composite materials generally consist of two elements, namely fibers as a filler and a binding material for these fibers which is called a matrix. In composites, the main element is fiber, while the binding material uses polymer material which is easy to form and has high binding power. The aim of this research is to determine the effect of straw fiber length oriented at 0° and 90° angles in polyester matrix composites on tensile and bending strength. The influence of straw fiber length provides a value for maximum tensile strength with a value of 28.604 Mpa with a fiber length of 15 mm and an angle of 0°. Meanwhile, the angle direction of 900 has a greater value at a fiber length of 10 mm, amounting to 19.619 MPa. The influence of straw fiber length provides a value for maximum bending strength with a value of 86.29 MPa with a fiber length of 10 mm and an angle of 0°. Meanwhile, the maximum tensile strength value at an angle of 900 with a fiber length of 15 mm is 40.02 MPa
Co-Authors Abdul Ghofur, Taufik Aditama, Raihan Geraldy Amna, Aldi Mustafid Ari Ramadhani, Regita Darmawan Darmawan Dewi Nurjanah Diana, Milah Estin Nofiyanti FEBRIANI, AULIA Gugun Gundara, Gugun Illena Karel, Maria Islami Dini, Nurul Aeni Julio Purnomo, Andhika Mujiarto, Mujiarto Muna Meilani, Sri Nia Daniati Nifal Nugraha Noerlaelly Barorroh Taufik Abdul Ghofur Oktaviani, Tesa Pratiwi, Mega Silvia Purnomo, Andhika Julio Riyadi, Anita Nurlaeli Rizki, Chandra Muhammad Suciani, Ai Yuni