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All Journal Jurnal MESIL (Mesin Elektro Sipil) ABDI SABHA (Jurnal Pengabdian kepada Masyarakat)
Al Qadry
Program Studi Teknik Mesin, Jurusan Teknik Mesin, Politeknik Negeri Medan
Religion Arts Humanities Civil Engineering, Building, Construction & Architecture Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Pengaruh Temperatur terhadap Kekuatan Impak pada Material Besi Nako 10 mm Saragi J F HT; Pratama A B; Boangmanalu E P D; Al Qadry; Sinaga F T H
Jurnal MESIL (Mesin Elektro Sipil) Vol. 4 No. 1 (2023): Jurnal MESIL (Mesin Elektro Sipil)
Publisher : Cered Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/jm.v4i1.886

Abstract

Each material has a different type of toughness, such as the type of 10 mm nako iron material. In use, the material can be damaged. One of the factors that can cause damage is temperature. To find out how the effect of temperature on the material, one of the material tests was carried out, namely impact testing with the charpy method. This impact test is carried out on materials that have been given different temperature variations. There are 6 test specimens used at different temperatures. As a result, at the highest temperature, namely at 31 oC, the absorbed energy is 180.84 J with an impact price of 180.84 J/cm2 and at a low temperature, namely at 4 oC, the absorbed energy is 256.8 J with an impact price of 256 .8 J/cm2.
Pelatihan dan Pendampingan Teknik Pengelasan sebagai Upaya Peningkatan Kemampuan Praktik Siswa SMK Samudera Indonesia Medan Jandri Fan HT Saragi; Eka Putra Dairi Boangmanalu; Angga Bahri Pratama; Al Qadry Al Qadry; Franklin Taruyun Hudeardo Sinaga
ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) Vol. 4 No. 2 (2023): Juni
Publisher : CERED Indonesia Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/jas.v4i2.887

Abstract

The purpose of this PkM is to provide training and assistance regarding basic welding techniques that are useful for increasing student competence in welding. This training and mentoring in welding techniques serves as a provision for students to enter the world of work and entrepreneurship for SMK graduates as well as assisting the productive process of SMK students who lack funds and practicum facilities to improve their competence in the field of welding. The method used to solve the problems that occur is to use the survey method at SMK to obtain PkM data as needed, formulate training materials, schedule time-related training implementations, arrange instructors who will provide training, make activity evaluation designs, carry out training and mentoring activities Welding techniques were attended by students of SMK Samudra Indonesia, welding teachers, students and lecturers of Mechanical Engineering at the Medan State Polytechnic. The results of the PkM implementation are as follows: Welding skills that can equip SMK students to enter the world of work are being able to operate a welding machine properly and being able to connect plates using welding. The responses from SMK students who took part in the training and assistance from the Medan State Polytechnic Mechanical Engineering Study Program were as follows: they were happy because they had acquired welding skills that they had not mastered to their full potential and the teachers hoped that next year they could continue with other programs.
Analisis Efisiensi dan Efektifitas Laju Perpindahan Panas pada Alat Heat Exchanger tipe Double Pipe dengan Aliran Searah: Indonesia A B Pratama; Al Qadry; J F HT Saragi; E P D Boangmanalu; F T H Sinaga; Kadriadi
Jurnal MESIL (Mesin Elektro Sipil) Vol. 4 No. 2 (2023): Jurnal MESIL (Mesin Elektro Sipil)
Publisher : Cered Indonesia Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53695/jm.v4i2.890

Abstract

Double pipe heat exchangers have been widely used in various fields, one of which is in the industrial. The design of this heat exchanger has undergone many changes and modifications. This aims to get efficiency and effectiveness so that it can achieve maximum work on the tool. The focus of this research is to calculate and analyze the efficiency and effectiveness of the rate of heat transfer in a double pipe type heat exchanger with unidirectional flow. The data collection method was direct observation of the device, with an interval of two minutes for each test. The results of this study indicate that the effect of time variation on Vh = ±700 l/h, Vc = ±500 l/h fixed on the double pipe type, it can be concluded, at 2 minutes with Vh = ±700 l/h, efficiency is obtained 1.46% and effectiveness = 0.476. The longer the time in data retrieval, the efficiency increases. This can be seen in the table of research results, at 8 minutes Vh = ±700 l/h, efficiency = 1.478% and effectiveness = 0.919.
Co-Authors A B Pratama Angga Bahri Pratama Boangmanalu E P D E P D Boangmanalu Eka Putra Dairi Boangmanalu F T H Sinaga Franklin Taruyun Hudeardo Sinaga J F HT Saragi Kadriadi Saragi J F HT Saragi, Jandri Fan HT Sinaga F T H