Article Per Year (5 Year)
p-Index From 2020 - 2025
0.817
P-Index
This Author published in this journals
All Journal Rekayasa Mesin Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin)
Muhamad Maris Al Gifari
Universitas Pendidikan Indonesia
Education Mechanical Engineering

Published : 4 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 4 Documents
Search

 1 
DEVELOPMENT OF ANDROID-BASED LEARNING MEDIA TO IMPROVE STUDENT UNDERSTANDING IN DIESEL MOTOR COURSES Khoer, Miftahul; Mubarak, Ibnu; Al Gifari, Muhamad Maris
Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) Vol 8, No 2 (2021): Desember 2021
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmee.v8i2.41029

Abstract

This study aims to create an android-based learning media that is feasible to be applied in research and used in assisting the learning process and to determine the effect of using learning media in increasing student understanding of Diesel Motor courses, this is because face-to-face learning is replaced by online learning The two-way learning process is difficult to do and causes a lack of understanding of students regarding Diesel Motor courses, to overcome this, interesting and interactive learning media are needed. The method in this study uses RD (Research and Development) with a learning media development model in the form of ADDIE (Analysis, Design, Development, Implementation, Evaluation), and uses aresearch one group pretest posttest design. The sample in this study used a purposive sampling technique with the research subject of 2019 Automotive Engineering Education undergraduate students who were contracting Diesel Motor courses, researchers took a sample of 40 people. The learning media products that have been made are suitable for use based on the validation of material experts and media experts with very feasible categories. The results of this study indicate an increase in learning outcomes when viewed from the average pre-test score of 31.20 and the average post-test score of 37.80 as well as the acquisition of a significance test using the t-test (Paired Sample t-test). with a significance value of 0.000, this increase is caused by the use of learning media that has been made, so the use of this learning media has a good impact in increasing student understanding of the Diesel motor course, in addition, this learning media also adds insight to students in using technology, especially Android for learning purposes.
DEVELOPMENT OF ANDROID-BASED INTERACTIVE MULTIMEDIA AS TEACHING MATERIALS FOR THE IC REGULATOR FILLING SYSTEM Mulyana, Yana; Mubarak, Ibnu; Al Gifari, Muhamad Maris
Journal of Mechanical Engineering Education (Jurnal Pendidikan Teknik Mesin) Vol 9, No 1 (2022): Juni 2022
Publisher : Universitas Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jmee.v8i2.40963

Abstract

The purpose of this research is to produce android-based interactive multimedia that is feasible as a learning medium with a good response from students on the IC regulator charging system material. The method used in this study is Research and Development (RnD) with the ADDIE development model. The population in this study were students of the automotive engineering education study program and the automotive engineering concentration mechanical engineering study program. The sample in this study was 40 students of the automotive engineering education study program class of 2019. The research instrument used is a structured questionnaire. The results of the validation of the material experts get a percentage value (89%) from the learning aspect, content aspect and evaluation aspect. The results of the validation of media experts get a percentage value (91%) from the display aspect and the programming aspect. The results of student responses get a percentage score (85%) from the aspect of quality of content and objectives, aspects of instructional quality and aspects of technical quality. Interactive multimedia was declared very feasible according to material experts and media experts and received good responses from students.
DESAIN AWAL RUANG BAKAR PREMIXED UNTUK TURBIN GAS ULTRA MIKRO (TGUM) DENGAN MENGGUNAKAN PENDEKATAN TEMPERATUR ADIABATIK Al Gifari, Muhamad Maris; Hartono, Firman; Darmanto, Prihadi Setyo; Reksowardojo, Iman Kartolaksono
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1613

Abstract

The need to develop ultra-micro gas turbine (TGUM) applications is getting higher, especially as a portable energy source. Many applications whose energy requirements cannot be met by current batteries but can be handled by TGUM. The energy density of kerosene is 45 times greater than that of current batteries. The development of ultra-micro gas turbines has been carried out for more than 20 years. The challenge faced in the TGUM development process was manufacturing technology, but manufacturing developments continue to advance over time, meaning that one day high-speed bearing technology may be achieved. The development of an ultra-micro gas turbine can be started from the design of the combustion chamber. The basic concept of determining the initial size of the diameter as the initial reference length is widely available and established, but this reference is only for combustion chambers with non-premixed combustion. No one has discussed the determination of the size of the premixed combustion chamber. The basis for the initial determination of the combustion chamber in this article is the determination of the adiabatic temperature, and the energy balance equation which is simplified to become Black's Principle. This method describes the relationship between the diameter of the combustion chamber, airflow dilution portion and the flame propagation speed that must be met. This method also determines the value of the equivalence ratio, and also length of combustion chamber based on SHR (Space Heating Rate) that must be taken. The results of this method when entering the condition of the combustion chamber inlet 379 K, 2.05 bar, and outlet 879 K, 1.79 bar produce a reference decision of 5 cm diameter, flame speed of 6 m/s, equivalent ratio of 0.8 and 74% cooling portion for a gas turbine mass flow rate of 85.7 g/s.
DESAIN AWAL RUANG BAKAR PREMIXED UNTUK TURBIN GAS ULTRA MIKRO (TGUM) DENGAN MENGGUNAKAN PENDEKATAN TEMPERATUR ADIABATIK Al Gifari, Muhamad Maris; Hartono, Firman; Darmanto, Prihadi Setyo; Reksowardojo, Iman Kartolaksono
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1613

Abstract

The need to develop ultra-micro gas turbine (TGUM) applications is getting higher, especially as a portable energy source. Many applications whose energy requirements cannot be met by current batteries but can be handled by TGUM. The energy density of kerosene is 45 times greater than that of current batteries. The development of ultra-micro gas turbines has been carried out for more than 20 years. The challenge faced in the TGUM development process was manufacturing technology, but manufacturing developments continue to advance over time, meaning that one day high-speed bearing technology may be achieved. The development of an ultra-micro gas turbine can be started from the design of the combustion chamber. The basic concept of determining the initial size of the diameter as the initial reference length is widely available and established, but this reference is only for combustion chambers with non-premixed combustion. No one has discussed the determination of the size of the premixed combustion chamber. The basis for the initial determination of the combustion chamber in this article is the determination of the adiabatic temperature, and the energy balance equation which is simplified to become Black's Principle. This method describes the relationship between the diameter of the combustion chamber, airflow dilution portion and the flame propagation speed that must be met. This method also determines the value of the equivalence ratio, and also length of combustion chamber based on SHR (Space Heating Rate) that must be taken. The results of this method when entering the condition of the combustion chamber inlet 379 K, 2.05 bar, and outlet 879 K, 1.79 bar produce a reference decision of 5 cm diameter, flame speed of 6 m/s, equivalent ratio of 0.8 and 74% cooling portion for a gas turbine mass flow rate of 85.7 g/s.
Co-Authors Darmanto, Prihadi Setyo Hartono, Firman Ibnu Mubarak Iman Kartolaksono Reksowardojo Khoer, Miftahul Yana Mulyana