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All Journal Nozel : Jurnal Pendididikan Teknik Mesin
Husin Bugis
MECHANICAL ENGINEERING EDUCATION PROGRAM The Faculty of Teacher Training and Education Sebelas Maret University

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UJI EKSPERIMENTAL EFISIENSI TERMAL SERPENTINE SOLAR WATER HEATER DENGAN LAJU ALIRAN AIR 1 LPM Yustisia Ahnaf; Nugroho Agung Pambudi; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 2 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i2.75815

Abstract

Solar water heater is a device that uses solar collectors to absorb solar radiation and convert it into heat energy to heat water. The type of solar collector and the water flow rate used affect the thermal efficiency of the solar water heater. This research uses a solar water heater with a serpentine configuration of copper pipe material and applies a water flow rate of 1 lpm. The purpose of this research is to determine the effect of water flow rate on the thermal efficiency produced by solar water heater with serpentine configuration. The type of research is quantitative research, with experimental methods. This research was conducted at Campus V, Sebelas Maret University Surakarta for 3 days starting at 09.00 to 15.00 WIB. The test results of the serpentine solar water heater with a water flow rate of 1 lpm produced the highest temperature reaching 43.42 ͦC and had a thermal efficiency of 46.14%.
PENGARUH PRE-HEATING PADA PIROLISIS BIOMASSA LIMBAH AREN TERHADAP CHAR PADA REAKTOR HORIZONTAL MODEL CONTINUOUS Roli Russiadi; Herman Saputro; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 1 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i1.72188

Abstract

Utilization of palm waste in the form of charcoal briquettes makes the fuel more efficient and in a better form. Thus, charcoal briquette fuel with sugar palm waste is a solution or alternative to solving the waste problem caused by palm trees. This research was conducted with the aim of knowing the effect of pre-heating on the pyrolysis process of palm sugar waste biomass on gas fraction, bio-oil and char. This study used an experimental method conducted in the Mechanical Engineering Education Laboratory of Sebelas Maret University. The research variable is the variation of pre-heating time in the pyrolysis of palm waste biomass against gas fraction, bio-oil and char in a continuous model horizontal reactor. The result of this study is that pre-heating has an effect on the gas fraction. The longer the pre-heating process is carried out, the lower the amount of O2 gas produced. Pre-heating affects the char, so the quality and quantity can be measured.
ANALISA PERBANDINGAN KNALPOT STANDAR DAN KNALPOT FREE FLOW TERHADAP PERFORMA MESIN 4 LANGKAH 155 CC Satrio Galuh Dewanto; Ranto Ranto; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 1 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i1.72284

Abstract

Motor performance is one of the things that must be considered in motorized vehicles. Motor performance also influences the type of exhaust system, namely the muffler. Many people don't know how big the influence of the exhaust free flow on engine performance. In this study using Yamaha Nmax Old 2016. The aims of this study were: (1) To find out the difference in torque and power produced by a motorbike between the use of a standard NMAX 155 CC exhaust and a standard exhaust free flow. (2) Knowing the difference in fuel consumption produced by motorcycles between the use of a standard NMAX 155 CC exhaust and exhaust free flow. (3) Knowing the difference in exhaust emissions produced by motorbikes between the use of the standard NMAX 155 CC exhaust and the exhaust free flow. The research method used is experimental. The data for this study were obtained by measuring a sample of the Yamaha NMAX Old 2016 motorcycle. The independent variables were the standard exhaust and the exhaust free flow. The dependent variables are torque, power, fuel consumption and exhaust emissions. The data obtained were then analyzed using quantitative descriptive techniques by describing them in the form of graphs and tables. The results of this study are: (1) Use of Muffler free flow has a lower effect on the torque and power generated by the Yamaha NMAX Old 2016 motorcycle. (2) Use of Muffler free flow has a higher effect on fuel consumption produced by Yamaha NMAX Old 2016 motorbikes. (3) Use of Muffler free flow has an influence on increasing levels of exhaust emission content produced by Yamaha NMAX Old 2016 motorbikes.
EVALUASI PROGRAM PRAKTIK INDUSTRI MAHASISWA PENDIDIKAN TEKNIK MESIN FKIP UNS PADA INDUSTRI OTOMOTIF MENGGUNAKAN MODEL CIPP Adhi Wardhana; Muhammad Akhyar; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 1 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i1.72193

Abstract

The objective of this research is to determi ne the quality of: (1) Context of the Industrial Practice Program, comprise (a) the objectives of Industrial Practices, (b) the vision and mission of the Study Program, (c) the condition of students, (d) the condition of the Study Program; (2) Input of the Industrial Practice Program, comprise (a) preparation before implementing of the Industrial Practices; (3) Process of the Industrial Practice Program, comprise (a) the role of students, (b) the role of supervisors, (c) the role of industry advisers, (d) the role of industry employees; (4) Product of the Industrial Practice Programs, comprise (a) student skills, (b) practical knowledge, (c) student personality, (d) innovative student experience, (e) student satisfaction, (f) industry satisfaction. The population of the research ware students of Mechanical Engineering of Education Study Program Sebelas Maret University and industry. The sample of the research using purposive sampling technique were automotive industry and automotive concentration students of mechanical engineering of education was implementing the Industrial Practice for 2017 and 2018 periods. This research using an evaluative method with CIPP (Context, Input, Process, Product) design. Data collection techniques using questionnaires and interviews. The validity technique in this research is logic validity. The data analysis technique of this research is average analysis which was assessed based on the research criteria. The results showed that: (1) Context of the Industrial Practice Program classified as high, comprise (a) the objectives of the Industrial Practice, (b) the vision and mission of the Study Program, (c) the condition of students, (d) the condition of the Study Program;(2) Input of the Industrial Practice Program classified as high, comprise (a) preparation before implementing of the Industrial Practices; (3) Process of the Industrial Practice Program classified as high, comprise (a) the role of students, (b) the role of supervisors, (c) the role of industry advisers,(d) the role of industry employees; (4) Product of the Industrial Practice Program classified as very high, comprise (a) student skills, (b) practical knowledge, (c) student personality, (d) innovative student experience, (e) student satisfaction, (f) industry satisfaction.
PENGARUH JUMLAH SUDU TERHADAP DAYA DAN EFISIENSI TURBIN AIR CROSSFLOW UNTUK PEMBANGKIT LISTRIK TENAGA PICO HIDRO Kukuh Lintang Pradisha; Husin Bugis; Danar Susilo Wijayanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 2 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i2.72139

Abstract

Indonesia has the potential for water energy that can be utilized as a pico-scale hydroelectric power plant or PLTPH. Water is a renewable energy (EBT) which has the potential to be developed in Indonesia due to the geographical conditions that have a lot of water in mountainous areas as well as irrigation for residential areas. Water turbines can convert water energy into electrical energy. One type of turbine that can be utilized is a crossflow water turbine. This study aims to determine the effect of the number of blades with the use of a nozzle on the power and efficiency of the turbine produced by the crossflow water turbine. The study used experimental methods, the data obtained were analyzed using quantitative descriptive analysis techniques. Variations in the number of blades used in the study were blades with a total of 18 blades, 20 blades, and 22 blades, as well as variations in the angle of attack of the nozzle used, namely 20⁰, 25⁰, 30⁰, 35⁰, and 40⁰. The results showed that there was an effect of using the number of blades and nozzle diameter. The power and efficiency of the turbine fluctuate based on the water discharge. The highest data was obtained at a water discharge of 25.33 l/m, namely using a number of 22 blades using a nozzle diameter of 7 mm to produce 9.47 watts of electric power with an efficiency of 58%.
INVESTIGASI EKSPERIMENTAL PEMANAS AIR TENAGA SURYA SISTEM TRICKLE BERBAHAN POLIKARBONAT VARIASI LAJU ALIRAN 2 LPM Alisya Eka Putri; Nugroho Agung Pambudi; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 2 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i2.72232

Abstract

Solar energy is one of the most impactful renewable energy sources and has great potential compared to other energy sources. The use of solar energy can be maximized by using solar panel technology and solar collectors. One example is a solar water heater. Polycarbonate is a good material to be applied to solar water heaters because it has good mechanical properties and is corrosion resistant. This study aims to analyze the performance of a polycarbonate solar water heater with a trickle system using a flow rate of 2 l/m. This type of research is quantitative with experimental research methods. This research was conducted by flowing water through a solar water heater and taking data from 08.00-15.00 with 3 repetitions to obtain accurate results. Data were collected by recording the temperature at the inlet, outlet, collector, top collector, environment, intensity of solar radiation, and wind speed. The data obtained were analyzed to find collector efficiency, fluid efficiency and total efficiency. Based on the research results, this solar water heater is capable of producing water temperatures up to 40.5°C with temperature changes of up to 7.2°C. This solar water heater is able to produce a collector efficiency of up to 52%, and a total efficiency of 37%.
PENGEMBANGAN E-MODUL MATA KULIAH MOTOR BAKAR DENGAN METODE 4-D DI PRODI PENDIDKAN TEKNIK MESIN UNIVERSITAS SEBELAS MARET Muhammad Reidho Ilham Azhari Azhari; Ranto Ranto; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 4 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i4.72274

Abstract

The development of science and technology is currently very developed with a lot of development in various fields, one of which is in the field of education, with the development of science in the world of education making it easier for all sectors in education, especially in the educational process, making it easier for students or students to learn and making it easier for educators to harden learning to be more enjoyable. This research has the objective, namely: to develop teaching materials in the combustion motor course that are adjusted to meet the needs and characteristics of students. The research method used in this research is teaching material research using the 4d development model adopted from Thiagarajan, et al (1974) which consists of 4 stages, namely define, design, develope and disseminate or can also be interpreted with 4p as follows: pendefinisian, perancangan, pengembangan, dan penyebaran. The data collection technique in this study uses a validation method consisting of questionnaire validation and expert validation (material expert validation, media expert validation, and linguist validation), This research also uses the focus group discussion method with various experts in their fields.Based on the results of the research obtained in the research on the development of the e-module of the combustion motor course, it shows that the results of expert validation carried out get decent Sanagat results with validation results from several aspects, namely: material expert validation shows the average result of the assessment with a percentage result of 90% (very feasible), expert validation shows the average result of the assessment with a percentage result of 97% (very feasible), linguist validation shows the average result of the assessment with a percentage result of 90% (very feasible) From the various validations carried out also received criticism / suggestions / input from various experts who assessed the improvement of the e-module. The results obtained from the focus group discussion conducted with experts in the field of automation produced several points of view on the electronic module of this combustion motor in the form of advantages and disadvantages so that improvements must still be made to the module, so that this electronic module of the combustion motor is carried out in a limited distribution in the Mechanical Engineering Education Study Program, Sebelas Maret University, Surakarta.
PENGARUH PENGGUNAAN ECU RACING TERHADAP KINERJA SEPEDA MOTOR 4 LANGKAH 150 CC DENGAN VARIASI OKTAN BAHAN BAKAR PERTAMAX Devangga Rizqi Fardhana; Ranto Ranto; Husin Bugis
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 3 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i3.72250

Abstract

Technological advances in the automotive sector have made the automotive industry issue an injection ignition system that uses the ECU which makes ignition timing and fuel injection more precise.  In this study, the replacement from the standard ECU to the Racing ECU was carried out with variations in Pertamax RON 92 and RON 98 fuels, which is expected to increase the power and torque of the engine. The research showed that use of the Standard ECU and use the Pertamax 98 fuel had more effect on torque. While, use the ECU Racing and Pertamax 98 fuel has more effect on vehicle power.
Co-Authors Adhi Wardhana Alisya Eka Putri Danar Susilo Wijayanto Devangga Rizqi Fardhana Herman Saputro Kukuh Lintang Pradisha Muhammad Akhyar Muhammad Reidho Ilham Azhari Azhari Nugroho Agung Pambudi Ranto Ranto Roli Russiadi Satrio Galuh Dewanto Yustisia Ahnaf