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Nozel : Jurnal Pendididikan Teknik Mesin
Published by Universitas Sebelas Maret
ISSN : -     EISSN : 2656713X     DOI : https://doi.org/10.20961/nozel
Core Subject :
NOZEL : Jurnal Pendidikan Teknik Mesin is a national forum for the publication and dissemination of original work which contributes to greater scientific understanding of the main disciplines underpinning the mechanical engineering and vocational education. This international journal is dedicated to the latest advancements in mechanical engineering and vocational education. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of mechanical engineering and vocational education. This journal is published in the online journal, which publishes research articles, reviews, and letters in all areas of mechanical engineering and vocational education. It is a blind peer-reviewed journal, aims to provide the most complete and reliable source of information on current developments in the field. The emphasis will be on publishing quality papers rapidly and available to researchers worldwide.
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Articles 8 Documents
 1 
Search results for , issue "vol 3, no 4 (2021)" : 8 Documents clear
Pengembangan Modul Praktikum Berbasis Projek Pabrikasi Komposit Dengan Metode Hand Lay Up Maulana Fikri; Yuyun Estriyanto; Danar Susilo Wijayanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63122

Abstract

The purpose of this study is to develop composite learning practicum module based on project based learning at hand lay-up fabrication materials. This study means to fulfill the needs of composite subject at Mechanical Engineering Education Department in Faculty of Teacher Training and Education Sebelas Maret University. The method used in this study is the development based on the ADDIE (Analysis-Design-Development-Implement-Evaluate) model. Students of Mechanical Engineering Education Department are subject of this study. Questionnaire technique is used for Data collection. This method and technique are carried out to assess the development of composite practicum module content in terms of material, pedagogic, and language. Quantitative analysis techniques was conducted based on the the answers to the questionnaires. This study have an outcome to make even better composite practicum module with enhanced material, pictures, and evaluation. The rating score obtained from subject is 47,61 with very good criteria. The conclusions of this study are: (1) the development of composite learning practicum module based on project based learning has been done with eligibility standard. Therefore, it suitable as a guidebook for doing a proper composite practicum at Mechanical Engineering Education Department. (2) the developed composite learning practicum module has been done through FGD with lectures, then it being implemented on composite practicum activities, and it was rated by subject with average score 47,61 out of 52 that shows very good criteria. This developed practicum module is expected as a guidebook to help students doing proper composite practicum from preparation, analysis, self manufacturing, and able to improve abilities and skills.
Pengaruh Variasi Jumlah Sudu Dan Jarak Sudu Dengan Saluran Keluar Terhadap Daya Output Listrik Turbin Vortex Yusron Nur Faizal; Danar Susilo Wijayanto; Yuyun Estriyanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63123

Abstract

Hydroelectric power is one of the options in utilizing renewable energy. The generators that are made usually use waterfalls. Low water flows such as rivers have not been utilized optimally. This becomes a reference for utilizing river flow by turning it into a whirlpool or vortex flow. This study analyzes the effect of variations in the number of blades and the distance between the blades and the outlet on the electrical output power of a vortex type water turbine. The research method used is experimental. The independent variables are variations in the number of blades 2, 3, and 4 and variations in the distance between the blades and the outlet 4 cm, 6 cm, 8 cm, and 10 cm. The dependent variable of the research is the output power and efficiency of the vortex type water turbine. Data analysis techniques using quantitative descriptive analysis techniques. The results showed that the maximum data for calculating the electrical output power and efficiency with a water discharge of 6.34 L/s was obtained at the number of blades 4 and the distance between the blades and the outlet 6 cm, namely 9.72 Watt and 65.77%. Based on these results indicate that the more the number of blades, the higher the electrical output power produced. Meanwhile, the variation of the distance between the blade and the outlet increases at a height of 6 cm and relatively decreases at a height of 8 cm and 10 cm.
Studi Perbandingan Bahan Bakar Minyak Dengan Bahan Bakar Gas LPG (Liquified Petroleum Gas) Terhadap Konsumsi Bahan Bakar Sepeda Motor 4 Tak 125 CC Windia Pebrianto; Husin Bugis; Ranto Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63124

Abstract

Liquified Petroleum Gas is a gaseous hydrocarbon produced from gas and oil with the main components being propane and butane. The use of LPG gas fuel was chosen because it is able to reduce the amount of fuel consumption by up to 30% more efficient than fuel oil in general. The use of LPG fuel can be optimized by modifying the size of the pilot jet, the size of the main jet and the gas flow valve opening on the regulator. The purpose of this study was to investigate how big the ratio of fuel consumption between LPG fuel and pertalite fuel is. This study used Honda Supra 125 D as a sample. The variables used in this study include: variations in the size of the pilot jet (40, 42, 45), variations in the size of the main jet (72, 98, 120) and the gas flow valve opening on the regulator (10%, 15%, 20%). The results showed that the lowest LPG fuel consumption value was obtained at 156.5 grams per 10 kilometers, while the pertalite fuel consumption value was obtained at 232.9 grams (after converting from liters to grams). The most influential factor is the replacement of the main jet size on the use of LPG fuel.
Pengaruh Desain Magnet Pada Rotor Generator Dan Variasi Kecepatan Angin Terhadap Energi Listrik Yang Dihasilkan Oleh Turbin Angin Sumbu Horizontal Skala Mikro Mohamad Ulil Albab; Husin Bugis; Herman Saputro
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63007

Abstract

Energy use in Indonesia is increasing while energy reserves in Indonesia are running low. In an effort to meet energy needs in Indonesia, there must be the development of renewable energy sources by utilizing wind energy to be converted into electrical energy using a horizontal wind turbine generator. To optimize the wind turbine generator, you can change its parameters, one of which is by changing the design of the generator magnet.            The method used in this study is an experimental method, where the variables used in this study are the design of the magnet skew, the design of the interior magnet and the design of the magnet surface. This research was conducted at wind speeds of 1 m/s to 5 m/s using a wind tunnel. Tests were carried out using 12 V and 24 V lamp loads and no-load tests to determine the power generated by each generator.            The results of the research are the design of the magnet on the generator rotor and variations in wind speed affect the power produced by the wind turbine, the magnetic skew produces a power of 0.974 W, the interior magnet produces a power of 0.674 W and the surface magnet produces a power of 1.386 W. Tests without load and speed variations The wind affects the power produced by the wind turbine, where the power at the generator cannot be calculated. Tests with loading and wind speed variations affect the power produced by the wind turbine, where each loading test has various results such as when a load is given to the magnetic surface design at a wind speed of 5 m/s with a loading of 24 V producing a power of 1.386 W.
Integrasi SWOT Kuantitatif Dan Kualitatif Untuk Menyusun Perencanaan Strategis Bidang Pendidikan (Studi Kasus Di Eks-Jurusan Pendidikan Olahraga Dan Kesehatan (JPOK) Dan Eks-JurusanIlmuPendidikan FKIP UNS Surakarta) Husain Musthofa; Suharno Suharno; Yuyun Estriyanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63344

Abstract

This study aims to determine (1) the position of the quadrant in each study program in the Ex-POK Department and the Ex-Department of Education using a SWOT analysis (2) (Strength Weakness Opportunity Threath) to plan strategic planning for the ex-POK and ex Department of Education as an effort to improve the quality of education. This study uses a quantitative qualitative approach with a population consisting of lecturers, students, and alumni of the last five years in each study program. The sampling technique uses purpose sampling. Data collection uses questionnaires / quisioners, observation and documentation. Data analysis using flow model techniques. The results showed that the Primary School Teacher Education Program, Guidance and Counseling and Physical Education, Health and Recreation Education were in quadrant I using a progressive planning strategy in the three study programs based on the results of the SWOT analysis: (1) HR capacity improvement. (2) Making the student achievement program (the most outstanding student) a superior program for students. (3) Implement curriculum in a disciplined and responsible manner. (4) Increasing international journal publications for elementary school teacher education study program lecturers. (5) Periodically improve maintenance of infrastructure. (6) Conduct an analysis of budget requirements to draft a budget. (7) Applying work based learning in student learning. (8) Develop a clear SOP for the study program management organization. (9) Improve communication between universities and the world of work. (10) Improve the performance of the multimedia team and information in the study program. (11) Improving cooperative relations with partner institutions. (12) Establish cooperation with the government in the regions to distribute study program graduates.
Studi Penelitian Panjang Kritis Serat Alam Dengan Perlakuan Perendaman Natrium Hidroksida Rangga Yanuarestu Ramadhan; Yuyun Estriyanto; Budi Harjanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63009

Abstract

The purpose of this study was to determine the critical length of palm fiber, kenaf fiber, pineapple fiber, agave fiber, and coconut fiber with NaOH immersion treatment. This study was determine the effect of NaOH immersion treatment on the critical length of fiber. This research is an experimental exploratory research. The independent variables in this study were palm fiber, kenaf fiber, pineapple fiber, agave fiber, and coconut fiber with the dependent variable is the critical fiber length. To find the critical length of fiber using single fiber tensile test and single fiber pull out test. The data obtainde from the test results are then analyzed using formula equation to determine the critical length of each fiber. Data analysis techniques using quantitative descriptive analysis techniques. The results showed that the critical length of palm fiber, kenaf fiber, agave fiber, and coconut fiber with NaOH immersion treatment was shorter than the critical length of fiber without NaOH immersion treatment. Agave fiber has the shortest critical fiber length. The critical length of the fiber with NaOH immersion treatment are palm fiber 4.6 mm, kenaf fiber 5.4 mm, pineapple fiber 3.6 mm, agave fiber 2.2 mm, and coconut fiber 3.0 mm. 
Evaluasi Kinerja Lulusan Program Studi Pendidikan Teknik Mesin Universitas Sebelas Maret Di Dunia Kerja Agus Hardika; Yuyun Estriyanto; Indah Widiastuti
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63018

Abstract

Evaluation of the performance of study program graduates in the world of work is one indicator of higher education quality. The high performance of graduates and their relevance to the needs of the world of work indicate a good quality higher education. The purpose of this study is to evaluate the performance of graduates of Sebelas Maret University Mechanical Engineering Education (PTM UNS) in the world of work. So that the results obtained as a priority reference for learning development in study programs and students. This research is quantitative descriptive. It is carried out through a tracer study of graduate data and a survey of graduate users. The subjects of this research include UNS PTM graduates who graduated in 2016, 2017 and 2018 as a source of tracking data for graduates and 80 graduate users as a source of satisfaction survey data and the level of importance of the formulated Graduate Learning Outcomes (CPL). Data collection techniques were carried out through the method of filling out the questionnaire instrument questionnaire. The analysis was carried out using quantitative descriptive statistical analysis techniques using the SPSS V.21 data processing application. The results of this study show profile data for PTM UNS graduates, namely the average graduate with a very satisfactory predicate (GPA 3.46) with an average study period of 4 years and 2 months. Most (56%) work as educators, with a high level of suitability of work with the field of science 47.5%; 38.9% moderate and the remaining 13.6% low. The average waiting time for the first job after graduation is less than 6 months (76.5%). Furthermore, for the results of the graduate user satisfaction survey, the average total satisfaction is 4.28 (very satisfactory). With an importance level of 12 Graduate Learning Outcomes (CPL), 11 of them are in the very important category and one is in the important category (T8). Objectively, users are satisfied with the performance of graduates, but subjectively researchers need to propose development priorities for study programs based on the value of the level of satisfaction which is below the total average value. The conclusion in this study shows that the performance of graduates of the PTM UNS study program has been good or satisfactory. However, there is a need for a program to improve the quality of graduate performance in the communication and professional aspects. It is hoped that the study program will be able to improve the quality of these two aspects through improving the quality of learning, infrastructure and learning facilities as well as improving the quality of educators/lecturers.
Pengaruh Variasi Sudut Kemiringan Dan Debit Air Terhadap Daya Dan Efisiensi Turbin Air Vortex Fadillah Abdul Ayiz; Danar Susilo Wijayanto; Yuyun Estriyanto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63014

Abstract

The vortex turbine is a moving turbine using artificial whirlpools that will then be converted into alternate energy turbines on the axis. The purpose of this study is to find out how high the Angle of skeleton tilt and dissipation of water affects the electricity and efficiency generated by vortex's water turbines. This study is using experimental methods. The study involves a few steps by preparing water turbines, sets up tools, data retrieval, and data analysis. The research free variable is a variant of the Angle of the skeletal tilt at 0, 5, 10 and a discharge of water at 6.34 l/s, 7.41 l/s, and 8.29 l/s. The bound variables of research are vortex's type of electric power and electricity efficiency. The research control variable is vortex turbine blade and vortex water turbine. The research instrument used is multimeter-based arduino, flowmeter-based arduino, tachometer, bow and digital balance. Data analysis techniques using quantitative descriptive analysis. The test conducted based on variations of water discharge at 6.34 l/s, 7.41 l/s, and 8.29 l/s and skeletal variant turbine gradient at 0, 5, and 10 of the power and efficiency of the turbines generated. Research shows that the maximum data of electrical calculation is obtained on water-discharge at 8.29 l/s with a tilted point 10 which was 10.3 watts, while the maximum efficiency data is obtained on water-diacharge at 8.29 l/s with a tilted point 10 which was 42.9%.

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