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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.
Arjuna Subject : -
Articles 158 Documents
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Pengaruh Desain Magnet Pada Rotor Generator Dan Variasi Kecepatan Angin Terhadap Energi Listrik Yang Dihasilkan Oleh Turbin Angin Sumbu Horizontal Skala Mikro Albab, Mohamad Ulil; Bugis, Husin; Saputro, Herman
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.
PENGAPLIKASIAN TURBIN AIR CROSSFLOW PADA ALIRAN SUNGAI DI KIPAS RIVER TUBING 17, DESA DALEMAN, KECAMATAN TULUNG, KABUPATEN KLATEN, JAWA TENGAH Widiastuti, Indah; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu; Ramadhan, Rizki Ikhsan; Mahendra, Agvendo Heksa; Putra, Rifai Aditya Pratama; Nugraha, Satriya; Putri, Irba' Rizka; Widyawati, Linda; Fadilah, Siti
Nozel : Jurnal Pendididikan Teknik Mesin Vol 6, No 2 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v6i1.88382

Abstract

This Community service program aims to apply a crossflow water turbine in Daleman Village, Tulung Subdistrict, Klaten Regency. This program, conducted by students from the Mechanical Engineering Education Departments of Sebelas Maret University, primarily seeks to harness the renewable energy potential in the area and raise community awareness. The activities included field surveys, system design, turbine installation, and training for villagers on operation and maintenance. The results show that the program increased the community's awareness and understanding of renewable energy and strengthened their capacity to manage and maintain the implemented technology. The collaboration between students, faculty, and the community throughout the program also fostered positive and sustainable relationships. Overall, this community service initiative significantly contributed to achieving energy self-sufficiency and improving the quality of life for the residents of Daleman Village.
STUDI KARAKTERISTIK PROSES PIROLISIS CEPAT RDF-5 BEBRBAHAN DASAR LIMBAH AREN DAN KOPI DENGAN PENGIKAT LIMBAH PLASTIK TERHADAP KUANTITAS BIO-OIL Riswanda, Muhammad; Saputro, Herman; Wijayanto, Danar Susilo
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.v4i4.72277

Abstract

Currently, the Indonesian people are faced with various problems in terms of waste management, both organic and inorganic waste. Some of the wastes that can be used are palm waste, coffee grounds and HDPE plastic waste which can be used as alternative fuels, one of which is through the pyrolysis process. Pyrolysis is a process of chemical decomposition of a material thermally in the absence of oxygen. This pyrolysis process converts RDF-5 biomass into a liquid smoke product in the form of bio-oil. This study aims to determine the quantity of pyrolysis oil through the best variation of the composition ratio used. In this study used composition ratio variables, namely 50%:30%:20%, 40%:40%:20%, and 30%:50%:20%. The results of this study obtained the best quantity from a mixture ratio of 50% palm waste, 30% coffee grounds and 20% HDPE plastic to produce 200 ml. The composition ratio affects the quantity of pyrolysis oil results. RDF-5 from palm waste and coffee grounds with HDPE plastic waste binder produces a quantity that tends to decrease as the composition ratio of palm waste waste decreases.
ANALISIS PERFORMA BOILER BASUKI BERDASARKAN RASIO ANTARA BAHAN BAKAR DAN STEAM DI PT. INDO ACIDATAMA Tbk. Putra, Maedanu Fasola; Wijayanto, Danar Susilo; Pambudi, Nugroho Agung
Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 2 (2019)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i1.28272

Abstract

The research aims to investigate the condition of Basuki boiler based on the ratio between fuel consumption and steam production. The research used quantitative-descriptive method. The population of this research was daily record of Basuki boiler. The sample was daily record of Basuki boiler performance for 1 year (February 2015 to January 2016). The sample was taken using purposive sampling method. The research analyzed the ability of fuel to produce a ton (1000 kilograms) of steam. The ability of fuel was depended on the highest heating value (HHV) and water contain in the coal. Based on the result of the research, it can be concluded that Basuki boiler condition based on its ratio between fuel consumption and steam production was good, because the ratio that shown (144.09) was less than the company’s target (150), it meant that the boiler only used 144.09 kilograms of coal to produce a ton of steam. The average of fuel consumption for 1 year was 1,484.99 kg/h and the average of steam production was 10,305.76 kg/h.
PENGARUH KEAKTIFAN BERORGANISASI DAN KETERAMPILAN KOMUNIKASI INTERPERSONAL TERHADAP INDEKS PRESTASI KUMULATIF MAHASISWA PENDIDIKAN TEKNIK KEJURUAN FKIP UNS Iqbal, Muhammad; Sutrisno, Valiant Lukad Perdana; Ranto, Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 6, No 3 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v6i3.90984

Abstract

This study aims to determine the influence between organizational activeness and interpersonal communication skills both partially and simultaneously on the cumulative achievement index in FKIP UNS Vocational Technical Education students. This study uses a quantitative ex-post facto method. The population in this study is the administrators of the association for the 2023 period from the departments of Mechanical Engineering Education, Building Engineering Education, and Informatics Engineering Education. Sampling in this study uses a total sampling technique with a total of 153 respondents. The data collection technique uses questionnaires and documentation. The data obtained were processed through prerequisite tests consisting of normality tests, linearity tests, and multicollinearity tests. The data met the prerequisite test, a hypothesis test was carried out with multiple linear regression analysis.The results of the study showed that: (1) There is a significant influence of organizational activity and interpersonal communication skills simultaneously on the cumulative achievement index in FKIP UNS Vocational Technical Education students, this is evidenced by the F value calculated 9.354 > F table 3.06 and R square of 11.2%; (2) There was a significant influence of organizational activity on the cumulative achievement index of FKIP UNS Vocational Technical Education students with a calculated t value of 2.385 > t table t 1.65, effective contribution of 5.95% and relative contribution of 53%; (3) There was a significant influence of interpersonal communication skills on the cumulative achievement index of FKIP UNS Vocational Technical Education students with a calculated t value of 2.183 > t table 1.65, effective contribution of 5.25% and relative contribution of 47%. 
PENGARUH KONSENTRASI PEREKAT TERHADAP LAMA BAKAR DARI RDF AMPAS KOPI DAN AMPAS TEBU Ramadhan, Fery Surya; Wijayanto, Danar Susilo; Bugis, Husin
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 4 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i4.50854

Abstract

New and renewable energy (EBT) is a source of energy that can be created by humans by utilizing solid waste from industrial processing. One example of making renewable energy is RDF. Refuse Derived Fuel (RDF) is a form of solid waste utilization that is used from industries and households which have a high calorific value which can be used as a new alternative fuel. RDF is the treatment of waste which is used as an alternative energy material. The materials used to make RDF in this study are coffee grounds and bagasse. For the manufacture of coffee grounds and bagasse are mixed and adhesive is added. The mixture ratio is 100: 0, 30: 70,50: 50,70: 30, and 0: 100 for adhesive concentration using 10%, 20%, and 30%. The finished RDF-5 is tested by testing the burn time. Tests were carried out at the Laboratory of Mechanical Engineering Education, FKIP UNS. The method used an experimental method. The variables examined in this study are the independent variables, the dependent variable and the control variable. The free variation consists of variations between the composition of coffee grounds and bagasse with the following ratios 100: 0, 70:30, 50:50, 30:70, and 0: 100 as well as variations in adhesive concentrations of 10%, 20%, and 30%. The dependent variable consists of burn time. The control variables consist of the RDF-5 printer with a pressure of 6 kg / cm2 and a filter used with a size of 10 mesh. The best test results for burning time are 30 bagasse + 70 coffee grounds mixed with 30% adhesive concentration with a result of 1370 seconds.
Evaluasi Pembelajaran Mikro Menggunakan Model Evaluasi Cipp pada Mahasiswa Peminatan Otomotif Program Studi Pendidikan Teknik Mesin Universitas Sebelas Maret Surakarta Abduh Arohman, Bagas Khotip; Ranto, Ranto Ranto
Nozel : Jurnal Pendididikan Teknik Mesin Vol 8, No 3 (2026)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v8i3.118910

Abstract

This study aims to determine the results of the evaluation of the implementation of the microteaching course in the automotive specialization of the Mechanical Engineering Education Study Program, Faculty of Teacher Training and Education, based on the aspects of context, input, process, and product, as well as the overall evaluation results related to the implementation of the microteaching course in the production engineering specialization of the Mechanical Engineering Education Study Program, Faculty of Teacher Training and Education. This research is a summative evaluation study using a concurrent mixed methods approach with descriptive analysis. Data were obtained through questionnaires and interviews.The results of the study indicate that the microteaching course is an important subject and serves as a distinguishing course between teacher education and non-teacher education programs. The implementation of the microteaching course in the automotive specialization of the Mechanical Engineering Education Study Program, Faculty of Teacher Training and Education, Sebelas Maret University showed that the context aspect was categorized as good with an average score of 4.1. The input aspect was categorized as good with an average score of 3.8. The process aspect was categorized as good with an average score of 4.1. The product aspect was categorized as very good with an average score of 4.2. Overall, the implementation of the microteaching course in the production engineering specialization obtained an average score of 4.1, which falls into the good category.
UJI EKSPERIMENTAL EFISIENSI TERMAL SERPENTINE SOLAR WATER HEATER DENGAN LAJU ALIRAN AIR 1 LPM Ahnaf, Yustisia; Pambudi, Nugroho Agung; Bugis, Husin
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%.
STUDI RELEVANSI KURIKULUM KOMPETENSI KEAHLIAN TEKNIK KENDARAAN RINGAN DI SMKN 5 SURAKARTA DENGAN KEBUTUHAN DUNIA INDUSTRI SAAT SISWA MELAKSANAKAN PRAKERIN Akbar, Farhandika; Harjanto, Budi; Rohman, Ngatou
Nozel : Jurnal Pendididikan Teknik Mesin Vol 2, No 3 (2020)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v2i2.43243

Abstract

The purpose of this study was to find out: (1) Competency of expertise discussed in Light Vehicle Engineering Expertise Competence of SMKN 5 Surakarta; (2) Competency of expertise obtained by students of Light Vehicle Engineering Skills Competency of SMKN 5 Surakarta prior to the implementation of internship; (3) Competency of expertise needed by the industrial world from students when implementing internship; (4) Relevance of the Curriculum for Light Vehicle Engineering Competence of SMKN 5 Surakarta with the needs of the relevant industrial world from the implementation of internship. This type of research is a qualitative descriptive study. Sources of information in research are productive teachers and workshop or industry heads with information obtained by interviews and analysis of archives. The research process was carried out in two glasses, namely: first, observing the Competency of Light Vehicle Engineering Skills (KKTKR) of SMK 5 Surakarta to study the curriculum needed, comparing the competencies needed before students use apprenticeship. This competency is then recorded and arranged in the form of a simple questionnaire. The second stage is to bring a list of competencies taken before student internship to the industry to see its relevance to the needs of the industrial world. The results of this study indicate that the competencies discussed in the learning skills at KKTKR SMK 5 Surakarta provide the latest 13 revised curriculum in 2017. Competencies obtained from students in apprenticeship are competencies obtained from semester 1 to 3 mathematics lessons. These competencies are provided with competencies from compulsory subjects in class X, namely Image of Automotive Engineering, Basic Automotive Technology, and Automotive Basic Work. Equipped with competencies from the subjects of Light Vehicle Engine Maintenance, Chassis Maintenance and Transfer of Light Vehicle Power, and Light Vehicle Electrical Maintenance approved in semester XI 3. Competencies needed by the industry to be communicated to student apprenticeships related to automotive basics, such as tools -Technical tools such as hand tools and measuring instruments, general vehicle knowledge, security in workshop work. The industry also emphasizes the work relations of students who are good as supporters of implementing internship. The results of the study can be seen from two sides. Formally, the relevance level is more than 90%. While the implementation, there are findings where the level of understanding of students is still lacking including the basic automotive competencies that should have mastered
KURIKULUM SMK DALAM MENGHADAPI ERA DISRUPSI TENAGA KERJA SERTA TANTANGAN DUNIA USAHA DAN DUNIA INDUSTRI Jaya, Daniel Jesayanto; Saputra, Taufik Wisnu; Sudira, Putu; Raharjo, Nuryadin Eko
Nozel : Jurnal Pendididikan Teknik Mesin Vol 7, No 2 (2025)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v7i2.95237

Abstract

Tingginya Tingkat Pengangguran Terbuka (TPT) lulusan Sekolah Menengah Kejuruan (SMK) menyatakan secara langsung bahwa lulusan SMK saat ini masih belum kompeten. Ketidakkompetenan ini merujuk pada kurikulum yang masih kurang berhasil dalam menghasilkan tenaga kerja terampil yang dibutuhkan oleh Dunia Usaha dan Dunia Industri (DUDI). Era disrupsi tenaga kerja juga menjadi tantangan bagi SMK di samping masalah-masalah lainnya dan berkaitan erat dengan Revolusi Industri 4.0. Menghadapi tantangan ini SMK harus menyusun kurikulum yang tepat di era disrupsi tenaga kerja dunia usaha dan dunia industri. Kurikulum yang tepat sesuai dengan kebutuhan saat ini akan membantu lulusan SMK diterima bekerja di Dunia Usaha dan Dunia Industri.

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