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All Journal Jurnal Pendidikan Teknologi dan Kejuruan APTEKINDO Rekayasa Mesin Jurnal Inovator J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Otopro Jurnal Pendidikan Teknik Mesin Undiksha Quantum Teknika Indonesian Values and Character Education Journal International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Nusantara of Engineering (NOE) Journal of The Indonesian Society of Integrated Chemistry
I Nyoman Pasek Nugraha
Universitas Pendidikan Ganesha
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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Work Program Implications of KKN Nusantara in Developing Moderate Character Based on Indicators of Religious Moderation Dewa, I Dewa Gede Darma Permana; Dewa Gede Hendra Divayana; I Nyoman Pasek Nugraha
Indonesian Values and Character Education Journal Vol. 8 No. 1 (2025): April
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ivcej.v8i1.93712

Abstract

Exclusiveness is a challenge for Indonesia as a pluralistic nation. Based on the data, cases of intolerance have even begun to target the world of education. In response to this challenge, religious universities in Indonesia have come together to implement a collaborative program called Nationhood Community Program Service, which is well-known as Kuliah Kerja Nyata (KKN) Nusantara. However, there has been no description of the form and implications of the program in concrete terminologies. This research aims to examine in depth the essence and implications of KKN Nusantara in developing the moderate character based on the Concept of Religious Moderation. This research utilized a qualitative type, with a phenomenological approach. Through purposive sampling technique, the main data was obtained through interviews with student representatives, lecturers, and the community. The data was then corroborated with a literature study, validated using triangulation techniques, and analyzed using the Miles and Huberman approach. The results showed that the essence of KKN Nusantara is presented as an embodiment of the Tri Dharma of Higher Education and is expressed in the form of several work programs, including Independence Day Celebrations, the introduction to holy places, socialization of religious moderation, and preservation of local culture. As a conclusion, the implementation of KKN Nusantara produces positive implications in developing the moderate character of the community based on the Concept of Religious Moderation, both towards the attitude of national commitment, tolerance, non-violence, and accommodation for local culture.
Penurunan Surface Roughness Hasil Pembubutan Rata Baja ST 42 Akibat Pengaruh Variasi Sudut Potong Pahat Dan Kecepatan Spindle Mesin Bubut I Gede Wiratmaja; I Nyoman Pasek Nugraha; I Gede Ari Saputra
Jurnal INOVATOR Vol. 6 No. 1 (2023): Jurnal INOVATOR
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.331 KB) | DOI: 10.37338/inovator.v6i1.8

Abstract

The purpose of this study was to determine the ratio of surface roughness in ST 42 steel with cutting angles of , , and at speeds of 490 Rpm and 700 Rpm. This method uses an experimental method with independent variables, namely cutting angle and spindle speed and bound variables, namely surface roughness in ST 42 steel. To test the surface roughness results using the surface roughness tester tool, which obtained the average value of surface roughness at a tool cutting angle of with a speed of 490 Rpm of 2.848 μm, a cutting angle of of 2.530 μm and a cutting angle of of 2.423 μm. At a speed of 700 Rpm at a cutting angle of of 2.439 μm, a cutting angle of of 2.179 μm and a cutting angle of of 2.048 μm. From these data, it can be concluded that there is an influence on the variation of the cutting angle of the lathe tool and spindle speed on the surface roughness value of steel ST 42.Where at the spindle speed of the lathe 700 Rpm at the cutting angle of the lowest surface roughness value is obtained
The Effect of Variations Temperature in Expansion Valve on The (COP) Coefficient of Performance from An Air Conditioning Engine Prototype Mini Water Chiller Arnawa, I Komang Gede; Wiratmaja, I Gede; Nugraha, I Nyoman Pasek
International Journal of Mechanical Engineering Technologies and Applications Vol. 3 No. 1 (2022)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2022.003.01.9

Abstract

This experiment aims was to determine the effect of variations temperature in expantion valve on the (COP)Coefficient Of Performance from an air conditioning engine prototype mini water chiller, the prototype mini water chiller was designed by students in the Mechanical Engineering Education, Undiksha. The method used in this research is experimental method. The testing process was carried out at the Refrigeration Engineering Laboratory in Mechanical Engineering Education, Undiksha. In this experiment, the variation of working temperature in  expantion valve is determined from 80C, 110C, 140C, 170C and 200C. The tool used to vary the temperature in expansion valve is a thermoelectric cooler. To calculate the (COP) Coefficient Of Performance from prototype mini water chiller, it is necessary to collect data temperature at every several measurement points at T1, T2, and T4. Then from the data acquisition, data processing is carried out to calculate the (COP) Coefficient Of Performance value. After testing, it was found an effect of variations working temperature in expantion valve on the (COP) Coefficient Of Performance from prototype mini water chiller. The lower working temperature in expantion valve, the (COP) Coefficient Of Performance from an air conditioning engine will increase.
The Effect of Variations in The Distance of the Expansion Valve with The Evaporator on the Performance of the Type Cooling Machine Split AC Alfian, Handi; Wiratmaja, I Gede; Nugraha, I Nyoman Pasek
International Journal of Mechanical Engineering Technologies and Applications Vol. 3 No. 2 (2022)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2022.003.02.6

Abstract

This research was conducted with the aim of finding the effect of variations in the distance of the expansion valve with the evaporator on the performance of the type cooling machine Split AC. The method used in this research was the experimental method. The variation used in this research were the variation of the distance between the expansion valve and the evaporator by 1 meter, 2 meters, and 3 meters (standard), then the value sought in this study were the room cooling rate and COP (Coefficient of Performance). Data collection in this study was repeated 15 times. From the results of data collection and the calculation process, the room cooling rate has increased compared to the standard distance variation, which were 3 meters, where the highest room cooling rate occurs at a distance of 1 meter variation of 0.0876 Kj/s, so the smaller the expansion valve distance from the evaporator, the smaller the expansion valve distance from the evaporator. room cooling rate increases, and vice versa. And for the COP results from variations in the distance of the expansion valve with the evaporator decreased from the standard distance variation of 3 meters, where the lowest COP occurred at a distance variation of 1 meter by 33.58, so the smaller the distance of the expansion valve with the evaporator, the COP of the cooling machine decreased and vice versa.
The Development of an Egg Incubator Prototype with the Use of Heat on the Condenser Side of the Refrigerator Budiastawan, Ngurah Putu; Wiratmaja, I Gede; Nugraha, I Nyoman Pasek
International Journal of Mechanical Engineering Technologies and Applications Vol. 3 No. 2 (2022)
Publisher : Mechanical Engineering Department, Engineering Faculty, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/MECHTA.2022.003.02.8

Abstract

The development for an egg incubator prototype with the use of heat on the condenser side of the refrigerator belongs to  Research and Development (R&D) conductment with the aim of knowing the process of developing an egg incubator prototype by using heat on the condenser side of the refrigerator to find out the feasibility  level. The method in this study uses Quality Function Deployment (QFD), which is a method used in the early stages of product design and development that makes quality design of a product based on the market quality demand and order of the customer. The prototype development process undergo  several stages, including: preliminary survey to the farmer community, design, instrument validity testing, prototype making, media export testing and small group testing. Based on the calculation of the results of the validity test assessment by the instrument content expert, the content validity value of 1 which refers to the instrument validity criteria table is included in the very high validity criteria. Furthermore, based on the calculation of the validation results from the media expert test and the small group test, it gets a percentage of 100% for the media expert test and a percentage of 95.20% for the small group test and refers to the eligibility level qualification table with a scale of 5 in the very appropriate category without the need for revision, so that the  developed prototype egg incubator  are suitable for use and marketable for the industry.
ANALISIS KEKUATAN IMPACT KOMPOSIT POLYESTER BERPENGUAT SERBUK KAYU JATI DENGAN VARIASI FRAKSI VOLUME MATRIKS DAN REINFORCEMENT Ariantika, Kadek; Wiratmaja, I Gede; Nugraha, I Nyoman Pasek
Otopro Vol 19 No 2 Mei 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v19n2.p50-54

Abstract

The biggest problem facing the automotive industry today is limited natural resources and environmental protection. Therefore, it is very important to conduct and carry out research and mapping of alternative materials that can reduce the use of non-renewable materials. The aim of this research is to determine the effect of variations in the volume of teak wood powder on the impact strength of composites with a polyester polymer matrix and identify fracture patterns. This research uses an experimental design combined with one-way statistical analysis of variance to test the research hypothesis. The results showed that there were significant differences in impact strength between the variations of the three specimens tested. Specimens with variations in volume fraction of 20%:80% for teak wood powder and polyester resin have the highest impact strength, while specimens with variations in volume fraction of 30%:70% for teak wood powder and polyester resin have the lowest impact strength. Apart from that, examination of the microscopic structure of the fracture patterns shows differences in fracture patterns between specimens. Specimens with variations in volume fraction of 0% (100% polyester resin) show a brittle fracture mechanism, while specimens of 10%:90%, 20%:80%, 30%:70% for teak wood powder and polyester resin show that the fracture pattern that appears is a combination of fragility and fibular fracture which is also called a fibrous fracture.
PENGEMBANGAN PROTOTYPE JIG AND FIXTURE ATTACHMENT UNTUK MENAMBAH AXIS MESIN BUBUT Wiratmaja, IGede; ari pradnyana, suta; Nugraha, I Nyoman Pasek; Wiratmaja, I Gede
Nusantara of Engineering (NOE) Vol 6 No 2 (2023): Volume 6 No 2 Tahun 2023
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/noe.v6i2.20192

Abstract

Penelitian ini dilakukan untuk mengetahui proses pengembangan Prototype Jig and Fixture Attachment, dan mengetahui tingkat kelayakan serta kepraktisan Prototype Jig and Fixture Attachment. Metode pengembangan penelitian menggunakan Research And Development R&D. Model pengembangan yang digunakan pada penelitian ini yaitu model pengembangan 4-D (Four-D). Jenis data pada penelitian ini yaitu berupa data kuantitatif. Dari uji survey pendahuluan yang dilakukan terhadap 10 orang responden, dinyatakan bahwa perlu adanya pengembangan Prototype Jig and Fixture Attachment untuk menambah Axis mesin bubut. Pada uji ahli desain didapatkan hasil persentase 100% yang berarti pengembangan Prototype Jig and Fixture Attachment untuk menambah Axis mesin bubut digolongkan sangat layak. Selanjutnya dilakukan uji ahli manufaktur didapatkan hasil persentase 100% yang digolongkan sangat layak. Dapat disimpulkan bahwa pengembangan Prototype Jig and Fixture Attachment untuk menambah Axis mesin bubut sangat layak dan praktis untuk dikembangkan.
Co-Authors Abdi Pranata, I Gede Adisantosa, I Gede Wahyu Denata Agus Adi, I Nyoman Alfian, Handi Aprianto, Gede Aprilia, Dodik ari pradnyana, suta Ariantika, Kadek Arifudin, Andi Armika, I Putu Arnawa, I Komang Gede Arsana, Putu Baskara, Rizal Buddhi Satya Utama Budiastawan, Ngurah Putu Darma, Kadek Budi Susila Deva Supriana, Putu Dewa Gede Hendra Divayana, Dewa Gede Hendra Dewa, I Dewa Gede Darma Permana Dewangga, Sang Putu Fitrah Dewi, L.J.E. Dipa, Dewa Putu Dias Sancaya Dwipayana, Made Krisna Eka Jaya, I Gd Elisa, Edi Fajriyanto, Muhammad Noval Firdaus, Kholid Galang Kawih Gede Agus Widiantara Gede Widayana Gede Widayana Hadi Susanto Haryono, Dimastya Teguh Cipto I Gede Ari Saputra I Gede Made Aditya Tresnajaya I Gede Wiratmaja I Gusti Ngurah Sanjaya, I Gusti Ngurah I Putu Heri Yudistira Kadek Rihendra Dantes Kadir, Ach. Khalil Kayana, I Made Dwi Kayana, Made Dwi Kolo, Jaeme Martins Krisnayadi, Made Hari Luh Joni Erawati Dewi Made Agus Suardana Pinatih Mahayoga, I Kadek Alit Mohammad Zakarianto Nyoman Arya Wigraha Pradana, Putu Surya Pramesti, I Gede Yoga Prayuda, Gede Wisnu Priadi, Made Angga Putera, Ocky Primatara Putra Krisnanandha, Vidsvara Putra, A. A. Pt. Ananta Putra, Anak Agung Kade Semara Putra, I G Ngurah Kusuma Randi Wirdana, I Gede Riandika, Putu Ryan Pratama Putra, Ryan Pratama Satriadyanto, Irawan Suadnyana, Made Budi Suandika, I Komang Adi Suartama, I Putu Gede Subadra, I Nengah Suka Arimbawa, I Kadek Suryantara, Putu Agus Sutrisna, Kadek Wibawa, I Wayan Satya Widiarta, I Wayan Wijaya, Dedik Ananta Wijaya, Kadek Surya Yasa, Kadek Odi Supertama Zurweni Zurweni