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All Journal Teknika Otopro International Journal Of Science, Technology & Management (IJSTM) Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS)
I Wayan Susila
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Pembuatan Biodiesel Dari Biji Karet I Wayan Susila,
Teknika Vol 9, No 1 (2008)
Publisher : Teknika

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Abstract

Biodiesel from rubber seed oil (Hevea Brasiliensis) can be produced through double-stage transesterification processes, and the objectives of this research are to know the effect of reactant amount and reaction time on producing biodiesel from rubber seed oil. The method of this research is started by preparation process and oil extraction. The next step is degummed rubber seed oil. Continued with esterification with acid catalyst (H2SO4) 0.5% weight from rubber seed oil used, reactants are rubber seed oil and methanol with molar ratio 1:5, 1:6, 1:7 dan 1:9 at 50°C for 150 minutes with blending at hot strirrer scale 7. The processes are continued with transesterification process with base catalyst (NaOH) 0.5% weight from rubber seed oil used, reactants are rubber seed oil and methanol with molar ratio 1:9 at 50°C for 20, 30, 40 and 50 minutes with blending at hot strirrer scale 7. The last steps of these processes are yield and quality of biodiesel analysis. The result of this research shows that the maximum biodiesel yield of  94.871% can be obtained at molar ratio esterification process 1:6 and reaction time of transesterification process 40 minutes; density, kinematic viscosity, flash point and calculated cetane index are 0.877 g/cm3, 4.552 cSt, 103oC and 43.756 resvectively.
Pengaruh Penambahan Octane Booster Terhadap Kualitas Biodiesel Dari Biji Karet I Wayan Susila,
Teknika Vol 10, No 1 (2009)
Publisher : Teknika

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Abstract

Kebutuhan bahan bakar minyak secara nasional setiap tahun meningkat terus seirama dengan semakin bertambahnya jumlah penduduk. sementara itu cadangan minyak bumi semakin menipis. Persoalan utama yang sering dihadapi dalam produksi biodiesel dari minyak nabati adalah tingginya viskositas maupun densitasnya sehingga dapat menurunkan kinerja mesin. Oleh karena itu biodiesel perlu dicampur dengan solar pada tingkat perbandingan tertentu Tujuan penelitian ini adalah untuk menghasilkan kwalitas campuran antara biodiesel dari biji karet dan solar (B-10 dan B-20) dan kemudian masing-masing dicampur dengan octane booster 1,0%; 1,25%; dan  1,5%v agar kwalitasnya memenuhi standar Pertamina. Biodiesel diproduksi melalui metode katalis dengan sistem pencucian “wet wash system” menggunakan air. Hasil penelitian ini menunjukkan bahwa penambahan octane booster 1% menghasilkan kwalitas bahan bakar terbaik karena nilai kalor tertinggi, sedangkan viskositasnya paling kecil, sedikit di atas standar Pertamina. The national need of fuels was increase every year according to the increase of population, while the crude oil resources were decrease. The main problem on biodiesel production from vegetable oil was high of viscosity and density which can to decrease of engine performance. Therefore, it was necessary be mixed with solar at proportional stages. The objective of this research was obtain the quality of mixture between biodiesel from rubber seed and solar (B-10 and B-20) and then was mixed with octane booster 1.0%, 1.25% and 1.5%v respectively so that it qualities according to Pertamina standard. Biodiesel was product via catalytic method with “wet wash system” use the water. This result shown that addition octane booster 1.0%v in B-10 has the best quality because it has highest heating value and viscosity was lowest, a little above of Pertamina Standard.
RANCANG BANGUN MESIN PEMOTONG SERBA GUNA HEMAT ENERGI PENUNJANG PRODUKTIFITAS UKM KERUPUK Akhmad Hafizh Ainur Rasyid; I Wayan Susila; Dewanto Dewanto; Dany Iman Santoso
Otopro Vol 18 No 1 Nov 2022
Publisher : Jurusan Teknik Mesin Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v18n1.p7-12

Abstract

Puli crackers are an SME business in Indonesia which has a fairly good protein composition and is usually used as souvenirs of Madura. The problems of most Indonesia’s SMEs are still using manual labour with makeshift equipment. and the assistant machines available in the market have a large capacity so they are not easy to use on a household scale with small electrical capacity. The development method used in the design of an energy-efficient general-purpose cutting machine is engineering design until test and evaluate prototype stage. The engine capacity is 1,065 gr/s at the 2nd or 3rd 24 V dimmer speed setting. The result of this design process is the selection of an electric motor driven machine that is adjusted to the required power with reduced direct transmission in order to be able to cut the cracker dough.
Mesin Pemotong Ring Gelas untuk Meningkatkan Produktivitas Bank Sampah Cemara Sidoarjo Ika Nurjannah; I Wayan Susila; Agung Prijo Budijono; Indra Herlamba Siregar; Handini Novita Sari
Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS) 2023: Sinergi Perguruan Tinggi dan Masyarakat Untuk Mendukung Pencapaian Empat Pilar Pembangunan Men
Publisher : Prosiding Seminar Nasional Pengabdian kepada Masyarakat (SINAPMAS)

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Abstract

Sampah plastik merupakan salah satu penyebab utama pada pencemaran lingkungan. Selain sulit untuk terurai, proses pengolahan sampah plastik menimbulkan toksit yang bersifat karsinogenik. Agar sampah plastik bisa terurai secara alami dibutuhkan waktu hingga ratusan tahun. Menurut Kementerian Lingkungan Hidup dan Kehutanan, Kabupaten Sidoarjo merupakan daerah yang memiliki timbunan sampah tahunan paling banyak di Jawa Timur, yakni sebesar 406,85 ribu ton per tahun 2021. Proses penanganan dan kepedulian sampah dengan konsep 3R telah dilakukan oleh komunitas peduli lingkungan Bank Sampah Cemara RW I Punggul Gedangan Sidoarjo. Permasalahan yang dihadapi komunitas ini adalah proses pemotongan ring gelas membutuhkan waktu lama karena dilakukan secara manual menggunakan pisau atau gunting. Solusi yang dilakukan tim PKM dalam meningkatkan kualitas dan kuantitas dari hasil pengumpulan sampah plastik berupa gelas air mineral pada komunitas ini dengan pemberian mesin pemotong ring gelas dan pelaksanaan PKM menggunakan metode PALS (Participatory Action Learning system) yang melibatkan partisipan mitra dalam proses kegiatan. Penggunaan mesin pemotong ring gelas diketahui meningkatkan kualitas pemotongan yang lebih bersih dan rapi, serta terjadi peningkatan kuantitas hasil pemotongan sebesar 5 kali lipat.
Influence of Project-Based Learning Model To Increase Cadet Creativity In Politeknik Penerbangan Surabaya: Literatur Review Jamaludin; I Wayan Susila; Any Sutiadiningsih; Suparji; Lilik Anifah
International Journal of Science, Technology & Management Vol. 2 No. 1 (2021): January 2021
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v2i1.125

Abstract

This article is to describe the Project-Based Learning Model that is applied to enhance the cadet creativity in Politeknik Penerbangan Surabaya. Project-based Learning (PjBL) is effective Learning applied because it emphasizes contextual Learning through complex activities. The focus of Learning lies in the concepts that involve cadets in problem-solving investigations and task activities to develop creativity, provide opportunities for cadets to work autonomously to construct their own knowledge, and reach their peak, which is to produce tangible products. The purpose of this study was to find out how the role of the PBL learning model was in increasing the creativity of the cadets in Politeknik Penerbangan Surabaya. This research is a descriptive study by collecting data through literature studies. Usage of the application of a good PjBL learning model will increase the creativity of cadets in working on projects that have been planned. The results of literature studies from various relevant journals obtained data that the PjBL learning model is effective in enhancing creativity.
Literature Study On The Effect Of On The Job Training On Work Readiness Bambang Junipitoyo; I Wayan Susila; Any Sutiadiningsih
International Journal of Science, Technology & Management Vol. 2 No. 1 (2021): January 2021
Publisher : Publisher Cv. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46729/ijstm.v2i1.150

Abstract

Experience on the job training will help students improve the competence of graduates to align with what is needed. In addition to developing competencies, learning through experience on the job training will stimulate the development of character and also a work ethic of discipline, responsibility, honesty, cooperation, leadership, and others according to what is needed by the industry. The creation of competence, character and work ethic is expected that graduates will be ready to welcome the competition of the ASEAN Economic Community (AEC). This research was conducted based on a literature study of various theoretical studies regarding experiences on the job training. Where these studies are an initial description in conducting research, especially those related to the influence of experiences on the job training. Based on the results of data analysis with several similar research literature, the effect of on the job training experience on graduate work readiness is very significant and it can be concluded that there is a significant effect on the job training experience on graduate work readiness.
Co-Authors Agung Prijo Budijono Akhmad Hafizh Ainur Rasyid Any Sutiadiningsih Bambang Junipitoyo Dany Iman Santoso Handini Novita Sari Ika Nurjannah INDRA HERLAMBA SIREGAR JAMALUDIN Lilik Anifah SUPARJI