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All Journal Jurnal Teknik Mesin Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Justek : Jurnal Sains Dan Teknologi MITRA: Jurnal Pemberdayaan Masyarakat Community Development Journal Otopro Academia Open Indonesian Journal of Cultural and Community Development JTTM: Jurnal Terapan Teknik Mesin Jurnal Mesin Nusantara Jurnal Abdimas ADPI Sains dan Teknologi PELS (Procedia of Engineering and Life Science) Procedia of Social Sciences and Humanities Innovative Technologica: Methodical Research Journal JTTT Journal Of Engineering Sciences (Improsci) IJHCS

Prantasi Harmi Tjahjanti

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Author-ID : 483818

Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Physics Public Health Social Sciences Transportation Other

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Oxy Acetylene Welding Analysis for Plastic Welding of Thermoplastic Polymer Materials Ayeik Abimanyu; Prantasi Harmi Tjahjanti
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

Plastic welding technique is a technique of gluing to workpieces, especially plastic materials. The aim of this research was to join the thermoplastic polymer material using an acetylene oxy welding. The connection method is by melting the electrodes on the workpiece so that the electrodes can fuse to the parent material. The materials used are Polyethylene (PE), Polyvinyl chloride (PVC) and Polypropylene (PP) plastic sheets with the appropriate electrodes from their respective parents. After going through the welding process, the weld results are tested using a dye penetrant. The best results from the dye penetrant are then tested for hardness

Analysis of Corrosion Breakdown Rate in Low Carbon Steel with Aluminum Coating Zyahdo Nikri Jofalo; Prantasi Harmi Tjahjanti
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

This study aims to analyze the corrosion penetration rate of low carbon steel with aluminium coating. The method used is the potentiodynamic method to determine the value of the corrosion rate. The corrosion medium used was HCl. The aluminium used is aluminium frame waste powder. The coating process is by dipping low carbon steel pipes into aluminium frame waste that had been liquefied in the Hot Dip Galvanizing (HDG) method of 700oC and immersion time of 45 seconds. The results of this study show that low carbon steel which has been coated with aluminum frame waste powder has a high corrosion rate which is proven to have a corrosion rate of 18,1808 mm/year. So that the corrosion rate is at an unacceptable level.

Analysis of Corrosion Resistant Steel Coating Using Hot Dip Galvanization Method and Polarization / Tafel Test Faris Abdullah; Prantasi Harmi Tjahjanti
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

Hot Dip Galvanization (HDG) is a method of plating steel by immersing liquid zinc. However, in this study, HDG was tried by dipping steel in a solution of cast aluminum waste, after being coated with galvanizing and graphene. Furthermore, the corrosion test is carried out using the tafel or polarization test aid. The aim of this research is to protect the corrosion attack on steel by means of HDG in a solution of cast aluminum waste, after being coated with galvanizing and graphene. The solution in the tafel test used NaCl solution. The results obtained were the least corrosion attacks on steel with a galvanic coating and graphene. Meanwhile, HDG with cast aluminum waste is not significant to protect corrosion on steel.

Analysis of Tube Design for Clean Water from Stainless Steel 304 and 201 Muhammad Amin Putro; Prantasi Harmi Tjahjanti
Procedia of Engineering and Life Science Vol 1 No 1 (2021): Proceedings of the 1st Seminar Nasional Sains 2021
Publisher : Universitas Muhammadiyah Sidoarjo

This study aims to design the water tube for pure water namely a set of processing tools used to place the water using Autodesk Inventor 2016 software. The data which inputted is stainless steel SS 304 and SS 201, because both of them have the Cr and Ni elements, which will be used as tubes and the top and bottom caps. The results of running data are von mises stress, displacement, and safety factor. The output data were used to obtain the most efficient material and thickness variations between 1.5mm, 2mm, and 3mm. The most suitable and efficient result shown at 3mm thick SS 304 with the maximum value of von mises stress is 14.62 MPa, a maximum displacement of 0.013mm, and a safety factor of 15.

Studi Awal Pembuatan Briket dari Campuran Sampah Botol Jenis PET dan Bahan Sintesis Dengan Perekat Lumpur Sidoarjo Rexy Eca Fernanda; Prantasi Harmi Tjahjanti; A'rasy Fahruddin; Ali Akbar; Achmad Febriyan Ikhsanudin
Justek : Jurnal Sains dan Teknologi Vol 5, No 2 (2022): November
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v5i2.9975

Abstract: Plastic garbage from PET (Polyethylene Terephthalate) bottle waste is a significant amount that, if improperly managed, would continue to grow and pollute the environment. Meanwhile, PET bottle waste that has been appropriately processed can be turned into briquettes (charcoal). This study aims to examine the manufacture of briquettes from a mixture of PET plastic bottle waste and synthetic materials in the form of patchwork and waste paper with Sidoarjo mud adhesive (Lapindo). The stages of making briquettes include carbonization at a temperature of 250oC, pulverization and sifting of carbonized charcoal into a size of 40-60 mesh. Composition of mixing charcoal with a ratio of 50:30:20 and Sidoarjo mud adhesive used as much as 8%. Briquette printing using manual press machine. The calorific value test, and proximity test were used to conduct the briquette test. The results of the briquette research resulted in a calorific value of 4717 cal/gr, moisture in sample 1,22%, ash content 15,90%, volatile matter 63,86%, fixed carbon 20,24%.Abstrak: Sampah botol PET (Polyethylene Terephthalate) merupakan sampah plastik yang sangat banyak, dan jika tidak diatasi dengan baik maka jumlah sampah plastik meningkat terus menerus dan menyebabkan pencemaran lingkungan. Sementara bila diolah dengan baik, maka sampah botol PET dapat dibuat menjadi briket (arang). Penelitian ini bertujuan untuk mengkaji pembuatan briket dari campuran sampah botol plastik jenis PET dan bahan sintesis berupa kain perca dan kertas bekas dengan perekat lumpur Sidoarjo (Lapindo). Tahap pembuatan briket meliputi karbonisasi pada temperatur 250oC, penumbukan dan pengayakan arang hasil karbonisasi hingga ukuran 40-60 mesh. Komposisi pencampuran arang dengan perbandingan 50:30:20 dan bahan perekat lumpur Sidoarjo digunakan sebanyak 8%. Pencetakan briket menggunakan mesin press manual. Pengujian briket dilakukan dengan uji nilai kalor, dan uji proksimate. Hasil penelitian briket menghasilkan nilai kalor sebesar 4717 kal/gr, kadar air 1,22%, kadar abu 15,90%, kadar zat menguap 63,86%, dan kadar karbon 20,24%.

Pengkajian Briket dari Campuran Sampah Botol Jenis PET dan Bahan Natural Dengan Perekat Kanji Achmad Febriyan Ikhsanudin; Prantasi Harmi Tjahjanti; A'rasy Fahruddin; Ali Akbar; Rexy Eca Fernanda
Justek : Jurnal Sains dan Teknologi Vol 5, No 2 (2022): November
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/justek.v5i2.9971

Abstract: One of the most abundant and negative impacts on the environment is plastic waste. PET (Polyethylene Terephthalate) bottle waste is the largest plastic waste, and has not been processed optimally. The purpose of this research was to examine the manufacture of briquettes from PET plastic bottle waste mixed with natural materials, such as coconut shells and wood sawdust with starch adhesive. This research uses an experimental method that begins with the carbonization process of the material. Then the briquette molding process with the composition of each material is 50% PET bottle waste, 30% coconut shell, 20% sawdust, and 20% starch adhesive used. The briquette test is carried out by using the calorific value test and the proximate test. The results of this research indicate that the briquettes produce a calorific value of 5608 cal/gr, water content is 5.18%, ash content is 3.55%, volatile matter content is 63.96%, and carbon content is 32.49%.Abstrak: Salah satu limbah yang paling banyak dan berdampak buruk terhadap lingkungan adalah sampah plastik. Sampah botol jenis PET (Polyethylene Terephthalate) merupakan sampah plastik dengan jumlah terbanyak, dan belum diolah secara optimum. Tujuan penelitian ini adalah mengkaji pembuatan briket dari sampah botol plastik jenis PET dicampur dengan bahan-bahan natural,seperti tempurung kelapa dan serbuk gergaji kayu dengan perekat kanji. Penelitian ini menggunakan metode eksperimen yang diawali dengan proses karbonisasi bahan. Kemudian proses pencetakan briket dengan komposisi masing-masing bahan adalah 50% sampah botol PET, 30% tempurung kelapa, 20% serbuk gergaji, dan perekat kanji yang digunakan sebanyak 20%. Pengujian briket dilakukan dengan uji nilai kalor dan uji proksimate. Hasil dari penelitian ini menunjukkan bahwa briket menghasilkan nilai kalor sebesar 5608 kal/gr, kadar air 5,18%, kadar abu 3,55%, kadar zat menguap 63,96%, dan kadar karbon 32,49%.

Teknologi Tepat Guna Sederhana Pengelolaan Air Jernih di Desa Wisata Sumbergedang Pasuruan Prantasi Harmi Tjahjanti; Iswanto Iswanto; A'rasy Fahruddin; Rico Ryan Ernanda
Jurnal Abdimas ADPI Sains dan Teknologi Vol. 2 No. 1 (2021): Jurnal Abdimas ADPI Sains dan Teknologi
Publisher : Asosiasi Dosen Pengabdian kepada Masyarakat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47841/saintek.v2i1.40

During the Covid-19 pandemic, the tourist village of Sumbergedang, Pandaan Pasuruan, experienced a drastic decrease in visitors, which greatly reduced their income. Meanwhile, in the village, water from the mountains is very abundant. Purpose and solution offered is to manage clear water in the village using Simple Appropriate Technology, namely making a tubing tube to fill the clear water which will later be processed into clean water. The clean water produced is ready to drink, and this will be a separate effort to increase the income of residents in thetourist village of Sumbergedang during the Covid-19 pandemic.

Upaya Pemberdayaan Wirausaha Disabilitas Fisik Prantasi Harmi Tjahjanti; Rizki Ardi Arrahman; Abdi Chandra Putra
Jurnal Abdimas ADPI Sains dan Teknologi Vol. 2 No. 4 (2021): Jurnal Abdimas ADPI Sains dan Teknologi
Publisher : Asosiasi Dosen Pengabdian kepada Masyarakat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47841/saintek.v2i4.169

Community Service (Abdimas) this paper presents empowerment efforts for physical disabilities in the independent age category where they have their own entrepreneurs. There are 15 people who live in Surabaya and Sidoarjo, with the same problem, namely to improve their entrepreneurship. The first is the empowerment effort by providing a business capital loan of one million rupiah which will be returned five times. The form of the loan does not use interest, so it is not usurious, the second is taking care of the legality of their entrepreneurship, namely the Business Identification Number (NIB) for free, so that their entrepreneur is licensed/legally, and the third is giving donations in the form of basic necessities. All of this assistance is evaluated for three months to see the results. The results obtained from capital loans provide continuity of their entrepreneurship, although not high, the value of income from their business has increased by up to 15%. Meanwhile, the NIB they received was a 'weapon' as a license to do business. Meanwhile, basic food assistance can help their lives with the current condition of rising prices.

Desain Mesin Penyegel Tutup Gelas Plastik untuk Minum Secara Semi Otomatis Henry Vian Ivanda; Prantasi Harmi Tjahjanti; Iswanto Iswanto; Wiwik Sumarmi; Fuad Hamzah
Jurnal Abdimas ADPI Sains dan Teknologi Vol. 3 No. 3 (2022): Jurnal Abdimas ADPI Sains dan Teknologi
Publisher : Asosiasi Dosen Pengabdian kepada Masyarakat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47841/saintek.v3i3.199

The Cup Sealer machine, also known as a plastic cup sealing machine, is a device that seals plastic cups, preventing the contents from pouring into the glass. It also serves to keep liquids and things contained within them sanitary. This machine is frequently encountered operating on human power (manual). This study is a continuation of Community Service activities in the village of Sumbergedang Pasuruan. This machine design will be implemented in the village because the village has abundant clear/clear water that comes from Mount Penanggungan which has been processed into ready-to-drink water. The goal of this study is to create a plastic cup packaging machine that uses water from Mount Penanggungan in the village of Sumbergedang, Pasuruan, and then to improve the machine. The design uses SolidWork software with the input data being the cup sealer machine body component, the motor component for the sealing process, the cutter press component (plastic cutter when sealed), the ring component for the glass cup, and various extra components are used in the design. The results of the computation show that the design fits the requirements for moving forward with the production process.

Analysis of High Temperature Corrosion Attack on A36 Steel Galvanized Coating Moch Arif Hidayatulloh; Prantasi Harmi Tjahjanti
Procedia of Engineering and Life Science Vol 2 No 2 (2022): Proceedings of the 4th Seminar Nasional Sains 2022
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v2i2.1230

One type of low carbon steel is A36 steel which is generally widely used in building and bridge construction. The weakness of the A36 is that it is susceptible to corrosion. The purpose of this thesis research is to provide a galvanic coating type ER-809 (Zinc Rich Cold) on the surface of A36 steel. The time of immersion or immersion in the galvanized solution varied for 30 seconds, 60 seconds and 1.5 minutes. Then the dry koroi test was carried out, which was heated to a temperature of 850 degrees Celsius with a holding time of 2 hours, 4 hours, and 6 hours. Furthermore, to find out the Corrosion Attack Rate (Corrotion Petration Rate / CPR) using the Weight Loss Method.

Co-Authors A'rasy Fahruddin Abdi Chandra Putra Achmad Febriyan Ikhsanudin Adi Prastyo Utomo Agus Hermawanto Ajitiyo Dananjoyo Al Amien, Mochammad Sandi Alfiansyah Satrio Wicaksono Ali Akbar Ali Akbar Anom Isti , As’ad Arasy Fahruddin Arif Nurudin Artha Gumelar, Buyung Arwiyono, Wiky Anjaya Ayeik Abimanyu A’rasy Fahruddin Bachtiar, Rifky Umar Bagas Ariya Dipangga Bahri, Saiful Catur Ahadi, Yeyen Chilmi, Muchammad Darminto Darminto Edi Widodo Edi Widodo, Edi Efendi, Moch Miqdar Eko Panunggal Eko Wahyono Setyawan Ernanda, Rico Ryan Eryandrie Wicaksono, Majdi Fahruddin, A'rasy Fahruddin, A’rasy Fajar Syahril Kirom Faris Abdullah Febriyan Ikhsanudin, Achmad Fernanda, Rexy Eca Fuad Hamzah Hamzah, Fuad Hardy Sujiatanti, Septia Haris Suprastiyo Henry Vian Ivanda Ikhsanudin, Achmad Febriyan Iqbal Hadliri iswanto Iswanto -, Iswanto Iswanto . Iswanto Iswanto Iswanto Iswanto Ivanda, Henry Vian Izza Anshory M. Ganu Hersandi Moch Arif Hidayatulloh Mohammad Afif Fajar Mohammad Dani Iswanto Muhammad Amin Putro MULYADI Mulyadi . Mulyadi Mulyadi Mulyadi Mulyadi Mustakim, Annas Mustofa, Wahyu Ali Nurmughni Zulham Amri Prasetiyo, Abdul Aziz Prastio, Anggit Rachmadani, Dhaniar Gumelang Rachmat Firdaus Rahmananto, Satrio Fajar Rexy Eca Fernanda Ribangun Bamban Jakaria Rico Ryan Ernanda Rizki Ardi Arrahman Rudyansyah Christie, Rakhmad Rudyansyah Kristiadi, Rakhmad Ryan Ernanda, Rico Sarifudin, Mohamad Satrio Wicaksono, Alfiansyah Septian Firmansyah Setyawan, Anton Taufik Afandi Tri Cahyono Waluyo, Satrio Wibowo Harso Nugroho Wijaya Kelana Nur Soleh Wijaya Kelana Nur Soleh Wiwik Sumarmi Zyahdo Nikri Jofalo

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