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All Journal Prosiding Seminar Nasional Teknik Mesin JTIK (Jurnal Teknik Informatika Kaputama) Pasundan Food Technology Journal (PFTJ) Jurnal Mekanik Terapan Mitra Akademia: Jurnal Pengabdian Masyarakat JURNAL POLI-TEKNOLOGI Jurnal PADE: Pengabdian & Edukasi Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Teknik Terapan (J-TETA) Indonesian Journal of Physics (IJP) Jurnal Polimesin
Adhi, Pribadi Mumpuni
Magister Terapan Rekayasa Teknologi Manufaktur, Politeknik Negeri Jakarta
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Veterinary

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Analisis Sistem Rankine Organik untuk Memanfaatkan Waste Flue Gas Pembangkit Listrik Tenaga Uap Iswanto, Hari; Sukusno, Paulus; Adhi, Pribadi Mumpuni
Seminar Nasional Teknik Mesin 2019: Prosiding Seminar Nasional Teknik Mesin 2019
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Potensi energi panas dari waste flue gas pada pembangkit listrik tenaga uap dapat digunakan untuk membangkitkan energi listrik . Proses pembagkitan listrik tersebut dapat berlangsung dengan siklus rankine organik, kemampuan siklus rankine organik untuk mengkonversi energi panas bergantung pada jenis refrigerant yang digunakan. Oleh karena itu penelitian ini bertujuan untuk mencari effisiensi termal dan energi listrik yang dihasilkan oleh siklus rankine organik dengan sumber panas waste flue gas. Metode yang digunakan pada penelitian ini yaitu merancang sistem siklus rankine organik dengan 4 komponen utama yaitu evavorator, turbin, kondensor dan pompa. Kemudian dilakukan simulasi dengan software cycle tempo dan sifat fluida didapat dari software REFPROP. Adapun refrigeran yang digunakan sebagai perbandingan yaitu R-22,R-32,R-123,dan R-134a. Hasil dari penelitian ini didapat efisiensi tertinggi berturut ? turut yaitu 1,336%, 0,946%, 5,234%, dan 1,604% untuk R-22, R-32, R-123, dan R-134a. Sedangkan energi listrik yang dihasilkan mencapai 59,45 kWe untuk R-22, 42,61 kWe untuk R-32, 220,48 kWe untuk R-123, dan 70,81 kWe untuk R-134a dari energi input sebesar 4,3 Mega Watt.
Simulasi Parametrik Pengaruh Temperatur Lingkungan pada Pembangkit Listrik Tenaga Gas Praditya Firmansyah; Pribadi Mumpuni Adhi; Cecep Slamet Abadi
Jurnal Mekanik Terapan Vol 2 No 2 (2021): November 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/jmt.v2i2.4422

Abstract

Pembangkit Listrik Tenaga Gas (PLTG) merupakan pembangkit dengan keunggulan waktu pengoperasian yang singkat dengan daya pembangkitan relatif besar. Dibalik kecepatan pembangkit tersebut untuk dioperasikan terdapat kelemahan yaitu tingkat efisiensi pembangkit yang tergolong rendah atau boros dalam penggunaan bahan bakar. Pada saat proses pengoperasian pembangkit di industri sering terjadi perubahan permintaan pasokan beban, untuk memenuhi permintaan tersebut pembangkit harus siap tertutama dalam ketersediaan bahan bakar. Permasalahan yang terjadi adalah PLTG tidak bisa dibebani daya maksimal karena sumber bahan bakarnya juga digunakan untuk bahan baku proses pokok industri. Penelitian ini bertujuan untuk mencari variasi temperatur inlet PLTG dengan besar nilai heat rate dan spesific fuel consumption (SFC) pada pola operasi PLTG yang paling optimal. Selanjutnya melakukan analisis keterkaitannya dengan efisiensi bahan bakar yang bisa dihemat di objek yang diteliti. Hasilnya dengan 39,7 % pembukaan katup gas dan temperatur masuk udara sebesar 30oC dan tekanan kompresi 7 bar menghasilkan nilai paling optimum dengan nilai SFC 0,627dan heat rate 8059.663 kcal/kWh. Pembukaan katup gas lain yaitu sebesar 42,9% pembukaan katup gas dan temperature masuk udara sebesar 30oC dan tekanan kompresi 7 bar menghasilkan nilai paling baik yaitu SFC 0.654 dan heat rate 8408.248 kcal/kWh.
PENGARUH TEKNIK PEMASAKAN DAN WAKTU TERHADAP KARAKTERISTIK TINGKAT KEMATANGAN TELUR AYAM NEGERI Muhamad Faras Arhab; Alya Yunita Widyanti; Muhammad Fernanda Alvi Yasin; Nabila Banowati; Veronika Noviaty; Pribadi Mempuni Adhi
Pasundan Food Technology Journal (PFTJ) Vol 9 No 1 (2022): PASUNDAN FOOD TECHNOLOGY JOURNAL (PFTJ)
Publisher : Department of Food Technology, Universitas Pasundan, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/pftj.v9i1.5115

Abstract

Eggs are the most consumed source of protein. Everyone has a preference for their egg coocked levels. With different egg cooking techniques, it can produce different egg cooked levels characteristics as well. Therefore, this research was conducted experimentally which aims to determine the cooking technique used by considering the appropriate temperature and cooking time to achieve the desired level of cooked egg. The research data were analyzed using descriptive methods. The cooking techniques used in this study were the egg-boiling technique using the shell, the egg-boiling technique without the shell, and the egg-frying technique. The three cooking techniques used time parameters of 5, 6, 8 and 10 minutes. In the processing of each egg cooking technique, physical conditions are observed and the egg temperature is checked when it reaches that time parameter. In the cooking technique of boiling eggs without the shell and the technique of boiling eggs using the shell, it was observed that the changes in the condition of the egg white and yolk were changed in the form of physical solidification from the effect of temperature and boiling time on the eggs. The results of the third study of egg cooking techniques that were carried out showed that the eggs with the cooking technique of frying eggs reached perfection faster with an egg temperature of 149°C, at 5 to 8 minutes this showed differences in the condition of egg whites and egg yolks, namely starting from solidify and change color. Meanwhile, for eggs carried out with the cooking technique of boiling eggs with shells with a treatment of 5 to 8 minutes at a temperature of 99.3°C, they still have not reached the perfect level of cooked, the perfect level of maturity in eggs is obtained in 10 minutes.
IMPLEMENTASI PERANCANGAN PERANGKAT LUNAK UNTUK KENDALI DAN MONITORING MESIN VACUUM FORMING OTOMATIS Hasvienda M. Ridlwan; Sonki Prasetya; Pribadi Mumpuni Adhi; Muslimin Muslimin; Sugeng Mulyono
JTIK (Jurnal Teknik Informatika Kaputama) Vol 4, No 1 (2020): VOLUME 4 NOMOR 1, EDISI JANUARI 2020
Publisher : STMIK KAPUTAMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.657 KB)

Abstract

Implementation of software design for vacuum forming machines is the focus of this paper. This vacuum forming machine will be used for small and medium industries (IKM) in food in Indonesia, where the packaging process is essential. Packaging materials in the food business are polystyrene plastic (PS) and polyvinyl chloride (PVC), which are generally sold freely in specific sizes. The problem that arises in SMEs is the packaging that does not fit, both the size and shape of the product. On the other hand, small-scale packaging machines are still quite expensive in terms of cost because the machines do not originate domestically. Therefore, an IKM scale Vacuum Forming machine with economical costs is needed for the IKM business. Testing software for vacuum forming machines has been running using Labview and Arduino by utilizing serial USB communication with NI-Visa. The experimental results of the designed system have been successfully implemented to the sensors and actuators via the Arduino Uno, indicating that temperature control can stabilize the heat after 3 minutes of heating. Meanwhile, the software that has been designed has been successfully implemented on LabView can monitor and help operators to use the machine easily. Keywords: vacuum forming, food industry, automatic, LabView, pvc.
Implementation of Inverse Kinematic and Trajectory Planning on 6-DOF Robotic Arm for Straight-Flat Welding Movement Muhammad Arif Nur Huda; Sugeng Hadi Susilo; Pribadi Mumpuni Adhi
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 22 No. 1 (2022): March
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2518.069 KB) | DOI: 10.31940/logic.v22i1.51-61

Abstract

Robotic arms have been used in various processes such as for moving goods, welding, assembling, and painting. In the case of welding and painting, it is necessary to move the end-effector robot accurately and smoothly to follow the specified trajectory. In robotic arm control, 2 things are important to be analyzed and implemented in controlling the motion of the robotic arm, namely inverse kinematic and trajectory planning. In this study, the inverse kinematic and trajectory planning algorithms are implemented to the robotic arm controller in the form of an Arduino Mega 2560 microcontroller. The inverse kinematic solution uses geometric and algebraic analytical methods. while the trajectory planning method is using LSPB (Linear Segment Parabolic Blend) Trajectory in Cartesian Space. Data retrieval is done by giving 2 input coordinates of the desired position and orientation, then the data in the form of the joint angle value will be measured using a rotary encoder as an angle sensor. Furthermore, the joint angle measurement value is converted in cartesian coordinates to get the end-effector position. Data analysis is done by comparing the data value of each joint angle with the calculated value so that the error value appears. The results showed that the inverse kinematic and trajectory planning algorithms were successfully applied to the 6-DOF robotic arm to perform straight-flat welding movements. Inverse kinematic testing on both input coordinates, the average error value for joints 2, 3, and 5 is 1.82º, 1.26º, and 2.08º. Meanwhile, the average error of the end-effector position at the x and z coordinates is 2.08 mm and 12.9 mm, respectively. Then for the trajectory planning test, the error value for the end-effector position in the x and z coordinates is 2.25 mm and 10.7 mm.
Pelatihan pengoperasian mesin pengaduk hasil pengembangan PNJ untuk meningkatkan keahlian dalam memproduksi sabun cuci pakaian Hidayati, Noor; Belyamin, Belyamin; Adhi, Pribadi Mumpuni; Rahman, Haolia; Nufus, Tatun Hayatun; Pramono, Agus Edy
Jurnal PADE: Pengabdian & Edukasi Vol 6, No 1 (2024): Maret
Publisher : Politeknik Kesehatan Kemenkes Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/pade.v6i1.1619

Abstract

Untuk meningkatkan keahlian ibu-ibu PKK dalam memproduksi sabun pencuci pakaian, maka tim dosen program studi magister terapan rekayasa teknologi manufaktur, melalui program pengabdian penerapan IPTEKS berbasis Masyarakat mengadakan Pelatihan Pengoprasial Mesin Pengaduk sabun cuci pakian Hasil Pengembangan Dosen PNJ untuk Meningkatkan Keahlian Dalam Memproduksi Sabun Cuci Pakaian. Metode pelatihan dilakukan dengan memperagakan dan melakukan bersama-sama proses pembuatan sabun dengan mesin pengaduk. Hasil pelatihan direkap dalam kuisioner, berdasarkan hasil kuisioner disimpulkan terjadi kenaikan pemahaman pengetahuan dan keterampilan dari para peserta yang terdiri dari Ibu-Ibu PKK.
ANALISIS SWOT UNTUK DIRECT CO-FIRING BATUBARA DENGAN PELLET SAMPAH PADA BOILER TIPE CFBC Muhammad Fadli; Dianta Mustofa Kamal; Pribadi Mumpuni Adhi
Jurnal Poli-Teknologi Vol. 18 No. 3 (2019)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v18i3.2391

Abstract

Indonesia to be the world’s second-largest contributor of plastic waste in the oceans. Every resident in Indonesia can produce 0,52 kg/person/day of waste. Efforts to overcome the problem of waste by processing it into Pellets, which contain calories from 2,800 to 3,300 kcal/kg using the peuyeumisasi method, so that they can use for co-firing in PLTU. Trial for direct co-firing coal and RDF Pellet from Klungkung Bali, will be carry out on Circulating Fluidized Bed Combustion (CFBC) boiler. The goal of study to analyze the feasibility for co-firing with SWOT analysis. The SWOT analysis questionnaire was compiled based on internal and external factors, which was carried out through the study of literature and document. After the questionnaire was compiled, the questionnaire was given to respondents who collected 10 people, selected based on factors of relevance and understanding of the issues discussed. The results of the questionnaire show the main indicators, which are divided into 2 parts, internal factors consisting of strengths, weaknesses and external factors consisting of opportunities and threats. Then implemented in the SWOT matrix, to get the best strategy and whether the decision is feasible or not. The results is feasible to be implemented in the PLTU MSW, with internal factor value of 3,03 or rounded to 3 (strong) and an external factor value of 2,6 or rounded to 3 (strong). Several strategies are designed to use the strength to take advantage of opportunities, reduce weaknesses and threats.
PENINGKATAN PENGETAHUAN DAN KETERAMPILAN MASYARAKAT KELURAHAN JATIMULYA DENGAN PELATIHAN PEMBUATAN SABUN CUCI PAKAIAN DAN TANGAN Belyamin, Belyamin; Adhi, Pribadi Mumpuni; Rahman, Haolia; Nuriskasari, Isnanda; Hidayati, Noor
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 4 No 2 (2021): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v4i2.4185

Abstract

Pandemi Covid-19 telah menyebabkan pemerintan baik pusat maupun daerah menerapkan kebijakan Pemberlakukan Pembatasan Kegiatan Masyarakat (PPKM) untuk menekan laju penularan. Akan tetapi, penerapan PPKM berdampak kepada ekonomi masyarakat salah satunya di Kelurahan Jatimulya, Depok. Kebutuhan akan sabun cuci tangan meningkat dan di satu sisi hal ini menjadi peluang untuk mengembangkan usaha kecil dan menengah dalam memproduksi sabun cuci pakaian dan cuci tangan. Metode pengabdian kepada masyarakat ini meliputi tahap persiapan, tahap pelatihan, dan tahap evaluasi. Pada tahap persiapan dilakukan brain-storming untuk menentukan solusi dari permasalahan yang ada. Pada tahap pelatihan dilakukan pelatihan pembuatan sabun cuci pakaian dan cuci tangan menggunakan bahan-bahan kimia yang aman bagi manusia dan lingkungan. Setelah dilakukan evaluasi melalui kuesioner hasilnya masyarakat mampu untuk membuat sabun dan pengetahuan serta keterampilan mereka meningkat setelah mengikuti pelatihan.
Peningkatan Kapasitas Produksi Sabun Pakaian Untuk Meningkatkan Ekonomi Masyarakat Pasca Pandemi Covid-19 di Jatimulya, Cilodong, Kota Depok Hidayati, Noor; Bel, Belyamin; Adhi, Pribadi Mumpuni; Rahman, Haolia; Nufus, Tatun Hayatun; Nuriskasari, Isnanda
Mitra Akademia: Jurnal Pengabdian Masyarakat Vol 6 No 1 (2023): Mitra Akademia: Jurnal Pengabdian Masyarakat
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat (P3M) Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/mapnj.v6i1.5584

Abstract

The lack of soap production capacity, which currently only reaches 5-10 liters of soap per production, has prompted a team of lecturers at the Manufacturing Engineering Applied Masters Study Program (MTRTM)-PNJ to take the initiative to organize and donate a soap mixing machine. The purpose of this implementation is to increase the amount of community soap production, as well as increase community knowledge and skills regarding soapmaking processes and tools. The training was carried out by delivering material on how to use and tricks for making soap with a mixer machine, which was then continued by making soap by PKK women and ending with a survey of the training implementation. From the results of the training, it was found that soap production increased to 20 liters in one production run, as well as an increase in community knowledge and skills in the process of making soap with a mixer machine. Kurangnya kapasitas produksi sabun yang saat ini hanya mencapai 5-10 liter sabun satu kali produksi, membuat tim dosen di Program Studi Magister Terapan Rekayasa Manufaktur (MTRTM)-PNJ berinisiatif mengadakan dan menghibahkan mesin pengaduk sabun. Tujuan dari pelaksanaan ini adalah untuk meningkatkan jumlah produksi sabun masyarakat, serta meningkatkan pengetahuan dan keterampilan masyarakat terhadap proses dan alat pembuat sabun. Pelatihan dilakukan dengan penyampaian materi cara penggunaan dan trik pembuatan sabun dengan mesin pengaduk yang kemudian dilanjutkan dengan pembuatan sabun oleh para ibu ibu PKK, dan diakhiri dengan survey pelaksanaan pelatihan. Berdasarkan hasil pelatihan didapatkan peningkatan produksi sabun mencapai 20 liter dalam satu kali produksi, serta didapatkan pula peningkatan pengetahuan dan keterampilan masyarakat dalam proses pembuatan sabun dengan mesin pengaduk.
Measurement of Oxygen Concentration in Static and Flowing Liquid Pb-Bi by Using Zirconia Based Sensor Adhi, Pribadi Mumpuni; Kamal, Dianta Mustofa; Muslimin, Muslimin; Vilcu, Andrei; Kondo, Masatoshi; Takahashi, Minoru
Indonesian Journal of Physics Vol 31 No 1 (2020): Vol 31 No 1 (2020)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (632.205 KB) | DOI: 10.5614/itb.ijp.2020.31.1.1

Abstract

Liquid Lead-Bismuth Eutectic (LBE) has been proposed as one of the coolant for the Generation IV nuclear reactor. However, the oxygen should be controlled adequately to suppress the corrosion rate of the LBE. A device called oxygen sensor made of zirconia as solid electrolyte has been used to monitor the oxygen concentration online in order to control the oxygen concentration. The principle of this sensor is based on electrochemistry method where the difference oxygen activitiy between reference electrode (RE) and working electrode (in liquid LBE) can make potential difference. The potential difference is measured by electrometer and can be converted into oxygen concentration based on Nernst equation. Iron (Fe)/Magnetite (Fe3O4) was used as material for RE in this study. Measurement of oxygen concentration was conducted at 450 - 600°C for the static condition of LBE and around 390°C for the dynamic condition of flowing LBE. The oxygen concentration for both two experiment conditions were set in oxygen saturated condition of Pb-Bi. The oxygen sensor based on zirconia solid electrolyte with Fe/Fe3O4 as RE can measured the oxygen concentration in liquid LBE. The results showed that the measurement was agreed with the Nernst equation theoretical calculation.
Co-Authors Abd. Rasyid Syamsuri Ainun Nidhar, Ainun Alya Yunita Widyanti Bel, Belyamin Belyamin Belyamin Cecep Slamet Abadi Dewi, Renita Hasvienda M. Ridlwan Isnanda Nuriskasari Iswanto, Hari Iwan Susanto Kamal, Dianta Mustofa Kondo, Masatoshi Maladzi, Radhi Muhamad Faras Arhab Muhammad Arif Nur Huda Muhammad Fadli Muhammad Fernanda Alvi Yasin Muklas, Muchamad Wali Muslimin Muslimin Muslimin Muslimin Nabila Banowati Noor Hidayati Paulus Sukusno Prakoso, Muhammad Azhar Pramono, Agus Edy Rahman, Haolia Ramadhan, Mochammad Tendi Noer Silitonga, Muhammad Prasha Risfi Sonki Prasetya Sugeng Hadi Susilo Sugeng Mulyono Takahashi, Minoru Tatun Hayatun Nufus Veronika Noviaty Vilcu, Andrei