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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Teknosains R.E.M (Rekyasa Energi Manufaktur) Jurnal Rekayasa Teknologi Jurnal SOLMA Prosiding Seminar Nasional Teknoka Dinamisia: Jurnal Pengabdian Kepada Masyarakat Martabe : Jurnal Pengabdian Kepada Masyarakat Ensiklopedia of Journal JURNAL KAJIAN TEKNIK MESIN Bantenese Jurnal Pengabdian Masyarakat Jurnal Teknologi Bahan dan Barang Teknik Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Pengabdian Masyarakat Asia Jurnal Mesin Nusantara Sawala : Jurnal pengabdian Masyarakat Pembangunan Sosial, Desa dan Masyarakat Devotion: Journal of Research and Community Service Khidmatuna : Jurnal Pengabdian Kepada Masyarakat PELS (Procedia of Engineering and Life Science) Al Himam: Jurnal Ilmu Ilmu Pendidikan & Bahasa Arab Metalik: Jurnal Manufaktur, Energi, Material Teknik
Rifky, Rifky
Universitas Muhammadiyah Prof. DR. HAMKA
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Analisis Pengaruh Intensitas Cahaya Matahari dan Jenis Generator terhadap Kinerja Sistem Panel Surya-Generator Hidrogen 50 Wp Saddam Firly Mustarisiam; Rifky; Tasyrik Al Qaida; Dicky Wyldan Putra Permana; Rezha Apriansyah
Prosiding Seminar Nasional Teknoka Vol 10 (2025): Proceeding of TEKNOKA National Seminar - 10
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/teknoka.v10i1.22714

Abstract

Hydrogen gas can be produced from wet hydrogen generators (GHB) and dry hydrogen generators (GHK). Both hydrogen generators are powered by a 50 Wp solar panel (PV). The aim of this research is to study the performance comparison of GHB and GHK in producing hydrogen gas flow rate and system efficiency to determine the more optimal system. The research began with a literature study and designing both generators, which underwent trials to obtain a research equipment system that adheres to the theory and concepts of GHB and GHK. Experimental methods were carried out by direct measurements of input and output variables from the solar panel as well as output variables from the GHB and GHK electrolysis systems. The research results show that the integrated PV-GHB system produces a larger hydrogen gas flow rate and higher system performance efficiency compared to PV-GHK.
Review Pengaruh Jenis Material Atap terhadap Efisiensi Pemanenan Energi dengan Piezoelektrik sebagai Konverter Energi Mekanik menjadi Energi Listrik Muhammad Fahmi Nurhidayat; Rifky; Kurnia Sandi Oktaris; Pandu Kusuma Pangestu; Reyhan Martin Firnanda; M. Ravi Cahya Firdaus
Prosiding Seminar Nasional Teknoka Vol 10 (2025): Proceeding of TEKNOKA National Seminar - 10
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/teknoka.v10i1.22718

Abstract

Raindrops hitting the roof material and the falling rainwater exerting pressure on the roof can be utilized as a power source with piezoelectrics as a converter of mechanical energy into electrical energy. The purpose of this research is to find the right roof material to produce maximum electrical power and efficiency in harvesting the energy of falling rainwater. This research method is carried out by comparing three types of roof materials placed on top of the piezoelectric. The falling rainwater will press the roof material and piezoelectric, thus producing electricity in the form of voltage and current measured with a multitester. The measurement data is processed into electrical power and efficiency. The results of the study found that the type of roof material affects the performance of the piezoelectric as an energy converter.
Analysis of Vibration Characteristics in 17-Inch Aluminum Alloy Wheel Rims Using Finite Element Method Victor Indra Wijaya; Riyan Ariyansah; Delvis Agusman; Rifky; Oktarina Heriyani
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 6 Nomor 2 Tahun 2024
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v6i2.6620

Abstract

The wheel rim serves as a component designed to provide stability and necessary support for vehicle tires. The phenomenon of resonance occurring when the external vibration frequency approaches the natural frequency of the structure has the potential to increase vibration amplitude, which can lead to wheel rim damage. This study aims to investigate the shape patterns and natural frequencies of 17-inch aluminum alloy wheel rims, as well as to analyze the maximum total deformation that occurs. The finite element method is employed to simulate the vibration characteristic of 17-inch aluminum alloy wheel rims under various natural frequencies. Modifications to the wheel rim design are made by altering the spoke angle in variations of 5°, 10°, and 15°. The vibration characteristic data of the wheel rim was obtained through simulation using ANSYS software. The research findings indicate that the natural frequencies range from approximately 364.7 Hz to 723.21 Hz. Furthermore, the maximum total deformation values range from approximately 9.7 mm to 22.5 mm.
Studi Eksperimentasi Posisi Pendingin Termoelektrik pada Kotak Pendingin terhadap Kinerja Sistem Pendingin bertenaga Panel Surya Rifky; Eki Hadi Setiawan; Delvis Agusman; Mohammad Mujirudin; Arry Avorizano
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 4 No. 2 (2025): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v4i2.21140

Abstract

Solar cells are a powerful technology to convert solar energy into electrical energy directly, while thermoelectrics can convert electrical energy (potential difference) into heat energy (temperature difference). The combined solar cell and thermoelectric system is used as an air conditioner. The research was conducted by making a cooling system in the form of a cooling box with a cooling source on the roof side and wall side. The cooling source in this study is a thermoelectric cooling system consisting of a series of thermoelectric modules. The purpose of this study is to find that the position of the TEC affects the cooling results in the cooling box and determine the lowest temperature and performance of the cooling system in the cooling box. The method used is an experimental method with the model is a cooler box with cooler box dimensions: 520mm x 370mm x 440mm. Solar cells as electrical energy suppliers are placed in the presence of sunlight throughout the day and the output power from solar cells is distributed to the thermoelectric cooling system in series. so that thermal energy changes take place on its sides. The cold side of the thermoelectric will absorb heat from inside the cooling box, while the hot side of the thermoelectric will release heat to the environment outside the cooling box. The results showed that the positioning of the thermoelectric cooler on the roof side and the wall side of the cooler box affected the heat transfer and temperature achievement in the center of the cooler box. The average center room temperature achieved by the cooler on the roof side is 23.70 ℃ and 24.75 ℃ on the wall side. While the coefficient of performance of the cooling system in the cooler box with thermoelectric cooler on the roof side amounted to 2.17 and in the thermoelectric cooler on the wall side amounted to 1.8.
Performance Comparison of Inorganic Phase Change Materials of Sodium Chloride and Magnesium Sulfate (MgSO4) Solutions in a Solar-Powered Thermoelectric Cooling Box Rifky; Acep Saputra; Dimas Priyuko Tri Asmoro
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 5 No. 1 (2026): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v5i1.24561

Abstract

Penggunaan perangkat pendingin konvensional berbasis refrigeran sintetis memberikan kontribusi negatif terhadap penipisan lapisan ozon dan pemanasan global. Penelitian ini menyajikan sebuah studi komparatif mengenai integrasi dua jenis Phase Change Material (PCM) yang berbeda, yaitu larutan NaCl dan larutan MgSO4, guna meningkatkan performa kotak pendingin termoelektrik (TEC) yang disuplai oleh energi surya.Metode: Sistem pengujian menggunakan modul surya fotovoltaik, dua buah modul termoelektrik (Peltier), heatsink, serta kipas sirkulasi.. Hasil: Hasil eksperimen menunjukkan bahwa karakteristik konsentrasi masing-masing larutan PCM sangat memengaruhi penurunan titik beku dan peningkatan konduktivitas termal. Pada pengujian PCM larutan NaCl, variasi konsentrasi 5% NaCl menghasilkan temperatur ruang minimum sebesar 15,5 °C dengan Coefficient of Performance (CoP) mencapai 0,031. Sementara itu, pada pengujian PCM larutan MgSO4, konsentrasi optimal 30% MgSO4 mampu menurunkan temperatur ruang minimum hingga mencapai 12,7 °C dan menghasilkan rata-rata CoP sebesar 0,047 dibandingkan dengan kotak tanpa PCM (CoP 0,029). Kesimpulan: MgSO₄ memberikan kontribusi lebih baik terhadap pencapaian temperatur terendah dan CoP tertinggi dibandingkan dengan NaCl
Co-Authors Aby Elsa Putra Acep Saputra Acep Saputra Ade Irza Fahrezi Adittia Fajar Agus Fikri Agus Fikri Agus Fikri Agus Fikri Agus Fikri Akhmad Rizal Dzikrillah Amirullah, Gufron Andika Prasetya Ar Rasyid, Arif Fikry Arif Widodo Ario Kilat Buono Avorizano, Arry Buono, Ario Kilat Cahyani, Regita Septia Cahyono, Fajar Nur Curatman, Aang Dan Mugisidi Delvis Agusman Delvis Agusman Delvis Agusman Dicky Wyldan Putra Permana Dimas Priyuko Tri Asmoro Dimas Priyuko Tri Asmoro Dimas Priyuko Tri Asmoro, Dimas Priyuko Tri Asmoro Efendi, M Shofriyan Eki Hadi Setiawan Faldy Irwiensyah Fauzi, Herman Febriansyah, Fikri Fikri, Agus Fikri, Agus Gusto Arif Tansah Hafizh Raihan Hamzah, Arif Igi Putra Moran Purba imam sobirin, muhammad Irfansyah, Putra Kurnia Sandi Oktaris M Yusuf D M. Imam Sobirin M. Mujirudin M. Naufal Fadrurrahman M. Rafi Cahya Firdaus M. Ravi Cahya Firdaus M. Shofriyan Efendi Miftah Almunir Mohammad Arfan Muzakkir Mohammad Mujirudin Mohammad Mujirudin Mohammad Mujirudin Mohammad Yusuf Djeli Mohammad Yusuf Djeli Muhammad Fahmi Nurhidayat Muhammad Imam Sobirin Muhammad Isya Ramdhany Muharom4, Vazri Muhidal Wasi Mustofa Mustofa Muzakkir, Mohammad Arfan Nazilul Muttaqin Nautica Nofendri, Yos Nur Rohman Nur rohman Oktabiansyah, Tobi Oktarina Heriyani Oktarina Heriyani Pancatatva Hesti Gunawan Pandu Kusuma Pangestu Perdana, Ana Wahyu Putra, Aby Elsa Regita Septia Cahyani Reyhan Martin Firnanda Reza Ferizal Akbar Rezha Apriansyah Riyan Ariyansah Saddam Firly Mustarisiam Saputra, Ferdyan Arif Mawanda Sepannur Bandri Sri Wahyuni Tasyrik Al Qaida Thoriq Muhammad Nur Zain Vazri Muharom Victor Indra Wijaya Wahyu Kuncoro Wasi, Muhidal Wati Sukmawati Wijaya, Victor Indra Zuriman Anthony