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Pandu Kusuma Pangestu
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Engineering

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Review pada Pengaruh Sudut Kemiringan Atap terhadap Keluaran Energi Piezoelektrik pada Eksperimen Konversi Energi dari Tetesan Air Hujan menjadi Energi Listrik Pandu Kusuma Pangestu; Rifky; Muhammad Fahmi Nurhidayat; Kurnia Sandi Oktaris; Reyhan Martin Firnanda; M. Rafi Cahya Firdaus
Prosiding Seminar Nasional Teknoka Vol 10 (2025): Proceeding of TEKNOKA National Seminar - 10
Publisher : Fakultas Teknik, Universitas Muhammadiyah Prof. Dr. Hamka, Jakarta

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Abstract

This review was conducted to examine the effect of variations in roof slope angles on the amount of piezoelectric energy generated from the impact of artificial rainwater. The study utilized a miniature roof model with four different slope angles: 15°, 30°, and 45°. Piezoelectric sensors were placed on the underside of the roof surface, which was made of polycarbonate material. Rain simulation was performed using a demonstration device with a constant water discharge rate and controlled droplet size. The voltage and electric current produced at each slope variation were measured using a multimeter. Each experiment was repeated three times to ensure the validity and consistency of the results. The collected data were analyzed to determine the relationship between the roof slope angle and the electrical output by presenting voltage and current graphs against the slope angle and calculating the energy conversion efficiency. The results showed that variations in the roof slope angle affected the generated piezoelectric energy, and an optimum angle was identified that produced the highest voltage and current.
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.v10i1.22505

Abstract

This research discusses the design of a piezoelectric raindrop energy harvesting system integrated into a building's roof surface. The primary objective of the research is to convert the kinetic energy of raindrops into electrical energy by utilizing the piezoelectric effect, while simultaneously designing efficient material and structural configurations that are resistant to dynamic loads. The methodology used refers to the VDI 2221 systematic engineering approach, encompassing requirements identification, concept design, material selection, numerical simulation, and prototype fabrication and testing. The piezoelectric materials used are PVDF and PZT, installed under a polycarbonate roof layer with a rectifier system and energy storage capacitors. Test results show that the system is capable of generating voltage and electrical power proportional to rainfall intensity, with maximum voltage distribution occurring in the central area of the piezoelectric plate. This research demonstrates the potential of utilizing raindrop energy as a renewable energy source and supports innovation in environmentally friendly smart roof designs.
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.
Co-Authors Kurnia Sandi Oktaris M. Rafi Cahya Firdaus M. Ravi Cahya Firdaus Muhammad Fahmi Nurhidayat Reyhan Martin Firnanda Rifky, Rifky