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Anugrah Budi Wicaksono
Mechanical Engineering Department, Polytechnic Caltex Riau
Engineering

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Literatur Review Potensi Kompor Tenaga Matahari Sebagai Sumber Energi Alternatif Anugrah Budi Wicaksono; Sahid Ramandhani
Aptek Vol. 18 No. 2 (2026): Jurnal Apliksai Teknologi (APTEK): Volume 18, No. 02, Juni 2026
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

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Abstract

The increase in Indonesia's population has led to a rise in demand for natural resources, resulting in a negative impact on wildlife. To maintain energy security, alternative energy sources must be explored, one of which is solar energy. One such source is harnessing solar energy using a concentrated solar power (CSP) system on solar stoves. Research has shown that solar radiation generates heat as an energy source that can be concentrated into a single point, enabling water to be boiled using a device called a parabolic mirror reflector. The heat generated can then be used to heat water. The method used in this study was a literature review. Based on the authors' research, it can be concluded that solar energy can be utilised as an alternative energy source in solar stoves, thereby reducing the use of fossil fuel energy in the form of gas, namely Liquid Petroleum Gas (LPG), which is not environmentally friendly.
Impact of Sea Pandan Leaf Fiber Volume Fraction on the Tensile Strength and Structural Morphology of Polypropylene Composites Anugrah Budi Wicaksono; Lukas Felix Wibowo; Muhammad Ammar Nur Handyka
Aptek Vol. 18 No. 1 (2025): Jurnal Apliksai Teknologi (APTEK): Volume 18, No. 01, Desember 2025
Publisher : Fakultas Teknik Universitas Pasir Pengaraian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30606/aptek.v18i1.4033

Abstract

Natural fiber-reinforced polymer composites are increasingly developed due to their relatively low cost and environmental friendliness. This study aims to analyze the tensile strength and morphology of polypropylene composites reinforced with sea pandan leaf fibers. The reinforcing material used was sea pandan leaf fiber, while the matrix consisted of polypropylene plastic. The composite fabrication process employed the compression molding method at a temperature of 250°C for one hour. The fiber volume fractions used in this study were 20%, 25%, 30%, 35%, and 40%. The tensile test results indicated that the highest tensile strength, 25.82 MPa, occurred at a 35% fiber volume fraction, while the lowest strength, 10.34 MPa, was found at a 20% fraction. SEM observations revealed the presence of voids, cracks, fiber pull-outs, and impurities on the composite surface
Co-Authors Lukas Felix Wibowo Muhammad Ammar Nur Handyka Sahid Ramandhani