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All Journal Machine : Jurnal Teknik Mesin PELS (Procedia of Engineering and Life Science)
Teguh Panuju, Achmad Yahya
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Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering

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PM2.5 Concentration Pattern in ASEAN Countries Based on Population Density: Pola Konsentrasi PM2.5 di Negara-negara ASEAN Berdasarkan Kepadatan Penduduk Teguh Panuju, Achmad Yahya; Usman, Mustofa
Procedia of Engineering and Life Science Vol. 4 (2023): Proceedings of the 6th Seminar Nasional Sains 2023
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v4i0.1385

Abstract

The concentration of PM2.5 in ambient air is one of the indicators of air quality that affects public health. This pollutant is considered hazardous due to its small size, which allows it to enter the lungs and remain suspended in the air for a considerable amount of time. Identifying the patterns of PM2.5 concentration distribution is important to recognize the influential factors in increasing PM2.5 concentrations, thus enabling better formulation of solutions. This study analyzed the patterns of PM2.5 concentrations in three ASEAN countries: Indonesia, Vietnam, and Thailand. Four randomly selected measurement locations were chosen in each country, with two locations in densely populated areas and two others in low-density areas. The sample data of PM2.5 concentrations were analyzed using nested factor analysis of variance, which allowed the relationship between the taken parameters, namely country, location, and population density classification, to be determined. The results revealed that all parameters had a significant influence on PM2.5 concentrations.
UJI KETELITIAN CETAK PRODUK LENGKUNG PRINTER 3D ANET A8 Burhanuddin, Yanuar; Candra, Made Gita Arya; Teguh Panuju, Achmad Yahya; Harun, Suryadiwansa
Machine : Jurnal Teknik Mesin Vol 9 No 1 (2023): Machine : Jurnal Teknik Mesin
Publisher : Jurusan Teknik Mesin Fakultas Sains dan Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jm.v9i1.3799

Abstract

This study aims to determine the accuracy of the Anet A8 3D Printer in printing curved products with the infill speed, print speed and layer height factors in order to obtain optimal results and determine the most influential parameters in printing curved products using the Anet A8 3D Printer. The method used in testing the accuracy of printing 3D printing products is Taguchi L9. From this study it can be concluded that the most optimal process parameters for the accuracy of the dimensions of the specimen diameter are successively for accuracy, namely layer height (0.3000 mm), infil speed (50 mm/s) and layer speed (30 mm/s) then the most optimal process parameters for the accuracy of the curved dimensions of the specimen are successively for accuracy, namely layer height (0.2000 mm), infil speed (50 mm/s). s) and layer speed (40 mm/s). The results of the ANOVA analysis show that the most contributed parameter in printing curved specimens with the diameter dimension is the layer height and the curved dimension is the infill speed.
Co-Authors Candra, Made Gita Arya Mustofa Usman Suryadiwansa Harun Yanuar Burhanuddin