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International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS)
Published by Yayasan Ghalih Pelopor Pendidikan
ISSN : 30266815     EISSN : 30265673     DOI : https://doi.org/10.53893/ijmeas.v2i1
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering
The International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) is a double-blind peer-reviewed journal. This journal provides full open access to its content on the principle that making research freely and independently available to the science community and the public supports a greater global exchange of knowledge and the further development of expertise in the field of engineering. IJMEAS is since the beginning independent from any non-scientific third-party funding. The establishment of the journal was supported between 2023 with grants from the Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation). All members of IJMEAS work on an honorary basis. The journal is hosted by Ghalih Publishing, the publishing house of the Ghalih Academic and University Library.
Arjuna Subject : Energi (semua kategori) - Energi (Lain-Lain)
Articles 3 Documents
 1 
Search results for , issue "Vol. 4 No. 1 (2026): IJMEAS - January" : 3 Documents clear
Study Quenching Process on Rubber Tapping Knives Home Production Gunawan, Indra; Effendi, Sairul; Pratama, Dioni Yoga
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 4 No. 1 (2026): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v4i1.480

Abstract

The rubber tapping knives were often produced by blacksmiths experience cracks and chips or even break on the blade, so rubber farmers have to frequently replace them with new knives. Thus, the product cannot be used for a long time and its economic value is reduced. The reason why the rubber tapping knives made by blacksmiths are easily damaged is because the plating method on the product is not carried out correctly. So that the resulting product has a relatively low level of hardness. This study aims to determine the effect of the hardening and quenching processes on the hardness of rubber tapping knives made by blacksmiths. The test data were analyzed using ANOVA with a full factorial level design, a main effect model design, and 3 replications assisted by Design-Expert software. At a temperature of 800℃ the maximum hardness value of 62.8 HRC was obtained from the quenching results using water cooling media, while the minimum hardness value of 62.2 HRC was obtained from oil cooling media. At a temperature of 850℃, the maximum hardness value of 60.4 HRC was obtained from quenching using water cooling media, and the minimum hardness value was obtained from oil cooling media of 59.1 HRC
Performance Enhancement of CPV Systems Using Hybrid PCM-Nanoparticle Cooling and Thermoelectric Generator Integration Barena, Meiwa; Syalsabila, Jihan; Rusdianasari
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 4 No. 1 (2026): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v4i1.475

Abstract

Solar photovoltaic (PV) systems are rapidly being employed as a sustainable energy option, although their efficiency remains highly reliant on operating temperature and surface conditions. High heat accumulation and dust deposits are significant factors in reducing energy conversion efficiency, resulting in lower power output and a shorter module life. To overcome these issues, this study provides an improved solar energy collection strategy that combines light concentration helped by reflectors with an integrated cooling technique based on phase change materials (PCM) and thermoelectric energy recovery. The technology is intended to minimize cell temperature while also limiting efficiency losses caused by environmental exposure and capturing excess heat energy that would otherwise be lost. The evaluation focused on temperature behaviour, electrical output enhancement, and the impact of dust under various working scenarios. The results reveal that PCM integration considerably helps to stabilise panel temperature, whereas the inclusion of a larger surface area increases heat cooling more effectively. When dust is present, performance suffers dramatically, emphasising the significance of surface cleaning and cooling measures. Overall, this integrated system produces more power than typical PV modules, making it more efficient and reliable for long-term use. This approach emphasises the possibility of hybrid passive-active cooling solutions and dust reduction to aid in the application of sustainable solar technology in real-world situations.
Comparative Study on the Performance of Three-Blade and Four-Blade Archimedes Wind Turbines at Low Wind Speeds Using Ansys Simulation Faroja, Anas; Arifin, Fatahul; RS, Carlos
International Journal of Mechanics, Energy Engineering and Applied Science (IJMEAS) Vol. 4 No. 1 (2026): IJMEAS - January
Publisher : Yayasan Ghalih Pelopor Pendidikan (Ghalih Foundation)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/ijmeas.v4i1.476

Abstract

The Archimedes wind turbine is a promising technology for renewable energy applications in low wind speed conditions, yet the optimization of the blade geometry still requires a comprehensive investigation. This study aims to analyze the effect of variations in the number of blades (three and four) and pitch angles (50°, 55°, 60°, and 65°) on the aerodynamic performance of Archimedes wind turbines using the ANSYS 2024 R1 Computational Fluid Dynamics (CFD) simulation. The research methodology applied the SST turbulence model k-ω with a constant Tip Speed Ratio (TSR) at a value of 1 to isolate the influence of geometric parameters on the coefficient of power (Cp). The simulation was carried out with a residual convergence criterion of 0.001 throughout 1000 iterations until a stable solution was reached. The results of the analysis showed that a four-blade configuration with a pitch angle of 65° resulted in an optimal Cp of 0.2027, representing an 85.6% performance improvement over the three-blade configuration of 50° (Cp = 0.1092). Velocity and pressure contour visualization revealed that the four blades demonstrated superior attachment flow, a more even distribution of pressure differential, and an organized wake structure that minimized energy dissipation. The study's conclusions identified a four-blade configuration at a pitch angle range of 60-65° as the optimal design for Archimedes wind turbine applications in low wind speed conditions, making a significant contribution to the development of renewable energy technologies for urban and tropical regions.

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