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Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LP2M) Alamat: Graha Rektorat Lantai 6, Jl. Semarang No.5, Sumbersari, Kec. Lowokwaru, Kota Malang, Jawa Timur 65145, Indonesia
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Jurnal Inovasi Teknologi dan Edukasi Teknik
Published by Universitas Negeri Malang
ISSN : -     EISSN : 27977196     DOI : 10.17977
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering
Jurnal Inovasi Teknologi dan Edukasi Teknik menerbitkan naskah terkait Teknik Sipil, Teknologi Industri, Teknik Mesin, Teknik Elektro, dan Pendidikan Kejuruan. Fokus dan lingkup jurnal meliputi Teknik Sipil, Teknologi Industri, Teknik Mesin, Teknik Elektro, dan Pendidikan Kejuruan
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 3 Documents
 1 
Search results for , issue "Vol. 4 No. 10 (2024)" : 3 Documents clear
THE IMPACT OF VARYING WEIGHT FRACTIONS ON THE PHYSICOMECHANICAL PROPERTIES OF COMPOSITES REINFORCED WITH NEWBOULDIA LAEVIS FIBER PARTICLES Chikelu, P. O.; Akpan, W. A.; Obot, O. W.
Jurnal Inovasi Teknologi dan Edukasi Teknik Vol. 4 No. 10 (2024)
Publisher : Universitas Ngeri Malang

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Abstract

The growing awareness of environmental protection has sparked interest in researching plant-based particulate materials as sustainable alternatives to synthetic materials for reinforcing polymer composites. However, there is limited literature on how to optimize the properties of these natural particle-reinforced polymer composites. In this study, we fabricated and characterized polymer composites with different weight fractions of treated Newbouldia fibre particles as reinforcements. We evaluated the behaviour of these composites in terms of water absorption, mass density, impact strength, flexural strength, and compressive strength based on varying weight fractions using standard methods. The results showed that water absorption increased while mass density decreased with higher weight fractions of fibre particles. The impact strength exhibited inconsistent behaviour, initially increasing, then decreasing, and finally increasing again as the weight fraction rose. Meanwhile, flexural strength decreased, whereas compressive strength increased with higher weight fractions. These findings were confirmed through regression analysis, indicating that the weight fraction of fiber particles significantly affects the water absorption, mass density, impact strength, flexural strength, and compressive strength of Newbouldia laevis fibre particle-reinforced polyester composites. Therefore, when designing composite materials, it is essential to vary the weight fraction to optimize the properties of the polymer composite for lightweight applications.
ECONOMIC, ENVIRONMENTAL AND SOCIAL OPTIMIZATION OF PHOTOVOLTAIC IMPLEMENTATION IN COFFEE SHOP BUSINESSES, MALANG CITY Oktiviania, Febby Ayu; Aripriharta, Aripriharta
Jurnal Inovasi Teknologi dan Edukasi Teknik Vol. 4 No. 10 (2024)
Publisher : Universitas Ngeri Malang

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Abstract

This research aims to optimize a hybrid photovoltaic (PV) energy system for a coffee shop business in Malang City by incorporating economic, environmental, and social dimensions. The optimization process employs the Queen Honeybee Migration (QHBM) algorithm, a multi-objective heuristic approach. Key performance indicators include Cost of Energy (COE), Carbon Emissions, Renewable Fraction (RF), and Community Acceptance, which is evaluated using the Technology Acceptance Model (TAM) through a structured questionnaire. The system is designed to meet a daily energy demand of 28.8 kWh, under an average solar irradiation of 3.86 kWh/m²/day. Simulation and optimization were conducted using Python-based programming. The results demonstrate that the optimal configuration consists of 20 solar panels (550 Wp) and 10 battery units (200 Ah), achieving a COE of IDR 320.04/kWh and an RF of 99.87%. Compared to conventional grid electricity, the proposed system offers significant cost savings and emission reductions. Furthermore, the TAM-based survey yielded an average acceptance score of 3.72, indicating a favorable public perception of hybrid PV system adoption in small business contexts.
TECHNO- ECONOMIC ANALYSIS OF SOLAR POWER PLANT SYSTEMS TO REALIZE SUSTAINABLE DEVELOPMENT GOALS (SDGS) Aripriharta, Aripriharta; Sari, Lia Yunita; Faiz, Mohamad Rodhi; Affandi, Arif Nur; Susilo, Suhiro Wongso; Rosmin, Norzanah Binti; Omar, Saodah
Jurnal Inovasi Teknologi dan Edukasi Teknik Vol. 4 No. 10 (2024)
Publisher : Universitas Ngeri Malang

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Abstract

Energy issues related to global warming, the environment, and energy flows are socio-economic challenges in the demand for electrical energy. The demand for electrical energy will increase by around 11-12% in 2025 and 6-7% by 2050 with the Indonesian State Electricity Company being the primary supplier of electrical energy which is mostly sourced from fossil fuels. Applying renewable energy is a solution to reducing dependence on fossil fuels. This study analyzes the technical and economic feasibility of a 46 kWp Solar Power Plant in Beloh village by utilizing PVsyst software. This hybrid system uses 184 solar panels with a capacity of 250 Wp, 2 units of 20 kW inverters, and 224 units of 100 Ah batteries. The results showed that the system output power is 189.25 kWh per day or 69077 kWh/year which will supply the load of 40 houses of 166.82 kWh/ day. In realizing the SDGs, solar power plants can apply SDG 7 with a Performance Ratio (PR) value of 75.7%, SDG 9 regarding industry, innovation, and infrastructure, SDG 11 related to sustainable cities and human settlements. This solar power plant is very environmentally friendly and can reduce carbon dioxide emissions by 1118 tons/25 years. This designed solar power plant system is accompanied by an economic analysis of Net Present Value (NPV) amounting to IDR 404,631,838. Payback Period in the 9th year, Break Even Point (BEP) achieved in the 8th year, and Return on Investment (ROI) of215%.

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